30
Rev. C / January 2012
PRS-812 Resistance Meter
a. Range selecon is made in one-decade increments and indicated with illuminated LED’s.
b. For resistance ranges below <E03, use the LCD displayed decimal point (.) for seng the
desired decade. The <3 LED will be illuminated.
5. Press the Green buon to begin the Measurement Cycle.
a. The instrument will automacally start the Test Cycle from the selected resistance range
decade.
b. Inial Test Voltage for the selected resistance decade will be applied. For example if the 10
6
ohms decade was selected, inial Test Voltage will be 100 Volts.
c. At this point the PRS-812’s Mode takes control of the Measurement Test Cycle:
(1) Automacally re-adjusts in accordance with material
resisve characteriscs
(2) Automacally re-adjusts in accordance with material resisve
characteriscs and industry standards
(3) Automacally re-adjusts in accordance with mate
rial resisve characteriscs and industry standards
(4) At compleon of Test Cycle, displays and nal resistance measure
ment, test voltage, order of magnitude (LED), analog scale & mulplier, and
electricaon me at end of electricaon period.
L. The Memory Register: Data Logging and Calculaon
As previously described, the PRS-812 Resistance System will acquire and store up to 80 measure-
ments, or data points, in its Memory Register when Record (REC) is acvated. Data is entered in
memory each me the RESET buon is pressed following a measurement. The data in memory can
be reviewed for its minimum, maximum and average values by pressing the RECALL buon.
1. To Acvate the Record Mode press the gray buon once. will be dis-
played in the lower le corner of the instrument’s LCD display.
2. To Review Data in the Memory Register press the buon four mes, as fol-
lows:
a. 1st Press RECORD/RECALL: Provides access to data points in the Memory Register
(1) Use UP () and DOWN () arrow keys to scroll through data.
(2) You may select a data point and eliminate it by pressing . All other stored
data will shi one slot in the register to replace deleted data.
(3) Min, Max and Average of remaining data in Memory will be recalculated.
(4) Press to proceed, or to exit Memory Register and return to
normal operaons.
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