Specifications
| Technical Data | |
|---|---|
| Measurement quantity | Standard flow velocity wN, based on standard conditions of TN = 20 °C and pN = 1,013.25 hPa Temperature of medium TM (optional) |
| Measured medium | Air or nitrogen, other gases upon request |
| Measuring range wN | 0 … 1 / 10 / 20 m/s |
| Lower detection limit wN | 0.06 m/s |
| Measuring range TM | -20 … +70 °C |
| Measuring accuracy | |
| Standard wN | ± (5 % of measured value + 0.4 % of of measuring range; min 0.02 m/s) |
| High precision (optional) wN | ± (3 % of measured value + 0.4 % of of measuring range; min 0.02 m/s) |
| Reproducibility wN | ± 1.5 % of measured value |
| Response time (t90) wN | 3 s (jump from 0 to 5 m/s of air) |
| Temperature gradient wN | < 2 K/min at 5 m/s |
| TM (wN > 2 m/s) | ± 1 K (10 … 30 °C); ± 2 K (remaining measuring range) |
| Operating temperature | |
| Sensor and electronics | -20 … +70 °C |
| Storage temperature | -30 … +85 °C |
| General data | |
| Relative Humidity | Non-condensing (≤ 95 % rH) |
| Operating pressure | Atmospheric (700 … 1,300 hPa) |
| Display | Dual-LED green / red |
| Supply voltage | 24 V AC/DC ± 10 % |
| Current consumption | Typical < 60 mA, max. 100 mA |
| Analog outputs ( wN, TM) | Auto-U/I: 0 … 10 V / 4 … 20 mA (signal characteristic depends on RL) Voltage output: RL ≥ 550 Ω (short-circuit protected) Current output: RL ≤ 500 Ω Change-over hysteresis: 50 Ω CL ≤ 10 nF Voltage output: RL ≥ 500 Ω Current output: RL ≤ 500 Ω Hysteresis: 50 Ω |
| Electrical connection | Non-detachable cable, 5 wires, length 2 m or selectable |
| Admissible cable length | V oltage interface: 15 m, current interface: 100 m |
| Installation position | Arbitrary |
| Minimum immersion depth | 58 mm (< 58 mm upon request) |
| Protection type / class | IP65 / III or PELV (EN 50178) |
| Sensor length | 300 / 500 mm |
| Weight | 200 g max. |
| Material | |
| Sensor tube | Stainless steel 1.4571 |
| Sensor head | PBT glass-fiber -reinforced,stainless steel 1.4571 |
| Protective coating (optional) | Polyurethan / parylene |
| Connecting cable | PUR, halogen-free |
Subject to technical changes.
