ALHPD- Helical Flow Meters |
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ALVTM Electronics |
Process Connection : ¼"~ 1½" FNPT |
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LCD display : 8 digits (14 segments), digit height 7mm |
Operating pressure : PN 16/40 up to PN 400 |
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for real-time value, totals and programmable |
Process temperature : up to +150℃ (higher T up on request) |
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Linearization : with 10 points |
Flow rates : 0.01 to 400 LPM |
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Process temperature : -40 ~ +120 ℃ |
Viscosities : 30 up to 1 x 106 mm²/s ( below 30 mm²/s with |
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between flow meter and electronic housing |
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restricted measuring range and vertical mounting) |
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Ambient temperature : -40~ +70 ℃ |
Material : SS DIN 1.4571/1.4435 (SS316 Ti/316L) |
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Weight : 700 g |
Linearity : ±0.50% of actual flow value (from 30 mm²/s up) |
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Frequency output/divider : 3-wire, 8~ 30VDC controlled, |
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±0.25% of actual flow value (from 100 mm²/s up) |
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Ex-versions: <25 mA, 12~ 30 VDC |
Repeatability : ±0.10% |
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Signal output : push/pull, Imax: 20 mA, Frequency output, |
Weight : Flowmeters : 2.5 ~ 35 kg |
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fmax: 3k Hz, duty cycle: approx. 1:1, |
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Electronics : 0.25 ~ 2.5 kg |
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2.divider,pulse.width: 1, 20, 50(ms), fmax: 500 Hz |
ALVTE Carrier Frequency Pulse Amplifier |
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Analog output : 2-wire (4~ 20mA) |
Supply Voltage UB : +8.5~ 29 VDC, controlled (incl. |
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Supply voltage : 14~ 30VDC controlled, UB=(Rload) |
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reverse-battery protection) |
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x20mA + 14V |
Quiescent current : < 5 mA |
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Load : < 800 ohms |
Frequency range : 2~ 4,000 Hz |
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Time constant : < 0.2~ 3 s (programmable) |
Process temperature : 120℃ with a distance of at least |
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Resolution : 12 bit (3,9uA) |
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25 mm between meter and electronic housing 150℃ |
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Housing : IP 65, aluminum AlMgSiPb, blue anodized |
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at least 65mm |
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Ex-protection : II 2 G EEx ia IIC T4, BVS 03 ATEX E 205 |
High accuracy and Wide measuring ranges 1:100, 1:400. 
