Technical Data
Type	VMZ03	VMZ06	VMZ08	VMZ15	VMZ20	VMZ25
Nominal diameter	DN 3	DN 6	DN 8	DN 15	DN 20	DN 25
Process connection [male thread]	G⅜	G½	G½	G¾	G 1	G 1¼
Inner diameter [mm]	3	6	8	14	18	25
Flow range [l/min]	0.1...2	0.25...5	1...20	2.5...50	5...200	12.5...250
Accuracy*	±0.7 % of reading ±0.3 % of range
Repeatability*	±1 %
Response time	<100ms
Signal output starting from [l/min]	0.05	0.1	0.25	1	4	5
Max. Flow rate [l/min]	2.5	6	25	60	240	300
Medium	Water and other conductive liquids
min. conductivity of medium	20 µS/cm
Medium temperature (Measuring pipe PVDF)	-15...80 °C (non-freezing)
Medium temperature (Measuring pipe POM)	-15...60 °C (non-freezing)
Ambient temperature	-15...60 °C
Storage temperature	-15...60 °C
Max. pressure rating	10 bar at 20 °C, 8 bar at 40 °C, 6 bar at 60 °C, 5 bar at 80 °C
Indications	LED green, flow proportional flashing
Degree of protection EN 60529	IP65 (with attached cable socket)
Electrical data
Electrical connection	4 pin plug connector M12 x 1
Power supply	12...24 VDC (±10 %) (With analog output 0.5...10 V: 16...24 VDC (±10 %))
Power consumption	Typical 1.1 W, max. 3.6 W
Electrical protection measures	Short-circuit proof and polarity protection
Frequency output
Pulse rate [pulses/l]*	10 000	4000	1000	400	200	80
Resolution [ml/pulse]*	0.1	0.25	1	2.5	5	12.5
Signal shape	Square wave signal, pulse duty ratio 50:50, Push-Pull
	NPN open collector
	PNP open collector
Signal current	Max. 100 mA
Analogue output 4...20 mA
Corresponds to flow rate [l/min]**	0...2	0...5	0..20	0...50	0...200	0...250​
Max. burden	250 Ω against GND
Analogue output 0.5...10 V
Corresponds to flow rate [l/min]**	0...2	0...5	0..20	0...50	0...200	0...250