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PIE 525B Automated Thermocouple & RTD Calibrator

    PIE 525B Automated Thermocouple & RTD Calibrator

    Manufacturer: PIE

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    • Features
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    The PIEcal Model 525B Automated RTD & Thermocouple Calibrator is an industrial temperature sensor calibrator that accommodates RTDs (resistance temperature detectors) and thermocouples with its built-in NIST-traceable cold junction sensor. The PIE 525B is also suitable for use in calibration labs since its high accuracy and resolution are achieved by using an extremely stable, low drift circuit design featuring a +/- 0.05degC reference thermistor. In addition to registering actual temperature, the PIE 525B shows the precise resistance value when displaying RTD temperature.  It features patented automatic detection of 2, 3 or 4 wire RTD connections and also detects when individual wire connections are open circuit.  Inputs are protected up to ±60VDC against possible misconnection.   

    The 525B fits in the palm of a hand and weighs less than a pound.  Its rugged design allows for safe and easy use in the field with its protective rubber boot, low profile switches, easy-access AA battery compartment, and a brightly backlit display. The double-click menu system allows for quick setup, fast switching between functions, and simple pre-programming of set points or step/ramp times.  Standard functions include sourcing and reading of 14 thermocouple types, 12 RTD curves, millivolts and resistance.  Additional features include the ability to turn cold junction compensation on/off, the display of cold junction temperature, and a secondary display showing corresponding mV/Ohm temperature values.

    The troubleshooting features of the PIE 525B include the ability to read and display an RTD transmitter’s excitation current (pulsed or fixed) to confirm that the transmitter is operating correctly.  The 525B's quick-set digital dial allows quick and easy setting of any value within 0.1deg or 0.01deg for fast calibration with automatic output stepping.  The ramping feature automatically increments the sensor output setting with a selectable span step time. 

    The 525B is compatible with all process instruments and connects directly to the temperature inputs of transmitters, PLCs, and multichannel recorders to verify their outputs or displays. The RTD simulation function works with older instruments with fixed excitation currents as well as newer multichannel instruments that switch the excitation current between input channels.  Unlike some competing calibrators, the 525B allows two, three or four wire RTD connections and it automatically detects which connection is appropriate.  

    For trouble-free temperature control in an industrial environment, it pays to have a well-designed calibrator on hand to quickly evaluate and check process control issues.  

    • Increased number of T/C types from 10 to 14
    • Added RTD types for Platinum 10, 50, 200 & 500 Ohm for the 1.3850 (IEC 751/DIN) curve
    • More accurate & stable cold junction compensation  -NIST Traceable Cold Junction Sensor in isothermal block
    • Secondary display  - Shows millivolts and cold junction temperature while displaying thermocouple temperature and shows ohms while displaying RTD temperature
    • Troubleshoot RTD Sensors & Instruments - Automatic detection of 2, 3 or 4 wire connections indicates when individual wire connections are open. Verify proper instrument operation by measuring the excitation current.


    Calibrate T/C instruments to 0.1 & 0.01 °F & °C

    • Types J, K, T, E, R, S, B, N, G, C, D, L (J DIN), U (T DIN) & P (Platinel): -13.000 to 80.000 mV 525B showing connection

    Calibrate RTD instruments to 0.1 & 0.01 °F & °C

    • Pt 10, 50, 100, 200, 500 & 1000 Ohm (3850)
    • Pt 100 Ohm (alpha=3902, 3916, 3926)
    • Cu 10 & 50 Ohm and Ni 120 Ohm

    Calibrate with Confidence

    • Resolution to 0.01 °F & °C; Accurate to 0.2°
    • Cold Junction Sensor Accurate to 0.05°C

    Perform Heat Treating Surveys & Accuracy Tests

    • Meets or exceeds the requirement of AMS 2750 as both a Secondary Standard Instrument and as a Field Test Instrument

    Troubleshoot RTD Sensors & Instruments

    • Automatic detection of 2, 3 or 4 wire connections indicates when individual wire connections are open. Verify proper instrument operation by measuring the excitation current.

    Faster Calibrations

    • Instantly select three outputs with EZ-CHECK switch
    • Easily find trip points with two speed EZ-DIAL knob & Automatic Stepping

    Easily Change T/C Types & Scale

    • Double click to select T/C type & °F & °C

    Use in the Plant, Field or Shop

    • Includes Rubber Boot and mV Test Leads
    • Low profile switches resist accidental damage
    • Brass screws for T/C wires plus mini T/C socket

    Easy-to-Read Display

    • Turn on the backlight to read in dark areas of the plant

    Simple "No Tool" Battery Changes

    • Four inexpensive "AA" batteries

    Verify Resistance, Cold Junction Temperature & Output

    • Secondary Display of Resistance for RTDs and compensated millivolt setting and cold junction temperature for T/C.

    Optional Accessories

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