RT30 V2.0 11/08
4
Support line (781) 890-7440
Technical Support: Extension 200; E-mail: [email protected]
Repair & Returns: Extension 210; E-mail: [email protected]
Product specifications subject to change without notice
For the latest version of this User Guide, Software updates, and other
up-to-the-minute product information, visit our website: www.extech.com
Extech Instruments Corporation, 285 Bear Hill Road, Waltham, MA 02451
Detecting Live Circuits (LIGHTING method)
In situations where access to circuit wiring is limited,
the RT30 can also detect room lighting changes (ON
to OFF).
1.
Slide the transmitter power switch to the LIGHT
position. The POWER LED will switch on.
2.
Slide the Receiver power switch to the ON
position. The POWER LED will switch on.
3.
Cover the Light Sensor on the transmitter and
press the Light Setpoint button.
4.
Expose the Light Sensor to the light source.
The VOLTAGE/LIGHT LED on the transmitter and the DETECT LED on the
receiver will switch on
5.
When the lights are turned off the VOLTAGE/LIGHT LED on the transmitter
and the DETECT LED on the receiver will switch off, indicating the light has
been switched off and power has been removed.
Note
: Before use, always test the light on/off operation for proper sensitivity and
detection.