Water and Ethylene glycol aqueous solution (with viscosity of 3 mPa·s [3 cP] or less)
Detection method
Karman vortex
Rated flow range
0.5~4L/min
2-16L/min
5-40L/min
10~100L/min
50~250L/min
Fluid temperature
0 to 90°C (No freezing or condensation)
Accuracy
Display value: ±3% F.S. Analog output: ±3% F.S.
Repeatability
±2% F.S
Temperature characteristics
±5%F.S. (25°C standard)
Operating pressure range
0-1MPa
Proof pressure
45 kPa or less at the maximum flow
60 kPa or less at the maximum flow
Analog output
Response time
1s
Voltage output
Voltage output: 1-5V Output impedance: 1kΩ
Current output
Current output: 4-20mA Max load impedance: 300Ω for DC12V, 600Ω for DC24V
Indicator light
For power supply status, flow rate indicator(Blinking speed changes in response to flow rate), and other error indicator
Power supply voltage
DC12~24V±10%
Current consumption
30mA or less
Environment
Enclosure
Ip65
Operating temperature range
0 to 50°C (No freezing or condensation)
Op erating humidity ran
Operation, Storage: 35 to 85% R.H. (No condensation)
Withstand voltage *4
1000 VAC for 1 minute between terminals and housing
Insulation resistance
50 MΩ or more (500 VDC measured via megohmmeter) between terminals and housing
Standards and regulations
CE
Wetted parts material
PPS, SUS304. FKM. SCS316
Non-grease
Piping port size 6
3/8
1/2
3/4
1
11/2
NPF3W5 Digital Flow Sensor
Mode
NPF3W504
NPF3W520
NPF3W540
NPF3W511
NPF3W521
Applicable fluid
Water and Ethylene glycol aqueous solution (with viscosity of 3 mPa·s [3 cP] or less)
Detection method
Karman vortex
Rated flow range
0.5~4L/min
2-16L/min
5-40L/min
10~100L/min
50~250L/min
Fluid temperature
0 to 90°C (No freezing or condensation)
Accuracy
Display value: ±3% F.S. Analog output: ±3% F.S.
Repeatability
±2% F.S
Temperature characteristics
±5%F.S. (25°C standard)
Operating pressure range
0-1MPa
Proof pressure
45 kPa or less at the maximum flow
60 kPa or less at the maximum flow
Analog output
Response time
1s
Voltage output
Voltage output: 1-5V Output impedance: 1kΩ
Current output
Current output: 4-20mA Max load impedance: 300Ω for DC12V, 600Ω for DC24V
Indicator light
For power supply status, flow rate indicator(Blinking speed changes in response to flow rate), and other error indicator
Power supply voltage
DC12~24V±10%
Current consumption
30mA or less
Environment
Enclosure
Ip65
Operating temperature range
0 to 50°C (No freezing or condensation)
Op erating humidity ran
Operation, Storage: 35 to 85% R.H. (No condensation)
Withstand voltage *4
1000 VAC for 1 minute between terminals and housing
Insulation resistance
50 MΩ or more (500 VDC measured via megohmmeter) between terminals and housing
Standards and regulations
CE
Wetted parts material
PPS, SUS304. FKM. SCS316
Non-grease
Piping port size 6
3/8
1/2
3/4
1
11/2
Flow Sensor Core Part
Water sensor
Specially used for water flow sensing to transfer data to the main board
Main board
Store memory data, record data, real-time display
Function board
Achieve the switch between functions and applications of rapid response
Flow Sensor Core Part
Water sensor
Specially used for water flow sensing to transfer data to the main board
Main board
Store memory data, record data, real-time display
Function board
Achieve the switch between functions and applications of rapid response
Flow Sensor Order Model Type
Flow Sensor Order Model Type
NNT Strength
Application
Vortex frequency: V: flow velocity; K: proportional constant (depending on the size and state of the vortex generator) and then the fluid frequency is detected.
NNT Strength
Application
Vortex frequency: V: flow velocity; K: proportional constant (depending on the size and state of the vortex generator) and then the fluid frequency is detected.
