Detect hidden loop problems with Patented current leak detection technology.
Check all loop parameters at once with the LoopScope diagnostics feature.
Automatically detect 2, 3 or 4 wire RTDs.
Use it as a milliamp and voltage calibrator.
Calibrate directly in temperature (°C & °F).
Simulate pH probes into transmitters & analysers.
Measure temperature sensors, frequency pickups, loop currents, voltage levels & pressures.
Milliamp • Voltage • Frequency • pH
Ohms • Thermocouple • RTD • Pressure
Loop Diagnostics • Transmitter Supply
8 calibrators in 1
PIECAL 422 PLUS BEST IN CLASS
Calibration Is Lab Accurate & Stable
Checkout all your 4-20 mA loops & instruments.
Fast calibration with automatic output stepping.
Verify Survey Recorders and perform Accuracy Tests.
Easy to use in the Plant, Field or Shop.
Calibrate with Lab Accuracy
Accurate to ±0.01% of Reading + 0.002 mA
PIE 434 is more accurate than similar calibrators within ±0.004 mA at 20 mA output!
Find hidden loop problems with Loop Diagnostics setting.
Multi-Function Calibrator Range
Simplify calibration of all process instruments
PIE multifunction calibrators are guaranteed to be compatible with all process milliamp, voltage, thermocouple and RTD inputs including all brands of smart temperature and multivariable transmitters, PLC input cards, DCS systems and multichannel recorders.
All the multifunction calibrators have fuse-less protection, rugged design, and long battery life.
PIE calibrators have automatic troubleshooting functions to locate problems caused by corrosion or moisture in conduits, excessive loop loads, broken RTD wires and flaky loop power supplies.
Thermocouple Calibrator Range
The PIE 422Plus adds a FULL function milliamp calibrator plus it reads and sources 14 thermocouple types. Includes PIE’s patented Leak Detection to find problems in 4-20 ma loops.
The PIE 525B sources and measures 12 RTD types along with 14 thermocouple types.
Additional features on the PIE 525B include high resolution to 0.01°, automatic detection of 2, 3 and 4 wire RTDs, and can display the excitation current used by the RTD instrument to measure an RTD sensor.
RTD Calibrator Range
PIE RTD calibrators are the only models with patented automatic detection of 2,3,4 wire RTDs!
All the RTD calibrators have fuse-less protection, rugged design, and long battery life.
The PIE 311, 311Plus and 525B display in °F and °C along with the Ohm value from the temperature vs resistance RTD tables.
The PIE 311Plus adds a FULL function ma calibrator plus it reads and sources 12 RTD types.
Voltage & mA Calibrator
ph & Voltage Calibrator
235 Voltage & pH Calibrator
Calibrate Recorders in live loops
Calibrate without breaking the loop or turning off the loop current.
The 235 drives only the voltage instrument it is connected to and has no effect on any other instruments in the 4-20 mA loop.
Calibrate 4-20 milliamp and 10-50 milliamp instruments
PIE milliamp calibrators are the only models with patented Loop Diagnostic Technology!
Source 4-20 ma or 10-50 ma into loop instruments and drive final control elements such as valves, etc
Calibrate smart transmitters with the built-in 250 Ohm resistor for HART® compatibility.
High resolution to 0.001 ma and the the ability to check loop power supplies
541 Frequency Calibrator With Totaliser Function
Accuracy: ± 0.005% of range
5 ranges from 1 CPH (Count-Per-Hour) to 20.000 Khz for source and read.
Totalise inputs/outputs from 1 to 99999 pulses In 1 to 100 minutes.
535 Voltage & mA Process Calibrator
True ± 0.025% of reading
4-20ma & support for older 0-50ma signals.
Source / Power & Measure 2-Wire Transmitters.
Read 0.00 to ± 30.00 VDC with 4X over range ability.
Source 0.000 to 24.000 VDC with up to 20mA output.
No other brand of calibrator has these patented features!