MM-370C MM-122A WM-A728

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Model		MM-370C
Current	Measuring range	(1)0.1 – 2.000kA (2)0.3 – 6.00kA (3)1 – 20.00kA (4)3 – 60.0kA (5)10 – 200.0kA
	Measured value	Arithmetic mean RMS or PEAK
	Measurement accuracy	For range (1)(3)(5) ± (1%rdg+9 – 20dgt) For range (2)(4) ± (1%rdg+3 – 7dgt) *1
Voltage	Measuring range	2 ranges, 6.00 V or 20.00 V
	Measured value	Arithmetic mean RMS or PEAK
	Measurement accuracy	±(1%rdg+3dgt)
Welding time	Measuring range	AC mode	DC mode
Welding time	Measuring range	50Hz:0.5 – 500.0CYC/ 60Hz:0.5 – 600.0CYC	1 – 2000ms
Force	Measuring range	4.90 – 98.06N(MA-520), 49.0 – 980.6N(MA-521), 490 – 9806N(MA-522)
	Measuring range	245 – 4903N(MA-770A), 490 – 9806N(MA-771A)
	Measured value	RMS or PEAK
	Measurement accuracy	± (Load cells full scale error +2%rdg+29dgt)
Displacement (option)	Measuring range	±30.000 (When sensor with resolution of 1µm or finer is used)
	Measuring range	±300.00 (When sensor with resolution of 10µm or finer is used)
	Measured value	Displacement at end of delay time, start measuring from welding start
	Measurement accuracy	±0.05% of full scale
Conduction angle measurement		0 – 180 degree (CYC mode only)
Number of schedules		127 schedules
Printer		Printable items: Measurement data, waveforms, all cycles, setting condition data, screen copies, print history
Input power supply voltage		Single-phase 100 – 240VAC ±10% 50/60Hz
Power consumption		50W
Mass		Approx. 5kg