Krohne Vortex flowmeter
VFM1090G, VFM5090,
1. Accuracy: 1% measured value
2. Current output: 4-20mA
3. Protection level: IP65
4. Gas, Liquid
Products of Vortex Flow Meter, have achieved intellectualization, standardization, serialization, universalization, ensuring standards for quality and elegant appearance.
Features:
Advanced circuits, low power consumption, wide ratio of measurement range, simple structure, a little resistance loss, durable design, extensive use, long service life, stable system and easy for installation and debugging.
| Measuring medium |
Liquid, gas, vapor |
| Medium temperature |
Normal temperature: -40° C~+80° C High temperature +280° C Maximum temperature +320° C |
| Medium pressure |
1.0MPa, 1.6MPa, 2.5MPa… 32MPa |
| Intrinsic error |
Full tube type: ± 0.5%, ± 1.0%, ± 1.5% Plug-in type: ± 2.5% |
| Ratio of measurement range |
1: 10 1: 20 1: 30 1: 40 |
| Range of flow speed |
Liquid(water): 0.25M/S~9.5M/S Gas: 4M/S~78M/S Vapor: 3M/S~78M/S |
| Caliber DN (mm) |
Full tube type: 15, 25, (32), 40, 50, (65), 80, 100, (125), 150, 200, 250, 300 Plug-in type: 300~3000 |
| Reynolds number |
Re> 4000 |
| Drag coefficient |
Full tube type: Cd ≤ 2.4, Plug-in type: Drag loss can be omitted |
| Degree of anti-explosion |
Intrinsic safety type: ia II T2~T5, Explosion-proof type: d II BT4 |
| Ambient temperature |
Non anti-explosive area: -40° C~+55° C Anti-explosive area: -20° C~+55° C |
| DC supply |
+3.6V, +12V, +24V (Field data show the supply is +3.6V for 3 to 5 years) |
| Output signal |
Frequency impulse signal: 1~2600Hz, low level≤ 1V, high level≥ 5V, transmitter: two-wire system 4~20mA |
| Material |
1Cr18Ni9Ti |
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