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380946           4/01   Rev. 1.0 

Specifications 

DC Ranges 

Output 

Accuracy 

400mA DC 

1mV/mA DC 

Not specified 

1

 

4A DC 

100mV/A 

±(2.0%+3mA) 

30A DC 

10mV/A 

±(2.0%+30mA) 

AC Ranges 

50/60Hz 

40 to 100Hz 

400mA AC 

1mV/mA AC 

±(2.0%+0.5mA) 

±(2.5%+0.5mA) 

 

50/60Hz 

40 to 400Hz 

4A AC (0 to 400mA) 

100mV/A AC 

±(2.5%+8mA) 

±(3.0%+8mA) 

4A AC (400 to 4A) 

100mV/A AC 

±(2.5%+3mA) 

±(3.0%+6mA) 

30A AC 

10mV/A AC 

±(2.0%+30mA) 

±(2.5%+30mA) 

Notes: Accuracy stated at 23

o

C ±5

o

1

 The 400mA range is specified for AC measurements only. For DC measurements on this 

range the typical accuracy is ±(2.5%+1mA) and the last digit may drift ± 4 counts. 

 

Range DMM 

display 

400mA 

0.1mV / 0.1mA (400mA = 40.0mV) 

4A 

0.1mV / 1mA (4A = 400mV) 

30A 

0.1mV / 10mA (30A = 300mV) 

 

Jaw size 

0.9”

 

(23mm) max 

Power 

2 1.5V AA batteries 

Low Battery indication 

Red LED 

Power consumption 

10mA (approximately) 

Operating Temperature:

   14

°

 to 122

°

F  (-10 to 50

o

C), <85% R.H. 

Storage Temperature: 

 -4

°

 to 140

°

F  (-20 to 60

o

C), <75% R.H. 

Relative Humidity:

  

80% to 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 
 

WARNING

:    This indicates that a potentially hazardous condition which, if not avoided, 

could result in death or serious injury. 

CAUTION

:    This indicates that a potentially hazardous condition which, if not avoided, 

could result in injury or damage to the meter. 

Safety Precautions 

1. 

WARNING

: Improper use of this meter can cause damage, shock, injury or death. 

Read and understand this user's manual before operating the meter. 

2. 

Make sure any covers or battery doors are properly closed and secured. 

3. 

Use great care when making measurements if the voltages are greater than 
25VAC rms or 35VDC. These voltages are considered a shock hazard. 

4. 

Remove the battery if the adaptor is to be stored for long periods. 

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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