Thermometry bridge accuracy combined with time-saving features
The Fluke Calibration 1594A and 1595A Super-Thermometers combine the accuracy of complex and expensive bridges with innovative features that simplify measurement processes and provide excellent value. They are accurate enough for the primary lab and economical enough for the secondary lab. With temperature-controlled internal reference resistors, six input channels, a large graphical display, and a multitude of temperature-specific measurement functions, PRT, thermistor and SPRT calibration (0 Ω to 500 kΩ) has never been so easy and economical. And with the built-in Ratio Self-Calibration function, you can verify or calibrate the Super-Thermometer's ratio accuracy in-house with the press of a button-no other single thermometry bridge can do so much, so well!
Super-Thermometer features at a glance
Calibrate SPRTs, PRTs, RTDs and thermistors (0 Ω to 500 k Ω)
Accuracy as good as 0.06 ppm (0.000015 °C)
"Ratio Self-Calibration" verifies and calibrates resistance ratio accuracy
1594A / 1595A Temperature Measurement Noise - Typical Performance (standard error of the mean, °C)2
25Ω SPRT at 0°C
0.00002
25Ω SPRT at 420°C
0.00006
100Ω PRT at 0°C
0.00001
100Ω PRT at 420°C
0.00003
Thermistor at 25°C
0.000003
1594A / 1595A Measurement Current Accuracy (self-heating)
0.001 mA to 0.005 mA
0.00005 mA
0.005 mA to 0.02 mA
1 %
0.02 mA to 0.2 mA
0.5 %
0.2 mA to 2 mA
0.2 %
2 mA to 20 mA
0.5 %
1594A / 1595A Mechanical Specifications
Weight
7.5 kg (16.5 lbs)
External Width x Height x Length
432 mm x 153 mm x 432 mm (17 x 6 x 17 inches)
1594A / 1595A Operating Specifications
AC power requirements
100V to 230V ±10%, 50/60Hz
Specified operating temperature
15°C to 30 °C
Max operating temperature
5°C to 40 °C
Storage temperature
0°C to 40 °C
Operating relative humidity, 5°C to 30°C
10% to 70%
Operating relative humidity, 30°C to 40°C
10% to 50%
Storage relative humidity
0% to 95%, non-condensing
Operating altitude
3000 m
Warranty period
1 Year
Report of Calibration3
NVLAP accredited
1Two second sample rate required for full accuracy
2Due to the subjective nature of measurement noise, it is not a guaranteed specification
3The standard Report of Calibration includes resistance data from 1 Ω to 100 kΩ. A Report of Calibration may be ordered if resistance data from 100 kΩ to 500 kΩ is desired (see model numbers 1994 and 1995 in the ordering information table).
Need help selecting a unit? Try using our Product Finder or search our available units
Can’t find what you are looking for? Is the rental unit you need, not available? Give us a call at 800-828-1470 or our chat feature to speak with one of our dedicated Rental Experts
2. Contact Our Team of Rental Experts
Contact us here or click below to submit your request for a rental quote and a member of our Rental Team will review the request and will reach out to you very soon