MODEL: MEWT

MEWT SPECIFICATIONS

ES-1921 Rev.7 Page 1/5

http://www.m-system.co.jp/

Plug-in Signal Conditioners M-UNIT

WATT TRANSDUCER

Functions & Features

• Providing a DC output signal in proportion to AC active

power

• Measuring bidirectional power flow

• DC output containing little ripple is ideal for computer

input

• "Time division multiplication" method accepts distorted

waveforms

• Isolation up to 2000 V AC

• High-density mounting

Typical Applications

• Centralized monitoring and control of power management

system in a manufacturing facility or building

• SCR – Silicon Controlled Rectifier

50

(1.97)

136

(5.35)

80

(3.15)

mm (inch)

MODEL: MEWT–[1][2][3]–[4][5]

ORDERING INFORMATION

• Code number: MEWT-[1][2][3]-[4][5]

Specify a code from below for each of [1] through [5].

(e.g. MEWT-11A-B/Q)

• Calibration range (e.g. 0 – 1000 W)

• VT ratio, CT ratio (e.g. VT 3300/110 V, CT 250/5 A)

• Special output range (For codes Z & 0)

• Specify the specification for option code /Q

(e.g. /C01/S01)

[1] CONFIGURATION

1: 3-phase / 3-wire

2: Single-phase / 2-wire

3: Single-phase / 3-wire

[2] INPUT (unbalanced load)

1: 110 V / 5 A AC

2: 110 V / 1 A AC

3: 220 V / 1 A AC

4: 220 V / 5 A AC

A: 100 V / 200 V / 1 A AC (single-phase / 3- wire)

B: 100 V / 200 V / 5 A AC (single-phase / 3- wire)

[3] OUTPUT

Current

A: 4 – 20 mA DC (Load resistance 600 Ω max.)

B: 2 – 10 mA DC (Load resistance 1200 Ω max.)

C: 1 – 5 mA DC (Load resistance 2400 Ω max.)

D: 0 – 20 mA DC (Load resistance 600 Ω max.)

E: 0 – 16 mA DC (Load resistance 750 Ω max.)

F: 0 – 10 mA DC (Load resistance 1200 Ω max.)

G: 0 – 1 mA DC (Load resistance 12 kΩ max.)

GW: -1 – +1 mA DC (Load resistance 10 kΩ max.)

Z: Specify current (See OUTPUT SPECIFICATIONS)

Voltage

1: 0 – 10 mV DC (Load resistance 10 kΩ min.)

2: 0 – 100 mV DC (Load resistance 100 kΩ min.)

3: 0 – 1 V DC (Load resistance 1000 Ω min.)

4: 0 – 10 V DC (Load resistance 10 kΩ min.)

5: 0 – 5 V DC (Load resistance 5000 Ω min.)

6: 1 – 5 V DC (Load resistance 5000 Ω min.)

1W: -10 – +10 mV DC (Load resistance 10 kΩ min.)

2W: -100 – +100 mV DC (Load resistance 100 kΩ min.)

3W: -1 – +1 V DC (Load resistance 1000 Ω min.)

4W: -10 – +10 V DC (Load resistance 10 kΩ min.)

5W: -5 – +5 V DC (Load resistance 5000 Ω min.)

0: Specify voltage (See OUTPUT SPECIFICATIONS)

[4] POWER INPUT

AC Power

B: 100 V AC

C: 110 V AC

D: 115 V AC

F: 120 V AC

G: 200 V AC

H: 220 V AC

J: 240 V AC

DC Power

S: 12 V DC

R: 24 V DC

V: 48 V DC

P: 110 V DC

[5] OPTIONS

blank: none

/Q: With options (specify the specification)