10 Best Temperature Calibrators of 2025

Tested and Reviewed: Top 10 Temperature Calibrators deals with expert ratings from 8.1 to a perfect 10

July 2025 Edition

Editor's Choice

9.7

Fluke

Fluke 714B Thermocouple Calibrator, Yellow/Brown/Black/Red

Editor's bottom line:

“This temperature calibrators is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Measure and simulate (17) different thermocouple types and millivolts
Measure 4 to 20 mA signals while simultaneously sourcing a temperature signal
Hanging tool designed in and included with every unit
Configurable 0 % and 100 % source settings for quick 25 % linearity checks
Linear ramp and 25% step auto ramp based on 0% and 100% settings

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Picked by 256 people today

9.5

HKNDT

VA710 Thermocouple Calibrator Temperature Calibrator Thermocouple Simulator| Thermocouple Type J, K, T, E, R, S, B, N

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Main Highlights

VA710 Thermocouple Calibrator sources and measures 7 thermocouple type devices (J, K, T, E, R, S, B ,N) or mV (-10mV~100mV)
Large 5 digit LCD with full angel
High accuracy maximum up to 0.3°C and 0.025% for mV
Measure or Simulating a Thermocouple
Ambient temperature compensation and display
Temperature Resolution: 0.1/0.1
Temperature error: ± (0.3+10uV)
Voltage range:-10mV-100mV

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9.5

Triplett

Triplett PCAL100 High Precision Temperature Calibrator - Measurement and Sourcing of Temperature, Voltage, Resistance

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Main Highlights

High Precision: Achieve accurate results with source and measure accuracy up to 0.05%, ensuring reliable data in critical applications
Multi-Sensor Capability: Measure and source 11 thermocouple types and 5 RTD types
Adjustable Temperature Compensation: ensures accurate readings across different environments
Multi-Wire Resistance Measurement: Conduct 2-, 3-, and 4-wire resistance measurements along with thermal resistance (RTD)
Built-in Functions: Flashlight, Auto Power Off, Low Battery Indicator

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9.2

ennoLogic

eC370T Volt mA Thermocouple Loop Process Calibrator by ennoLogic – 0-20V and 4-20mA V/mV/mA and Temperature Signal Generator, Meter and Simulator for Transmitters, Current Loops, and PLC

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Main Highlights

VERSATILE AND ACCURATE VOLT MA THERMOCOUPLE CALIBRATOR: Signal generator, simulator and volt / mA meter for calibrating, testing and repairing milliamp loops, thermocouples, PLC, temperature control and HVAC systems. Easily generate precise test signals for current and voltage devices (mA, mV, V, Celsius and Fahrenheit ranges).
NUMERIC KEYPAD for ease and flexibility in setting output signals configuring options. HOTKEY programming for each numeric key (long-press immediately outputs user-configured voltage, current or temperature signal). RAMP AND LADDER OUTPUT FUNCTIONS can be custom configured. BUILT-IN 24V LOOP SUPPLY lets you power and read a device or transmitter without needing another multimeter. This greatly simplifies testing 2-wire current loops.
MEASURE VOLTAGE OUTPUT SIGNALS from process devices and sensors with two input ranges of 0-100mV (0.01mV resolution, 0.06% accuracy) and 0-20V (1mV resolution, 0.08% accuracy). MEASURE CURRENT TRANSMITTERS within a range of 0 to 24mA with 0.001mA resolution and 0.08% accuracy. MEASURE THERMOCOUPLE TEMPERATURES within a range of -250°C to +1800°C and resolution of ±0.7°C to ±2°C (range and resolution depends on thermocouple type, supported are type K, J, E, T, N, S, R, and B.)
GENERATE PRECISE TEST VOLTAGES, CURRENTS AND SIMIULATED THERMOCOUPLE TEMPERATURE SIGNALS for testing loops, transmitters, data loggers, meters or any devices that measure 4-20mA currents, sensor voltages, or temperatures. Generate voltages in two ranges: 0-100mV (0.01mV resolution) and 0-20V (1mV resolution). Generate currents within a range of 0 to 24mA (0.001mA resolution). Generate thermocouple temperature signals within a range of -250°C to +1800°C (for types K, J, E, T, N, S, R, and B).
The eC370T Volt/mA/TC calibrator is powered by six AAA batteries (included). A windows-based software tool is available for download to control the calibrator with a computer via USB cable. The package includes one eC370T calibrator, 6 AAA batteries, carrying case, test leads, alligator clip adaptors for test leads, Type K thermocouple probe, K-Type thermocouple connector, Mini-USB cable and a detailed user manual.

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9.0

CEM

CEM Dry Block Calibration BX150 Handheld Dry-Well Hi-Temperature Calibrator, Block A, 33°C to 300°C(91.4 to 572℉) Temperature Range, 115V

Main Highlights

The calibrator can operate at very high temperature . Precautions must be taken to prevent personal injury or damage to surrounding objects . probes may be hot when removed from the units and should be placed on a heat resistant surface . The unit may remain hot for several minutes after switching off .Do not switch off if temperatures above +100. Allow to cool before storage .
Caution must be taken when removing probes and inserts from the units . if the unit is set at a high temperature the inserts will be very hot and could cause burns probes and inserts only on a suitable heatproof surface .
Only place temperature probes in dry-block holes . These units are designed to be operated dry . Do not sprinkle and liquid into any of the dry-block holes .
These dry-blocks are designed to be rugged and durable but do contain electronics. Do not operate in dirty , dusty or very damp enviroment or near liquids that could present a hazard from electric shock.
The units are ideal for use in a variety of industrial and process applications .Each unit is supplied with a traceable certification of calibration of calibration showing actual test data , which can be used as part of quality assurance programmes .

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8.8

REED Instruments

REED Instruments BX-500 Infrared Temperature Calibrator, 932°F (500°C)

Main Highlights

For calibrating non-contact infrared thermometers and thermal imagers up to 932 degree F (500 degree C)
Temperature controlled black-body target
Simply set the desired temperature in increments of 0.1 degree
Wide field of view to compensate for optical variations in individual infrared thermometers
Includes power cord and user manual

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8.6

Save 17%

Fluke

Fluke 712B RTD Temperature Calibrator, Yellow/Brown/Black/Red

17% OffFree Shipping

Main Highlights

Measure and simulate (13) different RTD types and resistance
Measure 4 to 20 mA signals while simultaneously sourcing a temperature signal
Hanging tool designed in and included with every unit
Configurable 0 % and 100 % source settings for quick 25 % linearity checks
Linear ramp and 25% step auto ramp based on 0% and 100% settings

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8.3

Chuangkai

CKT3800-650 Touch Screen Dry Block Temperature Calibrator, Dry Type Temperature Calibration Furnace Temperature Range 50℃~650℃

Main Highlights

Note: This product series's input supply voltage is 220V, currently it does not support 110V input voltage, if end user's country use 110V input voltage, need to buy the 110-220V converter or regulator, buyers can buy the converter from us or buy a regulator locally. For 220V input voltage country, no need to buy the converter/regulator.

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Best Value

8.1

Save 24%

Fluke

Fluke 724 Temperature Calibrator

24% OffFree Shipping

Main Highlights

Easy to read dual display lets you view input and output simultaneously
Measure RTDs, thermocouples, ohms, and volts to test sensors and transmitters
Source/simulate thermocouples, RTDs, volts, and ohms to calibrate transmitters
Perform fast linearity tests with 25% and 100% steps
Power transmitters during test using loop power supply with simultaneous mA measurement
Easy to read dual display lets you view input and output simultaneously
Measure RTDs, thermocouples, ohms, and volts to test sensors and transmitters
Source/simulate thermocouples, RTDs, volts, and ohms to calibrate transmitters
Perform fast linearity tests with 25-Percent and 100-Percent steps
Execute remote tests with auto step and auto ramp

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8.1

Fluke

Fluke Calibration 9100S-B-156 HDRC Handheld Dry-Well Hi-Temperature Calibrator, Block B, 35 to 375°C Temperature Range, 115V

Main Highlights

Worlds smallest, lightest and most portable dry-wells
RS-232 interface with 9930 Interface-it v3.81 software

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Our Best Overall Choice

Best Choice

9.7

Fluke

Fluke 714B Thermocouple Calibrator, Yellow/Brown/Black/Red

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Measure and simulate (17) different thermocouple types and millivolts
Measure 4 to 20 mA signals while simultaneously sourcing a temperature signal
Hanging tool designed in and included with every unit
Configurable 0 % and 100 % source settings for quick 25 % linearity checks
Linear ramp and 25% step auto ramp based on 0% and 100% settings

Show Price

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