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Clamp On Digital Earth Resistance Tester 250ER Merk Constant
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Update Terakhir
15 Mar 2016
Negara Asal
Australia
Pembelian Min
1

Spesifikasi

Clamp On Digital Earth Resistance Tester 250ER Merk Constant

Features :

  • Power measurement of 3-phase 3-wire circuit, 3-phase 4-wire circuit and single phase circuit
  • Measure V, A, W, VA, VAR, kWh, Power Factor (Cos j), and Hz
  • Double scales analogue bar graph to display voltage & current fluctuation
  • Minimum current of Active Energy measurements is 5A, measure expanding energy per hour of general electrical equipment. Measure and display 5 parameters of power of each phase : Active Power, Apparent Power, Power Factor, Reactive Power, Active Energy, and Total Power value in 3-phase measurement mode respectively
  • Double lines display 2 parameters on each menu,store 28 groups of measurement parameter
  • Display measurement time and select tested voltage signal at one time in Active Energy measurement mode for long measurement
  • Portable, light and easy to carry
  • External power supply for long time active energy measurement
  • Maximum/minimum value measurement
  • ”OL” for input voltage exceeds 600V, current exceeds 1000A, active power exceeds 600kW
  • Low battery indication
FunctionRange - ResistanceAccuracy
Resistance 0.01 ~ 0.999Ω - 0.001Ω ±(1.5% rdg + 0.01Ω)
1 ~ 9.99Ω - 0.01Ω ±(1.5% rdg + 0.1Ω)
10 ~ 99.9Ω - 0.1Ω ±(2.0% rdg + 0.3Ω)
100 ~ 199.9Ω - 1Ω ±(3.0% rdg + 1Ω)
200 ~ 400Ω - 5Ω ±(6.0% rdg + 5Ω)
400 ~ 600Ω - 10Ω ±(10% rdg + 10Ω)
600 ~ 1200Ω - 20Ω ±(20% rdg + 20Ω)
AC Current 100mA - 0.1mA ±(2.5% rdg + 1mA)
300mA - 0.3mA ±(2.5% rdg + 2mA)
1A - 0.001A ±(2.5% rdg + 0.003A)
3A - 0.003A ±(2.5% rdg + 0.01A)
10A - 0.01A ±(2.5% rdg +0.03A)
20A - 0.03A ±(2.5% rdg + 0.05A)
Display 4 digits, 9999 counts
Max. Conductor Size ø32mm or 45mm x 32mm
Battery 9V Alkaline
Size / Weight H276 x W104 x D54mm / Approx. 1050g
Standard Accessories 3 Calibration Loops (1Ω, 5Ω and 100Ω), Hard Case, Battery, Manual, Calibration, Constant Certificate

 

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