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Extech 380940 400A True RMS AC/DC Watt Clamp-on with NIST

Item #:
EXT-380940-NIST
Brand:
Extech
Extech 380940 400A True RMS AC/DC Watt Clamp-on with NIST
$449.99
Qty

Discontinued

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Extech 380940 400A True RMS AC/DC Watt Clamp-on with NIST

Extech 380940 400A True RMS AC/DC Watt Clamp-on with NIST

$449.99

Discontinued


380940 400A True RMS AC/DC Watt Clamp-on with NIST 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
General Specifications
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

Range Specifications
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

Datasheets & User Manuals

Questions & Answers