Technical data

 Type

 VZ0.04AL

 VZ0.2AL

 VZ2AL

 VZ5AL

 Size

 0.04

 0.2

 2

 5

 Process connection

 G¼

 G⅜

 G¾

 G 1

 Measuring range [l/min]*

 0.02...4

 0.16...16

 1...65

 1...200

 Measuring range [l/h]*

 1.2...240

 9.6...960

 60...3,900

 60...12,000

 Geometric gear volume [cm³]

 0.04

 0.245

 2

 5.222

 Measuring accuracy

 ±1 % of reading

 ±1 % of reading

 ±1 % of reading

 ±1 % of reading

 Repeatability

 Up to 0.5 % under same conditions

 Start of gear wheel rotation [l/min]

 0.004

 0.01

 0.12

 0.1

 Start of gear wheel rotation [l/h]

 0.24

 0.6

 7.2

 6

 Viscosity of medium

 20...4000 mm²/s

 20...4000 mm²/s

 20...4000 mm²/s

 20...4000 mm²/s

 Medium temperature range

 -10...80 °C integrated preamplifier

 0...60 °C without preamplifier (for TD8250)

 Ambient temperature

 -10...80 °C

 Maximum pressure rating

 240 bar

 200 bar

 200 bar

 100 bar

 Indication

 Cable socket with 

 one LED for pulse signal

 Cable socket with two

 LED for pulse signal 

 (two channels)

 Cable socket with 

 one LED for pulse signal

 Cable socket with 

 one LED for pulse signal

 Degree of protection EN 60529

 IP65

 Weight [kg]

 0.5

 0.6

 1.9

 6

 Output signals

 → Puls rate [pulses/l]

 25 000

 4081.63

 500

 191.5

 → Resolution [ml/pulse]

 0.04

 0.245

 2

 5.222

 → ​Signal shape

 Pulse signal, squarewave, PNP, pulse duty ratio 1:1 ±15 %

 Electrical data

 Electrical connection

 Plug connector incl. cable socket

 Power supply

 12...30 V DC reverse polarity protection

 Power consumtion 

 [short-circuit proof]

 0.6 W

 0.9 W

 0.6 W

 0.6 W