µ-FLOW are Liquid Flow Meters/Controllers for ultra low flow ranges. The instruments operate on a thermal, thru-flow measuring principle. The flow meter can be connected to a control valve to form a closed control loop.
Lowest range 5 … 100 mg/h
Highest range 0,1 … 2 g/h (fluids with thermal properties similar to H2O)
Note:
For higher flow ranges, Bronkhorst High-Tech offers the LIQUI-FLOW™ series.
Ranges: 0,1 … 5 g/h up to 0,4 … 20 kg/h H2O-equivalent.
Flow control
Flow control is achieved by integrating a control valve onto the body of the Liquid Flow Meter. This control valve has a purge connection to eliminate air or gas during start-up. The electronic control function forms part of the normal circuitry in the meter.
Features
- No moving parts
- Thru-Flow measurement
- Attitude insensitive
- Fast and accurate measurement
- Negligible dead-volume (sensor: 1,5…33 µl)
- In combination with a control valve: continuous and stable control
- Analog or digital: RS232, Profibus-DP®, DeviceNet™, Modbus or FLOW-BUS
- Stainless Steel sensor
- NEW: 1000 bar (15000 psi) LFM for 100 up to 450 mg/h FS (based on H2O)
Flow capacities (based on H2O equivalent)
| Liquid Flow Meter |
Ranges |
| Series L01(PN400) |
min. 5 … 100 mg/h
max. 0,1 … 2 g/h |
| Series L02-20D (PN1000) |
min. 7,5 … 150 mg/h
max. 22,5 … 450 mg/h |
| Liquid Flow Controller |
Ranges |
| Series L01V12 (PN100) |
min. 5 … 100 mg/h
max. 0,1 … 2 g/h |
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Hoskin Géotechnique
Hoskin Instrumentation
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