
26
PRS-812 Resistance Meter
(4) Press RECORD/RECALL to proceed, or RESET to exit Memory Register and
return to normal operations.
b. 2
nd
Press RECORD/RECALL: LCD Displays
MIN
and the lowest recorded
resistance value saved in the Memory Register
c. 3
rd
Press RECORD/RECALL: Displays
MAX
and the highest recorded resistance
value saved in the Memory Register
d. 4
th
Press RECORD/RECALL: Displays
AVG
and the average of all recorded
resistance values saved in the Memory Register
e. 5
th
Press RECORD/RECALL: Returns PRS-812 Meter to normal operations
VI. Instrument
Maintenance
A. Calibration & Repair
1. Instrument Calibration should be performed annually
2. Only Prostat Corporation or their authorized instrument laboratory should perform PRS-
812 calibration or repair.
3. Before shipping instrument to Prostat Corporation (USA) for service, contact Prostat
calibration & customer service for a Return Material Authorization (RMA) tracking
number by the following means: See WARRANTY INFORMATION, below, for further
instructions.
B. General Handling & Maintenance
1. Cleaning
a. Wipe case and LCD with clean, low linting damp cloth
b. Do not use solvents for cleaning case or LCD,
Note:
When displayed,
OL (Over Level)
indicates a measurement
greater
than
(>)
2.0x10
14
ohms, beyond the measurement capability of the PRS-812
Note: OL
(Over Level)
measurements greater than (>) 2.0x10
14
ohms
are not
included in displayed average (
AVG
) calculation.
AVG
is the calculated average of all
resistance values less than (<) 2.0x10
14
ohms,
rounded to the first decimal point
.
Note:
If RECALL is not pressed, a fifth time
OOPS
will be
displayed in the LCD when TEST is next pressed. To Clear OOPS,
press RESET. The instrument will return to normal operations.
OPERATIONAL NOTE:
You may return the instrument to normal operations
from the RECORD/RECALL mode at any time by pressing RESET.