| MT4W Series Specifications |
| Power Supply |
100-240VAC 50/60Hz |
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 |
| Input |
DC Voltage/Current, AC Voltage/Current, AC Frequency |
| Max. allowable input |
110% for each measured input range |
| A/D conversion method |
Practical over sampling using successive approximation ADC. |
| Sampling cycle |
DC type: 50ms, AC type: 16.6ms |
| Max. indication range |
-1999 to 9999 (4digit) |
| 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. (Load resistance) |
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 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 |
| Insulation resistance |
Min. 100MΩ (at 500VDC megger) between external terminal and case |
| Dielectric strength |
2,000VAC for 1minute between external terminal and case |
| Noise strength |
±2kV the square wave noise (pulse width: 1 ㎲ ) 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 |
| Weight |
Approx. 326g (approx. 211g) |