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Fluke 1523 Reference Thermometer
  • Fluke 1523 Reference Thermometer
  • Fluke 1523 Reference Thermometer
  • Fluke 1523 Reference Thermometer

Fluke 1523 Reference Thermometer

Fluke authorised distributor and calibration house.

Includes: Fluke 1523 Thermometer, NIST traceable certificate of calibration, users guide, CD-ROM (contains technical manual), 12 V dc universal power supply, RS-232 cable, 9940 I/O ToolKit software.

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Please Note: Probes are not included with the basic instrument.

The Fluke 1523 Reference Thermometer from Fluke Calibration measures, graphs, and records PRTs, thermocouples, and thermistors. These thermometer readouts deliver exceptional accuracy, wide measurement range, logging, and trending, all in a handheld tool you can take anywhere.

The Fluke 1523 is a versatile single-channel thermometer that measures, graphs and records three sensor types with one tool. Support for PRTs/RTDs, thermocouples, and thermistors provides flexibility to choose the right probe for the job.

See trends graphically on the 1523 thermometers' 128 x 64-backlit LCD display. You can change the graph’s resolution at the touch of a button. Now it’s easy to see when the temperature is stable, without statistics or long delays, or monitor processes over time to verify correct operation.

Hold readings on the display at the touch of a button, or document up to 25 readings and associated statistics for easy retrieval. Statistics include the average maximum and minimum values, and the standard deviation. View them through the display or by uploading it to a PC via RS-232 connection and 9940 I/O TookKit software, included free.


Calibration, loop checking, plant startup, troubleshooting, maintenance, and repair are some of the varied duties that need a 1523 thermometer. Use it for a handy temperature reference and temperature logger in baths, dry-block calibrators, thermowells, clean rooms, engines, heat exchangers, furnaces, freezers, or anything else that must be calibrated, checked, or maintained.


PRTs: –200 °C to 1000 °C.
Thermocouples –200 °C to 2315 °C.
Precision thermistors: –50 °C to 150 °C.
128 x 64 backlit LCD graphic display.
Plot and scale trends in real time.
Simultaneous dual channel readings.

Fluke 1523 Specifications
Input Channels1.
Logging25 readings with statistics.
Sample interval (normal)1 second.
Sample interval (fast mode)0.3 seconds (see technical manual for details).
Sensor TypesPRTs, RTDs, Thermistors, and Thermocouples.
Thermocouple TypesC, E, J, K, L, M, N, T, U, B, R, S.
Operating temperature-10 ºC to 60 ºC (Best accuracy 13 ºC to 33 ºC).
Environmental conditions for best accuracy13 °C to 33 °C.
Millivolt Range and Accuracy–10 mV to 75 mV ± (0.005 % + 5 μV).
Resistance Range and Accuracy0 Ω to 400 Ω ± (0.004 % + 0.002 Ω)
200 Ω to 50 kΩ± (0.01 % + 0.5 Ω)
50 kΩ to 500 kΩ± (0.03 %).
Temperature Coefficient, Voltage ( –10 °C to 13 °C , +33 °C to 60 °C)± (0.001 %/°C + 1 μV/°C).
Temperature Coefficient, Resistance ( –10 °C to 13 °C , +33 °C to 60 °C)0.0008 %/°C + 0.0004 Ω(0 Ω to 400 Ω)
0.002 %/°C + 0.1 Ω(0 Ω to 50 kΩ)
0.06 %/°C + 0.1 Ω(50 kΩ to 500 kΩ).
Excitation Current, Resistance1 mA (0 Ω to 400Ω)
10 μA (0 Ω to 50 kΩ)
2 µA (50 kΩ to 500 kΩ).
Power requirements3 AA alkaline batteries.
Weight0.65 kg (1.4 lb).
Dimensions (H x W x D)96 x 200 x 47 mm, (3.75 x 7.9 x 1.86 inches).
Fluke 1523 warranty1 year.


Fluke 1523 & 1524 Datasheet

PDF Specifications of the Fluke 1523 & 1524 Reference Thermometers.

Download (921.68k)

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Fluke 1523 Reference Thermometer
Carry case 1523/1524 readout and probe carrying case. 1523-CASE
Hanging kit ToolPak, Meter Hanging Kit. TPAK
Probe Precision Thermistor, Stainless Steel (1/8" x 9"), 0. 5610-9-P
Probe PRT, 100 ohm (3/16 x 6 inch). 5615-6-P
Probe PRT, 25 ohm (1/4 x 12 inch), 90. 5609-9BND-P
Probe Thermocouple, Beaded Type K. 80PK-1

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