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PSI-870 Resistance/Resistivity Indicator
Item Number:
PSI-870

Contents

Packaging
Weight: 1 lbs (0.5 kg)
Length: 8.25 Inches (21 cm)
Width: 7.5 Inches (19 cm)
Height: 3.5 Inches (8.5 cm)

esd meter technical documents

PSI-870 Resistance/Resistivity Indicator

Simple, repeatable resistivity and resistance measurements

The PSI-870 is an LED indicating, wide range resistance measurement instrument with broad application flexibility. It measures surface resist-ance in accordance with ESD Association S11.11, surface resistivity in accordance with ASTM D-257, resistance to ground, and resistance point to point. This meter gives simple, repeatable measure-ments to indicate whether a material is conductive, static dissipative or insulative. The PSI-870 employs parallel bar sensing and features an easy to read LED light scale to measure a wide variety of ESD materials and equipment.

SPECIFICATIONS:

Test Voltage & Current:
Nominal 9 volts and 0.006 µA to 1.0 mA

Power:
One (1) standard 9-volt battery, PROCELL, Eveready #216 (NEDA 1604, JIS 006P, IEC 6F22)

Electrodes:
2 each Machined Brass, One (1) Square Resistivity configuration

Overall Accuracy:
± 10%

Changeover Point:
Based on measured resistance; ± 1/2 decade on logarithmic scale (i.e., 3.16 x 10n)

Changeover Point Accuracy:
± 1/2 decade

Resolution:
One order of magnitude

LED Measurement Indications:
11 LED's with Dual scales:
103 to 1012 Ohms/square per ASTM 257 in one decade increments
102 to 1011 Ohms per S-11.11 in one decade increments
Over range indicator light for "Insulative" surfaces, i.e., >1012 Ohms/square or >1011 Ohms.

Auxiliary Connections:
2 each female banana for resistance range performance verification and direct point to point resistance measurements without electrodes.
1 each Point to Ground Phono Receptacle for resistance measurements using one electrode
1 each Electrode cut off switch

Operation Control:
One (1) PUSH to TEST Button

Operating Range:
40ºF to 120ºF (5ºC to 49ºC)

Storage Temp:
-15ºC to 60ºC (5ºF to 140ºF), Relative Humidity: 0% to 90%

Battery Life:
40 hours typical

Dimensions:
115 mm x 69 mm x 26 mm

Weight:
6 oz.


Technical Documents:
» PSI-870 Data Sheet

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