Extech RT30 Operating Manual
User's Guide
Wireless AC Circuit Identifier
Models RT30 and RT32
Introduction
Congratulations on your purchase of Extech’s Model RT30 (914Mhz) or RT32
(869MHz) Wireless AC Circuit Identifier. The detector can identify live circuits and
detect changes in light level with the wireless receiver. With careful use, this
detector will provide years of reliable service.
Meter Description
TRANSMITTER DESCRIPTION
1. Wire clamp slot
2. Wire Clamp release latch
3. Light sensor
4. Voltage/Light detect LED
5. Battery compartment
6. Power LED
7. Light setpoint button
8. Power/Mode select switch
9. External Probe Connector
RECEIVER DESCRIPTION
1. Detect LED (Amber)
2. Communication LED (Yellow)
3. Power/Mode
4. Power LED (Green)
5. Battery compartment
6. Pocket clip
7. Audio Buzzer
1 2
9
4
5
6
7
8
3
4
6
1
2
3
7
5
2
RT30 V2.0 11/08
Operation
Detecting Live Circuits (VOLTAGE method)
The RT30 can be directly clamped on installed building wiring
and will detect the voltage applied to the wiring.
1. Slide the transmitter power switch to the VOLTAGE
position. The POWER LED will switch on.
2. Slide the Receiver power switch to the ON position. The
POWER LED and the SIGNAL OK LED will switch ON.
3. Place the Romex
wire clamp slot or, alternatively, connect the external
voltage detector probe into the external probe socket and
then clamp the probe to any cable, extension cord or
appliance cord.
4. If the cable is “live” (voltage present), the
VOLTAGE/LIGHT amber LED on the
transmitter will switch on and the
DETECT LED on the receiver will switch
on.
5. If desired, switch the receiver power
switch to the audio OFF position
disable the audible tone.
6. When the voltage is removed (by opening the splice or the circuit breaker,
for example), the Detect LEDs will switch OFF and the detect beeper will
switch OFF.
Note: Use of the External Probe overrides the setting of the Power/Mode
Switch. The Lighting method cannot be used while the External Probe is
attached.
TM
/nm cable (AC wire) directly into the
to
3
RT30 V2.0 11/08
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