AEMC 6471 - Operation; General Operating Instructions

Ground Resistance Tester Model 6471 23
3.4 Power
PowerSource: Rechargeable 9.6V, 3.5Ah NiMH Battery Pack
PowerSupply:110/220, 50/60Hz external charger with 18VDC, 1.9A output or
12VDC vehicle power
Fuse:0.63A, 250V, 5x20mm, 1.5kA
BatteryLife:
Function Power consumed Typical number of measurements
(1)
Device off < 5 mW —
Voltage Measurement 1.5 W 4500
m
Ω
(2)
4.9 W 1500
3-Poles, 4-Pole
(3)
4.9 W 1500
ρ
(4)
4.9 W 1500
2 Clamps 3.7 W 2000
(1): Measurements in automatic mode at 25-s intervals
(2): With R = 1Ω
(3): With RH + RE = 100Ω
(4): With RH + RS-ES = 100Ω
3.5 Mechanical
Dimensions: 10.7 x 9.76 x 5.12" (272 x 248 x 130mm)
Weight:7 lbs (3.2kg) approx
CaseMaterial: ULV0 Polypropylene
Terminals:4mm recessed banana jacks
CaseProtection:EN 60529 - IP53 (cover closed)
DropTest:Per EN 61010-1
VibrationTest:Per EN 61557-1
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