17
Rev. C / January 2012
PRS-812 Resistance Meter
2. Press the Red power buon. The instrument display should become energized, each
LED will be tested in sequence, and will is displayed in the LCD if the baeries have
sucient test capacity (gure 9).
3. Allow the instrument circuits to warm-up for a few minutes; approximately 2 - 3 minutes are
sucient, prior to compleng the calibraon sequence.
4. Press once to shi display to ohms mode (Ω).
5. Press the Yellow , then the Gray buon within ½ second. The message will be
displayed in the LCD. (See Figure 8)
6. Press the Yellow RESET buon to complete low range (0.1 to 10 ohm) calibraon. The mes-
sage will automacally be cleared when is pressed. (See Figure 8)
7. Press the Green buon. Indicated resistance should be 1.02 (±0.02) ohms as shown in
Figure 8. Press to clear the display. NOTE: If 1.02 (±0.02) ohms is not displayed, repeat
the calibraon process.