5 kV Insulation Resistance Tester Megger BM11D

The Megger® BM11 series of 5 kV Insulation Testers provides a choice of features to suit all applications and budgets.
The traditional BM11 instrument became the industry standard 5 kV tester. It is battery-powered, housed in a rugged case and has a large, simple white-on-black scale.
These instruments show results and test options on a large, clear analogue/digital scale for both practicality and precision. A built-in timer makes both spot tests and PI testing easier to carry out. They are powered by a built-in rechargeable lead-acid battery which can be charged directly from any supply from 95 V to 265 V. All testers incorporate a guard terminal to allow surface leakage to be removed. Pre-set standard test voltages at 500 V, 1000 V, 2500 V and 5000 V are supplemented. These top of the
range units also allow measurement of resistance to 5 TΩ, leakage current to 0,01 nA and can display capacitance at the end of a test to 10 μF.

Test voltages (d.c.): 500, 1000, 2500, 5000 V;
Accuracy (20°C): ±5% on 100 MΩ load;
Insulation Resistance Range:
– Digital: 10 kΩ to 50 GΩ @ 500 V;
10 kΩ to 100 GΩ @ 1000 V;
10 kΩ to 250 GΩ @ 2500 V;
10 kΩ to 500 GΩ @ 5 kV;
– Analogue: 100 kΩ to 1 TΩ @ all voltages;
Basic Accuracy: ±5% of reading 10 MΩ to 100 GΩ @ 5 kV;
Short Circuit Current: 1,8 mA nominal, 2 mA max;
Voltage Range: 50 to 1000 V d.c. or a.c.;
Accuracy (20°C): ±2% ±1 V;
Display: Analogue/digital (3 digits);
Interference Rejection: 1 mA r.m.s. per kV to a maximum 2 mA;
Capacitor Discharge Time: < 2s per μF to discharge from 5000 V to 50 V; Leakage current measurement: None; Capacitance measurement: None; Timer: Automatic; 0 to 60 minutes; Temperature Operating: -20to +50°C; Temperature Coefficient: (Applies over range 0 to 30°C) 0,1% per °C to test voltage.

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