Digi-Sense J, T, K Instruction Manual

Instruction Manual

Single-Input

Single-Input

Thermocouple

Thermometers

Thermocouple

T

ype J

, K,

T

Thermometers

Type J, K, T

68X001351 Rev0 0717 1065DGMAN_91428-00,-01,-02

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T

A

BLE OF CONTENTS

1. INTRODUCTION .................................... 1

2. SAFETY PRECAUTIONS ....................... 2

3. SPECIFICATIONS .................................. 3

4. BATTERY INSTALLATION

AND REPLACEMENT ............................ 5

5. INSERTING AND REMOVING

RUBBER ARMOR .................................. 6

6. ASSEMBLING OPTIONAL

HANDS-F R EE ACCES O R IES ................ 7

7. SELF TEST ............................................ 8

8. CONNECTING A THERMOCOUPLE ...... 8

9. KEY FUNCTIONS ................................. 10

10. DISPLAY OVERVIEW .......................... 11

11. SELECTING TEMPERATURE SCALE . 12

12. HOLD FUNCTON ................................. 12

13. MIN AND MAX FUNCTION ................... 13

14. AUTO OFF FUNCTION ........................ 13

15. CALIBRATION ...................................... 13

16. CANCELIN G A FIELD

CALIBRATION ...................................... 14

17. FIELD CALIBRATION LOCKOUT

AND RE-ENABLE ................................. 15

18. MAINTENANCE .................................... 16

19. CLEANING ........................................... 16

20. BATTERIES .......................................... 16

21. TROUBLESHOOTING .......................... 17

22. ACCESSORIES .................................... 18

23. WARRANTY ......................................... 20

24. PRODUCT RETURN ............................ 20

25. INNOCAL® CALIBRATION AND

REPAIR SERVICES ............................. 21

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1. INTRODUCTION

This versatile handheld
instrument provides
highly accurate
temperature
measurements. The
instrument is designed
for easy operation and
includes the following
features:

x Operator select ion of Celsiu s

or Fahrenheit scale

x Resolution of 0.1°C/F from

–199.9 to 999.9°

x Large backlit LCD with two lines

of four-digit display

x Hold feature for temporarily

retaining a reading

x Displays Min and Max readings
x

Field calibration capability

x

Disabling of Auto-Off function

x Low-battery warning
x Two-blade female ANSI mini-

connector input

x Operates with a wide selection

of probes

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Weak batteries should not be left in
the instrument. Dead batteries can

2. SAFETY PRECAUTIONS

WARNING:

1. This instrument is designed to

accept low level signals sup pli ed
by standard thermocouples. Under
NO circumstances should the input
voltage exceed the speci fied 50V
RMS.

2. To prevent ignition of a hazardous

atmosphere, batterie s must only be
changed in an area known to be
nonhazardous.

CAUTION:

1. Do not use or store this instrument

in microwave ovens or any
abnormally hot or cold areas.

2.

leak and cause damage to unit.

DANGER:

1. Voltages present at the

thermocouple may also be present
at the battery terminals. Always
disconnect the thermocouple
when changing batteries.

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Type

Temperatur e range

T

–210°C to 1200°C

(–346°F to 2192°F)

T

–250°C to 1372°C

(–418°F to 2501°F)

T

–250°C to 400°C

(–418°F to 752°F)

3. SPECIFICATIONS

Thermocouple Thermometers

ype J

ype K

ype T

ra

Out-of-

nge display: - - -

Resolution:

0.1°/1° auto-ranging,

0.1°C/F from –199.9 to 999.9°,

1°C/F outside this range
Accuracy:

Below –150°C (–238°F):

-

±0.25% of reading ±1°C (±2 °F)
Above –150°C (–238°F):

±0.1% of reading ±0.4°C (±0.7°F)
Display:

Backlit LCD of viewing area 58 x 40mm

Min/Max function:

Yes

Auto Off (after 17.5 minutes):

Enable/disable option available

Stability criteria:

Yes, upon stability of 5 seconds

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1/A1: 1998 (EU EMC Directive)

Display update

0.5

sec per up

rate:

date

t:

Inpu

O

ne thermocouple with

ANSI

conn

Inpu

50V

t

protection:

rms

Storage:

–40°C to 65°C (–40°F to 149°F)

Humidity:

10% to 90% RH (noncondensing)

Battery life:

ector

Size: Three AA, 1.5V; alkaline
Life: 750 hours continuous, typical,

(without backlighting)

Dimensions:
Without armor:

175mm (L) X 97mm (W) X 42mm (H)

With armor:

180mm (L) X 102mm (W) X 52mm (H)

Weight with batteries:
Without armor: 267g
With armor: 362g

Ingress protection:

Meets IEC-529 IP-54 for dust and water
resistant enclosures (probe attached)

CE Compliance

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4. BATTERY INSTALLATION AND

REPLACEMENT

The total battery life without
backlighting is about 750 hours.
Each bar of the battery annunciator
represents 200 hours. A blinking
empty battery annunciator indicates
150 hours remaining.

Selected settings are stored in
memory and will remain in memory
even after power is turned off, or
while batteries are being replaced.

1. Before changing ba ttery, turn
instrument off and disconnect
thermocouple.

2. Loosen screw and lift battery
cover off back of case.

3. Remove the three AA batteries.

4. Insert three new batterie s
observing polarity.

5.

Install cover and tighten screw.

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5. INSERTING AND REMOVING
RUBBER ARMO R

1. To insert thermometer into the
optional rubber armor, slide in from
the top of meter before pushing the
bottom edges of meter down to set
it into position. Lift up the stand at
the back of meter for bench top
applications if necessary.

2. To remove thermometer from
armor, push out from the bottom
edges of meter until it is completely
out of boot.

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6.

ASSEMBLING OPTI O NAL
HANDS-F RE E ACCE S ORI ES

You can use the optional magnets and
strap in the Hands-Free Kit accessories
for hands-free operations.

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coded by type using the North

7. SELF TEST

Press the on/off key. The meter
performs a self-test and all display
digits and indicators, should remain
on for approximately one second.
The thermometer will then display
the thermocouple type and resume
to the measurement mode.

8. CONNECTING A
THERMOCOUPLE

Use the correct thermocouple type for
your instrument. Using an incorrect
thermocouple type will result in
erroneous readings. Thermocouples
are color
American ANSI Color Code as follows:

TYPE COLOR
J

Black
K Yello
T Blue

Thermocouple connectors have one
wide blade and one narrow blade.
Do not force connector in backwards.
Connect thermocouple to receptacle
at top of instrument as shown in the

w

following illustr atio n:

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thermocouple

Thermocouple wiring polarity must be
correct. If readings decrease as the
temperature increases, the
wires may be reversed. The red wire is
negative for thermocouple wires
manufactured in North America.

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Toggle

Celsius or

Fahrenheit

Activates Calibration mode
for
(after

enabled).

Activates/deactivates
freezing of the measured
reading while in
measurement mode.

Activates/deactivates display
of
maximum r

Powers on and shuts off the
thermo

by holding it for
3 seconds
activates
backlight display. (Backlight
will automatically turn
within
activation

9. KEY FUNCTIONS

°C/°F

hold

max

cal

min

between

.

0°C offset calibration

field calibration

the minimum and

eadings.

meter

on/off

light

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. Otherwise, it

/deactivates the

off

30 seconds of

).

°C/°F

Celsius or Fahrenheit indicator.

MIN

Minimum reading annunciator.

MAX

Maximum reading annunciator.

3 Bars : < 750 hours
2 Bar
1 Bar
Blinking: < 150 hours

CAL

Blinks during calibration mode.
Remains in display
field calibration is active.

HOLD

Remain in display during hold
mode.

STABLE

Displayed upon recognizing
final value.

Err CAL

Error indicator on main digit
display Indicates calibration error
due to out of tolerance value.

10. DISPLAY OVERVIEW

s : < 550 hours

: < 350 hours

indicating

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Switching

be done at any

If a thermocouple is not connected or if
the thermocouple is defective, the
display will indicate “OPEn”.

Thermocouples are sensitive at the tip
or measuring junction. When taking
measurements, allow time for the
reading to stabilize. Multiplying the time
constant of the probe by 5 will give you
the approximate time required.

11. SELECTING TEMPERATURE
SCALE

Select °C or °F by pressing the °C/°F
key. Each time the key is pressed the
temperature scale will switch.
between °C and °F can
time during operation.

Each time you turn the instrument on,
it will power up with the same settings
that were set when the unit was last
turned off.

12. HOLD FUNCTON

Press
reading on

the

hold key

the

displa

to

y.

retain

Press

the

the

hold key again

for

normal ope

ration.

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continually displaying every temperature

13. MIN AND MAX FUNCTION

Press the min/max key to toggle
between the minimum and ma ximum
readings. This function is ideal for
monitoring unattended operations while

change that occurs. The minimum and
maximum values are sensed and
automatically stored.

To exit and clear this function, press
the min/max key for 3 seconds.

14. AUTO OFF FUNCTION

The thermometer has a default auto off
function of 17.5 minutes.

To deactivate this function, press and
hold the min/max key while turning on
the meter using the on/off key.

“A.OFF nO” will appear indicating that

the auto off function is disabled.

15. CALIBRATION

The thermometer is factory calibrated
and does not require calibration before
use. The Calibration function allows
single-point calibration of the meter at
0°C (32°F) to compensate for
thermocouple offset error. It is NOT
necessary to perform a field calibration
to obtain specified meter accuracy.
Use the field calibration feature to

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displayed reading is outside the above

improve thermometer/probe accuracy or
to compensate for thermocouple drift.

1. Pack sensing end of probe in a

container tightly packed with
crushed ice and filled with distilled
water. Allow temperature to
stabilize.

2. Press and hold the cal key for

3 seconds to enter the calibration
mode, the CAL annunciator on the
display starts blinking. Release
the cal key.

3. If the measured temperature is from

–

10 to 10°C (14 to 50°F), when

temperature reading is stable,

the
press the cal key.

The CAL indicator will stop blinking
and the reading will be set to 0°C
(32°F). The CAL indicator will remain
turned on, indicating a field cal ibrati on
is active.

If “Err CAL” is displayed, either the
limits or the batteries are weak.

16. CANCELING A FIELD
CALIBRATION

1. Turn the thermometer off.

2. Hold the cal key down while

pressing the on/off key. The field
calibration is cancelled and the
thermometer reverts to the default
factory calibration. The CAL
annunciator is now turned off.

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17. FIELD CALIBRATION LOCKOUT
AND RE-ENABLE

The calibration lockout feature prevents
any field calibration changes. The
lockout remains in effect until a lockout
re-enable has been perform ed . Use the
following procedures to lockout or re­enable the field calibration operation.

LOCKOUT PROCEDURE

1. Turn the thermometer off.

2. Simultaneously press and hold

the cal and the °C/°F keys down and
momentarily press the on/off key.
Continue to hold the cal and °C/°F
keys
displayed.

until the measurement mode is

AB

RE-EN

LE PROCEDURE

1. Turn the thermometer off.

2. Simultaneously press and hold

the hold and the cal keys down and
momentarily press the on/off key.
Continue to press the hold and cal
keys until the measurement mode is
displayed.

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solvents.

ION

18.

MAINTENANCE

Properly used, the thermometer should
maintain calibration indefinitely and not
require service other than occasio nal
cleaning of the housing and changing
of the batteries.

19. CLEANING

WARNING:

TO PREVENT IGNITION OF A

M

HAZARDOUS AT

LEC

E

TROSTATIC DISCHARGE,

OSPHERE BY
CLEAN WITH DAMP CLOTH.
Do not clean with abrasives or

Use mild detergents, never immerse
nor use excessive fluid.

20. BATTERIES

If there is no display when the
thermometer is turned on, check
condition of the three AA batteries.
Also check that the battery ter minals
are clean and batteries are properly
installed. If replacement is necessary,
refer to the BATTERY INSTALLAT
AND REPLACEMENT section for
replacement procedur e.

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FAULT

ACTION

NO
Display

Check condition of batteries.
Check that batteries are
inserted properly.

Display
shows

- -

- -

Out of range indication.

Display
Shows

OPEN

No thermocouple connected in
the

connector.

Display
Shows
Err

If display shows this message
other than during the field
calibration mode, please return
the instrument for servicing.

21. TROUBLESHOOTING

The following chart lists the most
probable faults. There are no internal
adjustments or user-replaceable parts.

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22.
Digi-Sense

ACCESSORIES

Replace m

ent Me

ters

Type J 91428-00
Type K 91428-01
Type T 91428-02

Accessory Thermocouple Probes

Cole-Parmer offers a wide variety of
thermocouple probes, wire, connectors,
extension cables, switch boxes,
accessories, and cal ibra tion serv ices .

General-purpose probes, 5 in. long x

0.156 in. dia with 0.093 in. dia tip.
3-second time constant.

Type J 08517-55
Type K 08516-55
Type T 08500-55

Penetration probes, 4 in. long x

0.156 in. dia sharp tip.
5-second time constant.

Type J 08517-65
Type K 08516-65
Type T 08500-65

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Surface probes, 10 in. long with
5/8 in. dia aluminium and ceramic tip.
6-second time constant.

Type J 08517-60
Type K 08516-60
Type T 08500-60

Air/gas probes, 8.5 in. long sheath
with 1/4 in. dia radiant heat shield.
45-second time constant.

Type J 08517-75
Type K 08516-75
Type T 08500-75

Accessory Hands-Free Kit

Cole-Parmer offers the Hands-Free Kit
accessory that includes two magnets
and a strap for hands-free operations.

Hang your meter using the magnets
behind the armor, or attach onto a pipe
using the strap that can also be used
for handgrip.

Hands-Free Kit 35427-85

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the warranty period,

within or outside of the warranty period.

23.

WARRANTY

The Manufacturer warrants this
product to be free from significant
deviations from published
specifications for a period of three
years. If repair or adjustment is
necessary within
the problem will be corrected at no
charge if it is not due to misuse or
abuse on your part as determined
by the Manufacturer. Repair costs
outside the warranty period, or those
resulting from product misuse or
abuse, may be invoiced to you.

24. PRODUCT RETURN

To limit charges and delays, contact
the seller or Manufacturer for
authorization and shipping instructions
before returning the product, either

When returning the product, please
state the reason for the return. For
your protection, pack the carefully and
insure it against possible damage or
loss. The Manufacturer will not be
responsible for damage resulting from
careless or insufficient packing.

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Our substantial inventory of replacement

25. INNOCAL® CALIBRATI ON AND

REPAIR SERVICES

Optimum performance of your
temperature-measuring instrument is
not a timeless condition. To ensure
quality measurements, have your
instrument calibrated regularly. Trust

®

InnoCal
equipment repair needs. With over a
decade of service, we've helped
thousands of customers meet ISO,
FDA, EPA, GLPs/cGMPs and other
quality standards.

to satisfy your calibration and

Conformity*

ISO/IEC 17025:2005 accredited
NIST Handbook 150, 2000 Edition
ANSI/NCSL Z540-2-1997
NIST Technical Note 1297
ISO 9000:2000

Fast Service

parts ensures a fast turnaround and
prevents cost ly down ti me. M ost
instruments ser v i ced in five business
days!

Excellent Value

Get quality at a fair price. Our InnoCal
NIST-traceable certificates offer
extensive test data on a broad range of
measurement parameters without
breaking the bank!

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Reliable Support

Trust in our free diagnostic support and
troubleshooting adv ice . Our factory­trained metrologists and technicians
are armed with years of experience and
extensive technical data.

Convenient Reminders

It’s so easy to keep your instruments

functioning properly. Based on your
requirements, InnoCal will send you
a reminder when it’s time to re-certify
or service your instrument.

We provide you with the documentation
you need to meet your most stringent
quality requirement s for the control of
inspection, measuring, and test
equipment.

Certification includes certificate of
calibrat io n with test data, including :

● Description and identification of
the item certified

● Condition of the item

● Issue date

● Identification of calibration procedure

● Calibration date

● As found/as left test data (where

applicable)

● Signature of technician

● Statement of estimated uncertainty

● List of equipment used to perform

calibration (including their calibration
dates)

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With today's high quality standards such
increasingly important. Traceability is not

accuracy possible. When you have your
calibration done by InnoCal, we will send

point measurement uncertainty,

as ISO 9000, certification is becoming
a timeless condition. It must be verified

and maintained over the life of the
calibration to ensure the highest

you an automatic reminder when it is
time to recalibrate your instrument.

Are your calibration certificates
good enough?

InnoCal surpasses the competition by
providing the most complete certificates
as required by NIST. All of our
certificates inclu de mea sure d data and
point-by-

and by request, we’ll provide test

accuracy and test uncertainty ratios at
no extra cost. Call us today and see
why InnoCal is The Choice of Quality.

*See our Scope of Accreditation for
any limitations.

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Calibration
test point s
against
NIST

-

traceable
standard s

Meter
only

Probe
only

System
(meter +
probe)*

Four test points
across range of
instrument.
Meters:

2316°C
4200°F);

Probes &
Systems:

80 to 1000°C
(
1832°F).
Actual range is
dependent on
type of probe

17000-10

17001-10

17002-10

–270 to
(–454 to

–

–112 to

InnoCal—The Ch oi ce o f Qu al i ty

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