Milliamp calibrator weighs 1 lb

Rochester, N.Y. —Incorporating digital technology, Model 434 provides accuracy of ±0.015% of reading. It will source and read 4 to 20 mA signals, simulate 2-wire transmitters, power transmitters while displaying the transmitter output, and has a built in voltmeter to measure –100.0 to 100.

Rochester, N.Y. —Incorporating digital technology, Model 434 provides accuracy of2, 3, 5, or 10 steps. Auto-valve mode allows users to choose 5-900 sec. intervals to repeatedly step up and down to check valve travel.

Altek Industries Corp.