Model |
ATO-NPF3W70403 |
Port Size Rc (PT) |
3/8 inch |
Applicable Fluid |
Water, 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 |
Display Flow Range |
0.35~5.50L/min |
Set Flow Range |
0.35~5.50L/min |
Smallest Settable Increment |
0.01L/min |
Conversion of Accumulated Pulse |
0.05L/pulse |
Fluid Temperature |
0 to 90°C (No freezing or condensation) |
Display Unit |
Instantaneous flow: L/min, Accumulated Flow: L |
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 |
45kPa or less at the maximum flow |
Accumulated Flow Range |
99999999.9L |
By 0.1L |
Switch Output |
/ |
NPN or PNP |
Max. Load Current |
80mA |
Max. Applied Voltage |
DC28V |
Internal Voltage Drop |
NPN: 1 V or less (at load current of 80 mA) PNP: 1.5 V or less (at load current of 80 mA) |
Response Time |
0.5s/ 1s/ 2s |
Output Protection |
Short-circuit protection |
Analog Output |
Voltage Output |
Voltage output: 1 to 5 V Output impedance: 1 kΩ |
Current Output |
Output current: 4 to 20 mA Max. load impedance: 300 Ω for 12 VDC, 600 Ω for 24 VDC |
Response Time |
0.5s/ 1s/ 2s (linked with the switch output) |
Hysteresis |
Variable |
External Input |
Voltage free input: 0.4 V or less (Reed or Solid state), input for 30ms or longer |
Display Method |
2-screen display (Main screen: 4-digit, 7-segment, 2-color, Red/Green Sub screen: 6-digit, 11-segment, White) Display values updated 5 times per second |
Indicator Light |
Output 1, Output 2: Orange |
Power Supply Voltage |
DC12~24V±10% |
Current Consumption |
Below 50mA |
Environment |
Enclosure |
IP65 |
Operating Temperature Range |
0 to 50°C (No freezing or condensation) |
Operating Humidity Range |
Operation, storage: 35 to 85% R.H. (No condensation) |
Withstand Voltage |
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, UL(CSA), RoHS |
Wetted Parts Material |
PPS. SUS304. FKM. SCS13, Non-grease |
Weight |
1kg |