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PSI-870-MK Resistance/Resistivity Indicator Micro Kit
Item Number


Weight: 1.5 lbs (0.7 kg)
Length: 8.25 Inches (21 cm)
Width: 7.5 Inches (19 cm)
Height: 3.5 Inches (8.5 cm)

esd meter

PSI-870-MK Resistance/Resistivity Indicator Micro Kit

Simple, repeatable resistivity and resistance measurements

The PSI-870-MK Micro Kit includes an LED indicating, wide range resistance measurement instrument with broad application flexibility. It measures surface resistance 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 measurements 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.


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

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

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

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

Meter Dimensions
Width: 2.7" (6.9 cm)
Depth: 1.0" (2.6 cm)
Length: 4.5" (11.5 cm)

Meter Weight
6 ounces, with battery

Analog Lead
Length: 48" (121.9 cm)

Case Dimension
Width: 4.5" (11.4 cm)

Depth: 1.5" (3.8 cm)
Length: 5.0" (12.7 cm)

Case Weight
0.25 ounce

Call Today to Order 1-877-463-9376

Technical Documents:
» PSI-870-MK Data Sheet
arrow PGK-820-MK
Wrist/Belt Straps