Flow Meter
The rotational velocity of the rotary wheel varies linearly with the average velocity of the fluid flowing through the flow meter. A square wave pulse is generated by a Hall Effect from magnets embedded in the vanes of the rotor wheel. Depending on the output version of the MW-100, the pulse signal is relayed directly, converted to a 0-5 VDC (voltage) output. The voltage model is span-adjustable over the flow range of the unit.
Standard Specifications
| Connection Size | Measuring range |
|---|---|
| 1/4” FNPT or Rc | 0.6 to 5 L/min |
| 3/8” FNPT or Rc | 1.0 to 20 L/min |
Note:
All flow meters must be fitted with a Strainer which can withstand 1.5 MPa pressure with SS 316 mesh incorporated.
Low Flow Paddlewheel Flowmeter
- Very low flow sensitivity
- State-of-the-art electronics -- high reliability
- 4-20 mA, 0-10 VDC, or pulse output
- Adjustable flow switch -- built in
- Small foot print
- For liquids only
- Repeatability ± 0.5%
Standard Specifications
| Port Size | Range Code | Range (GPM) | Range (L/min) |
|---|---|---|---|
| 1/4" | 01 | 0.006-0.053 | 0.022-0.200 |
| 1/4" | 02 | 0.008-0.08 | 0.03-0.3 |
The rotational velocity of the rotary wheel varies linearly with the average velocity of the fluid flowing through the flow meter. A square wave pulse is generated by a Hall Effect from magnets embedded in the vanes of the rotor wheel. Depending on the output version of the MW-100, the pulse signal is relayed directly, converted to a 0-5 VDC (voltage) output. The voltage model is span-adjustable over the flow range of the unit.
Standard Specifications
| -- | 1/4" FNPT | 0.1 - 1 l/min, 0.3-3 l/min, 0.5 - 5 l/min |
|---|---|---|
| 3/8" FNPT | 1-10 l/min, 2-20 l/min, 3-30 l/min | -- |
| 1/2" FNPT | 4-40 l/min, 5-50 l/min | -- |
| 3/4" FNPT | 20-115 l/min | -- |
| 1" FNPT | 38-225 l/min | -- |
| Repeatability | + 0.5% | -- |
| Pressure Drop | < 1 psi maximum (0.07 bar), except 1/4" units, which are 3 psi maximum (0.2 bar) | -- |
| Materials Available | 316 SS, Teflon, Brass, Celcon, PVDF | -- |
| Mounting | Horizontal or vertical mounting; axis of rotor should be parallel to the ground | -- |
| Power Supply | Voltage Output Model | 12-24 V DC +10% 50 mA |
| 4-20 mA Output Model | 24 V DC +10% | - |
| 2 Form CDPDT Relay: * 60 watts maximum , * 2A at 30 V DC resistive | - | |
| Electrical Connections | 2 Belden cables, 18" wire pigtails: * 2 wire cable for power and ground * 5 wire cable for NO, NC, relay common, signal output and signal common. Customers wiring can be brought directly to terminal blocks on the PCB Custom connections available on request |
|
| Signal Outputs | Voltage: 0-10 V DC analog output (span - adjustable to 0-5 V DC) | |
| Current: 4-20 mA span adjustable output; maximum external bad:1K ohm | - | |
| Pulse Train | - | |
Note:
All flow meters must be fitted with a Strainer which can withstand 1.5 MPa pressure with SS 316 mesh incorporated.
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