Megger MTR105 - Page 88

Humidity 90% RH at 40 °C (104 °F) max.
Calibration temperature 20 °C (68 °F)
Maximum altitude 3000 m (9843 ft.)
IP rating IP 54
Physical
Display Full LCD colour screen with user configurable back-light
Dimensions 228 x 105 x 75 mm (8.98 x 4.1 x 2.95 in)
Weight 0,93 kg (2,05 lbs)
Fuse x2 500 mA (FF) 1000 V 32 x 6 mm ceramic fuse, high break capacity HBC,
30 kA minimum Glass fuses must not be installed.
Operational Uncertainty, IEC61557
Insulation
Fiducial Value A E
1
E
2
E
3
Operational Uncertainty
0.1 MΩ to 0.99 MΩ 0.1 MΩ 22 % 0 0 0 22 %
1 MΩ to 9.99 MΩ 1 MΩ 4 % 0 0 0 4 %
10 MΩ to 99.9 MΩ 10 MΩ 4 % 0 0 0 4 %
100 MΩ to 999 MΩ 950 MΩ 2.2 % 0 0 5.4 % 8.5 %
Continuity
Fiducial Value A E
1
E
2
E
3
Operational Uncertainty
0.1 Ω to 2 Ω 0.1 Ω 23 % 0 0 0 23 %
Key to table: A: Intrinsic uncertainty
E
1
: Reference position ±90º
E
2
: Supply Voltage
E
3
: Temperature 0 ºC to 30 ºC
IEC61557 -1, 61557-2 and 61557-4
Specifications
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