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DMZ-4.2W Flow Volume Counter

The DMZ-4.2W Flow Volume Counter is used for dosing or filling preset fluid volumes with two limiting values. This unit also captures the flow rate and can therefore be used as an adjustable flow monitor. A freely configurable current output can be assigned either to the volume or to the speed. Commercially available a flow sensors, which emit pulses proportional to the volume, are used as signal generators. These could be contact-equipped water meters or impeller wheel recorders, for example. Multiple configuration and setting options enable the user to adjust the unit precisely to the given application.

Technical Data

Power supply
230 V AC +5%/-10%, 50 Hz

Power consumption
approx. 15 VA

Fuse protection
4 A mT

1x 230 V AC approx. 4 mA
5 x neutral NO switch to GND
10 V DC,
I approx. 9 mA
Contact resistance: max. 1.5 kOhm

Relay outputs
5 x neutral, max. 230 V AC, 2 A

Current output
0(4)...20 mA, max. load 400 Ohm
Linearity: 0.5% FS

Water meter with neutral contact or NPN open collector or vane-type sensor with NPN open collector

Transmitter factor
0.01 ... 9999 pulses / liter

max. transmitter frequency
500 Hz (adjustable) Programmable contact de-bouncing via max. sender freq.
Ambient temperature:
-20 ... +55 °C

DIN plastic housing
for IP54 wall mount

W / H / D : 243 x 193 x 116 mm

Ordering information:
DMZ-4.2W: E1726

pdf data sheet (german)

pdf description (german)