ESD-310 Handheld calibrator
ESD-310 Handheld Calibrator is a portable calibration tool designed for process instrumentation. It supports 6 calibration modes (mA, mV, and resistance) with both sink and source functions, and features a 4½-digit LCD display for clear readings. With high accuracy of ±0.1% of full scale ±1 digit, it can source and measure current up to 20 mA, voltage up to 100 mV, and offers RTD (Pt-10 measurement options — all powered conveniently by a 9V battery for field use.
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