Omega TAC80B-J User manual

GENERAL DESCRIPTION
The OMEGA®TAC80B-J, K, T Thermocouple to Analog
Converter can turn any chart recorder, analog or digital
voltmeter into an accurate, wide range temperature
measuring instrument. It is powered by either an internal
9 volt battery or an optional power adapter (TAC80B-AC).
The TAC80B is a universal thermocouple amplifier and
linearizer which provides a precision 1mV/°C or °F signal
for type J, K or T thermocouples. Cold junction compen-
sation is built in. Each unit is supplied with mating con-
nector, standard-to-miniature connector adaptor, and 9V
battery.
UNPACKING
Remove the Packing List and verify that you have
received all items. If you have any questions about the
shipment, call the Customer Service Department. When
you receive the shipment, inspect the container and
equipment for any signs of damage. Note any evidence of
rough handling in transit. Immediately report any damage
to the shipping agent.
NOTE: The carrier will not honor any claims unless all
shipping material is saved for their examination. After
examining and removing contents, save packing material
in the event reshipment is necessary.
INSTALLATION
1. Connect the TAC80B to the strip chart recorder or
meter. The HI plug connects to the HI (+) receptacle
and the LO plug to the LO (-) receptacle.
2. Plug the thermocouple into the SMP socket on the
TAC80B.
OPERATION
CAUTION: When the range switch is in the TEST position
(center), full battery voltage (9V) is applied to the
output. The power switch must be in the OFF position
before switching from °F to °C or vice-versa (see
Figure 1-1).
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Multimeter Use
1. For temperatures less than 200°C or 200°F, set the
multimeter range to 200 mV.
2. For temperatures greater than 200°C or 200°F, set the
multimeter range to 2 V.
Temperature is read directly on the multimeter in °C or °F;
the TAC80B converts the mV signal into a temperature
measurement displayed in °C.
Strip Chart Recorder Use
To use the TAC80B with a strip chart recorder, set the
recorder span to the mV range that corresponds to the mV
output at that temperature to be measured. For example,
to read between 50°C and 150°C, set the range to 100
mV in the CALIBRATE mode and suppress the zero by
50 mV.
NOTE: Output is 1 mV per °C or 1 mV per °F.
SPECIFICATIONS
RANGES: Type J: -4° to 1112°F
(-20° to 600°C)
Type K: -4° to 1832°F
(-20° to 1000°C)
Type T: -4 to 572°F
(-20° to 300°C)
OPERATING
TEMPERATURE: 0° to 50°C
POWER: 9V alkaline
INPUT CONNECTION: SMP connector, standard
to SMP adaptor supplied
OUTPUT CONNECTION: Standard banana plug
or jack
STORAGE TEMPERATURE: 14° to 122°F
(-10° to +50°C)
OUTPUT: 1 mV per °C or °F
ACCURACY: Type J: ±2.6°C, ±4.3°F
Type K: ±3.6°C, ±6.1°F
Type T: ±1.8°C, ±3.0°F
COLD JUNCTION
COMPENSATION: 0.05°C/°C
DIMENSIONS: H: 2.25" (57mm) x
W: 2.4" (71mm) x
D: 1" (25mm)
WEIGHT: 6 oz.
+OUTPUT –
°F °C
Figure 1-1. °C/°F Switch
TAC80B-J, K, T
Thermocouple to Analog Converter
INSTRUCTION
SHEET
M1710/0109
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RoHS 2 Compliant

CALIBRATION
Equipment required: 3-1/2 or 4-1/2 digit multimeter with
±0.1% accuracy, stable voltage source, TRC III Ice PointTM
Cell, TRP (J, K, T) Reference Probe.
Set up the equipment as shown below. Set the Function
Switch to “°C” or “°F” position. Turn power on.
Set voltage source and adjust potentiometers as follows.
Set Voltage Source Adjust for Multimeter Reading
Model TAC80B-J
°C 0.000 mV P1 00.00 mV
33.102 mV P2 600.0 mV
°F 0.000 mV P4 32.00 mV
33.102 mV P3 1112.0 mV
Model TAC80B-K
°C 0.000 mV P1 00.00 mV
37.325 mV P2 900.0 mV
°F 0.000 mV P4 32.00 mV
37.325 mV P3 1652.0 mV
Model TAC80B-T
°C 0.000 mV P1 00.00 mV
14.862 mV P2 300.0 mV
°F 0.000 mV P4 32.0 mV
14.862 mV P3 572.0 mV
Figure 1-2. Potentiometer Locations
DIGITAL MULTIMETER V
COM
A
COM
– +
INPUT
K TYPE
THERMOCOUPLE LEADS
K TYPE
THERMOCOUPLE CONNECTOR
TRC III ICE POINT GENERATOR
SERIES TRP REFERENCE PROBES
COPPER CONNECTOR
COPPER LEADS
100mV 10mV 1mV 100µV 10µV
STABLE VOLTAGE SOURCE
1µV
0 0 4 0 9 5
V
Figure 1-3. Calibration Set-up
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FOR WARRANTY RETURNS, please have the following
information available BEFORE contacting OMEGA:
1. Purchase Order number under which the product was
PURCHASED,
2. Model and serial number of the product under warranty, and
3. Repair instructions and/or specific problems relative to the
product.
FOR NON-WARRANTY REPAIRS, consult OMEGA for current repair
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3. Repair instructions and/or specific problems relative to the
product.
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WARRANTY / DISCLAIMER
OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for a period of 13 months from
date of purchase. OMEGA’s WARRANTY adds an additional one (1) month grace period to the normal one (1) year product
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