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Home > Calibrators > PIECAL 422 PLUS- Diagnostic Thermocouple & Milliamp Calibrator
PIECAL 422 PLUS- Diagnostic Thermocouple & Milliamp Calibrator
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Item Number: PIECAL422-PLUS
Manufacturer: PIECAL (Practical Instrument Electronics inc.)
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PIECAL 422 PLUS Diagnostic Thermocouple & Milliamp Calibrator
• Easy to use
With the PIE 422Plus you can check &
calibrate all your thermocouple instruments,
measure thermocouple Sensors, and calibrate 4 to 20
milliamp instruments. Automatic indication of connections on
the display for simple hookups. Calibrate all your 4 to 20 milliamp
instruments with the built-in milliamp calibrator.
• Take it into the shop, plant or field
Carry it without worry - it comes protected with a rubber boot and rugged,
low profile switch. Easy to operate even in dark areas with the backlit display.
• Calibrate directly in temperature (°C & °F)
Stop carrying around a millivolt source and thermocouple tables. The
PIECAL 422Plus works with the thermocouples you use including types
J, K, T, E, R, S, B, N, G, C, D, L (J-DIN), U (T-DIN) and P (Platinel II).
Easily set any value quickly to within 0.1° with the adjustable digital
potentiometer “DIAL” plus store any three temperatures for instant recall
with the EZ-CHECK™ switch. Or calibrate from -13.000 to +80.000 mV.
• Checkout all your 4 to 20 mA loops & instruments
With the built-in milliamp calibrator you can check, calibrate and measure
all your current signal instruments in a 4 to 20 milliamp DC loop. It can be
used at any access point in your loop. Source & Read 0.000 to 24.000
mA, Simulate a 2 Wire Transmitter or use the PIE 422Plus to simultaneously
power your 2 Wire RTD Transmitter and measure its output while
simulating the RTD sensor input. Powers HART™ transmitters with built-in
250 ohm resistor simplifying hookups with HART communicators.
• Troubleshoot loop problems
Quickly diagnose ground fault and current leakage with the patented loop
diagnostic technology (US Patent# 7,248,058).
• Fast calibration with automatic output stepping
Choose between 2, 3, 5, 11 and 21 steps to automatically increment the
output in 100%, 50%, 25%, 10% or 5% of span. Select the step time to
match your system from 5, 6, 7, 8, 9, 10, 15, 20, 25, 30 and 60 seconds.
• Calibration Lab Accurate & Stable
The internal cold junction thermistor is accurate to ±0.05°C and is traceable to NIST. The
sensor is thermally bonded to an isothermal mass which includes brass blocks with screw terminals for connection of bare
thermocouple wires along with a miniature thermocouple connector for fast connections. It has an extremely stable voltage
reference and low drift components which make it more accurate than most other handheld & benchtop thermocouple
calibrators.
• Perform Heat Treating Uniformity Surveys and System Accuracy Tests
The PIECAL 422 meets or exceeds the requirement of AMS 2750 as a Field Test Instrument.
• Measure thermocouple sensors
Connect your thermocouple and the PIE 422Plus measures the probe in degrees C or F. Secondary display shows the
millivolt value corresponding to the thermocouple temperature.
• Evolutionary design
PIE Calibrators are designed and built by members of the same team that designed and built the calibrators manufactured
by Fluke* under the Altek* label. The PIE 422Plus improves upon other brands by including a rubber boot, tilt stand, backlit
display with larger digits, rugged switches and a battery compartment for fast battery changes
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