| 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,
Current |
AC Voltage,
Current,
Frequency |
DC Voltage,
Current |
AC Voltage,
Current,
Frequency |
DC Voltage,
Current |
AC Voltage,
Current,
Frequency |
| Power Supply |
100-240VAC 50/60Hz |
12-24VDC |
| Allowable Voltage Range |
90 to 100% |
90 to 100% |
| 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±2-digit / AC Type: F.S. ±0.3% rdg±3-digit
DC/AC Type F.S +0.3% rdg +3-digit max. only for 5A terminal.
(frequency: F.S.±0.1% rdg±2digit) -10 °C to 50 °C - DC/AC Type: F.S.±0.5% rdg±3-digit |
| 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. display 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 (transmission 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 dynamic output - NPN Open collector output: 12-24VDC Max. 50mA (resistive load)
DC4-20mA output - Resolution: 12,000 division (load resistance max. 600Ω), Response time: max. 450ms |
| 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 strength |
2,000VAC for 1 minute (between external terminal and case) |
| Noise strength |
±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 min.) in each X, Y, Z direction for 2 hours |
| Malfunction |
0.5mm amplitude at frequency of 10 to 55Hz (for 1 min.) in each X, Y, Z direction for 10 min. |
| Shock |
Mechanical |
100m/s² (approx. 10G) in each X, Y, Z direction for 3 times |
| Malfunction |
300m/s² (approx. 30G) in each X, Y, Z direction for 3 times |
| Relay Life Cycle |
Mechanical |
Min. 20,000,000 operations |
| Malfunction |
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 reinforced insulation
(mark: [], dielectric strength between the measuring input part and the power part: 1kV) |
| Approval |
![RU]() |
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| Weight*3 |
Approx. 213.5g (approx. 134g) |
Approx. 326g (approx. 211g) |
*1: AC measuring function, and frequency measuring function are only for AC measuring input type.
*2: MT4Y-[]-4N model has no hold function.
*3: The weight includes packaging. The weight in parentheses is for unit only.
*Environment resistance is rated at no freezing or condensation. |