Electrical testing and safety
Micro - ohmmeters
	C.A. 6240	C.A. 6250
	Measurement of weak resistances
Reference	P01.1432.00	P01.1432.01
Measurement Method	4-wire method
Resistance	5,000 μohm to 400.0 ohm	1 μohm to 2,500 ohm
Resolution	1 μohm	0.1 μohm
Accuracy	0.25%	0.05%
Current	10 mA to 10 A	1 mA to 10 A
Reversal current direction	yes	No but automatic compensation of eddy currents
Measurement mode	Inductive, non-inductive, non-inductive mode with automatic triggering
Temperature compensation	no	Manual or with Pt 100 probe
Power supply	Rechargeable NiMH battery
Electrical safety	IEC 61010-1/ Cat III 50V
Dimensions	270 x 250 x 180 mm
Weight	4.5 kg	4 kg
State of delivery	Mains lead/ leads with Kelvin clamps/software/ optical/ USB communication cable/ bag