Fluke

Fluke 1594A

Calibration Super-Thermometer, 0.8 ppm
-200 °C to 962 °C (depending on probe type) Temperature Measurement Range
0 Ω to 400 Ω Resistance Measurement Range
Up to 0.0001 Ω resistance resolution Resolution
±0.0025 °C temperature accuracy (with SPRT) Accuracy
SPRTs, PRTs, thermistors, and 4-wire RTDs Probe Compatibility
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Attribute Value
Temperature Measurement Range -200 °C to 962 °C (depending on probe type)
Resistance Measurement Range 0 Ω to 400 Ω
Resolution Up to 0.0001 Ω resistance resolution
Accuracy ±0.0025 °C temperature accuracy (with SPRT)
Probe Compatibility SPRTs, PRTs, thermistors, and 4-wire RTDs
Number of Input Channels 4 input channels (expandable)
Display Color touchscreen LCD display
Communication Interfaces USB, RS-232, IEEE-488 (GPIB)
Power Supply 100 V to 240 V AC, 50/60 Hz
Operating Temperature Range 18 °C to 28 °C (laboratory environment)
Fluke 1594A Options:
  • 1594A - CAL-1594A - Recal With As-Found Data
  • 1594A - 1994 - Verification, Extended Range, 100-500 k Ohms, 1594A
Calibration Form Fluke 1594A

Repair Form Fluke 1594A
Maximum file size: 40MB

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Model1594A

 FLUKE  1594A Calibration Super-Thermometer  

 

The Fluke Calibration 1954A Super-Thermometer stands out as a remarkable instrument designed for precision temperature measurements. It combines the accuracy of complex and expensive bridges with innovative features that simplify the measurement process, making it an excellent value for both primary and secondary laboratories. Capable of calibrating SPRTs, PRTs, and thermistors, the 1954A offers exceptional measurement accuracy, especially in resistance ratio measurements (Rx/Rs), with an accuracy as good as 0.2 ppm for typical thermometry ratios and 0.06 ppm for ratios near unity.

The Fluke 1954A Super-Thermometer internal reference resistors are enclosed in a temperature-controlled oven, ensuring stability and minimizing errors due to changing ambient conditions. Moreover, its low measurement noise, unprecedented measurement speed, and the patent-pending "Ratio Self-Calibration" feature empower metrologists to verify and maintain instrument performance easily. With user-friendly calibration functions and the ability to calculate the effects of self-heating, the 1954A Super-Thermometer is a versatile and powerful tool for precision temperature measurements.

 

Specifications for the  FLUKE  1594A Calibration Super-Thermometer Include:

Input Resistance Range 0 to 500 kΩ
Display Resolution 0.1 to 0.000001
Sample Periods (seconds) 1,2,5, and 10
Ratio Range 0 to 10

 

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