Technical data | |||||||||||
Type | VZ0.025 | VZ0.04 | VZ0.1 | VZ0.2 | VZ0.4 | VZ1 | VZ3 | VZ5 | |||
Size | 0.025 | 0.04 | 0.1 | 0.2 | 0.4 | 1 | 3 | 5 | |||
Process connection | Via subplate with lateral female thread connection | ||||||||||
Measuring range* [l/min] | 0.008...2 | 0.02...4 | 0.04...8 | 0.16...16 | 0.2...40 | 0.4...80 | 0.6...160 | 1...250 | |||
Measuring range* [l/h] | 0.48...120 | 1.2...240 | 2.4...480 | 9.6...960 | 12...2,400 | 24...4,800 | 36...9,600 | 60...15,000 | |||
Geometric gear volume [cm³] | 0.025 | 0.04 | 0.1 | 0.245 | 0.4 | 1.036 | 3 | 5.222 | |||
Measuring accuracy | ±0.3 % of reading (≥20 mm²/s) | ||||||||||
Repeatability | < 0.1 % under same conditions | ||||||||||
Start of gear wheel rotation [l/min] | 0.001 | 0.004 | 0.008 | 0.01 | 0.01 | 0.02 | 0.03 | 0.04 | |||
Start of gear wheel rotation [l/h] | 0.06 | 0.24 | 0.48 | 0.6 | 0.6 | 1.2 | 1.8 | 2.4 | |||
Viscosity of medium | 1...100,000 mm²/s | ||||||||||
Medium temperature range** → Standard → Without pre-amplifier (for TD8250)→ High temperature | FKM FEP EPDM -15...120 °C -30...120 °C -30...120 °C 0...60 °C 0...60 °C 0...60 °C -40...150 °C -40...150 °C -40...150 °C | ||||||||||
Ambient temperature range** | FKM FEP EPDM -15...80 °C -30...80 °C -30...80 °C | ||||||||||
Maximum pressure rating | 480 bar | 480 bar | 480 bar | 480 bar | 480 bar | 480 bar | 350 bar | 350 bar | |||
Maximum foreign particle size → Versions with ball bearing |
20 µm 30 µm | ||||||||||
Degree of protection EN 60529 | IP65 | ||||||||||
Output signals | |||||||||||
→ Plus rate [pulse/l] | 40,000 | 25,000 | 10,000 | 4,081.63 | 2,500 | 965.25 | 333.33 | 191.5 | |||
→ Resolution [ml/pulse] | 0.025 | 0.04 | 0.1 | 0.245 | 0.4 | 1.036 | 3 | 5.222 | |||
→ Signal shape | 2-channel, squarewave, PNP, pulse duty ratio 1:1 | ||||||||||
Electrical data | |||||||||||
Electrical connection | Plug connector incl. cable socket | ||||||||||
Power supply | 12...30 VDC / max. 90 mA | ||||||||||
Power consumption [short-circuit proof] | 0.9 W |
* For media with high viscosity the measuring range is reduced. The max. pressure drop shouldn't exceeded 16 bar (see pressure drop diagrams)
** Depending on sealing material
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