Testo 6383 Operating Manual

testo 6383 Ethernet · differential pressure transmitter

testo 6610 · Probes
P2A software · Parameterizing, adjusting and analyzing

software

Instruction manual Volume 1

2

1 Safety and the environment

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1 Safety and the environment

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Avoiding electrical hazards

> Never use the instrument and connected probes to measure on

or near live parts!

> Damaged mains cables must only be replaced by authorized

personnel.

> Only have the transmitter wired and connected by authorized

personnel with the voltage disconnected.

> You must always comply with the regulations applicable in your

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country for opening and repairing electrical equipment.

Avoiding personal injury and damage to equipment

> Installation, setting and calibration work must only be carried

out by qualified and authorized personnel!

> Only open the instrument when this is expressly described in

the instruction manual for installation, maintenance or repair
purposes.

> Observe the permissible storage, transport and operating

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temperature.

> Do not store the product together with solvents. Do not use any

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desiccants.

> Do not use the instrument for control purposes at the same time

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as operating or servicing the transmitter.

> Only operate the product properly, for its intended purpose and

within the parameters specified in the technical data. Do not

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use any force.

> Carry out only the maintenance and repair work on this

instrument that is described in the documentation. Follow the
prescribed steps exactly. Use only original spare parts from

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Testo.

Any additional work must only be carried out by authorized
personnel. Otherwise testo will not accept any responsibility for the
proper functioning of the instrument after repair and for the validity
of certifications.

3

2 About this document

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Protecting the environment

> At the end of its useful life, send the product to the separate

collection for electric and electronic devices (observe local

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2 About this document

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regulations) or return the product to Testo for disposal.

Use

> Please read this documentation through carefully and

familiarize yourself with the product before putting it to use. Pay
particular attention to the safety instructions and warning advice
in order to prevent injuries and damage to the products.

> Keep this document to hand so that you can refer to it when

necessary.

> Hand this documentation on to any subsequent users of the

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product.

WARNING

CAUTION

Indicates potential serious injuries

indicates potential minor injuries

Symbols and writing standards
Representa-

Explanation

tion

Note: Basic or further information.

1. ...

2. ...

Action: more steps, the sequence must be
followed.

> ... Action: a step or an optional step.

- ... Result of an action.

Menu
[OK]

Elements of the program interface.

Buttons of the program interface.
... | ... Functions/paths within a menu.
“...” Example entries

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4

3 Contents

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3 Contents

1 Safety and the environment....................................................................3

2 About this document...............................................................................4

3 Contents...................................................................................................5

4 Transmitter...............................................................................................7

4.1. Specifications ..................................................................................7

4.1.1. Functions and use ...........................................................................................7

4.1.2. Scope of delivery .............................................................................................7

4.1.3. Accessories .....................................................................................................7

4.1.4. Technical data .................................................................................................8

4.1.5. Dimensions....................................................................................................12

4.2. Product description........................................................................13

4.2.1. At a glance.....................................................................................................13

4.2.2. Usable probes................................................................................................14

4.2.3. Display and keypad........................................................................................15

4.2.4. Service interface............................................................................................15

4.2.5. Relay board (option) ......................................................................................15

4.2.6. Analog outputs...............................................................................................16

4.2.7. Parameters....................................................................................................16

4.2.8. Scaling .........................................................................................................17

4.2.9. Alarm handling...............................................................................................19

4.3. Commissioning..............................................................................20

4.3.1. Mounting preparations ................................................................................... 20

4.3.2. Connecting the instrument.............................................................................21

4.3.2.1. Overview of terminals........................................................................22

4.3.2.2. Connecting voltage supply and analog outputs.................................23

4.3.2.3. Connecting the relay outputs............................................................24

4.3.2.4. Closing the instrument......................................................................27

4.3.3. Ethernet communication ................................................................................29

4.3.3.1. Types of operation............................................................................29

4.3.3.2. Mains connection..............................................................................29

4.3.3.3. Setting the IP address.......................................................................29

4.3.3.4. Integration into customer's Ethernet system......................................29

4.3.3.5. Adjusting the instrument....................................................................39

4.3.3.6. Overview: Adjustment keys and test contacts...................................40

4.3.3.7. 1-point adjustment (offset - humidity/temperature)............................41

4.3.3.8. Analog output adjustment.................................................................43

4.3.3.9. n-point adjustment (pressure)...........................................................44

4.3.3.10. High-humidity adjustment for testo 6614.................................... 45

4.3.3.11. Self adjustment of testo 6615 trace humidity probe....................46

4.4. Operation.......................................................................................47

4.4.1. Relationship between user menu and mini-DIN socket is active....................47

5

3 Contents

4.4.2. Password protection......................................................................................47

4.4.3. Structure of user menu..................................................................................47

4.4.4. Overview of the testo 6383 user menu ..........................................................49

4.4.5. The individual main menus............................................................................ 52

4.4.5.1. Editing main menu of channel 1........................................................52

4.4.5.2. Editing Main Menu Channel 2 (if this option is available)..................52

4.4.5.3. Editing Main Menu Channel 3 (if this option is available)..................53

4.4.5.4. Editing Main Menu Alarm..................................................................53

4.4.5.5. Editing Main Menu Settings ..............................................................55

4.4.5.6. Editing Main Menu Analysis..............................................................58

4.4.5.7. Editing Message main menu.............................................................60

4.4.5.8. Calling up Main Menu Ident..............................................................61

4.4.5.9. Editing Main Menu Adjust.................................................................61

4.4.5.10. Editing Reset main menu........................................................... 63

4.5. Status, warning and error messages ............................................64

4.5.1. Status messages...........................................................................................65

4.5.2. Warning messages........................................................................................66

4.5.3. Transmitter error messages...........................................................................67

4.5.4. Handling alarm messages .............................................................................69

4.5.5. Namur fault conditions...................................................................................71

4.6. Maintenance and cleaning............................................................72

4.6.1. Maintaining the instrument............................................................................. 72

4.6.2. Cleaning the instrument.................................................................................72

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6

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4 Transmitter

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4.1. Specifications

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4.1.1. Functions and use

The testo 6383 transmitter is suitable for the following applications
with Ethernet networking, amongst others:

• Clean rooms

• Complex room climate applications
In addition to the signal transmission of the readings to a control

unit via analog outputs, the measurement data can simultaneously
be recorded, documented and visualized via Ethernet.
Furthermore, it is possible to issue an alarm for those responsible

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for the process, if necessary.

4.1.2. Scope of delivery

The scope of delivery of the testo 6383 transmitter includes the
following:

• With KMAT version D04: Integrated humidity probe

• Sealing frame

• Instruction manual

• Calibration report

• CD-ROM with operating instructions (PDF), configuration files
for Ethernet module and P2A update (this can only be used in
conjunction with the P2A software, which has to be ordered

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separately).

4 Transmitter

4.1.3. Accessories

The following accessories are available for the testo 6383
transmitter, amongst others:

• Protection caps for probes

• Mains unit

• P2A software (parameterizing, adjusting and analyzing
software)

• Assembly accessories

7

4 Transmitter

Information about accessories and their order numbers can
be found in volume 2, Accessories and spare parts or on

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the website at www.testo.com.

4.1.4. Technical data

Parameters

• Differential pressure

• Temperature

• Humidity

Differential pressure accuracy

The specifications are only valid if the positive pressure is
applied at the positive pressure connection.

• 0.3 % of measuring range, additional 0.3 Pa intrinsic error 1

• T

K slope drift

= 0.02 % of measuring range per degree Kelvin of

deviation from nominal temperature 22 °C

• T

K zero point drift

= 0 %, as zeroing with solenoid valve2

Humidity and temperature accuracy

• Depends on probe

Humidity and temperature measuring range

• Depends on probe

1

Measuring uncertainty in accordance with GUM: ±0.5 % of measuring range

final value ±0.3 Pa.

GUM (Guide to the Expression of Uncertainty in Measurement): ISO guideline for determining the
measuring uncertainty in order to render global measurement results comparable.

The following uncertainties are used during the inquiry:

• Hysteresis

• Linearity

• Reproducibility

• Adjustment area/factory calibration

2

Minor mixtures of the media may occur at the positive and negative pressure

• Test location

side due to the automatic zeroing cycle.
8

4 Transmitter

Pressure measuring range, resolution and overload of
differential pressure

Pressure

Resolution Overload
measuring range
depending on
version ordered

0 to 50 Pa 0.1 Pa 20,000 Pa
0 to 50 Pa 0.1 Pa 20,000 Pa
0 to 100 Pa 0.1 Pa 20,000 Pa
0 to 500 Pa 0.1 Pa 20,000 Pa
0 to 10 hPa 0.01 hPa 200 hPa

-10 to 10 Pa 0.1 Pa 20,000 Pa

-50 to 50 Pa 0.1 Pa 20,000 Pa

-100 to 100 Pa 0.1 Pa 20,000 Pa

-500 to 500 Pa 0.1 Pa 20,000 Pa

-10 to 10 hPa 0.01 hPa 200 hPa

Upon delivery and following a factory reset the readings are
shown in the display in the unit that was ordered via the
KMAT option Fxx, see Ordering options for testo 6383
transmitter (0555 6383), page 146.

Humidity and temperature resolution

• 0.1 % RH or 0.01 °C/0.01 °F

Meas. cycle

• 1/sec

Interface

• Mini-DIN for P2A software (parameterizing and adjusting

software) and handheld testo 400/650

• Ethernet interface RJ45 (Ethernet 10 BatesT/100)

Voltage supply

• 4-wire (separate signal and supply lines): 20 to 30 V AC/DC,

300 mA power consumption

Maximum load

• 4-wire: 500 Ω (power output)

9

4 Transmitter

Maximal load

• 4-wire: 10 kΩ (voltage output)

Analog output

• 0 to 1 V ± 1.5 mV (4-wire) or

• 0 to 5 V ± 7.5 mV (4-wire) or

• 0 to 10 V ± 15 mV (4-wire) or

• 0 to 20 mA ± 0.03 mA (4-wire) or

• 4 to 20 mA ± 0.03 mA (4-wire)

10

Resolution of analog output

• 12 bit

Relay

• 4 relays, 250 V AC/DC, 3 A (optional)

Display

• 2-line LCD with plain text line (optional)

Operating temperature

• -5 to 50 °C/23 to 122 °F

4 Transmitter

Storage temperature

• -20 to 60 °C/-4 to +140 °F

Oper. humidity

• 0 to 90 % RH

Housing, weight

• Metal/plastic

• Version with integrated humidity probe: approx. 1.35 kg

• Version with preparation for external humidity probe: approx.

1.26 kg

Protection class, frontal

• IP 65 only if the transmitter is wired, Ethernet connector is

inserted and/or sealing plugs are inserted

Directives, standards and tests

• EC Directive: 2004/108/EC

• DIN 14644-4

• EN 61000-6-2 interference immunity

• EN 61000-6-3 interference emission

• EN 61326-1+A1+A2

Warranty

• Duration: 2 years

• Warranty conditions: see website www.testo.com/warranty

11

4 Transmitter

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4.1.5. Dimensions

12

4 Transmitter

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4.2. Product description

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4.2.1. At a glance

1 Sealing p lugs on the positive

2 Sealing p lugs on the

3 Socket for service plug
4 Display (optio nal)
5 Keys (only with optional

6 Test rods for the ana log

7 Service cover screw

8 Openings for screws for

9 Only with inte grated humidity

pressure test connection (Ø
4 mm)

negative pressure test
connection (Ø 4 mm)

display)

outputs

connection (self-locking,
2 pcs.)

fastening to the wall

probe (KMAT option D04):
Opening for the integrated
humidity probe

13

4 Transmitter

10 9-pin connector for the

current/voltage supply
11 Socket for Ethernet interface
12 Relay cover with 12-pin

connector underneath for

relay connection (option)
13 Negative pressure

connection (Ø 6,4 mm )
14 Positive pressure connection

(Ø 6,4 mm )
15 Probe socket

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4.2.2. Usable probes

Probes Article no. Characteristic

Integrated
humidity
probe

testo 6613 0555 6610-L13

testo 6614 0555 6610-L14

testo 6615 0555 6610-L15

14

The testo 6383 transmitter can be used with the following probes:

KMAT option
D04
(0636 6610)

Wall probe version; accuracy to ±1 % RH;
temperature range -20 to +70 °C/-4 to +158 °F,
plug-on sensor

Cable probe version; accuracy to ±1 % RH;
temperature range -40 to +180 °C/

-40 to +356 °F, sensor soldered
Heated cable probe version; accuracy to ±1.0 %

RH; temperature range -40 to +180 °C/

-40 to +356 °F, sensor soldered
Trace humidity cable probe version; accuracy

±1 K at 0 °Ctd/+32 °Ftd; temperature range

-40 to 120 °C/-40 to +248 °F, sensor soldered

Probes Article no. Characteristic

testo 6617 0555 6610-L17

Cable with cover electrode monitoring probe
version; accuracy to ± 1.2 % RH; temperature
range -40 to 180 °C/

-40 to +356 °F, sensor soldered

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4.2.3. Display and keypad

The display option allows operation of the testo 6383 transmitter via
the display and four keys.

The LCD display consists of two 7-segment lines for displaying
readings and units and of an information line (for status messages,
for example).

The brightness and contrast of the display and the background
lighting (permanent or off) can be changed via the user menu or the

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4.2.4. Service interface

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P2A software.

The parameterizing socket (mini-DIN) is located behind the service
flap as an interface to the P2A software or Testo handheld
instrument (testo 400/testo 650).

4 Transmitter

4.2.5. Relay board (option)

This has a floating switch capacity of 250 V AC/3 A. The switching
limits and hysteresis as well as the function as relay for the
collective alarm can be set via the display or the P2A software.

Further features include:

• Function of changeover contacts (NC/NO contacts) freely
selectable

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15

• 12 terminals for a total of 4 relays.

If no relays are available, settings for monitoring limit values
or alarms can still be controlled via the display. The alarm
status will be shown on the display.

Only have the transmitter wired and connected by
authorized personnel with the voltage disconnected.

4 Transmitter

4.2.6. Analog outputs

As analog outputs, the testo 6383 has either

• 1 or optionally 3 current outputs of 0 to 20 mA (4-wire)/4 to

20 mA (4-wire) or

• 1 or optionally 3 voltage outputs of 0 to 1 V/0 to 5 V/0 to 10 V

(4-wire).

The transmitter can be ordered with three analog outputs as an
option.

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The optional three channels are galvanically isolated.

4.2.7. Parameters

The following parameters are displayed

• Differential pressure in Pa, hPa, kPa, mbar, bar, mmH

O, inch HG, kg/cm2, PSI

H

2

• Relative humidity in % RH (technical)

• Relative humidity in % WMO* (calculation according to the

WMO standard)

• Degree of humidity in g/kg and gr/lb

• Absolute humidity in g/m³ and gr/ft³

• Water content in ppm (vol) and % vol

• Psychrometer temperature in °C

• Enthalpy in kJ/kg and BTU/lb

• Water vapour partial pressure in hPa and inch H

• Dewpoint temperature in °C

• Standardized dewpoint in °C

pressure (1013 hPa); precondition: Absolute process pressure.

• Dewpoint of H
* It is possible that condensation appears as of a displayed

humidity starting from 70 % and is shown on the display. This
unit is used in meteorology, amongst others. When calculating
the relative humidity the Magnus coefficient with undercooled
water is used in accordance with WMO.

Calculated humidity variables correspond to the medium of
air. With other gases/gas compositions, deviations may
occur, e.g. with the enthalpy.

• Temperature °C and °F

mixture in °Ctm and °Ftm.

2O2

and °Ftw

tw

O

2

and °Ftd

td

standardized at atmospheric

tdA ,

O, inch

2

16

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4.2.8. Scaling

There are three types of min./max. values:
1 The measuring range: The maximum sensor performance is in

this range. Values outside of the measuring range are displayed
via messages, for example. Measuring range, see table
(below).

2 Standard scaling: The output signals are assigned to this

measuring range as standard:

◦ during delivery if no entries are made in the order code
◦ after exchanging the unit, the measuring range recorded in

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the instrument is applied as standard.

The transmitter even retains its scaling with the voltage
disconnected.

Measuring range, see table (below).
3 The maximum settings for the manual scaling

◦ The maximum limits can be calculated as follows:
X = difference between MIN. and MAX. value of the

standard scaling
(Max. value of standard) + (50 % of X)
(Min. value of standard) - (50 % of X)
◦ It is thus possible to scale beyond the measuring range, e.g.

for the adjustment of the scaling limits to standard values of

a PLC.
With the alarm definition, however, the physical measuring

range limits are decisive.

Measuring
range/standard scaling

0 to 50 Pa -5 to 15 Pa
0 to 50 Pa -25 to 75 Pa
0 to 100 Pa -50 to 150 Pa
0 to 500 Pa -250 to 750 Pa
0 to 10 hPa -5 to 15 hPa

-10 to 10 Pa -20 to 20 Pa

-50 to 50 Pa -100 to 100 Pa

-100 to 100 Pa -200 to 200 Pa

4 Transmitter

Maximum scaling

17

4 Transmitter

-500 to 500 Pa -1000 to 1000

-10 to 10 hPa -20 to 20 hPa

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Parameter Unit Probes

Temperature

°C 6611 -20 +70 -20 +70
°F 6611 -4 +158 -4 +158
°C

6613,
6614,
6617

°F

6613,
6614,

6617
°C 6615 -40 +120 -40 +120
°F 6615 -40 +248 -40 +248

Dewpoint

°Ctd 6611 -20 +70 -80 +100
°Ftd 6611 -4 +158 -112 +212
°Ctd

6613,

6614,

6617
°Ftd

6613,

6614,

6617
°Ctd 6615 -60 +30 -80 +100

6615 -76 +86 -112 +212

°F

td

3

all

probes

all

Absolute
humidity

g/m3

gr/ft

probes

relative humidity % RH

all

probes

WMO relative

% RH 0 100 0 100

humidity
Mixture dewpoint

(H

)

2O2

°Ctm -20 +100 -20 +100
°Ftm -4 +212 -4 +212

Physical
measuring range
at 1013 hPa

Standard scaling of
transmitter
measuring range

MIN MAX MIN MAX

-40 +180 -40 +180

-40 +356 -40 +356

-20 +100 -80 +100

-4 +212 -112 +212

0 600 0 2000

0 250 0 800

0 100 0 100

18

4 Transmitter

Degree of
humidity

g/kg

gr/lb

all
probes

all

probes
kJ/kg -40 99999 -40 8000 Enthalpy
BTU/lb -18 43000 -18 3500

Psychrometer
temperature

°Ctw -40 100 -40 180
°Ftw -58 210 -40 356
ppm

0 99999 0 99999 Water content
(vol)
H

O

2

% vol 0 100 0 100

Water vapour
partial pressure

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hPa 0 1000 0 7000
inchH2O 0 400 0 2800

4.2.9. Alarm handling

For upper and lower alarm limits, individual alarms as well as
collective alarms can be specified. If the collective alarm function is
activated, an alarm is triggered as soon as the alarm limit of an
alarm is exceeded, if this alarm is assigned to the collective alarm.

The testo 6383 monitors limit values with the help of relays. If a
reading is outside the limit values, a relay to be specified by the
user is switched.

If the reading reverts to more than a specified hysteresis below or
above the limit value, the alarm is cancelled.

In addition, information about the occurrence of error/status
messages can be provided by means of a collective alarm relay,
see Status, warning and error messages, page 64

If multiple alarm messages are activated at the same time,
the last alarm is shown. If the alarm is cancelled again, the
previous messages are no longer shown.

Physical
measuring range
at 1013 hPa

Standard scaling of
transmitter
measuring range

0 13300 0 9500

0 93000 0 66500

19

4 Transmitter

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4.3. Commissioning

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4.3.1. Mounting preparations

20

1. Create a wall opening (approx. 120 mm x 220 mm) at the
mounting location.

2. Hold 6383 in assembly position and mark the drill holes.

3. Drill holes suitable for the screws to be used.

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4.3.2. Connecting the instrument

4. Connect 6383.

WARNING

Electrical voltage
Danger of injury!

> De-energize the mains connection before connecting the

transmitter.

Only have the transmitter wired and connected by
authorized personnel with the voltage disconnected.

4 Transmitter

21

4 Transmitter

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4.3.2.1. Overview of terminals

1 Terminal strip for voltag e

2 Relay terminal strip (option),

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22

3 Relay cover (option)

supply and analog outputs

4 Insulating trough for relay

below the relay cover

board (option), below the
relay cover

The following description of the terminals refer to this
overview and its numbering.

4.3.2.2. Connecting voltage supply and analog outputs

Terminal strip for voltage
supply and analog outputs,
item (1) of overview of
terminals

Wiring diagram for 4-wire system (0 to 20 mA/4 to 20 mA/0 to 1
V/0 to 5 V/0 to 10 V)

1 1 or 3 channels,

2 Functional earth

4 Transmitter

0 to 20 mA/4 to
20 mA max.
load per 500 Ω
0 to 1 V / 0 to
5 V / 0 to 10 V

Requirement for the connecting cable of the supply:

• Shielded and insulated with cross-section of at least

0.25 sq. mm, maximum 1.5 sq. mm without wire end
sleeves.

• The supply line must be secured against exceeding

0.5 A.

• An OFF switch must be installed in an easily accessible
position close by and be marked as such.

1. Disconnect terminal strip for voltage supply and analog outputs.

2. Strip the cable ends, clamp wire end ferrules on and screw
down with voltage terminals/channel terminals.

3. Tie together each of the two adjacent cores using a cable tie.

23

4 Transmitter

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4.3.2.3. Connecting the relay outputs

4. Attach terminal strip for voltage supply and analog outputs.

Only have the transmitter wired and connected by
authorized personnel with the voltage disconnected.

There is the option of twelve terminals for a total of four relays.

1. Remove relay cover.

2. Disconnect relay terminal strip.

3. Strip cable ends and clamp on wire end ferrules.

4. Connect relays according to chosen function (NC/NO) (see

diagrams below; relay 1 is shown as an example of a
connection).

Connection note

Relay terminal strip,
item (2) of overview of
terminals

24

• For the connection, a double-insulated mains cable
(sheathed cable) with a cross-section of at least 1.5
mm² must be used.

• Cable connection (2) may not be routed in a loop within
the relay trough (1).

4 Transmitter

• It is recommended that you always tie 2 adjacent cores
to one another using a cable tie (3).

• The insulation of the cable must be fed at least 5 mm
(4) into the relay tray up to the elevated part.

Use of relay as NC contact (NC = normally closed)

1 Alarm/status light

(example of installation)

2 250 V AC/DC, 3 A

The busy light (alarm/status light) is permanently on until
the relay opens or the circuit is interrupted. This circuit can
therefore be used to monitor the functionality of the alarm
circuit, as a cable break, for instance, is indicated by the
busy light going off.

25

4 Transmitter

Use of relay as NO contact (NO = normally open)

1 Alarm/status light

(example of installation)

2 250 V AC/DC, 3 A

The busy light (alarm/status light) only comes on when the
relay is switched (closed). Monitoring the functionality of the
alarm circuit is therefore not possible with this switching
operation.

5. Insert relay terminal strip into socket.

6. Set on relay cover.

26

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4.3.2.4. Closing the instrument

4 Transmitter

1. Connect probe.

• Version with integrated humidity probe:

1. Insert probe into probe socket.

2. Guide probe through opening of front plate.

3. Tighten screw at opening.

• Version with external humidity probe:
> Insert probe into probe socket.

4. Slide Ethernet connector into Ethernet socket.

27

4 Transmitter

5. Pull sealing frame (1) over the edge of the 6383.

6. Screw on 6383. Initially, only tighten the screws slightly. When

7. Seal 6383 using a measure appropriate for the installation point

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28

all screws are in position, also align 6383 and tighten the
screws.

(e.g. with a silicone strip).

4.3.3. Ethernet communication

4.3.3.1. Types of operation

A corresponding testo 6383 can be integrated into any Ethernet
systems

4.3.3.2. Mains connection

4.3.3.3. Setting the IP address

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> Connect the network cable to the transmitter.

The network cable must not be connected directly to the
telephone network (ISDN).

✓ Network cable must be conne cted to the Ethernet interface.
✓ Service plug must be inserted.

The IP address of the transmitter will be set via the P2A software
(transmitter accessories).

1. Set IP address with the P2A software (see Using the software,
page 116).

2. Disconnect service plug.

4 Transmitter

4.3.3.4. Integration into customer's Ethernet system

29

Precondition

The user should be familiar with the structure of an XML
document. Furthermore, enough knowledge should be
available that this type of document can be downloaded
and decoded via an Internet connection with the aid of a
programming/script language.

Interface

The communication takes place according to the client/server
principle, whereby the Ethernet module takes on the role of the
server:

The XML interface will be approached via a URL. The URL consists
of the IP address of the Ethernet module, the path for the XML
document and, depending on the URL, with a clearly defined
parameter. If a parameter is missing or an incorrect value is

4 Transmitter

transferred, the Ethernet module sends back a simple error
message.

Example:
IP address = 254.169.100.100
URL for serialnumber.xml:
http://254.169.100.100/data/getserialnumber
If a parameter is required, a "?" is always in the first place after the

URL, then the parameter is transferred to the common query string
form (name=value).

Example:
IP address = 254.169.100.100
URL for / identification.xml:
http://254.169.100.100/data/getidentification?param=0 (compare

table xml codes)
After calling up the compound URL, if everything was correct, an

XML document is returned. With faulty parameters a simple
HTML answer comes that points out the reason that an XML
answer could not be given.

If an XML document is to be loaded on the server, access is
provided by means of a POST request

Example of an upload via the program wget:
IP address = 254.169.100.100
URL for / usersettings.xml:

Path details of the folder in which
the wget program is located

H:/wget/wget-complete-stable /wget --post-file= C:/usersettings.xml 254.169.100.100/config/

Command Path details of the

folder in which the
usersettings XML file is
located

IP address of the transmitter
and required URL (see table on
the next page)

setusersettings

The Ethernet module supports reading out of

• Readings

• Instrument type (testo 6383)

• Firmware date and version (testo 6383)

• Status and status messages (testo 6383)

• Alarm messages (testo 6383)

• Service hour counter (testo 6383 and probe)
as well as the reading and writing of the:

• Adjustment data (testo 6383)

30

• Configuration data of analog outputs (testo 6383)

• Configuration data of relays (testo 6383)

• User settings (testo 6383)

XML codes (download)

The table of XML codes is available for download at

www.testo.de/transmitter

as well as on the product CD

URL Description Parameter

/data/getserialnumber Read off serial number of

/data/getidentification Read off type of

/data/getversion Read off firmware version

/data/getfirmwaredate Read off firmware date of

/data/getonlinevalue Read off online values of

/data/getviewchannels Read off view channels of

/data/getstatus Read off status of

/data/getlaststatusmessa
ge

/config/gethourscount Read off service hour

/config/getusersettings Read off settings of

/config/getcalibration Read off adjustment data

/config/getreldefinition Read off relay information

/config/getheatertime Read off sensor heating

connected transmitter

connected transmitter/
probe

of connected transmitter

connected transmitter

connected transmitter

connected transmitter

connected transmitter
Read off last status

message of connected
transmitter

counter of transmitter or
probe

transmitter

of transmitter

of transmitter

information

param=0 (for transmitter)
param=1 (for probe)

param=0 (adjustment set 1)
param=1 (adjustment set 2)

param=2 (adjustment set 3)
param=0 (relay 1)

param=1 (relay 2)
param=2 (relay 3)

param=3 (relay 4)

4 Transmitter

Answer (see
Appendix)

serialnumber.xml

identification.xml

version.xml

firmwaredate.xml

onlinevalue.xml

viewchannels.xml

status.xml

laststatusmessage.xml

hourscount.xml

usersettings.xml

calibration.xml

reldefinition.xml

heatertime.xml

31

4 Transmitter

URL Description Parameter

/config/getoptions Read off options of

/config/getcollectivealarm Read off alarm messages

transmitter

of transmitter

Upload XML documents

URL Description Parameter Post

/config/setusersettings
/config/setcalibration Set adjustment data of

/config/setreldefinition Set relay information

/config/setheatertime Set sensor heating

/config/setoptions Set options of

/action/setresettm Not yet implemented

Perform settings of
transmitter

transmitter

of transmitter

information

transmitter

param=0 (adjustment
set 1)
param=1 (adjustment
set 2)

param=2 (adjustment
set 3)

param=0 (relay 1)
param=1 (relay 2)
param=2 (relay 3)

param=3 (relay 4)

usersettings.xml usersettings.xml
calibration.xml calibration.xml

reldefinition.xml reldefinition.xml

heatertime.xml heatertime.xml

options.xml options.xml

resettm.xml

Answer (see
Appendix)

options.xml

collectivealarm.xml

Answer (see
Appendix)

Description of the XML elements

General elements

XML tag Description Type

measurement_value Parent element. Contains the child

value Reading Numerical, decimal number
unit Unit ASCII
number_values Qty. Numerical, whole number

elements value, unit, resolution

32

4 Transmitter

Elements in calibration.xml

XML tag Description Type

calibration_data Base element. Contains the child

elements unit, attenuation,
cal_reserved, cal_offset, cal_scale.

unit See general elements
attenuation Damping (0 - 15) Numerical, decimal number

cal_offset Offset Numerical, whole number
cal_scale Parent element. Contains the child

elements cal_minscale, cal_maxscale
cal_minscale Scaling value Numerical, decimal number
cal_maxscale Scaling value Numerical, decimal number

Elements in collectivealarm.xml

XML tag Description Type

colalarmtable Base element. Contains the child

alarm_numbers Number of alarm messages Numerical, whole number
alarm Parent element . Contains the child

alarm_event Type of alarm ASCII
alarm_state

elements alarm_numbers, alarm

elements alarm_event, alarm_state

Status of the alarm

0 = alarm inactive

1 = alarm active

Numerical, whole number

Elements in firmwaredate.xml

XML tag Description Type

firmware_date Base element. Contains the child

year Year Numerical, whole number
month Month Numerical, whole number
day Day Numerical, whole number

elements year, month, day

Elements in heatertime.xml

XML tag Description Type

heatertime Base element. Contains the child

element heatertimeoff
heatertimeoff Time sensor heating off in min Numerical, whole number

33

4 Transmitter

Elements in hourscount.xml

XML tag Description Type

hourcount Base element. Contains the child

element hours

hours Service hour counter in h Numerical, whole number

Elements in identification.xml

XML tag Description Type

ident Base element. Contains the child

device_id Transmitter typ e Numerical, whole number

element device_id

Elements in laststatusmessage.xml

XML tag Description Type

mufmsg Base element. Contains the child

elements msg, sn, hours

msg Status message ASCII
sn Serial number ASCII, 8 characters
hours Service hour counter in h Numerical, whole number

Elements in onlinevalue.xml

XML tag Description Type

online_values Base element. Contains the child

number_values See general elements
measurement_value See general elements

elements number_values,
measurement_value

Elements in options.xml

XML tag Description Type

options Base element. Contains the child

device_options See device_options description Numerical, whole number
production_options See production_options description Numerical, whole number

elements device_options,
production_options

34

4 Transmitter

Elements in reldefinition.xml

XML tag Description Type

relay_data Base element. Contains the child

relay_channel Measurement channel linked to the

relay_number Relay number (0 - 2) Numerical, whole number
relay_status

sw_point_charact

sw_point_value Switch point Numerical, decimal number
hysteresis_value Hysteresis Numerical, decimal number

elements relay_channel, relay_number,

relay_status, sw_point_character,

sw_point_value, hysteresis_value

relay

Status of relay

0 = off

1 = on

Switch point: Switch point:

0 = low-limit monitoring

1 = high-limit monitoring

Numerical, whole number

Numerical, whole number

Numerical, whole number

Elements in serialnumber.xml

XML tag Description Type

serialnumber Base element. Contains the child

number Serial number ASCII, 8 characters

element number

Elements in status.xml

XML tag Description Type

mufstatus Base element. Contains the child

statemsg

staterel

statecounter Counter Numerical, whole number

35

elements statemsg, staterel,

statecounter

Status message

See statemsg description

Status relay

See staterel description

Numerical, whole number

Numerical, whole number

4 Transmitter

Elements in usersettings.xml

XML tag Description Type

usersettings Base element. Contains the child

pressure Absolute pressure Numerical, decimal number
h2o2 H2O2 value Numerical, decimal number
setting_display

backlight
contrast
language

disp_msg

h2o2_prozess

abs_pressure_pa_process,
humidity_process
temperature_c_process
abs_pressure_pa

elements (pressure)*
(abs_pressure_pa_process)*,
(humidity_process)*,
(temperature_c_process)*,
(humidity_norm)*, (abs_pressure_pa)*,
h2o2, setting_display, backlight,
contrast, language, disp_msg,
h2o2_prozess

Auto OFF background lighting
0 -> background lighting auto off

1 -> background lighting stays on
Brightness of background lighting

0 to 9 (0 = off, 9 = max.)
Display contrast
0 to 9 (0 = min., 9 = max.)
Language
0 ->GERMAN
1 ->ENGLISH
2 ->FRENCH
3 ->SPANISH
4 ->ITALIAN
5 ->JAPANESE
6 ->SWEDISH
Status messages display
0 = off
1 = on
H2O2 process
0 = via H2O2 water
1 = process with evaporated H2O2
Pressure process data, absolute
pressure in Pa
Pressure process data, process
humidity in % RH
Pressure process data, process
temperature in °C
Humidity process data, absolute
pressure in Pa

3

,

Numerical, whole number

Numerical, whole number
Numerical, whole number
Numerical, whole number

Numerical, whole number

Numerical, whole number

Numerical, decimal number
Numerical, decimal number
Numerical, decimal number
Numerical, decimal number

* Child elements are optional

36

4 Transmitter

Elements in versions.xml

XML tag Description Type

firmware_version Base element. Contains the child

version Firmware version: ASCII, 6 characters

element version

Elements in viewchannels.xml

XML tag Description Type

view_channels Base element. Contains the child

elements number_values, view_channel
number_values See general elements

view_channel Parent element. Contains the child

elements channel_info,

measurement_value, meas_status
channel_info Parent element. Contains the child

elements connector_info, channel_type
measurement_value See general elements
meas_status Parent element. Contains the child

elements min, max, mean
connector_info Channel (transmitter/probe) ASCII
channel_type Parameter details ASCII
min. Minimum reading Numerical, decimal number
max. Maximum reading Numerical, decimal number
mean Mean value Numerical, decimal number

production_options description

Content of production_options is a double word type number (32
bit). The individual hardware options are bit-coded here.

xxxx xxxx xxxx xxxx xxxx xxx1 2222 3334

1 0=2-wire

1=4-wire
2 free
3 0=4 to 20 mA

1=0 to 20 mA

2=0 to 1 V

3=0 to 5 V

4=0 to 10 V

37

4 Transmitter

xxxx xxxx xxxx xxxx xxxx xxx1 2222 3334

4 0=1 analog output

1=3 analog outputs

device_options description

Content of device_options is a double word type number (32 bit).
The individual instrument options are bit-coded here.

xxxx xxxx xxxx xxxx xxxx xxxx 1222 2345

1 0=probe is invalid

1=probe is valid
2 free
3 free
4 0=no relay present

1=relay present
5 0=no display

1=display present

statemsg description

Content of statemsg is a double word type number (32 bit). The
individual status messages are bit-coded here.

If statemsg = 0 there are no new messages.
If statemsg != 0

xxxx xxxx xxxx xxxx xxxx xxxx 1234 5678

1 free
2 1=probe information
3 1= probe warning
4 1=probe error
5 free
6 1=transmitter information
7 1=transmitter warning
8 1=transmitter error

38

staterel description

Content of staterel is a double word type number (32 bit). The
individual relay states are bit-coded here.

xxxx xxxx xxxx xxxx xxxx xxxx xxxx 1234

1 0=relay 4 is not set

1=relay 4 is set

2 0= relay 3 is not set

1=relay 3 is set

3 0=relay 2 is not set

1=relay 2 is set

4 0=relay 1 is not set

1=relay 1 is set

More information can be found in the download area at

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www.testo.com.

4.3.3.5. Adjusting the instrument

The testo adjusting concept allows the entire signal chain from the
sensor signal (probe) and the digital signal (within the transmitter)
through to the analog signal (transmitter output signal) to be
adjusted (see diagram).

1-point adjustment

4 Transmitter

Adjustment via

• testo 400/650
handheld instrument
with adjustment
adapter

• P2A software

• User menu

39

4 Transmitter

Analog adjustment n-point adjustment

Adjustment using a
precise multimeter and
transmission of analog
reference value in

• User menu or

• P2A software

Adjustment using a
precise pressure sensor
and transmission of
analog reference value in

• User menu or

• P2A software

The 1-point adjustment is suitable for adjusting the sensor signal ­digital signal chain.

The testo 6383 transmitter has digital probes whose adjustment
information is stored in the probes' internal memory. The 1-point
adjustment can thus be carried out on another testo 6383 (e.g. in

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4.3.3.6. Overview: Adjustment keys and test contacts

the calibration laboratory).

1 Contact ch. 1

2. Contact ch. 2

3. Contact ch. 3

4. Service interface

40

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4.3.3.7. 1-point adjustment (offset - humidity/temperature)

In the 1-point adjustment, the reading at the working point is raised
to the reference value so that there is no longer any deviation in the
working point. The reference condition can be measured using a
precise handheld instrument (e.g. testo 400/650 with precision
humidity probe) or be created in an air conditioning cabinet.

1 Deviation
2 Working point
3 Working range

The advantage of the 1-point adjustment is the good measuring
result in the working range. But the further away the measurement
is from the working point, the greater the deviation can become.
The 1-point adjustment should therefore only be used for a
relatively narrow measuring range (working range), e.g. clean room
applications, air conditioning applications for storage and similar.

The 1-point adjustment can be performed

• via the user menu (see Editing Main Menu Adjust, page 61) or

• via the P2A software (see volume 2, 1-point adjustment, page

135) or

• directly by means of a Testo handheld instrument
(testo 400/650) (see description of how to proceed below).

Please note that the 1-point adjustment is generally performed on
the basis of the % RH and °C/°F parameters.

4 Transmitter

Adjusting testo 6383 using testo handheld instrument

✓ The service flap is open, a testo 400/650 handheld instrument

with a precision humidity probe is ready.

41

4 Transmitter

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1. Connect testo handheld instrument 400/650 (1) with connected

humidity reference probe (3) (order no. reference set
0699 3656/20) to the service interface (5) of the testo 6383 via
the adjustment adapter (2) (connected to probe socket 1 of the
handheld instrument).

2. Expose the humidity probe (4) of the testo 6383 and the

reference probe (3) to the same reference conditions (e.g. in
the humidity generator) and allow climatic conditions to
equalize.

3. Switch on the testo 400/650. The two-part display of the

handheld instrument will show the values of the transmitter on
the left, and the values of the reference probe on the right. The
humidity and temperature values are adjusted to the reference
probe using the Probe > Probe Adjustment menu item on the
testo 400/650. The 1-point adjustment is performed for both the
humidity and the temperature.

4. Disconnect the adjustment adapter (2) from the service

interface (5).

5. Close the service flap.

Adjustment with the standard testo adjustment salt pots is
not suitable for the testo 6614 (heated for high-humidity
applications) and testo 6615 (trace humidity) probes.

The reference conditions should be generated in a humidity
generator to adjust these probes. In addition, these probes
can also be adjusted at a third adjustment point by Testo
Service.

• testo 6614: third adjustment point at 90 % RH

• testo 6615: third adjustment point at -40 °C

/-40 °Ftd

td

42

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4.3.3.8. Analog output adjustment

The purpose of adjusting the analog outputs is to adjust the signal
chain from the digital signal (within the transmitter) to the analog
outputs. The signal type that was appointed for the transmitter is
adjusted respectively for each channel (e.g. 4 to 20 mA or 0 to 1 V,
etc.).

4 Transmitter

1 Contact ch. 1

2. Contact ch. 2

3. Contact ch. 3

4. Service interface

Adjusting analog outputs 1, 2 and 3 (optional)

✓ With testo 6383 with current output: Load of max. 500 Ω is

connected to channel that is to be adjusted (see Connecting
voltage supply and analog outputs, page 23).

✓ A precise multimeter (minimum requirement: resolution 6.5

digits, at least 5-times more accurate than the 6383) is
available.

If only a simple multimeter is available, the analog outputs
must not be adjusted.

✓ The service cover is open.

1. Connect the inputs of the multimeter with the contacts (1) and
(2) for channel 1 or with contacts (3) and (4) for channel 2, (5)
and (6) for channel 3.

43

4 Transmitter

2. Transfer the reference analog value measured with the

multimeter into the P2A software (see volume 2, Adjusting the
analog output, page 138) or enter it via the user menu (see
Editing Main Menu Adjust, page 61).

3. Disconnect connections between the multimeter and the

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contacts of the testo 6383 and close the service cover.

4.3.3.9. n-point adjustment (pressure)

With an n-point adjustment, the parameters at the 3-6
measurement points are adjusted to the reference value. The
reference conditions are obtained by using a precise pressure
sensor that should be 5-times more accurate than the transmitter.

1 Positive pressu re connection

2. Negative pressure connection

3. Pressure sensor

44

The number of measuring points is set to 3 by the factory
and can only be changed using the P2A software (see n-
point adjustment page 137)

The n-point adjustment must always be carried out to its full
extent and in good time at all selected measurement points.

✓ A precise pressure sensor (5-times more accurate than the

transmitter, e.g. DPC precision pressure sensor from testo
industrial services) is available.

1. Connect the positive output of the pressure sensor (3) to the

positive pressure connection of the transmitter (1) and the
negative output of the pressure sensor (3) to the negative
pressure connection of the transmitter (2).

2. Transfer the reference pressure value created with the pressure

sensor into the P2A software (see volume 2, n-point
adjustment, page 137) or enter it via the user menu (see Editing
Main Menu Adjust, page 61).

3. Repeat step 2 for all of the measuring points.

4. Disconnect connections between the pressure sensor and the

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4.3.3.10. High-humidity adjustment for testo 6614

pressure connections of the testo 6383.

4 Transmitter

With the testo 6614, the rear of the Testo humidity sensor is
heated, creating a microclimate around the sensor (within the filter)
that is constantly 5 K warmer than the actual process conditions.

As can be seen in the Mollier diagram, this reduces the relative
humidity at the sensor from around 100 % RH to a lower value, e.g.
73 % RH. In this range, the reaction time of the sensor is noticeably
shorter than in the condensation range and the risk of the sensor
corroding is also reduced. Using the separate temperature probe,
the testo 6383 transmitter compensates the microclimate conditions
and displays the process readings.

The reference conditions (11.3 % RH and 75.3 % RH) for
the 2-point adjustment of the testo 6614 should be
generated in a humidity generator, as humidity adjustment
sets cannot be used due to the heat generated.

The adjustment can also be carried out at a third
adjustment point (90 % RH) by Testo Service so that
optimum accuracy is also achieved in the high humidity
ranges.

45

4 Transmitter

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4.3.3.11. Self adjustment of testo 6615 trace humidity probe

Conventional trace humidity probes show a steep rise in measuring
uncertainty at low humidities. In the testo 6615 trace humidity
probe, these measuring uncertainties are corrected by means of an
automatic self-adjustment process. This means that extremely
accurate measuring results are also attained to -60 °Ctd.

To this end, a temperature sensor is fitted on the back of the
testo 6615 which is used as a heater. A humidity and temperature
value pair is taken in both the unheated and heated state. The
deviation of the probe obtained from these pairs of values is
automatically corrected.

46

• Deactivating the adjustment function of the testo 6615
will reduce measuring accuracy and should therefore be
restricted to the shortest possible length of time.

• During the heating phase, the relay and analog outputs,
the display value and output value are "frozen", see
diagram above. Self-adjustment active is shown in the
display until it has finished. The factory setting for self­adjustment time (incl. heating time, calculation time,
cooling time) requires 30 minutes daily.

• In the factory setting, a third adjustment point
(-40 °Ctd) is approached for the testo 6615 in addition to

4 Transmitter

the 2-point adjustment.
This special adjustment can be performed again by your

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4.4. Operation

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Testo Service team if necessary.

4.4.1. Relationship between user menu and mini-DIN
socket is active

The testo 6383 can be parameterized using either the user menu or
the P2A software (see volume 2, Parameterizing, adjusting and
analyzing software (P2A software) page 113).

The testo 6383 transmitter can only be operated via the
display and keypad if the display option is available.

If the testo 6383 is connected to the P2A software, the user
menu is blocked for the duration of the communication. The
message Service plug is shown in the display of the testo

6383. As soon as the P2A software is disconnected, the

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user menu is accessible again.

4.4.2. Password protection

The user menu can be protected with a four-digit numerical code
(see Editing Main Menu Settings, page 55) so that access to the
user menu is denied to unauthorized persons not familiar with this
numerical code.

If the password protection is not to be used, the numerical code

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"0000" must be entered. This is also the status upon delivery.

4.4.3. Structure of user menu

At the main menu level, the user menu comprises the following:

• Main Menu Channel 1

• Main menu of channel 2 (if this option is available)

• Main menu of channel 3 (if this option is available)

• Main Menu Alarm

• Main Menu Settings

• Main Menu Analysis

• Main Menu Messages

• Main Menu Ident

• Main Menu Adjust

47

4 Transmitter

• Main Menu Reset
1 Channe l 1 display
2 Channe l 2 display
3 Channel 3 display or for

messages

Four keys enable the user to navigate/scroll through the menus and
enter/amend values and settings:

Key Function/description

SET

• In Measuring Mode: changes to
parameterization

• In Parameterizing Mode: confirms a
selection or setting

ESC

• Leaves a menu (without modifying any
settings)

X • Selecting: scrolls through menus

(downwards) or selectable alternatives

• Editing: changes to next digit (to the right)

S • Selecting: scrolls through menus (upwards)

or selectable alternatives

• Editing: increases the value of the current
digit by 1

48

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4.4.4. Overview of the testo 6383 user menu

4 Transmitter

49

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50

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51

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4.4.5. The individual main menus

4.4.5.1. Editing main menu of channel 1

An overview is given in Overview of the testo 6383 user menu,
page 49).

You can perform basic settings for channel 1.

1. In the Measuring Mode press SET, select Main Menu

Channel 1 with X or S and confirm selection with SET.

One of the following parameters can now be selected using X
or S, after which the selection must be confirmed with SET:

• Channel 1 Unit
The parameter for this channel is selected.
Edit/select parameter with X or S, confirm with SET or abort

entry with ESC.

• Scale minimum for channel 1:
The lower scale limit is edited; Unit as selected above.
Editing the value: Scroll one digit to the right using X and

increase value of digit by 1 using S. Confirm with SET or abort
entry with ESC.

• Scale maximum for channel 1
The upper scale limit is edited;
Unit as selected above.
Editing the value: Scroll one digit to the right using X and

increase value of digit by 1 using S. Confirm with SET or abort
entry with ESC.

• Signal delay ("Attenuation") for channel 1
The analog signal can be delayed ("Attenuation"); a time

constant is selected for this (1 = no delay; 15 = longest delay)
Edit/select parameter with X or S, confirm with SET or abort

entry with ESC.

2. Continue to the main menu with X or S or return to Measuring

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Mode with ESC.

4.4.5.2. Editing Main Menu Channel 2 (if this option is available)

See channel 1.

52

4 Transmitter

4.4.5.3. Editing Main Menu Channel 3 (if this option is available)

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See channel 1.

4.4.5.4. Editing Main Menu Alarm

With the alarm, the relays, available as options, are programmed.
In addition, the alarm statuses are shown on the display (top right)
(even without relays).

You can choose whether the alarm is to be used to monitor limit
values or as a collective alarm. If an alarm is to be used to monitor
limit values, you can choose between monitoring the minimum or
maximum value and set a limit value and hysteresis for each alarm.

In addition, every alarm can be linked to a clearly visible visual
alarm (display background lighting flashes).

An alarm delay between 0 and 240 seconds can still be assigned to
every alarm used for limit value monitoring so that both the
corresponding relay effect and the visual alarm are delayed. If the
alarm status goes out within the set alarm delay time, neither the
visual alarm nor a relay connection is triggered. .

With an alarm status present, the visual alarm and all relay outputs
can be reset by means of acknowledgement. The triggering of a
new alarm cannot be enabled until after the alarm status goes out.

1. In the Measuring Mode press SET, select Main Menu Alarm
with X or S and confirm selection with SET.

- Four alarms can be parameterized.

2. Select Alarm x with X or S and confirm selection with SET.

Using alarm to monitor limit values

NO contact

Monitoring minimum Monitoring maximum

Hysteresis

Limit value Limit value

53

Hysteresis

4 Transmitter

NC contact

Monitoring minimum Monitoring maximum

Hysteresis

Hysteresis

Limit value Limit value

3. Select Channel x (e.g. "Channel 1") with X or S and confirm

selection with SET.

4. Select Max control or Min control with X or S (see graphic).

5. Press SET and edit Limit value as well as Hysteresis: Scroll

one digit to the right using X and increase value of digit by 1
using S. Confirm with SET or abort entry with ESC.

6. Select Visual alarm with X or S. Select YES or NO with X or

S. Confirm with SET or abort entry with ESC.

7. Press SET and edit Alarm delay: Scroll one digit to the right

using X and increase value of digit by 1 using S (0 to 240
seconds possible). Confirm with SET or abort entry with ESC.

8. Return to Channel x with ESC.

9. Return to Alarm x with ESC.

10. Change to the other relays using X or S and perform settings

in the same

w

ay.

Using alarm as collective alarm or not using it at all

If an alarm is assigned to the collective alarm, the relay is switched
and a visual alarm can be issued via the display as soon as (at
least) one of the warning or error messages of the testo 6383
transmitter (or the connected testo 6610 probe) becomes active.

The messages affecting the collective alarm can only be
selected in the P2A software, see volume 2, Using the
software, page 116.

✓ Alarm is selected (see previous steps 1 and 2).

1. Use X or S to determine whether Alarm x should be used as a

Collective alarm or not used. Confirm selection with SET.

2. If collective alarm is selected: Select Visual alarm with X or S.

Select YES or NO with X or S. Confirm with SET and return to

Alarm x.

54

3. Change to another alarm using X or S and perform settings in
the same way.

4. Return to Main Menu Alarm with ESC.

5. Continue to Main Menu Settings with X or S or return to

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Measuring Mode with ESC.

4.4.5.5. Editing Main Menu Settings

You can edit instrument settings and other settings.
> In Measuring Mode, press SET, select Main Menu Settings

using X or S and confirm selection with SET.

You can edit settings for:

• Display

• Language

• Code

• Units

◦ Absolute pressure
◦ Area
◦ Temperature

• Humidity process data

◦ H2O2 percentage by weight
◦ Humidity process pressure

4 Transmitter

Editing display settings

You can set the brightness and contrast of the display.

1. Select Display Settings with X or S and confirm selection with

SET.

2. Select Backlight or Contrast with X or S and confirm
selection with SET.

One of the following parameters can now be selected using X or
S, after which the selection must be confirmed with SET:

• Backlight
The display illumination is changed.
Edit/select parameter with X or S, confirm with SET or cancel

entry with ESC (the effect of the change in parameter can be
seen during input).

55

4 Transmitter

• Contrast

The brightness difference between the display background and
the displayed values is changed.

Edit/select parameter with X or S, confirm with SET or cancel
entry with ESC (the effect of the change in parameter can be
seen during input).

• Backlight 24h on

Select On or Off using X or S and confirm with SET.
Off: The display light switches off automatically if no button was

pressed for 10 seconds.
On: The display light is activated

3. Return to Display Settings with ESC and useX or S to

continue to Language.

Selecting language

You can select the language for the plain text line in the display.
> Press SET, select required language with X or S, confirm

selection with SET and return to Language.

Only choose a language that you can understand well.

56

Editing code settings

You can set the access code (password).

If a code other than "0000" (factory setting) is set, the
transmitter can only be operated once this code has been
entered via the menu.

1. Select Code with X or S and confirm selection with SET.

2. Scroll one digit to the right using X and increase value of digit

by 1 using S. Confirm with SET or abort entry with ESC.

3. Return to Code with ESC and useX or S to continue to

Change parameters.

Select unit (Change unit)

This setting affects the displayed unit of all readings.

1. Press SET, select Change parameters with X or S, confirm

selection with SET or cancel with ESC.

2. Select Change unit with X or S, confirm selection with SET or

cancel with ESC.

3. Select the required variable (absolute

4. Select the required unit with X or S, confirm selection with SET

5 Return to Change unit with ESC.

6. Return to Change parameters with ESC.

7. Return to Main Menu Settings with ESC.

Editing Humidity process data

This menu is only used to parameterize humidity measurements in
H
whether °Ctm or °Ftm is the output parameter.

1. Select Humidity process data with X or S and confirm

2. Select H202 weight prop. with X or S, confirm selection with

3. Select H

4. Edit proportion by weight of the H

5. Return to H202 weight prop. with ESC and useX or S to

6. Select Humidity process pressure with X or S and confirm

7. Edit humidity process pressure: Scroll one digit to the right

8. Return to Change parameters with ESC.

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9. Return to Main Menu Settings with ESC.

4 Transmitter

pressure/area/temperature) with X or S, confirm selection with

SET or cancel with ESC.

or cancel with ESC.

atmospheres (e.g. in sterilization processes) and determines

2O2

selection with SET.

SET or cancel with ESC.

The selection H

wate r or H2O2 vapour in the submenu

2O2

describes whether H2O2 is generated by means of evaporation
or is actively vaporized in the process.

water or H2O2 vapour with X or S and confirm

2O2

with SET.

in % (% H2O2 proportion

2O2

by weight in the liquid initial solution): Scroll one digit to the right
using X and increase value of digit by 1 using S. Confirm with

SET or abort entry with ESC.

continue to Humidity process pressure.

selection with SET.

using X and increase value of digit by 1 using S. Confirm with

SET or abort entry with ESC.

57

4 Transmitter

4.4.5.6. Editing Main Menu Analysis

You can test the functionality of analog and relay outputs. In
addition, you can read off the minimum and maximum values (since
the last voltage supply or reset of the min./max. values).

Testing functionality of analog outputs

This function affects the analog outputs directly, not only
the test contacts.

1. In the Measuring Mode press SET, select main menu Analysis

with X or S and confirm selection with SET.

- Test Analog Output is shown.

2. Press SET and choose between Analog output 1, 2, 3 with X

or S.

3. Press SET, scroll one di git to the right using X and increase

value of digit by 1 using S. Any analog output value can be
predefined, e.g. for an analog output of 4 to 20 mA, the value
"6.0 mA". Confirm with SET or abort entry with ESC.

4. Accept setting by pressing SET and test with multimeter

(minimum requirement: resolution 6.5 digits, at least 2-times
more accurate than the 6383) as follows:

Analog output 1, 2 or 3: Via test contacts under service cover,
see diagram.

1 Positive test

contact
channel 1

2 Negative test

contact
channel 1

3 Multimeter

58

4. Return to Test Analog Output with ESC and useX or S to

continue to Test Relay Output.

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4 Transmitter

Testing functionality of the pressure sensor (Test pressure

sensor)

This function is only required to calibrate the pressure
sensor.

Testing functionality of relay outputs

1. Press SET and choose between Alarm 1, 2, 3, 4 with X or S.

2. Press SET.
The relay can now be tested. You can choose between OFF

and ON using X or S. If ON is chosen, the NO contact is
closed, the NC contact opened. If OFF is chosen, the NC
contact is closed, the NO contact opened.

3. To test, route a measuring cable from the relay terminals (see
Connecting the relay outputs, page 24) out of the transmitter to
a multimeter (resistance measurement) or continuity tester.

4. Return to Test Relay Output with SET (starts relay test) or

ESC (exits the menu without relay test).

Reading off min./max. values of channels

To reset the max./min. values, see Editing Reset main menu, page
63

1. Read off the min./max. values of the three channels in
succession with X or S and return to the Main Menu Analysis
with ESC.

2. Continue to Main Menu Message with X or S or return to
Measuring Mode with ESC.

59

4 Transmitter

4.4.5.7. Editing Message main menu

Messages can be confirmed/acknowledged, the last messages can
be called up and the display of the messages can be switched on
or off.

Using the P2A software (see volume 2, Parameterizing,
adjusting and analyzing software (P2A software), page 113)
you can predefine whether messages are to be shown in
the display.

1. In the Measuring Mode press SET, select Main Menu Message

with X or S and confirm selection with SET.

2. Confirm Confirm message using SET.

3. Select Last messages with X or S and confirm with SET.

4. Scroll between the warning and error messages recorded so far

using X or S and return to Last messages using ESC.

5. Select Information with X or S and confirm with SET.

6. Scroll between the status messages recorded so far using X or

S and return to Information using ESC.

7. Continue to Display of message with X or S.

ON: Measurements are shown on the display in Measuring

Mode.

OFF: No messages shown on display.

8. Select ON or OFF with X or S and confirm selection with SET.

9. Return to Main Menu Message with ESC.

1 Operating hour s at the

time of message

2 Message code (see

Status, warning and error

messages, page 64).
3 Message text
4 Message num ber

(example: "4/7" refers to

the fourth of seven

messages)
5 Number of messages

present (example: "4/7"

refers to the fourth of

seven messages)

60

10. Continue to Main Menu Ident with X or S or return to
Measuring Mode with ESC.

An overview of the messages can be found in Status,

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4.4.5.8. Calling up Main Menu Ident

warning and error messages, page 64

The serial numbers of the transmitter and probe can be read off.

1. In the Measuring Mode press SET, select Main Menu Ident
with X or S and confirm selection with SET.

- The type, firmware version, build number and serial number of
the transmitter are displayed.

This information is required when servicing.

2. Return to Main Menu Ident with ESC or read off the type,
firmware release, build number and serial number of the probe
with X or S and then return to Main Menu Ident with X or S.

3. Continue to Main Menu Adjust with X or S or return to

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Measuring Mode with ESC.

4 Transmitter

1 Instrument or

probe type
2 Build number
3 Firmware

version
4 Serial number

4.4.5.9. Editing Main Menu Adjust

A reference value can be entered for both relative humidity (RH)
and temperature (°C/°F) for the 1-point adjustment. Please refer to
the description in 1-point adjustment (offset ­humidity/temperature), page 41

Reference values for pressure can be entered for the n-point
adjustment. Please refer to the description in n-point adjustment
(pressure), page 44

61

4 Transmitter

In addition, the analog outputs can be adjusted. Also see Analog
output adjustment, page 43 for instructions on how to do this.

Enter reference value for 1-point adjustment

Please also refer to 1-point adjustment (offset ­humidity/temperature), page 41

1. In the Measuring Mode press SET, select main menu Adjust
with X or S and confirm selection with SET.

- Reference value % RH is displayed.

2. Press SET, edit value: Scroll one digit to the right using X and
increase value of digit by 1 using S. Confirm with SET or abort
entry with ESC.

3. Continue to Reference value temp with X or S.

4. Press SET, Reference value °C or Reference value °F is
displayed.

5. Press SET, edit value: Scroll one digit to the right using X and
increase value of digit by 1 using S. Confirm with SET or abort
entry with ESC.

6. Continue to Analog Adj. Ch. 1 with X or S.

7. Continue with the adjustment of the analog outputs (see below,
step 2) or press ESC to return to main menu Adjust.

8. Continue to main menu Reset with X or S or return to
Measuring Mode with ESC.

62

Performing analog adjustment

Please refer to Analog output adjustment, page 43.

1. In the Measuring Mode press SET, select main menu Adjust
with X or S and confirm selection with SET.

Each channel is adjusted at three points in the analog
range (at 10 %; 50 %; 90°% of the analog scale).

2. Select Analog Adj. Ch. 1 with X or S and confirm with SET.

3. Use X or S to select Adj. Point 1.

4. Press SET. Read off multimeter display (e.g. 5601 mA) and
enter this value in the user menu. Do this by scrolling one digit
to the right using X and increasing the value of digit by 1 using
S. Confirm with SET or abort entry with ESC.

5. Use X or S to select Adj. Point 2.

6. Press SET. Read off multimeter display (e.g. 12,001 mA) and
enter this value in the user menu. Do this by scrolling one digit

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4 Transmitter

to the right using X and increasing the value of digit by 1 using
S. Confirm with SET or abort entry with ESC.

7. Use X or S to select Adj. Point 3.

8. Press SET. Read off multimeter display (e.g. 18,401 mA) and
enter this value in the user menu. Do this by scrolling one digit
to the right using S and increasing the value of digit by 1 using
X. Confirm with SET or abort entry with ESC.

9. With X or S continue to Analog Adj. Ch. 2or 3 (repeat steps 3
to 8).

10. Return to main menu Adjust with ESC.

11. Continue to main menu Reset with X or S or return to
Measuring Mode with ESC.

Performing the pressure adjustment

Please refer to n-point adjustment (pressure), page 44

1. In the Measuring Mode press SET, select main menu Adjust
with X or S and confirm selection with SET.

The pressure adjustment can be performed at 3 to 6
adjustment points.

2. Select Adjust Pressure with X or S and confirm with SET.

3. Use X or S to select Adj. Point 1.

4. Press SET. Read off pressure sensor display (e.g. 30.1 Pa) and
enter this value in the user menu. Do this by scrolling one digit
to the right using X and increasing the value of digit by 1 using
S. Confirm with SET or abort entry with ESC.

5. Repeat steps 1 to 4 for adjustment points 2 to 6.

6. Return to main menu Adjust with ESC.

7. Continue to main menu Reset with X or S or return to
Measuring Mode with ESC.

4.4.5.10. Editing Reset main menu

You can reset the factory settings for the following:

• Instrument

• Sensor/probe

63

• Min./max. values

Resetting to the factory settings means resetting to the
order specification, i.e. the specific condition at the time of
supply to the customer.

4 Transmitter

1. In the Measuring Mode press SET, select Main Menu Reset

with X or S and confirm selection with SET.

- Reset Device to factory settings is displayed.

2. Select the setting to be reset using X or S and confirm

selection with SET.

- Reset Completed is displayed.

3. Return to the reset setting with ESC or SET and return to Main

Menu Reset with ESC.

4. Continue to Main Menu Channel 1 with X or S or return to

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4.5. Status, warning and error messages

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Measuring Mode with ESC.

To achieve optimum operational reliability (machine availability),
the transmitter shows the following via the user menu or the P2A
software

• Status messages

• Warning messages

• Error messages
The status and warning messages for the respective testo 6610

probes connected to the transmitter can be evaluated via the P2A
software.

All messages are stored in the transmitter with an operating hours
stamp. Use the user menu (see Editing Message main menu, page

60) or the P2A software (see volume 2, Transmitter history, page

139) to view the message history.
In the transmitter, the last 60 status messages and the last 120

error and warning messages are stored in a ring memory. There is

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no limit in the P2A software.

64

4.5.1. Status messages

Status messages show the current operating status of the testo

6383.

Message Display Description

02506

Sensor
initialization

01D19 Service plug

00300 New limit value

00301 Scaling changed The scaling has been changed
00500 Transmitter reset

0052F Reset Min/Max

02518 Probe reset

00503

Reset device to
fact

02503

Reset probe to
fact

00530

Change solenoid
valve

00307

User Setting
Change

00117 Adjustment DeltaP

02104 Analog adjustment

02101 1-point adjustment A 1-point adjustment is performed.

4 Transmitter

Message appears while the
transmitter is starting up. If the
message disappears, the
transmitter is ready for operation.

The Mini-DIN socket is connected
to: the USB adapter for P2A
software, the adjustment adapter

or the service plug (is not
recorded/no number)

The limit value has been changed
or shifted

The transmitter was reset to the
factory settings and is restarted.

Resets all saved Min/Max values
for all channels

Probe reset: The probe performs a
reset

A factory reset of the transmitter
was performed

A factory reset of the probe was
performed

The solenoid valve should be
changed

User Setting Change: General
settings were changed for the
transmitter.

An n-point adjustment was
performed.

An analog adjustment has been
made

65

4 Transmitter

Message Display Description

02105

Self-adjustment
active

For testo 6615 probe only: The
probe performs an automatic self­adjustment

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4.5.2. Warning messages

Warning messages show an early warning or a current malfunction

Message Display Cause Remedying of fault

00809

00E00 T ambient high**

00E01 T ambient low**

00E04/00E
05

02822 T process high**

02821 T process low**

0081C Alarm 1**

which may negatively impact measuring.

Pressure too
high**

The process pressure
exceeds the pressure
intended for the
transmitter

The ambient
temperature exceeds
the permissible
temperature for the
transmitter

The ambient
temperature is below
the permissible
temperature for the
transmitter

Supply voltage
low**

The supply voltage is
below the minimum
voltage required for the
transmitter

The process
temperature exceeds
the temperature
designated for the
probe

The process
temperature is below
the temperature
designated for the
probe

Depending on the
parameterization of the
relays

Remove the transmitter
from the process and
take any necessary
measures to lower the
pressure

Take necessary
measures to lower
ambient temperature,
e.g. through venting or
cooling

Take necessary
measures to raise
ambient temperature,
e.g. through heating

Take measures to
ensure sufficient
voltage supply

Remove the probe from
the process and take
any necessary
measures to lower the
process temperature

Take necessary
measures to raise
process temperature

Depending on the
parameterization of the
relays

66

4 Transmitter

Message Display Cause Remedying of fault

0081D Alarm 2**

Depending on the
parameterization of the
relays

0081E Alarm 3**

Depending on the
parameterization of the
relays

0081F Alarm 4**

Depending on the
parameterization of the
relays

02806 Condensation*

100 % RH has been
reached, condensation
developing

02807

Values less than
0 % RH**

The adjustment or
sensor is faulty

Depending on the
parameterization of the
relays

Depending on the
parameterization of the
relays

Depending on the
parameterization of the
relays

Take measures to
reduce process
humidity

Check adjustment (via
P2A adjustment history,
perform 2-point
adjustment where
necessary). If the
problem persists,
contact Testo Service

02809

Sensor early
warning*

For testo 6617 probe
only: The cover
electrode of the sensor
is damaged; this may
soon cause the sensor
to break

Carry out visual
inspection. If the mirror­like surface of the
sensor is dirty or
damaged, contact
Testo Service

* Early warning

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** Current malfunction

4.5.3. Transmitter error messages

Message Display Cause Remedying of fault

03401 No probe signal

67

Error messages show a current malfunction.

The probe
communication is
interrupted

Ensure that the probe
connector is fully
engaged in the
transmitter.

If communication still
cannot be established,
contact Testo Service

4 Transmitter

Message Display Cause Remedying of fault

03508 Wrong probe

01505 Watchdog error

0300A

0300B

0300C T short-circuit

0300D T sensor broken

03105

03106 Adjustment error

01115

01116

03000

% RH short­circuit

% RH sensor
broken

Self-adjustment
error

Low adjustment
temperature

High adjustment
temperature

Heat function
defective

The connected probe
is not compatible with
the present transmitter

Due to a processor
error, the transmitter
performs an automatic
restart

Short-circuit in humidity
sensor

The humidity sensor is
damaged (sensor
broken)

Short-circuit in
temperature sensor

The temperature sensor
is damaged (sensor
broken)

For testo 6615 probe
only: The automatic
self-adjustment was
faulty

The adjustment of the
probe was faulty

The ambient
temperature is too low
during the pressure
adjustment

The ambient
temperature is too high
during the pressure
adjustment

For testo 6614 probe
only: Heat function
defective

Use a compatible probe
Note: Probe 661x for

transmitter 638x
If the problem occurs

frequently, contact
Testo Service

Contact Testo Service

Contact Testo Service

Contact Testo Service

Contact Testo Service

Contact Testo Service

Contact Testo Service

Take necessary
measures to raise
ambient temperature,
e.g. through heating

Take necessary
measures to lower
ambient temperature,
e.g. through venting.

Contact Testo Service

68

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4.5.4. Handling alarm messages

Shown on the
display

4

Can be used for
collective alarm5

New limit value x
Scaling changed x
Pressure too high x x
Delta p adjustment x
Alarm 1 x
Alarm 2 x
Alarm 3 x
Alarm 4 x
Transmitter reset x
Reset Min/Max
Transmitter refresh x
User Setting Change
Analog adjustment x
1-point adjustment x
Probe reset x
T ambient high x x
T ambient low x x
Supply voltage low x x
T process high x x
T process low x x

4 Transmitter

Additional
message end6

4

If multiple messages/alarms are activated at the same time, only the last
message/alarm is shown. If this is cancelled, the other messages that are still
active are no longer displayed.

5

The message can be assigned the collective alarm function, which means that
the collective alarm is activated as soon as at least one of the messages
assigned to it is activated. The collective alarm can be assigned to each of the 4
optional relays. The collective alarm is then always the same, as it can only be
defined once.

6

The message is shown upon the occurrence of the event causing the
message as well as when closing. Two entries appear in the history in the P2A
software: Message text_start and Message text_end.

69

4 Transmitter

Shown on the
display

Condensation x x
Values less than

0 % RH
Sensor early warning x
No probe signal x
Watchdog error x
% RH short-circuit x x
% RH sensor broken x x
T short-circuit x x
T sensor broken x x
Heat function

defective
Perform the Confirm message function (acknowledgement of the

alarm via the control keys on the transmitter):

• The message/alarm is no longer shown on the display and the

• If at least one message is assigned to the collective alarm, the

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4

Can be used for
collective alarm5

Additional
message end6

x x

x x

optical alarm goes out, where applicable. If multiple
messages/alarms are active at the same time, all are reset
simultaneously.

collective alarm is reset. If the collective alarm is set on a relay,
the relay is also reset, meaning switched to its neutral position.

70

4 Transmitter

4.5.5. Namur fault conditions

If the faults named in the following table occur, the analog outputs
output special values that enable a general fault warning in the
higher-level control system. The values correspond to the "Namur"

Status

message in

the display

No probe

signal

Wrong probe None Error 21 mA 21 mA 1.1 V 5.5 V 11 V

Values < 0

%RH

Condensation ooooo Overrange 20.5 mA 20.5 mA 1.1 V 5.5 V 11 V

% RH short-

circuit

% RH sensor

broken

T short-circuit ----- Error 21 mA 21 mA 1.1 V 5.5 V 11 V

T sensor

broken

T process low uuuuu Underrange 0 mA 3.8 mA 0 V 0 V 0 V

T process

high

Probe

disconnected

Watchdog

error

Value below

min. scale

Value above

max. scale

Pressure too

high

industry standard.

Display

Class Analog output
value in
display

0 to
20 mA

4 to 20
mA

1 V 5 V 10 V

None Error 21 mA 21 mA 1.1 V 5.5 V 11 V

uuuuu Underrange 0 mA 3.8 mA 0 V 0 V 0 V

----- Error 21 mA 21 mA 1.1 V 5.5 V 11 V

----- Error 21 mA 21 mA 1.1 V 5.5 V 11 V

----- Error 21 mA 21 mA 1.1 V 5.5 V 11 V

ooooo Overrange 20.5 mA 20.5 mA 1.1 V 5.5 V 11 V

None Error 21 mA 3.8 mA 1.1 V 5.5 V 11 V

Previous

Error 21 mA 3.8 mA 1.1 V 5.5 V 11 V
value
stops

Reading Underrange 0 mA 3.8 mA 0 V 0 V 0 V

Reading Overrang e 20.5 mA 20.5 mA 1.1 V 5.5 V 11 V

ooooo Overrange 20.5 mA 20.5 mA 1.1 V 5.5 V 11 V

71

4 Transmitter

Status
message in
the display

Heat function

Display

Class Analog output
value in
display

----- Error 21 mA 21 mA 1.1 V 5.5 V 11 V

defective

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4.6. Maintenance and cleaning

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4.6.1. Maintaining the instrument

We recommend that the adjustment and settings of the transmitter
be checked at regular intervals using the

• User menu (Operation, page 47) or

• P2A software (volume 2, Parameterizing, adjusting and
analyzing software (P2A software), page 113)

Convenient "remote monitoring" of the transmitter can be
implemented, for example by using a relay as a collective alarm
(see Using alarm as collective alarm or not using it at all, page 54)
whose messages are forwarded to a local alarm transmitter (horn,
light) or PLC.

4.6.2. Cleaning the instrument

Integrated humidity probe

The humidity sensor of the integrated humidity probe in particular
must be protected.

The sensors of the integrated humidity probe must not
make contact with cleaning agents, otherwise the
functionality can no longer be guaranteed.

1. Put supplied plastic cap on the integrated humidity probe.

2. Wipe surface of the instrument with mild cleaning agents and a
soft cloth.

3. Remove plastic cap.

72

4 Transmitter

Instrument surface

✓ Integrated humidity probe is protected by the plastic cap.

• Clean the surface of the instrument with mild cleaning agents
(e.g. washing-up liquid) and water. Only use gentle and
standard cleaners.

• Do not use any aggressive or chafing cleaning agents such as
thinner, liquid scouring agent, wax, benzine, concentrated acids
and lyes.

• Carefully rub down the instrument surface with a moist and soft
cloth.

73

4 Transmitter

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4 Transmitter

75

0970 6385 en V01.0 V01.40-1 en-GB Vol1