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testo 315-4 · CO ambient measuring instrument
Instruction manual
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1 Contents
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1 Contents
1 Contents ................................................................................................... 3
2 Safety and the environment .................................................................... 4
2.1. About this document ........................................................................ 4
2.2. Ensure safety ................................................................................... 4
2.3. Protecting the environment .............................................................. 5
3 Specifications .......................................................................................... 6
3.1. Use .................................................................................................. 6
3.2. Technical data ................................................................................. 6
3.2.1. Measuring ranges and resolution ..................................................................... 6
3.2.2. Accuracy and response time ............................................................................ 6
3.2.3. Other instrument data ...................................................................................... 6
4 Product description ................................................................................. 8
4.1. Overview.......................................................................................... 8
4.1.1. Control elements and connections ................................................................... 8
4.1.2. Display ........................................................................................................... 11
4.2. Basic properties ............................................................................. 12
5 First steps .............................................................................................. 12
6 Using the product .................................................................................. 13
6.1. Performing settings ........................................................................ 13
6.2. Measuring ...................................................................................... 14
6.3. Printing measurement results ........................................................ 15
7 Maintaining the product ........................................................................ 16
8 Tips and assistance ............................................................................... 17
8.1. Questions and answers ................................................................. 17
8.2. Calibration interval ......................................................................... 18
8.3. Accessories and spare parts ......................................................... 18
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2 Safety and the environment
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2 Safety and the environment
2.1. About this document
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
product.
Symbols and writing standards
Representation
Explanation
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 Elements of the instrument, the instrument displays
or the program interface.
[OK] Control keys of the instrument or buttons of the
program interface.
✓ ...
Handling prerequisite
2.2. Ensure safety
> Only operate the product properly, for its intended purpose and
within the parameters specified in the technical data. Do not
use any force.
> Dangers may also arise from the systems being measured or
the measuring environment: Note the safety regulations valid in
your area when performing the measurements.
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2 Safety and the environment
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> Do not perform contact measurements on non-insulated, live
parts.
> Do not store the product together with solvents. Do not use any
desiccants. These substances may impair the operation and
reliability of the instrument.
> 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 Testo.
> Temperatures given on probes/sensors relate only to the
measuring range of the sensors. Do not expose handles and
feed lines to any temperatures in excess of 70 °C unless they
are expressly permitted for higher temperatures.
2.3. Protecting the environment
> Dispose of faulty rechargeable batteries/spent batteries in
accordance with the valid legal specifications.
> At the end of its useful life, send the product to the separate
collection for electric and electronic devices (observe local
regulations) or return the product to Testo for disposal.
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3 Specifications
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3 Specifications
3.1. Use
The testo 315-4 is a convenient and robust measuring instrument
for recording ambient CO values. It is used for risk prevention.
Fields of application are, for example
- Heating systems with operation dependent on ambient air
- Ventilation systems
3.2. Technical data
3.2.1. Measuring ranges and resolution
Measurement
parameter
Measuring range Resolution
CO 0 to 100 ppm 0.5 ppm
Humidity1 5 to 95% RH 0.1% RH
Temperature1
-10 to +40 °C/14 to
104 °F
0.1 °C/°F
3.2.2. Accuracy and response time
Measurement
parameter
Accuracy Response time
CO ± 3 ppm to 20 ppm
± 5 ppm from 20 ppm
< 120 s (t90)
Humidity1 ± 2.5% RH (5 to 95% RH)
Temperature1 ± 0.5 °C (+ 1 digit)
3.2.3. Other instrument data
Feature Values
Storage/transport
conditions
-20 to 60 °C/-4 to 140 °F
0 to 95% RH
Operating conditions 0 to 40 °C/32 to 104 °F/0 to 95% RH
1
Only when the humidity/temperature sensor is connected (optional)
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3 Specifications
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Feature Values
Weight including
holster
Approx. 382 g
Housing material ABS
Dimensions (L x W x
H)
190 x 65 x 40 mm
Protection class IP 40 acc. to EN 60529
Rechargeable battery
life
Typically 50 h measuring time (at
20 °C/68 °F), mains operation possible
Display Segment display
Supported printer 0554 0549/0554 0547
License acc. to EN 50543
Warranty
Instrument: 24 months
Rechargeable battery: 12 months
CO sensor: 12 months
Warranty terms: see website
www.testo.com/warranty
EU guideline 2014/30/EU
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4 Product description
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4 Product description
4.1. Overview
4.1.1. Control elements and connections
1 Connection for temperature/humidity module (optional)
2 Report printer IR interface
3 CO sensor module
4 Display
5 Keyboard
6 Reset button (back)
7 USB mains unit socket
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4 Product description
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Temperature/humidity module option
8 Temperature/humidity sensor
9 Connection for temperature/humidity module
Keyboard functions
Key Duration Status Function
Short
Reading display • Holds readings
• Displays maximum
values
• Displays minimum
values
• Displays current
values
Configuration
mode
Confirms entry, next
setting
Long
Reading display
(current value)
Opens configuration
mode
Reading display
(maximum
value/minimum
value/hold value)
Resets maximum
value, minimum value,
hold value
Configuration
mode
Exits configuration
mode (changes are
stored)
Short
Instrument is off
Switches instrument
on
Instrument is on
Switches on display
illumination/switches
off display illumination
The display
illumination
switches off
after 3 minutes
if no keys are
pressed.
Long
Instrument is on
Switching the
instrument off
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4 Product description
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Key Duration Status Function
Short
Reading display,
only if humidity
module is
connected
• Displays humidity
and temperature
• Displays dew
point/temperature
• Displays CO
Configuration
mode
Changes
option/increases value
Long
Reading display
Sets zero
point/deletes zero
point
Configuration
mode
Increases value
quickly
Short
Reading display Prints data
Configuration
mode
Changes
option/decreases
value
Long
Configuration
mode
Decreases value
quickly
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4.1.2. Display
1 Status information
Icon Function
Battery capacity: 100% / 66% / 33% / <10%
Micro USB mains unit is connected
Alarm off, alarm on
Flashes: the alarm threshold is exceeded
not used
Data transfer enabled
Lights up: Note
Flashes: Error message
Differential measurement
2 Measurement functions
3 Display of CO reading, humidity, dew point, date (day and
month), hours and minutes, measurement parameter
4 Temperature, year, measurement parameter
5 Settings
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5 First steps
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4.2. Basic properties
Power supply
Power is supplied to the instrument via:
• Rechargeable battery, type: Li-Po rechargeable battery pack,
3.7 V/1500 mAh (can be replaced via Testo-Service)
• USB mains unit including cable (0554 1105), 5.0 V/1000 mAh
With an attached mains unit, power is supplied automatically via
the mains unit and the instrument's rechargeable battery is
charged. To avoid destroying the rechargeable battery, only charge
it at an ambient temperature of 0 to 45 °C/32 to 113 °F.
5 First steps
Switching on
Connect the humidity/temperature module (0636 9725)
before switching the instrument on (option).
1. Switch instrument on: press [ ] briefly.
- All segments of the display light up for around 1 sec.
- The warm-up phase then occurs for 30 s. (information in
display: warm-up).
During first commissioning, the configuration menu is
opened automatically, see Settings.
- The current readings are displayed. The instrument is
operational.
The CO sensor reading is displayed in the top line.
Switching off
2. Switch off the instrument: press and hold down [
].
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6 Using the product
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6 Using the product
6.1. Performing settings
Open configuration menu
✓ The instrument is in measurement view.
> Open configuration menu: press and hold down [
] until
configuration mode appears.
Selecting, opening and setting functions
> To select the next function: press [
] / [ ] briefly.
> To enable the selected function: press [
] briefly.
> To adjust the open function: press [
] / [ ] briefly.
> To cancel the function: press [
] briefly until the display
changes.
Adjustable functions
Ensure correct settings: all settings are transferred
immediately. There is no Cancel function.
Settings and display of temperature and humidity are only
possible if the humidity module was connected before
switching on.
Function Setting options/comments
alarm off or on
on selected:
• Enable/disable acoustic signal
• Set CO limit value
auto-off off or on
on selected:
Set value
date
Set year, month, day
time
Select off or on
Select 24h or am or pm format, set hours and
minutes
unit temp./dewpoint: °F, °C/°Ftd, °Ctd
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6 Using the product
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Function Setting options/comments
calibration
humidity
yes or no
yes selected:
Humidity values are aligned to the alignment
points 11.3% RH and 75.3% RH and saved.
To adjust to the alignment points, use
the testo Control and alignment set
for humidity sensors (0554 0660).
> Cancel configuration menu: press and hold down [ ] until the
configuration mode display switches to the measurement
view.
6.2. Measuring
✓ Instrument is switched on.
- Display of the current CO reading.
Switching to humidity, temperature and dew point value is
only possible if a humidity/temperature module is
connected.
> Display humidity and temperature value: press [ ] briefly.
> Display dew point: press [ ] briefly.
Delta measurement
✓ Instrument is in measurement view.
> Call up Delta measurement menu: press [
] until the display
changes.
- Delta measurement is carried out ([ ] lights up). The current
readings are zeroed as a reference.
> To cancel the function: press and hold down [ ] until the
display switches to the measurement view.
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6 Using the product
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Hold/Max/Min
✓ Instrument is in measurement view.
The readings for Hold/Max/Min can be called up for:
• CO
• Temperature and humidity (if temperature and humidity module
is connected)
• Dew point (if temperature and humidity module is connected)
> Call up Hold function: press [
] briefly.
- The current readings are held.
> Call up Max function: press [
] briefly.
- The maximum readings are displayed.
> Call up Min function: press [ ] briefly.
- The minimum readings are displayed.
> Set Hold/Max/Min values to the current value: press and hold
down [
].
- Readings flash several times and are updated.
6.3. Printing measurement results
✓ Instrument is switched on.
> Call up Print function: press [
] briefly.
- The data is transferred to the printer via the IrDA interface.
- [
] lights up.
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7 Maintaining the product
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7 Maintaining the product
Charging the rechargeable battery
1. Connect the mains unit connector to the instrument's micro
USB socket.
2. Connect the mains plug to the mains socket.
The charging process will start automatically. Charging is indicated
by a change in the battery icon segments. lights up when the
battery is fully charged.
Cleaning the instrument
> Do not use any aggressive cleaning agents or solvents! Mild
household cleaning agents and soap suds may be used.
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8 Tips and assistance
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8 Tips and assistance
8.1. Questions and answers
v
Question Possible causes/solutions
flashes and E145
lights up
The instrument temperature is outside
the permissible range:
> Let the instrument warm up or cool
down.
flashes and E161
lights up
or
flashes and E419
lights up
or
flashes and E999
lights up
A serious error has occurred:
> Contact your dealer or the Testo
Customer Service.
flashes
Battery capacity too low
> Connect the mains unit.
and flash,
E401 lights up
Rechargeable battery is empty,
instrument will soon switch off
automatically.
> Connect the mains unit (the warning
can be deleted with
[Hold/Max/Min]).
and flash
Recharging the battery is impossible:
> Contact your dealer or the Testo
Customer Service.
Can the battery be
replaced?
The battery cannot be replaced.
> Contact your dealer or the Testo
Customer Service.
Can the battery be
charged via the USB
port of a laptop or
PC?
The battery cannot be charged.
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8 Tips and assistance
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Question Possible causes/solutions
Can humidity,
temperature and dew
point measurements
be carried out?
Humidity, temperature and dew point
measurements are possible with the
temperature/humidity module
(accessory).
The display
illumination remains
on after the
instrument has been
switched off
The display illumination goes out as
soon as the instrument has shut down.
While the display is illuminated, the
instrument cannot be switched on.
If we could not answer your question or the solutions given during
troubleshooting did not help: please contact your local dealer or the
Testo Customer Service. For contact data, see the back of this
document or website www.testo.com/service-contact
8.2. Calibration interval
Testo recommends that calibration of the measuring instrument is
carried out once a year by Testo Customer Service or a service
centre authorized by Testo.
8.3. Accessories and spare parts
Description Article no.
testo 315-4 (including micro USB mains unit,
cable USB A - USB micro B)
0632 3155
Temperature/humidity module 0636 9725
Topsafe 0516 0221
USB mains unit including cable 0554 1105
Basic printer 0554 0549
Spare printer paper (6 rolls) 0554 0568
Control and calibration set for humidity sensors
(11.3% RH and 75.3% RH)
0554 0660
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0970 3154 en 01 V 01.00
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