Fluke 1523-CAL Handheld Thermometer Readout, Accredited, 25-Reading Memory


With a memory that holds up to 25 readings, this handheld thermometer readout uses the process of current reversal to eliminate thermal EMFs when achieving precision temperature measurements. Current reversal is a common technique used in high-end instruments.

SKU: 1523-CAL Category:


Fluke 1523-CAL Offers

This thermometer readout delivers exceptional accuracy, wide measurement range, logging and trending, all in a handheld tool you can take anywhere.


Single-channel standard model with memory for 25 readings and statistics
3 sensor types: PRTs -328 to 1,832?F (-200? to 1000?C), thermocouples -328 to 4,199?F (-200? to 2315?C) and precision thermistors -58 to 302?F (-50? to 150?C)
Accuracy: PRTs: ?0.011?C; thermocouples: ?0.24?C for J, K, L and M; precision thermistors: ?0.002?C
Fast mode: PRTs: 0.45 seconds per sample; thermocouples: 0.3 seconds per sample; precision thermistors: 0.3 seconds per sample
Graphical display: 128 x 64 backlit LCD graphic display, plot and scale trends in real time and simultaneous dual-channel readings

Fluke 1523-CAL Specifications

Input Channels

25 readings with statistics

Sample Interval (Normal)
1 second

Sample Interval (Fast Mode)
0.3 seconds (see technical manual for details)

Sensor Types
PRTs, RTDs, thermistors, thermocouples

Thermocouple Types
C, E, J, K, L, M, N, T, U, B, R, S

Operating Temperature
14 to 140?F (-10 to 60?C) (best accuracy 55.4 to 91.4?F (13? to 33?C))

Power Requirements
3 AA alkaline batteries

3.75 x 7.9 x 1.86in (96 x 200 x 47mm)

Environmental Conditions For Best Accuracy
55.4 to 91.4?F (13 to 33?C)

Millivolt Range And Accuracy
-10 to 75mV ?(0.005% + 5?V)

Resistance Range And Accuracy
0 to 400? ?(0.004% + 0.002?); 200 to 50k? ?(0.01% + 0.5?); 50 to 500k? ?(0.03%)

Temperature Coefficient, Voltage (-10? to 13?C, +33? to 60?C)
?(0.001%/? + 1?V/?C)

Temperature Coefficient, Resistance (-10? to 13?C, +33? to 60?C)
0.0008%/?C + 0.0004? (0 to 400?); 0.002%/?C + 0.1? (0 to 50k?); 0.06%/?C + 0.1? (50 to 500k?)

Excitation Current, Resistance
1mA (0 to 400?); 10?A (0 to 50k?); 2?A (50 to 500k?)


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