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Rev. C / January 2012

PRS-812 Resistance Meter

8. Remove the calibraon shunt assembly from the lead terminals

9. The PRS-812 is now ready for wide range measurements from 0.1 to 1.0E+12 Ohms







±

 

A. Overview of PRS-812 Operaon & Measurement Test Cycle Sequence

The following 10 points provide a general overview for calibrang and using the PRS-812 for resis-

tance measurements.

1. Slide Baery Buss Cut O switch to 

2. Press Red buon once to power up PRS-812

a. Instrument performs circuit check, and tests LED’s, LCD display, and baery voltage.

b. LCD displays  if baery voltage suitable for instrument operaon; displays  if bat-

teries require replacement

c. Instrument ends startup sequence in default , Exponent Display Mode 1.0EXX

3. Select Funcon Mode if other than , Exponent Display Mode 1.0EXX is desired by press-

ing  buon

4. Perform low resistance range calibraon aer 3 minute instrument warm-up, if desired

a. Install Calibraon Shunt between posive (+) and negave (-) terminals

b. Press  then  within ½ second

Prostat PRS-812 User Manual

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