Digital TRMS Power Meter
Model 3910

  • Large format display
  • Simple, user-friendly operation
  • Selectable single-phase and three-phase settings
  • True RMS measurements for distorted waveform environments
  • Direct display of multiple measurements for easy readings
  • Measures directly Arms, Vrms, PF, kW, kVar, kVA and Hz
  • Peak and memory functions for load analysis
  • Compact and rugged instrument complete with 500 A current probe and safety yellow rubber housing
  • Designed for everyday use - accurate and economical
  • Single phase and three phasae
  • Built to IEC 348 safety standards
Description
This autoranging, True RMS power meter is designed for today's electrical environments. Operation is simple. There are no programming requirements or menus, just four push buttons for direct access.
Troubleshooting and measuring power is done simply by connecting two voltage leads and clamping on the current probe. The Model 3910 is easier to operate than most DMM's, and may even replace your multimeter.
The Model 3910 performs current and voltage measurements in True RMS, and provides immediate readings of Power Factor, Active Power, Reactive Power, Apparent Power and Frequency. The Peak function lets the user select a specific parameter (A, V or W) for a peak mesaurement and also displays the associated values at the particular peak. The unique memory function permits storing the measurements at any time, as well as comparison of subsequent readings by displaying the difference between the stored values and new readings. Measurements may be on single-phase or balanced three-phase, three-wire systems.
Model Model 3910
Measurement Range Accuracy (50/60Hz)
Current
(True RMS)
1-500Arms
(1000A*)
With supplied probe
25.0 A:±5% R, Phase 4°
100 A:±2% R, Phase 2°
500 A:±2% R, Phase 1.5°
Voltage
(True RMS
1-600Vrms 1-99.9V: 0.5% R ۪.6V
100-600V: 0.3% R ±2V
Frequency 300-100Hz
101-1000Hz
0.03% R ±0.1Hz
0.5% R ±1Hz
Power
Factor
-0.00 - +0.00 Sum of the V and A Accuracy plus the probe phase shift
Active
Power
30-300kW
(600 kW*)
Sum of the V and A Accuracy plus the probe phase shift
Reactive
Power
30-300kVar
(600 kVar*)
Sum of the V and A Accuracy @ sin F=1 plus the probe phase shift
Apparent
Power
30-300kVA
(600 kVA*)
Sum of the V and A Accuracy
* With optional 1000 A probe
* consult AEMC for other probes
Power Supply: Four 1.5V "AA" alkaline batteries
Display: 40x50mm multidisplay LCD
Dimensions: Case: 3.2x6.9x1.3" (80x175x32mm)
Weight: (instrument with batteries) 15oz (400g)
TO ORDER:
Model 3910 (Cat# 2111.27) includes holster, 500 A AC clamp-on probe, two 5' leads, two test probes, two test probe grips, batteries, user manual and carrying case.
Optional Accessories: Current probe Model SD613 (Cat# 1200.65) measures 10 1000 A.
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W.E.I. Inc.
107 Baker Street
Syracuse, New York 13206
Phone: 315.437.4281
Fax: 315.437.4296
E-Mail: wei@traknet.com