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CALOG - TC
The CALOG - TC is a high precision,
multi-functional, hand-held calibrator
suitable for the process control industry. It’s
speciality is thermocouple based
instruments. It measures and sources,
thermocouple, millivolts and milliamps. It
can measure DC Volts and continuity. The
trend feature is ideal for graphing
temperature profiles and PID controller
optimization. It’s small size, long battery life
and high precision make the
CALOG - TC ideal for industrial field or
workshop calibration.
Measures and sources types: J, K, T, E, R,
S, B and N Thermocouples. Configurable
internal or manual cold-junction
compensation, in either °C, °F, Kelvin or
Rankine. Accuracy is better than 0.5°C,
excluding cold junction errors and
thermocouple errors. The CALOG - TC has
a resolution of 0.1°C. Measures and sources
-10 to 100mV with 0.01% accuracy and 1µV
resolution.
It can simultaneously source a thermocouple
and measure mA (isolated). The trend
feature is useful for temperature graphs or
controller optimising.
MEASURING
TC
ANALOGUE INPUT RANGES
0 to 24mA
0 to 32V
-10 to 100mV
Thermocouple types are the K, J, T, B, R, S, E, N.
C(W5) and D(W3) (IEC 584-3).
OR
mA
mV
V
IMPEDANCE
Input impedance ±17W
Input impedance ±110kW
Input impedance > 1MW
Input impedance > 1MW
ACCURACY
0.01%
0.005%
0.01%
0.05%
RESOLUTION
1µA
1mV
1µV
0.1°C
SOURCING
ANALOGUE OUTPUT RANGES
0 to 24mA
-10 to 100mV
Thermocouple types are the K, J, T, B, R, S, E, N.
C(W5) and D(W3) (IEC 584-3).
ISOLATION
Max 100VDC between mV/TC output and mA input circuits
IMPEDANCE
Max load 500W
Min. load 600W
Min. load 600W
ACCURACY
0.01%
0.01%
0.05%
RESOLUTION
1µA
1µV
0.1°C
CALOG Calibrators
The CALOG range of process instrumentation calibrators are designed for servicing, repairs in the workshop and
the plant environment. They are tough, sophisticated precision instruments that are portable, compact and userfriendly.
Robust enough to withstand the rigors of most industrial environments, they are powered by long-life Nickel
metal hydride batteries, monitored by ‘fuel gauges’ and incorporate a clear, back-lit graphic display.
For quick source value set-up, the CALOG uses the “key-per-digit” numeric setting feature that enables the user
to scroll each digit up or down.
The graphic display can be selected to display the measured value or trend with programmable time base.
Features
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Small, rugged, handheld with a protective rubber cover.
Graphic display of measured value, percent and battery status
Contain serial technology components for compact size, accuracy and reliability
Programmable auto-off, restart at last setting and selectable display resolution
NiMH Battery pack, charger, carry case, and test leads supplied as standard
1 year guarantee
Environmental
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Operating temperature range
Storage temperature range
Humidity
0 to +50°C
-20 to +55°C
<85% non-condensing
Mechanical Specifications
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Dimensions (with the boot on)
Dimensions (without the boot on)
Protection
Weight
85 x 155 x 43mm, IP54 rating (dust and splash proof)
77 x 145 x 34mm, IP54 rating (dust and splash proof)
UL 94 V-0 flame retardant ABS plastic with rubber boot
340g
General Specifications
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Display
Keypad
Batteries
Battery life
Error messages
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Over range
Under range
mA loop error
mA loop ohms to high
128 x 64 graphics display with back-lit LCD
16 Key embossed buttons
NiMH battery pack with temperature sensing
Approx. 10 Hours, loop power enabled sourcing 12mA
Approx. 50 Hours, loop power disabled
with audible warning
with audible warning
“loop error” with audible warning
“check loop W” with audible warning
Distributed by
www.calogcalibrators.co.za
Rev 1.0 - 31/01/2006

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