Specifications
Technical Data | |
---|---|
Measuring quantity | Standard flow velocity wN, based on standard conditions of TN = 20 °C and pN = 1,013.25 hPa Temperature of medium TM |
Measured medium | Air, nitrogen, other gases on request |
Measuring range wN | 0 … 1 / 2.5 / 10 m/s |
Lower detection limit wN | 0.06 m/s |
Measuring range TM | -20 … +70 °C |
Measuring accuracy | |
Standard wN | ± (3 % of measured value + 0.05 m/s) 1) |
High precision (optional) wN | ± (1 % of measured value + 0.04 m/s) 1) |
Repeatability wN | ± 1.5 % of measured value |
Response time (t90) wN | 3 s (jump from 0 to 5 m/s) |
Temperature gradient wN | < 2 K/min at 5 m/s |
Temperatur TM (wN > 2 m/s) | ± 1 K (10 … 30 °C); ± 2 K in remaining measuring range |
Operating temperature | |
Operating temperature | -20 … +70 °C |
Storage temperature | -20 … +85 °C |
Material | |
Sensor head | PBT fibre-glass reinforced, stainless steel 1.4571, protective coating (optional) |
Sensor tube | Stainless steel 1.4571 |
Connector | Stainless steel 1.4571 |
General Data | |
Relative Humidity | Non-condensing (≤ 95 % rH) |
Operating pressure | Atmospheric (700 … 1,300 hPa) |
Supply voltage | 24 V DC ± 10 % |
Current consumption | Typical 80 mA / max. 120 mA |
Analog outputs (wN, TM) | 0 … 10 V (RL ≥ 10 kΩ) and 4 … 20 mA (RL ≤ 300 Ω) |
Error signal | Only with current interface: 2 mA |
Electical connection | Connector M9, male, 7-pin (shielded), screwed |
Maximum cable length | Voltage interface: 15 m, current interface: 100 m |
Mounting position | In vertical flow direction |
Protection type / class | IP65 / III or PELV (EN 50178) |
Sensor length | Angled: 270 mm or 150 mm (vertical) x 300 mm (horizontal) Straight: Standard 300 mm; special length 300 … 1000 mm |
Weight | Approx 200 g (angled design with 270 x 300 mm) |
1) under reference conditions
Subject to technical changes.