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Catalog excerpts
![Trek Model 820 Infinitron® High Impedance Contacting/Non-contacting Voltmeter - 1](https://img.directindustry.com/pdf/repository_di/72064/trek-model-820-infinitron-high-impedance-contacting-non-contacting-voltmeter-772115_1m.jpg)
The ±2 kV Trek Model 820 Infinitron® Voltmeter may be used in either contacting or non-contacting mode to acquire precision surface voltage measurements. It is especially beneficial when used with applications that demand infinitely high loading impedance levels far beyond the reach of currently available high impedance voltmeter instruments. The Model 820 comes with a guarantee of virtually no modification of the object being measured. This allows the instrument to indicate, with high precision, the voltage level of both conductive and insulative objects and surfaces. Key Specifications • Measurement Range: • Measurement Accuracy: • Speed of Response: • Input Characteristics Resistance: Capacitance: 0 to ±2 kV DC or peak AC Better than ±0.1% of full scale (voltage monitor output) Less than 500 ps for a 1 kV input step Greater than 1 x 1015 W Less than 1 x 10-15 F Typical Applications Include • Accurate reading of electrostatic voltage levels associated with ESD sensitive components, circuits and surfaces Features and Benefits • Voltage monitor output scale factor at 1/200 • Probe electrode may be easily replaced with other sensor tips • Monitor provides a low voltage replica of the measured electrostatic potential for monitoring purposes or for use as a feedback signal in a closed loop system • Digital Enable allows an external device to turn ON/OFF the internal HV power supply • Easy-to-read LED display • Designed to be operated on a bench top . NIST-traceable Certificate of Calibration provided with each unit . compliant Available Probes • Model 820 Probe - Sensor 0.8 mm conducting ceramic electrode. The sensors may be easily replaced, dependent on the measurement requirements - Orientation Pencil probe structure with end contact sensor. - Probe Dimensions 152 mm L x 20 mm Diameter (6” L x 0.75” Diameter) - Probe Cable Length 1.5 m ±75 mm (5.3 ft ±3 in.) TREK, INC. • 190 Walnut Street • Lockport, NY 14094 • USA • 800-FOR TREK 716-438-7555 • 716-201-1804 (fax) • www.trekinc.com •
Open the catalog to page 1![Trek Model 820 Infinitron® High Impedance Contacting/Non-contacting Voltmeter - 2](https://img.directindustry.com/pdf/repository_di/72064/trek-model-820-infinitron-high-impedance-contacting-non-contacting-voltmeter-772115_2m.jpg)
Measurement Range Measurement Accuracy Voltage Monitor Output Voltage Display Speed of Response (10% to 90%) Large Signal Bandwidth (-3 db) Stability Contacting - Drift with time at 22 °C Noncontacting 0 to ±2 kV DC or peak AC Better than ±0.1% of full scale Better than ±0.1% of reading, ±1 digit (referred to measured input) Less than 500 |js for 1 kV step DC to greater than 200 Hz for 4 kV pp Less than 6 V/minute, cumulative (referred to input) Better than 100 ppm/°C Input Resistance Greater than 1 X 1015 W Input Capacitance Less than 1 X 10-15 F Voltage Monitor Output Ratio Output...
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