PIE 525B Thermocouple & RTD Calibrator


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Compatible with all process equipment, the 525B works with thermocouple types J, K, T, E, R, S, B, N, G, C, D, L (J-DIN), U (T-DIN) and P (Platinel II) or any millivolt instrument with a range from -13.0000 to 80.0000 mV. The 525B also works with RTD types Platinum 10, 50, 100, 200, 500 & 1000 Ohm (alpha = 3850), Platinum 100 Ohm (alpha = 3902, 916, 3926), Copper 10 & 50 Ohm, and Nickel 120 Ohm or any resistance instrument from 0.000 to 400.000 and 0.00 to 4000.00 Ohms. The PIE 525B meets or exceeds the requirement of AMS 2750 as both a Secondary Standard Instrument and as a Field Test Instrument.

The PIE 525B shows test results on a large, backlit, high contrast graphic liquid crystal display. Automatic output stepping makes calibrations fast. Choose between 2, 3, 5, 11 steps and ramp to automatically increment the output in 100%, 50%, 25%, 10% or 5% of span. Select step time from 5, 6, 7, 8, 9, 10, 15, 20, 25, 30 & 60 seconds.

The 525B is calibration lab accurate and stable. Cold junction compensation is accurate to ±0.09°F. The unit is over- voltage protected to 60 vrms. 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.


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