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Prostat PRS-812 User Manual

Prostat PRS-812
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27
Rev. C / January 2012
PRS-812 Resistance Meter
3. Once a stable measurement is conrmed and displayed by the instrument,  will be dis-
played in the LCD and the electricaon mer will stop.

The PRS-812 provides very accurate measurements up to 1.0x10
12
ohms, and has the capability to
display values up to 2.0x10
14
ohms. However, the user should be aware that accuracy degrades rapidly
above 1.0x10
12
ohms. Errors above 1.0x10
12
ohms depends on the users procedures and environment.
4. An LED corresponding to the measurements order of magnitude will be energized
I. Measurements Greater Than 2.0x10
14
ohms:
1. If the measurement is greater than 2.0x10
14
ohms, the test voltage will remain at 100 volts and
the resistance range will be adjusted unl the upper range is exceeded.
2.  (Over Level) will be displayed in the LCD, and the >14 LED will be energized.
3. Once the instrument conrms a stable measurement, if any,  will be displayed in the
LCD and the electricaon mer will stop. If a stable measurement cannot be obtained at this
range  will be displayed.
J. Resistance Measurements in  of Operaon
To select  in either Exponenal (Mode 3) or Ohms (Mode 4) Display, use the 
 buon to toggle through choices. Manual is used for a variety of applicaons where one
desires to override Automac funcons:
Measurement series where magnitude is in a dened decade and test voltage is xed.
When an extended electricaon period may be desired
Manual selecon of test voltage for measurements not used with Automac sengs
The following summarizes  Operaons and assumes test leads are installed
1. Slide Baery Buss Cut O switch to  posion
2. Press Red  buon once to power up the instrument.
3. Select  by pressing the  buon unl  appears in the LCD.
a. Pressing  buon two (2) mes selects  Exponenal display (1.0EXX)
b. Pressing the  buon three (3) mes selects  display in Ohms.
4. Set  using the UP () and DOWN () arrow keys.
a. Range selecon is made in one-decade increments and indicated with colored LED’s.
b. For resistance ranges below <E3, use the LCD displayed decimal point (.) as a guide for set-
ng the desired decade. The <3 LED will be illuminated.

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Prostat PRS-812 Specifications

General IconGeneral
BrandProstat
ModelPRS-812
CategoryMeasuring Instruments
LanguageEnglish

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