Digital Flow Switch For Water PF2W Series
Caution
- See catalog for specification details.
- Product pictures are representations. CAD data is not supported for some model numbers.
Product Description
Integrated and remote type flow switch.
[Features]
· Has switch output, accumulated pulse output and analog output.
· Can switch between accumulated flow rate and instantaneous flow rate.
· Water-resistant construction conforming to IP65.
Digital Flow Switch For Water PF2W Series Specifications
PF2W7 Series external appearance (integrated display type)
PF2W5 Series external appearance (remote-type sensor unit)
PF2W7 Specifications
| Model | PF2W704 | PF2W720 | PF2W740 | PF2W711 | |
|---|---|---|---|---|---|
| Measured fluid | Water | ||||
| Flow rate measurement range | 0.35 to 4.5 L/min | 1.7 to 17.0 L/min | 3.5 to 45 L/min | 7 to 110 L/min | |
| Set flow rate range | 0.35 to 4.5 L/min | 1.7 to 17.0 L/min | 3.5 to 45 L/min | 7 to 110 L/min | |
| Rated flow range | 0.5 to 4 L/min | 2 to 16 L/min | 5 to 40 L/min | 10 to 100 L/min | |
| Minimum set unit | 0.05 L/min | 0.1 L/min | 0.5 L/min | 1 L/min | |
| Accumulated pulse flow rate exchange value (pulse width: 50 ms) | 0.05 L/pulse | 0.1 L/pulse | 0.5 L/pulse | 1 L/pulse | |
| Working fluid temperature | 0 to 50°C | ||||
| Accuracy | ±5% F.S. | ±3% F.S. | |||
| Repeatability | ±3% F.S. | ±2% F.S. | |||
| Temperature characteristics Note 1) | ±5% F.S. (0 to 50°C, 25°C reference) | ||||
| Current consumption (without load) | 70 mA or less | 80 mA or less | |||
| Weight Note 2) | 460 g | 520 g | 700 g | 1,150 g | |
| Port size (Rc, NPT, G) | 3/8 | 3/8, 1/2 | 1/2, 3/4 | 3/4, 1 | |
| Detection type | Karman vortex type | ||||
| Indicator light | 3-digit, 7-segment LED | ||||
| Display unitsNote 3) | Instantaneous flow rate | L/min, gal (US) / min | |||
| Accumulated flow rate | L, gal (US) | ||||
| Operating pressure range | 0 to 1 MPa | ||||
| Pressure resistance | 1.5 MPa | ||||
| Accumulated flow rate rangeNote 4) | 0 to 999,999 L | ||||
| Ambient temperature range | During operation: 0 to 50°C, During storage: -25 to 85°C (No freezing or condensation) | ||||
| Output specificationsNote 5) | Switch output | NPN open collector: Maximum load current: 80 mA, Internal voltage drop: 1 V or less (with load current of 80 mA), Maximum applied voltage: 30 V, 2 outputs | |||
| PNP open collector: Maximum load current: 80 mA, Internal voltage drop: 1.5 V or less (with load current of 80 mA), 2 outputs | |||||
| Accumulated pulse output | NPN or PNP open collector (same as switch output) | ||||
| Status LEDs | Light up when output is turned ON, OUT1: green, OUT2: red | ||||
| Response time | 1 s or less | ||||
| Hysteresis | Hysteresis mode: Variable (can be set from 0), Window comparator modeNote 6): 3-digit fixed | ||||
| Power supply voltage | 12 to 24 V AC ±10% | ||||
| Environmental resistance | Enclosure | IP65 | |||
| Operating temperature range | 0 to 50°C | ||||
| Withstand Voltage | 1,000 V AC for 1 minute between terminals and housing | ||||
| Insulation Resistance | 50 MΩ or more (500 V DC measured via megohmmeter) between terminals and housing | ||||
| Noise resistance | 1,000 V p-p, pulse width 1 μs, rise time 1 ns | ||||
Note 1) PF2W711 is 15 to 35°C, 25°C reference is ±3% F.S. or less.
Note 2) Does not include lead wire.
Note 3) For digital flow switch unit switching function (Fixed SI unit [L/min or L] will be set for switch types without the unit switching function.)
Note 4) Accumulated flow rate is reset when the power supply is turned OFF.
Note 5) Switch output and accumulated pulse output can be selected during initial setting.
Note 6) Window comparator mode: Since hysteresis (H) will reach 3 digits, keep P_1 and P_2 or n_1 and n_2 separated by 7 digits or more. (In the case of OUT2, n_1 and n_2 will become n_3 and n_4, P_1 and P_2 will become P_3 and P_4.)
Note 7) All flow switches conform to the CE marking.
PF2W5 Specifications
| Model | PF2W504 | PF2W520 | PF2W540 | PF2W511 | |
|---|---|---|---|---|---|
| Measured fluid | Water | ||||
| Detection type | Karman vortex type | ||||
| Rated flow range | 0.5 to 4 L/min | 2 to 16 L/min | 5 to 40 L/min | 10 to 100 L/min | |
| Operating pressure range | 0 to 1 MPa | ||||
| Pressure resistance | 1.5 MPa | ||||
| Working fluid temperature | 0 to 50°C | 0 to 50°C | |||
| AccuracyNote 1) | ±5% F.S. | ±3% F.S. | |||
| RepeatabilityNote 1) | ±3% F.S. | ±1% F.S. (connected to PF2W33□) ±3% F.S. (connected to PF2W2□□) | |||
| Temperature characteristics | ±2% F.S. (15 to 35°C, 25°C reference), ±3% F.S. (0 to 50°C, 25°C reference) | ||||
| Output specificationsNote 2) | Output for monitor | Pulse output N channel open drain for output to PF2W3□□ monitor (Reference specifications: Maximum load current 10 mA. maximum applied voltage 30 V) | |||
| Analog Output | Voltage output 1 5 V Accuracy: ±5% F.S., Minimum load impedance: 100 kΩ (Output impedance: 1 kΩ) | ||||
| Current output 4 to 20 mA Accuracy: ±5% F.S., Maximum load impedance: 300 Ω or less (12 V DC), 600 Ω or less (24 V DC) | |||||
| Power supply voltage | 12 to 24 V AC ±10% | ||||
| Current consumption (without load) | 20 mA or less | ||||
| Environmental resistance | Enclosure | IP65 | |||
| Operating temperature range | During operation: 0 to 50°C, During storage: -25 to 85°C (No freezing or condensation) | ||||
| Withstand Voltage | 1,000 V AC for 1 minute between terminals and housing | ||||
| Insulation Resistance | 50 MΩ or more (500 V DC measured via megohmmeter) between terminals and housing | ||||
| Noise resistance | 1,000 V p-p, pulse width 1 μs, rise time 1 ns | ||||
| Weight Note 3) | 410 g | 470 g | 650 g | 1,100 g | |
| Port size (Rc, NPT, G) | 3/8 | 3/8, 1/2 | 1/2, 3/4 | 3/4, 1 | |
Note 1) The system accuracy when combined with PF2W2□□/3□□.
Note 2) Output system can be selected during initial setting.
Note 3) Does not include lead wire. (add 20 g for models with analog output [when current or voltage output has been selected])
Note 4) All sensor units conform to the CE marking.
Outline dimensional drawing
For Water, Integrated Display Type
(Unit: mm)
PF2W704/720 Type dimensional drawing
Connector pin numbers
Pin name
- 1: DC (+)
- 2: OUT2
- 3: DC (–)
- 4: OUT1
L dimension
- PF2W704: 100 mm
- PF2W720: 106 mm
PF2W740 dimensional drawing
PF2W711 dimensional drawing
For Water, Remote-Type Sensor Unit
(Unit: mm)
PF2W504/520-□ (N)-□ dimensional drawing
L dimension
- PF2W504: 100 mm
- PF2W520: 106 mm
All output specification dimensions
- Output only for monitor unit / A: 42 mm, B: 62 mm
- Monitor unit output + analog output / A: 52 mm, B: 72 mm
PF2W540-□ (N)-□ dimensional drawing
Connector pin numbers
Pin name
- 1: DC (+)
- 2: NC / Analog output
- 3: DC (–)
- 4: OUT
All output specification dimensions
- Output only for monitor unit / A: 42 mm, B: 62 mm
- Monitor unit output + analog output / A: 52 mm, B: 72 mm
PF2W511-□(N)-□ dimensional drawing
All output specification dimensions
- Output only for monitor unit / A: 63 mm, B: 77 mm
- Monitor unit output + analog output / A: 73 mm, B: 87 mm
Precautions
- *High temperature fluid types will become hot due to the high temperature fluid. Take care as direct contact may cause burns.
- *See the manufacturer's catalog for product information not detailed above.
- *Product pictures are representations.