Profile: Japsin Instrumentation is a manufacturer and exporter of temperature, pressure, and flow & level instruments. Our products include dial thermometers, pressure gauges, glass thermometers, pyrometers, thermocouples, temperature recorders, temperature switches, and temperature indicator crayons. Our dead weight pressure gauge tester includes screw pumps, free piston assembly, gauge connector, and base plates. The screw pump of our tester is to generate pressure in the circuit. We are an ISO 9001:2008 certified company.