Technical data

 Type

 VMM15

 VMM25

 VMM32

 VMM40

 VMM50

 VMM65

 VMM80

 VMM100

 VMM125

 VMM150

 VMM200

 Characteristics

 Nominal diameter

 DN 15

 DN 25

 DN 35

 DN 40

 DN 50

 DN 65

 DN 80

 DN 100 

 DN 125 

 DN 150 

 DN 200 

 Process connection

 Flange connection in accordance with EN 1092-1, JIS B2220 10K or ANSI B16.5

 Inner diameter

 → Hard rubber 

 → PTFE

 14.0

 14.0

 27.0

 27.0

 33.3

 33.3

 38.0 

 38.0

 48.5 

 48.5

 64.3

 63.3

 76.9 

 75.9

 102.5 

 102.5

 127.7 

 124.7

 156.3 

 152.3

 205.1 

 201.1

 Flow range 

 → Flow velocity [m/s]

 0...10

 → Volumetric flow 

     [m³/h]

 0...6.3

 0...17.6

 0...28.9

 0...45.2

 0...70.6

 0...119.4

 0...180.9

 0...282.7

 0...441.7

 0...636.1

 0...1130

 Accuracy*

 v = 1...10 m/s 

 v < 1 m/s

 additionally 

 Frequency output 

 Analogue output

 ±0.5 % of reading 

 ±0.4 % of reading ±1 mm/s

 ±0.05 % per 10 K

 ±0.1 % per 10 K

 Repeatability

 ±0.15 %

 Response time

 < 100 ms (Depending on the electronics settings)

 Signal output 

 starting from

 > 0 m/s

 Medium

 Water and other conductive liquids

 Min. conductivity 

 of medium

 20 µS/cm

 Medium temperature

 → Hard rubber

 → PTFE 

 → Process connections 

 → Process connections

 0...90 °C

 -20...100 °C at 40 bar

 -20...130 °C at 25 bar

 -20...180 °C at 16 bar (only for separate version) 

 Min. -10 °C (steel) 

 Min. -20 °C (stainless steel)

 Ambient temperature 

 → Hard rubber 

 → PTFE 

 → Process connections 

 → Process connections 

 → Display

 0...80 °C

 -20...100 °C

 Min. -10 °C (steel) 

 Min. -20 °C (stainless steel) ]

 -20...50 °C (The readability of the LCD display is restricted below 0 °C)

 Storage and 

 transport temperature

 -20...60 °C

 Pressure rating 

 → EN1092-1 

 → JIS B2220 10K 

 → ANSI B16.5 150 RF

 PN 40

 PN 40

 PN 40

 PN 40

 PN 40

 PN 16**

 PN 40

 PN 16 

 PN 40

 PN 16 

 PN 40

 PN 16 

 PN 40

 PN 16 

 PN 40

 PN 10 

 PN 16 

 PN 25 

 PN 40

 9.8 bar

 19.6 bar (Process connection, steel) 

 15.9 bar (Process connection, stainless steel)

 Display

 LCD two-line, backlight

 Operation

 6 keys, menu-driven

 Degree of protection

 EN 60529

 IP67