User’s Guide
Model DA30
Safety Precautions
Improper use of this meter can cause damage, shock, injury or death. Read this guide before use.
Secure any covers or battery doors before use.
Inspect the condition of the meter for any damage before use.
Remove the batteries from the meter if the meter is to be stored for long periods.
For Indoor use
International Safety Symbols
Refer to the user’s guide for information.
Hazardous voltages may be present
WARNING: Risk of Electrocution. Before use, always test the Detector on a known live circuit to
verify proper operation
NOTE: There must be a load on the circuit (current flow) for current detection.
1. Turn the On/Off-Sensitivity switch (2) clockwise to turn the unit on.
2. Set the Sensitivity adjustment (2) to the high (counterclockwise) position
3. If the detector begins to beep/flash (1), slowly reduce the sensitivity (clockwise) until the beep stops.
4. Move the detector current sensor (1) near the current carrying conductor until the tip flashes and
beeper sounds.
5. Slowly adjust the sensitivity (2) and reduce the distance
between the sensor and conductor to pinpoint and
identify the conductor.
Battery Replacement
Turn power OFF and release the end cap latch from the
pocket clip and slide out the battery compartment (3).
Replace the four LR44 batteries and replace the battery compartment.
Current sensitivity
Audible/Visible indication
Frequency range
Operating Temperature/Humidity
Power supply
Weight/ Dimensions
IEC 1010
200mA (0.2A) AC at 0.2”
Beeper/ Flashing LED
50 to 500Hz
14 to 122°F (-10°C to 50°C): < 80% RH
(4) LR44 batteries or equivalent
1.6 oz. (45g)/5.7 x 1.1 x 1” (145x28x25mm)
Category III 600V
EXTECH INSTRUMENTS CORPORATION warrants this instrument to be free of defects in parts and workmanship for one year
from date of shipment (a six month limited warranty applies on sensors and cables). If it should become necessary to return the
instrument for service during or beyond the warranty period, contact the Customer Service Department at (781) 890-7440 ext. 210
for authorization or visit our website at www.extech.com (click on ‘Contact Extech’ and go to ‘Service Department’ to request an
RA number). A Return Authorization (RA) number must be issued before any product is returned to Extech. The sender is
responsible for shipping charges, freight, insurance and proper packaging to prevent damage in transit. This warranty does not
apply to defects resulting from action of the user such as misuse, improper wiring, operation outside of specification, improper
maintenance or repair, or unauthorized modification. Extech specifically disclaims any implied warranties or merchantability or
fitness for a specific purpose and will not be liable for any direct, indirect, incidental or consequential damages. Extech's total
liability is limited to repair or replacement of the product. The warranty set forth above is inclusive and no other warranty, whether
written or oral, is expressed or implied.
Copyright © 2002 Extech Instruments Corporation.
All rights reserved including the right of reproduction in whole or in part in any form.
Website: www.extech.com Email: [email protected]
Rev 1.3 02/03