Technical data

 VVX15

 VVX20

 VVX25

 Nominal diameter

 DN 15

 DN 25

 Process connection

 G¾-ISO 228 male, incl. O-rings

 G1-ISO 228 male, incl. O-rings

 or QuickFasten without O-rings

 G 1¼-ISO 228 male, incl. O-rings

 Inner diameter [mm]

 Ø 13

 Ø 19

 Ø 25

 Medium

 Water and aqueous solution

 Pressure rating

 PN 10

 Degree of protection EN 60529

 with attached cable socket

 IP65 and IP67

 Flow measuring

 Flow range*

 2...40 l/min 

 120...2,400 l/h

 5...80 l/min 

 300...4,800 l/h

 7...150 l/min 

 420...9,000 l/h

 Accuracy*

 → at < 50 % of range 

 → at > 50 % of range

 ±2 % of range 

 ±2 % of range

 ±0.75 % of range

 ±1.5 % of reading

 ±2 % of range 

 ±2 % of range

 Repeatability

 ±1 % at -20...5 °C ambient temperature 

 ±0.5 % at 5...70 °C ambient temperature

 Temperature ranges

 Medium

 -20...90 °C (non-freezing)

 Ambient

 -20...70 °C

 Electrical data

 Electrical connection

 4- or 5-pin plug connector M12 x 1

 Power supply for output signal 

 → Push Pull or NPN 

 → NPN

 → 4...20 mA or 0...10 V

 8...30 V DC 

 5 V DC (±5 %)

 12...24 V DC (±10 %)

 Current consumption

 < 15 mA

 Approvals

 WRAS APPROVED PRODUCT

 Intertek

• Conforms to ANSI UL Std.61010-1 • Cert. to CAN/CSA C22.2 No.61010-1 

 Frequency output

 VVX15

 VVX20

 VVX25

 Output signal flow for power supply

 → 8...30 V DC 

 → 5 V DC

 Frequency signal, square wave, pulse duty ratio 50:50, signal current max. 20 mA 

 Push Pull 

 NPN open collector

 Pulse rate [1/l]

 500 (optional 3...1000)

 200 (optional 2...800 )

 100 (optional 1...500)

 Output signal temperature

 Pt1000 2 wire, class B

 or NTC 10.74k, B 0/100 3450

 or none

 Analogue output

 VVX15

 VVX20

 VVX25

 Output signal flow

 0.5...3.5 V

 Scaling [l/min]

 2...40

 5...80

 7...150 l/min

 Voltage rate 

 → 0.5...3.5 V

 0.07895 V / l/min

 ​0.04000 V / l/min

 0.02098 V / l/min

 Output signal temperature

 Voltage signal 0.5...3.5 V corresponds to 0...90 °C 

 or none

 Analogue output

 VVX15

 VVX20

 VVX25

 Output signal flow

 0...10 V or 4...20 mA

 Scaling [l/min]

 0...40

 0...80

 0...150

 Voltage rate [V / l/min]

 → 0...10 V 

 Current rate [mA / l/min] 

 → 4...20 mA

 0.25000 

 0.40000

 0.12500 

 0.20000 

 0.06667

 0.10667 

 Output signal temperature

 none