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Extech 380940 400A True RMS AC/DC Watt Clamp-on
Item #:
EXT-380940
Brand:
Extech
Share this product:
380940 400A True RMS AC/DC Watt Clamp-on by Extech
Features
- True RMS AC Voltage and Current
- 0.9" (23mm) jaw opening
- Large 4000 count LCD display
- Fast 40 segment analog bargraph
- Data Hold, Max/Min recall, Auto Zero (DC current), plus low battery indication
- Frequency to 10kHz
- Auto power off
- Complete with test leads, 2 AA batteries, and carrying case
| Display | 3‐3/4 digit (4032 count) LCD with 40 segment bargraph |
| Functions | Watts, ACA, DCA, ACV, DCV, Frequency |
| Polarity | "‐" indicates negative polarity; positive assumed |
| Current sensor | Hall effect sensor type |
| Overload indication | OL |
| DCA zero adjust | One touch zero key |
| Display rate | 3 readings/second (30 readings/second for bargraph) |
| Auto Power Off | Meter turns off automatically after 15 minutes |
| Battery | Two 1.5V AA batteries |
| Operating temp. | ‐10°C to 50°C (4°F to 122°F) |
| Operating Humidity | < 85% RH |
| Power consumption | Approximately 10mA DC |
| Weight | 190g (6.7 oz) including battery |
| Dimensions | 183 x 63.6 x 35.6mm (7.2 x 2.5 x 1.4") (HWD) |
| Jaw opening | 23mm (0.9”) maximum conductor size |
| Standards | IEC 1010 Category III 300V, Category II 600V |
Function |
Range |
Resolution |
Accuracy |
Overload protect |
|
AC Power |
40kW |
10W |
±(1.5% + 3dgts) |
250V, 400A |
|
Note: 50/60Hz, PF 0.6 to 1, Vpeak < 360V |
|||||
240kW |
100W |
±(1.5% + 3dgts) |
600V, 400A |
||
Note: 50/60Hz, PF 0.6 to 1, Vpeak < 850V |
|||||
40kW |
10W |
±(2.5% + 3dgts |
250V, 400A |
||
Note: 40Hz to 100Hz, PF 0.6 to 1, Vpeak < 360V |
|||||
240kW |
100W |
±(2.5% + 3dgts) |
600V, 400A |
||
Note: 40Hz to 100Hz, PF 0.6 to 1, Vpeak < 850V |
|||||
DC Powe |
40kW |
10W |
±(1.5% + 3dgts) |
250V, 400A |
|
240kW |
100W |
±(1.5% + 3dgts) |
600V, 400A |
||
DC Current |
400A |
100mA |
±(1.5% + 3dgts) |
600A DC |
|
AC Current True RMS, Crest factor < 4 |
50/60Hz |
40 to 100Hz |
|||
400A |
100mA |
±1.5% ±3dgts |
±2.5% ±4dgts |
600A AC |
|
DC Voltage |
400V |
0.1V |
±(1.0% + 2dgts) |
800V DC |
|
AC Voltage True RMS, Crest factor < 4, Input impedance 10MΩ |
50/60Hz |
40 to 1kHz |
|||
600V |
1V |
±(1.5% + 2dgts) |
±(2.0% + 4d) |
800V AC |
|
Frequency |
1Hz ‐ 100kHz |
0.001‐ 100Hz |
±(0.8% + 2dgts) |
Sensitivity 10V |
600V AC |
