Type | VTH40 | VTM40 |
---|---|---|
Material pipe section | Brass | |
Flow range | 0.4...25 m³/h (6.7...417 l/min)* | |
Accuracy | ±7 % of the measured value between 0.4...3 m³/h ±5 % of the measured value between 3...25 m³/h |
|
Repeatability | ±0.5 % | |
Signal output | From 0.28 m³/h | |
Medium temperature | 0...85 °C (non-freezing) | |
Pressure rating | PN 10 | PN 50 |
Nominal diameter | DN 40 | |
Process connection | G 2 male thread, supplementary screwed connection recommended | |
Sensor | Hall effect sensor | |
Output signal |
26.6 pulses/l 37.6 ml/pulse Square wave signal NPN open collector Max. 19 mA |
|
Electrical connection | 2 m PVC cable, shielded (Tmax = 75 °C) | 4 pin plug connector M12 x 1 |
Power supply | 10...30 VDC optional 4.5. 26.5 VDC |
6.5...24 VDC short circuit proof and reverse polarity protected |
Degree of protection | IP54 | |
Max. particle size in the medium | < 0.63 mm | |
Integrated screen filter | Flat filter, mesh size 0.63 mm |
Materials in contact with fluid | ||
---|---|---|
VTH40 | VTM40 | |
Pipe section | Brass CW724R | |
Turbine cage | PS-ST Xarec® 20 % glass fibre reinforced | |
Rotor | PS-ST Xarec® 20 % glass fibre reinforced | |
Shaft | Stainless steel 1.4539 | |
Bearing | Sapphire / PA | |
Housing for hall sensor | PS-ST Xarec® 20 % glass fibre reinforced | Brass CW602N / CW614N |
O-ring | EPDM | |
Flow guiding cone | POM | |
Screen filter | Stainless steel 1.4301 | |
Retaining ring | Stainless steel 1.4122 |