Instantaneous flow-rate·
Integrating flow volume
flowmeter NW Type |
NW10-PTN |
NW10-TTN |
NW20-NTN |
NW20-PTN |
Instantaneous flow-rate·
Integrating flow volume
flowmeter (with pulse output)
NW-P Type |
NW10-PTP |
NW10-TTP |
NW20-NTP |
NW20-PTP |
| Flow-rate range (m3/h) |
1.5-20L/min |
1.0-10L/min |
3.0-60L/min |
| Accuracy |
Flow-rate indication |
±2%RS±0.2L/min |
±2% RS±0.5L/min |
| Volume indication |
±2%RS (with the standard installation position) |
| Measurable fluids |
Various liquids (Please select with reference to
the following major materials of the liquid-touching materials) |
| Max. Working Pressure |
1MPa (at the time of fluid temperature of 20°C) |
| Pressure Drop |
Not more than
20kPa
(At the time of
20L/min) |
Not more than
15kPa
(At the time of
10L/min) |
Not more than 60kPa
(At the time of 60L/min) |
| Fluid viscosity range |
0.5-1.5mPa·s |
| Fluid temperature range |
0±60°C |
| Ambient temperature range |
0±60°C 35-85%RH(Dew condensation must be avoided) |
| Output signal (for NW-P) |
Open drain output (Equivalent to open collector)
Pulse width: Not less than 5ms
Max. rating voltage: 30 VDC
Output capacity: “ON resistance” Not more than 150Ω,
“OFF resistance” Not less than 100kΩ (Remained voltage
not more than 1.5V in case of input current not more than 10mA) |
| Pulse unit (for NW-P) |
1L/p |
| LCD |
Flow-rate |
Smallest Scale |
0.2L/min |
0.5L/min |
| Display digits |
000.0L/min |
| Volume |
Display digits |
0000000.0L |
| Power supply |
Built-in lithium battery (Battery life 4 years. Not replaceable.) |
| Measurable fluids |
Refer to “MEASURABLE FLUID AND PARTS MATERIALS” |
| Structure |
IP64 equivalent, Indoor installation |
| Connection |
R1/2 |
R3/4 |
| Meter Weight |
Approx. 250g |
Approx. 500g |
Major materials
of the liquid
touching parts |
Casing |
PP |
ETFE |
Denatured
PPO |
PP |
| Vane wheel |
POM |
ETFE |
POM |
| Pivot |
SUS304 |
ETFE |
SUS304 |
| O-ring |
FKM |
NBR |
FKM |
| Magnet |
Ba-Fe |
Sa-Co *1 |
Ba-Fe |