Meter, AC Volts, LED, W72xH36mm, 4-Digit, 0-500V Input, Relay + RS485 Communication Ouput, 100-240 VAC

Series		MT4Y-DV-4⋲ MT4Y-DA-4⋲	MT4Y-AV-4⋲ MT4Y-AA-4⋲	MT4W-DV-4⋲ MT4W-DA-4⋲	MT4W-AV-4⋲ MT4W-AA-4⋲	MT4W-DV-1⋲ MT4W-DA-1⋲	MT4W-AV-1⋲ MT4W-AA-1⋲
Measurement input		DC voltage, ampere	AC voltage, ampere, Frequency	DC voltage, ampere	AC voltage, ampere, Frequency	DC voltage, ampere	AC voltage, ampere, Frequency
Power supply		100-240VAC 50/60Hz (Allowable voltage range: 90 to 110%)				12-24VDC (Allowable voltage range: 90 to 110%)
Power consumption		5VA				5W
Display method		7 Segment LED display(red)(Character height:14.2mm)
Display accuracy		• 23°C±5°C - DC Type: F.S. ±0.1% rdg±2digit / AC Type: F.S. ±0.3% rdg±3digit DC/AC Type F.S +0.3% rdg +3digit max. only for 5A terminal. • -10°C to 50°C - DC/AC Type: F.S.±0.5% rdg±3digit
Max. allowable Input		110% F.S for each measured input range
A/D conversion method		Practical oversampling using successive approximation ADC
Sampling cycle		DC type: 50ms, AC type: 16.6ms
Max. Indication range		-1999 to 9999 (4 Digit)
Preset output		• Relay output - Contact capacity: 250VAC 3A, 30VDC 3A / Contact composition: N.O(1a) • NPN/PNP Open collector output - 12-24VDC ±2V 50mA Max. (Resistive load)
Sub output (Trans-mlssion output)		• RS485 communication output - Baud rate: 1200/2400/4800/9600, Communication method: 2-wire half duplex, Synchronous method: Asynchronous method, Protocol: Modbus type • Serial/BCD output - NPN Open collector output: 12-24VDC Max. 50mA(Resistive load) • DC4-20mA output - Resolution: 12,000 division(Load resistance max. 600Ω)
AC measuring function† 1		Selectable RMS or AVG
Frequency measurement function† 1		Measurement range : 0.100 to 9999Hz(Variable by decimal point position)
Hold function† 2		Includes(External hold function)
Insulation resistance		Min. 100MΩ(at 500VDC megger) between external terminal and case
Dielectric stength		2,000VAC for 1 minute between external terminal and case
Noise stength		±2kV the square wave noise(pulse width : 1µs) by the noise simulator
Vibration	Mechanical	0.75mm amplitude at frequency of 10 to 55Hz(for 1 mln.) in each of X, Y, Z directions for 2hours
	Malfunction	0.5mm amplitude at frequency of 10 to 55Hz(for 1 min.) In each of X, Y, Z directions for 10minutes
Shock	Mechanical	100m/s²(10G) in each of X, Y, Z directions for 3 times
	Malfunction	300m/s²(30G) in each of X, Y, Z directions for 3 times
Relay life cycle	Malfunction	Min. 20,000,000 operations
	Mechanical	Min. 100,000 operations(250VAC 3A Load current)
Environment	Ambient temperature	-10 to 50°C, storage: -20 to 60°C
	Ambient humidity	35 to 85%RH, storage: 35 to 85%RH
Insulation type		Double insulation or reinfored insulation (Mark: ⊡, dielectric strength between the measuring input part and the power part: 1kV)
Approval		CE, UL		CE, UL, RoHS		CE, RoHS
Unit weight		Approx. 134g		Approx. 211 g
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† 1: AC measuring function, and frequency measuring function are only for AC measuring Input type.
If only frequency Input the AC type(display method of measuring input) which option Is In MT4W, MT4W will operate the only Indicating type.
† 2: MT4Y-⋲-4N model has no hold function.
† Environment resistance is rated at no freezing or condensation.