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380946           4/01   Rev. 1.0 

Panel Description 

 

 

 

 

 

 

 

1 Transformer 

jaw 

2 Jaw 

trigger 

On/Off and range selection switch 

4 Zero 

button 

5 Power-On 

LED 

Low battery LED 

7 Output 

terminals 

 

Current Measurements 

1. 

Set the DMM to the mV or low voltage range (ACV for AC measurements or DCV 
for DC measurements).

 

 

2. 

Determine the highest anticipated reading and set the range accordingly. Start 
with the 30A range if unsure. 

3. 

Connect the RED connector lead to the multimeter’s '+' Voltage 
terminal and the BLACK lead to the '-' Common terminal. 

4. 

For DC measurements, hold the adaptor in the same 
orientation as it will be held during the measurement and press 
the Zero button (No conductor in the jaw). 

5. 

Press the Jaw Trigger to open the jaw and clamp around a 
single conductor. 

6. 

Read the Current on the DMM display.  

.

 

 

1

2

3 4 5 6

7

Yes

No

Summary of Contents for 380946

Page 1: ...s on your purchase of Extech s 30 Amp AC DC Clamp On MultiMeter Adaptor There is no need to break circuits when measuring current with a clamp device simply open the meter jaw and clamp around the conductor under test Current is displayed on the external DMM that is connected to the Adaptor ...

Page 2: ... 88 F 31 o C decreasing linearly to 50 at 104 F 40 o C Altitude Operating below 2000 meters Dimensions 7 2 x 2 5 x 1 4 183 x 61 3 x 35 6mm Weight 6 7oz 190g Safety Safety Symbols This symbol adjacent to another symbol or terminal indicates the user must refer to the manual for further information This symbol adjacent to a terminal indicates that under normal use hazardous voltages may be present W...

Page 3: ...e the highest anticipated reading and set the range accordingly Start with the 30A range if unsure 3 Connect the RED connector lead to the multimeter s Voltage terminal and the BLACK lead to the Common terminal 4 For DC measurements hold the adaptor in the same orientation as it will be held during the measurement and press the Zero button No conductor in the jaw 5 Press the Jaw Trigger to open th...

Page 4: ... 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...

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