APPA 507 Process Calibrator
High-efficiency process multimeter with versatile measurement/sourcing, user-friendly controls, and robust design for field and lab calibration.
Featured Calibrators Parade
CL-420B Loop Calibrator
Improved loop calibrator with simultaneous mA/% display, 24V loop power, and enhanced accuracy — designed for fast and reliable loop testing.
Multi-Function Process Calibrator
Portable calibrator for DC V/I, resistance, thermocouple, RTD, frequency, pulse, and switch ON/OFF signals — ideal for automation system calibration.
Process Calibrator
4–20mA with 24V loop supply, 0–100mV / 0–1V / 0–12V, TC K/J/E/T, 1–62,500Hz, 0.025% accuracy, step & ramp functions, open/short alert.
Sound Level Calibrator
94dB & 114dB at 1kHz, accurate and simple to use; fits 1", 1/2", and 1/4" microphones.
CL-326A Process Calibrator (Discontinued)
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