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.
541
Frequency Calibrator With Totaliser Function
Accuracy: ± 0.005% of range
- 5 ranges from 1 CPH (Counts-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 to ± 30 VDC with 4X over range ability.
- Source 0 to 24 VDC with up to 20mA output.
Practical Instrument Electronics
- Intuitive menu with EZ dial
- Robust design and compact size
- Large range of accessories
Frequency, Volts, pH & mA Calibrators
PIE Replacement Guide
3 Year Warranty
Advantages of the PIE 235
Voltage Calibrator over the Altek 235 Voltage Calibrator
Advantages of the PIE 541 Frequency Calibrator over the Altek 941 Frequency Calibrator