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Prostat PRS-812 User Manual

Prostat PRS-812
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23
Rev. C / January 2012
PRS-812 Resistance Meter
AUTO Mode 1: Auto Exponenal Display 1.0EXX plus Ω indicators
AUTO Mode 2: Auto Display in Ω, KΩ, MΩ, GΩ and TΩ indicators
AUTO Mode 1 is the default funconal mode when the PRS-812 is powered up. To change to AUTO
Mode 2, simply press the MODE buon once. The  modes are used in measurements
where the following aributes are desired:
Automac Test Voltage selecon and control from 0.01 to 100 volts
Automac resistance scale control from 0.1 ohm to 1.0x10
12
ohms (200 TΩ)
Automac Electricaon Period ming based on the instrument’s measurement capabili-
es and industry standards for measurement of ESD controlled materials.
In AUTOMATIC Modes, the PRS-812 performs the following funcons during the Measurement Test
Cycle once the  buon is pressed:
1. Resets the  to minimum, i.e., 0.1Ω
2. Sets  to <10 volts (millivolts), and applies inial voltage to material under test
3. Resets the  mer to 0 seconds, then starts mer
4. During Measurement Test Cycle:
a. Automacally adjusts  in accordance with material resisve characteris-
cs
b. Automacally adjusts  in accordance with material resisve characteriscs
and industry standards
c. Automacally adjusts  in accordance with material resisve char-
acteriscs and industry standards
5. At compleon of Test Cycle, displays and  nal resistance measurement, test voltage,
order of magnitude (LED), analog scale & mulplier, and electricaon me at end of electri-
caon period.
D. General Automac Mode Procedures
1. Aach the desired test leads to the xture, electrodes or points to be measured

The standard Prostat 10 foot test leads are intended for measurements up to
the 10
12
ohm range. This is the maximum range of the PRS-812 for precision
resistance measurements
2. Slide the Baery Buss Cut O to the  posion. This connects the 9V baeries to the instru-
ments circuitry.

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Prostat PRS-812 Specifications

General IconGeneral
BrandProstat
ModelPRS-812
CategoryMeasuring Instruments
LanguageEnglish

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