We are offering adjustable voltage regulator trainer features : instrument comprises of ac power supply 15-0-15 two analogdigital meters to measure input & output voltage and current. Two type of regulators lm 317 and lm337. Load resistances selectable using band switch. All...
Tinker & Rasor Model CPV-4 Cathodic Protection Voltmeter is a revolutionary instrument for measuring DC structure-to-earth potentials of various buried or submerged metallic objects. Powered by an ordinary 9-volt battery, the Model CPV-4 gives an immediate reading in large ½...