Meter Description; Operation; Powering The Meter - Extech Instruments RD200 User Manual

Meter Description

1. Flexible probe shaft
2. Color-coded LED level indicators
3. Sensitivity select buttons (Low, High)
4. Battery status LED
5. Power ON/OFF button
6. Removable sensor access collar
7. Heated diode sensor

Operation

Note: Power OFF the system under test before attempting to find leaks.

Powering the Meter

1. Short press the ON/OFF button (5) to power the meter. Replace the battery if the meter does
not switch ON or if the low battery LED (4) glows red.
2. While powering on, the leak-level LEDs (2) will light in sequence (left to right) and the start-
up tone will sound once.
3. The meter will start heating the sensor (7) during a 2 minute warm-up period (the leak-level
LEDs will continue to light in sequence during the warm-up).
4. After the warm-up, the audible tone will sound twice indicating that the detector is ready to
find leaks.
5. Press and hold power button (5) for 2 seconds to turn off the meter. The meter switches off
automatically after 10 minutes of inactivity.
6. The battery status indicator (4) glows red when the battery requires replacement.
3
RD200-en-GB_V1.0 4/18