SCHMIDT® Flow Sensor SS 20.260
| Technical Data | |
|---|---|
| Measurement values | Standard velocity WN based on standard conditions of TN = 20 °C and pN = 1,013.25 hPa Temperature of the medium TM (optional) |
| Medium be measured | Air or nitrogen, other gases upon request |
| Measuring range of flow wN | 0 … 2,5 / 10 / 20 / 40 / 50 / 60 m/s |
| Lower detection limit wN | 0,2 m/s |
| Temperature TM measuring range | -20 … +120 °C |
| Measuring accuracy | |
| Standard wN | ± (5 % of measured value + [0.4 % of final value; min. 0.02 m/s]) |
| High precision wN (option) | ± (3 % of measured value + [0.4 % of final value; 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) |
| Temperature gradient wN | < 8 K/min at 5 m/s |
| Measuring accuracy TM (wN> 2 m/s) | ± 2 K (remaining measuring range) |
| Operating temperature | |
| Probe | -20 … +120 °C |
| Electronics | 0 … +70 °C |
| Storage temperature | -20 … +85 °C |
| Material | |
| Sensor head | Platinum element, glass passivated; PPO/PA |
| Sensor tube | Stainless steel 1.4571 |
| Housing | PBT, glassfiber reinforced |
| Connecting cable | PVC |
| General Data | |
| Medium environment | Non-condensing (up to 95 % of relative humidity) |
| Operating pressure | Atmospheric (700 … 1.300 hPa) |
| Display | LED green: operating status LED red: sensor defective |
| Supply voltage | 24 V DC ± 10 % |
| Current consumption | < 60 mA |
| Output signals wN | 0 … 10 V (RL ≥ 10 kΩ) 4 … 20 mA (RL ≤ 300 Ω) |
| Connection | Permanently connected cable, 4-pins, length 2 m, with cable end sleeves |
| Admissible cable length | 15m max. (voltage output) 100m max. (current output) |
| Installation position | Any |
| Installation tolerance | ± 3° to the flow direction |
| Minimum immersion depth | DN 25 |
| Ingress protection | IP 65 / III or PELV |
| Probe length L | 50 / 100 / 200 / 350 / 500 mm |
| Weight | 200 g max. |
1) under reference conditions
Subject to technical changes.
