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| Extech 400A True RMS AC/DC Watt Clamp-on |
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| 380940 |
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$329.99 |
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| Extech 400A True RMS AC/DC Watt Clamp-on w/NIST |
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| 380940-NIST |
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$419.99 |
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Measures Watts, Current, and Voltage
Extech 380940 Features:
- True RMS AC Voltage and Current
- DC and AC True Power to 240kW
- Highest resolution of any power clamp multimeter (10W or 100mA)
- 0.9" (23mm) jaw opening
- Large 4000 count LCD display
- Fast 40 segment analog bargraph current
- Auto Zero function for DC Current
- Data Hold, Max/Min recall display
- Frequency to 1MHz
- Low battery indication
- Complete with test leads, 2 AA batteries, and carrying case
NOTE: For an additional charge, Extech will supply your meter complete with a Certificate of Calibration Traceable to N.I.S.T. with Data.
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| Specs for 380940 |
Range |
Resolution |
Accuracy
(%rdg+digits) |
Input Signal Range |
| AC Power |
40kW
240kW |
10W
100W |
±(1.5% + 3d)@50/60Hz
±(1.5% + 3d)@50/60Hz |
0-250V, 0-400A, PF 0-1
0-600V, 0-400A, PF 0-1 |
| DC Power |
40kW
240kW |
10W
100W |
±(1.5% + 3d)
±(1.5% + 3d) |
0-250V, 0-400A
0-600V, 0-400A |
| AC Current |
400A |
100mA |
±(1.5% + 3d)@50/60Hz |
Overload protection:
600A AC
(AC freq. range 40Hz-1kHz) |
| DC Current |
400A |
100mA |
±(1.5% + 3d) |
Overload protection:
600A DC |
| AC Voltage |
600V |
1V |
±(1.5% + 2d)@50/60Hz |
Overload protection:
800V AC |
| DC Voltage |
400V |
0.1V |
±(1.0% + 2d) |
Overload protection:
800V DC |
| Frequency |
1MHz |
0.01-100Hz |
±(0.5% + 2d) |
Overload protection:
600V AC |
| Dimentions |
7.2 x 2.5 x 1.4" (183 x 64 x 36mm) |
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