Type

 VO, sensor

 • high measurement accuracy and repeatability 

 • low pressure drop 

 • applicable for fluids such as lubrication oils, mineral oils, hydraulic oils, fuels and liquified gases 

 • insensitive to vibrations, pressure changes and viscosity changes

 Type

 VO015

 VO06

 VO1

 VO2

 VO5

 VO10

 VO50

 VO115

 Technical data

 Measuring range [l/min] 

 → Oval gears st. steel (V0...VA) 

 → Oval gears PEEK (V0...VP / AP)

 0.03...1 

 0.03...1

 0.2...5 

 0.2...7

 0.4...10 

 0.4...14

 1...30

 1...30

 2...50

 2...60

 4...100 

 3...120

 15...300 

 35...660

 Process connection 

 → Thread 

 → Flange 

(according to DIN EN 1092-1)

 G¼

 G½

 G½

 G¾ 

 DN 15

 G 1

 G 1

 DN 25 

 G 2 

 DN 50

 G 2 

 DN 50

 Nominal puls rate [1/l]

 3100

 333

 166

 100

 40

 20

 4

 1.7

 Type

 VO...VA

 Housing stainless steel

 Oval gears stainless steel 

 VO...VP

 Housing stainless steel

 Oval gears PEEK

 VO...AP

 Housing aluminium

 Oval gears PEEK

 Technical data

 Accuracy*

 ±0.5 % of reading

 Repeatability*

 < 0.05 %

 Pressure rating

 Version with thread

 Version with flange

 PN 68 (PN 25 with FEP O-ring)

 PN 40 (PN 25 with FEP O-ring)

 PN 40 (PN 25 with FEP O-ring)

 PN 40 (PN 25 with FEP O-ring)

 Temperature range

 Standard

 -20...80 °C

 -10...80 °C

 High temperature sensor

 -25...130 °C

 not available

 Materials***

 Housing

 Stainless steel

 Stainless steel

 Aluminium

 Oval gears

 Stainless steel

 PEEK

 PEEK

 O-ring

 FKM (standard)

 or EPDM (option) 

 or FEP (option)

 FKM (standard) 

 or EPDM (option) 

 or FEP (option)

 FKM (standard) 

 or EPDM (option) 

 or FEP (option)

 Medium

 Allowable Viscosity

 0.3...350 mPa s

 0.3...150 mPa s

 Max. particle size

 25...100 µm

 Electrical data

 Supply voltage

 → Standard 

 → High temperature sensor

 10...30 VDC 

 18...30 VDC

 10...30 VDC

 10...30 VDC

 Electrical connection

 → Standard 

 → High temperature sensor

 M12 x 1 connector

 2 m silicone cable, 3 x 0.14 mm

 Signal output

 Standard 

 High temperature sensor

 NPN, PNP 

 PNP

 NPN, PNP

 Degree of protection

 EN 60529

 IP67

 Type

 V0, display

 • Actual flow rate indication 

 • Up to two VO sensors can be connected; configurable for differential measurement (Display 2 and 3) 

 • Total flow indication, password protected counter

 • Optionally available for wall mounting with bracket (for media temperatures up to 70 °C)

 Type

 Display 1

 Display 2

 Display 3

 Display

 8 digit

 Electrical data

 Power supply

 Battery

 Battery

 10...30 VDC

 Power consumption

 100 mA, 28 V

 Signal outputs

 Without

 Pulse output 

 NPN open collector

 Pulse output 

 NPN open collector 

 Analogue output 4...20 mA / 2-wire

 Electrical connection

 Terminal block / cable gland

 Cable length*

 2000 m

 Degree of protection EN 60529

 IP65

 Temperature range

 Medium temperature

 → standard 

 → high temperature

 -20...80 °C 

 -20...125 °C

 Ambient temperature

 -20...70 °C

 Storage temperature

 10...55 °C

 Type

 Local (meter mounted)

 Remote (wall mounting)