Ultra-High Impedance Voltmeter


Called the Infinitron, this electrostatic voltmeter with hand-held probe enables contacting voltage measurements to be made with virtually no transfer of electrical charge to/from the measured object. Thus, it is suitable for accurately gaging site-specific voltage on ESD-sensitive devices during handling and processing in semiconductor, electronic assembly, hard disk drive, and other electrostatic-sensitive environments and applications. Instrument features an extremely high input impedance (resistance greater than 1016 ohm) and very low input capacitance (less than 10–15 Farad). Its measurment range is 0 to ±100 v dc or peak ac at ±0.1% accuracy. Trek, Inc., Medina, NY


• Power Requirements: Available for all nominal line voltages, the Universal wall cube provides the following input power to the ESVM: Voltage: 24 V DC, ±5% @ 1 Amp. Input Connector: 2.1 mm DC power plug. • Dimensions: 62.5 mm H x 228 mm W x 257 mm D (2.5" H x 9" W x 10" D). • Weight: 1 kg (2.2 lb). • Voltage Monitor Connector: BNC connector. • Digital Enable Connector: BNC connector. • Reset Connector: BNC connector. • USB Port: Type B port. • Ground Receptacle: Threaded ground stud. • Operating Conditions Temperature: 10 °C to 35 °C. Relative Humidity: To 75%, noncondensing. • Power ON/OFF: A momentary push-button. • Probe Connector Location: Front panel
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