SIKA VT 40 Series, Руководство по эксплуатации

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VT...40 Technical data
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8.2 VT...40 with analogue output, version AI
Type VTH40 VTM40
Characteristics measurement device
Measuring range
(See type plate for scaling) 0...150 l/min*
0...250 l/min*
0...400 l/min*
Accuracy
- Turbine
- Transducer
± 7 % of reading (0.4…3 m
3
/h)
±
5 % of reading (3…25 m
3
/h)
±1.25 % of reading
Repeatability
±
0.5 %
Signal output from > 0.28 m³/h (> 4.7 l/min)
Sensor Hall effect sensor
Characteristics output signal
Output signal 4…20 mA
Signal current ~ 26 mA
Max. load 250 Ω against GND
Residual ripple 0.2 mA (peak to peak) over the entire range
Electrical characteristics
Supply voltage 18…30 VDC
Max. current consumption 30 mA
Type 3-wire, galvanically not separated, common GND of power supply and out-
put signal
Electrical connection 4-pin plug connector, M12x1
Degree of protection
(EN 60529)
IP 54
Process variables
Medium temperature, max. 80 °C
Medium temperature, min. 0 °C, non-freezing
Ambient temperature 0…75 °C 0…85 °C
Nominal diameter DN 40
Nominal pressure PN 10 PN 50
Particle size in the medium < 0.63 mm
Integrated screen filter Flat filter, mesh size 0.63 mm
Process connection G 2 male thread, supplementary screwed connection recommended
* Not suitable for continuous operation.