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Fluke 525B/A0 120V Temperature/Pressure Calibrator

Model: 525B/A0 120V

This calibrator has superior accuracy and functionality in an economical benchtop package. Ideal for wide workload coverage applications such as instrument shops and laboratories. Considered to be the most accurate Fluke Calibration temperature calibrator, sourcing and measuring a complete range of RTDs, thermocouples, and thermistors.

This product has been discontinued. Click here for the replacement model(s).

Fluke 525B/A0 120V Offers

This temperature/pressure calibrator gives you a workhorse combination of high accuracy and broad functionality for temperature and pressure instrument calibration. Compact and economical, it has an interface for automated calibration, providing wide workload coverage in instrument shops and calibration labs, as well as in ATE applications.


  • Simulates and measures all ANSI thermocouples, as well as L and U types, and provides cold junction compensation to enable calibration of a wide variety of thermocouple instrumentation
  • Direct input for storage of ITS-90 RTD constants
  • RTD source uncertainties to 0.03°C
  • Extend pressure measurement range with any 750P and 700P Series Pressure Modules
  • Converts easily to any pressure unit directly from the front panel or through remote communications
  • Sources dc voltage and current for multifunction workload coverage, enabling calibration of data loggers, strip chart recorders, multimeters, and other industrial instruments
  • Supports automation using MET/CAL® Plus Calibration Management Software or custom automated programs with standard RS-232-C and GPIB interface
  • Eight user programmable setpoints allow quick recall of values for zero, span and linearity checks during calibration. Programmable setpoint dwell times for automated calibration and troubleshooting
  • Programmable setpoint dwell times for automated calibration and troubleshooting
  • Selectable internal or external CJC (cold junction compensation) provides you with the ability to make exacting thermocouple measurements using remote junctions
  • Easy five-way binding posts for low-loss convenient hookup. Banana plug, screw terminal, spade lug, wraparound terminal, wire pass-through terminal
  • NIST-traceable calibration with data is included

Fluke 525B/A0 120V Specifications

Settling Time Less than 5 seconds
Standard Interfaces Standard RS-232; IEEE (GPIB)
Temperature Performance Operating: 0 to 50°C
Calibration (tcal): 15 to 35°C
Storage: -20 to 70°C
Temperature Coefficient Temperature coefficient for temperatures outside tcal + 5°C is 10 % of the 90 day specification per°C
Relative Humidity Operating: <80% to 30°C, <70% to 40°C, 40% to 50°C
Storage: <95%, non-condensing
Analog Low Isolation 20V
EMC IEC 61326- 1/1997 (EMC)
Line Power Voltage (selectable): 100V/120V or 220V/240V
Frequency: 47 to 63 Hz
Voltage Variation: ±10% about line voltage setting
Weight 9 lbs (4 kg)
Dimensions 13.1 x 31.3 x 47.3 cm (5.25 x 12.5 x 18.6")

What's included with the Fluke 525B/A0 120V

  • Fluke 525B/A0 120V Temperature/Pressure Calibrator

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    Customer Reviews for the Fluke 525B/A0 120V