| Pipe diameter (mm) |
25, 32, 40, 50, 65, 80, 100, 150, 200 |
| Power supply voltage |
24 V DC ±10% or lithium-ion battery (battery life: approx. 10 years under the temperature of 20°C) |
| Power consumption |
24 V DC, 1.5 W or less |
| Target fluid |
Air (mainly factory air) or N2 (pipe diameter 25–80 mm) |
| Fluid temperature |
-10°C to 60°C, RH90% or less |
| Operating pressure |
< 1 MPa (gauge pressure) |
| Range (actual flow rate) and accuracy |
| Diameter (mm) |
Range (m3/h) |
Accuracy |
| ±2.0% of rate |
±5.0% of rate |
| 25 |
±0.6–35 |
±3.5–35 m3/h |
±0.6–3.5 m3/h |
| 32 |
±1.1–65 |
±6.5–65 m3/h |
±1.1–6.5 m3/h |
| 40 |
±1.3–80 |
±8–80 m3/h |
±1.3–8 m3/h |
| 50 |
±2.5–150 |
±15–150 m3/h |
±2.5–15 m3/h |
| 65 |
±4–240 |
±24–240 m3/h |
±4–24 m3/h |
| 80 |
±5–300 |
±30–300 m3/h |
±5–30 m3/h |
| 100 |
±10–500 |
±50–500 m3/h |
±10–50 m3/h |
| 150 |
±24–1200 |
±120–1200 m3/h |
±24–120 m3/h |
| 200 |
±40–2000 |
±200–2000 m3/h |
±40–200 m3/h |
|
| Flow rate conversion accuracy: |
FWD025–080: ±2.5% or rate (at 500 kPa, 25°C, dry air)
FWD100–200: ±2.0% or rate (at ≥ 300 kPa) |
| Display |
Main display |
Forward or forward/reverse mode:
- ⌀25–⌀80 mm: Instantaneous flow rate (m3/h) 5-digit (4-digit for over 2000), Pressure (kPa) 5-digit, temperature (°C) 3-digit
- ⌀100–⌀200 mm: Instantaneous flow rate (m3/h) 5-digit (4-digit for over 2000), Pressure (kPa) 5-digit, Temperature (°C) 3-digit
|
| Sub display |
- ⌀25–⌀80 mm: Instantaneous flow rate (Nm3/h) 5-digit (4-digit for over 2000), Pressure (kPa) 5-digit, temperature (°C) 3-digit
- ⌀100–⌀200 mm: Instantaneous flow rate (Nm3/h) 5-digit (4-digit for over 2000), Pressure (kPa) 4-digit, Temperature (°C) 3-digit
|
Output signal
(not available for battery-driven version) |
Current output |
4–20 mA DC (±0.5% FS), maximum resistance load 400Ω, maximum output current 22 mA
Instantaneous flow rate, pressure, or temperature |
| Contact output |
- 2 open drain outputs, maximum load 24 V DC, 50 mA, maximum frequency: 10 Hz, Duty 35–65%
- Output 1: Unit pulse (forward), Output 2 : Unit pulse (reverse), Upper/lower alarm, device error
|
| Connection method |
⌀25, ⌀32 mm |
⌀25 mm: Rc1, ⌀32 mm: Rc1-1/4 |
| ⌀40–⌀80 mm |
Wafer (between JIS10K flanges) |
| ⌀100–⌀200 mm |
JIS10K flange |
Pipe condition
(straight pipe length) |
⌀25, ⌀32 mm |
Upper stream 20D or more, downstream 5D or more
When using with forward/reverse display mode, both of upper/lower stream 20D or more |
| ⌀40–⌀200 mm |
Upper stream 10D or more, downstream 5D or more
When using with forward/reverse display mode, both of upper/lower stream 10D or more |
| Materials of gas-contacting parts |
Aluminum alloy, PPS, fluorosilicone rubber, etc. |
| Installation location |
Indoor or outdoor (IP64 equivalent) |
| Storage temperature |
-20°C to 70°C, non condensing |
