Prostat PRS-801, Руководство пользователя

Страница: 17 / 40

17
Rev. C / January 2012
PRS-812 Resistance Meter
Figure 5: Low Resistance Range Calibration Shunt Installation
2. Press the Red
ON/OFF
power button. The instrument display should become energized, each
LED will be tested in sequence, and
GOOD
will is displayed in the LCD if the batteries have
sufficient test capacity (figure 9).
Figure 6: Low Resistance Range Calibration
using Reference Module
Figure 7: Start the Calibration Sequence by
Pressing RESET then CLEAR within ½ Second
3. Allow the instrument circuits to warm-up for a few minutes; approximately 2 - 3 minutes are
sufficient, prior to completing the calibration sequence.
4. Press
MODE
once to shift display to ohms mode (Ω).
5. Press the Yellow
RESET
, then the Gray
CLEAR
button within ½ second. The message
CAL
will be
displayed in the LCD. (See Figure 8)
6. Press the Yellow RESET button to complete low range (0.1 to 10 ohm) calibration. The
CAL
mes-
sage will automatically be cleared when
RESET
is pressed. (See Figure 8)
7. Press the Green
TEST
button. Indicated resistance should be 1.02 (±0.02) ohms as shown in
Figure 8. Press
RESET
to clear the display. NOTE: If 1.02 (±0.02) ohms is not displayed, repeat
the calibration process.