SCHMIDT® Flow Sensor SS 20.250
| 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 |
| Medium to be measured | Air or nitrogen, other gases upon request |
| Measuring range wN | 0 … 1 / 10 / 20 m/s, selectable |
| Lower detection limit wN | 0,06 m/s |
| Temperature TM Measuring range |
-20 … +70 °C |
| Measuring accuracy | |
| Standard wN | ± (5 % of measured value + 0.4 % of final value; min 0.02 m/s) |
| High precision (optional) | ± (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 of air) |
| Temperature gradien wN | < 2 K/min at 5 m/s |
| Temperature accuracy TM (For wN > 2m/s) |
± 1 K (10 … 30 °C); ± 2 K (remaining measuring range) |
| Operating temperature | |
| Sensor and electronics | -20 … +70 °C |
| Storage temperature | -30 … +85 °C |
| Material | |
| Sensor tube | Stainless steel 1.4571 |
| Sensor head | PBT glass-fiber -reinforced, anodized aluminum |
| Protective coating (optional) | polyurethan / parylene |
| Connecting cable | PVC halogen-free |
| Genera data | |
| Medium environment | Non-condensing (up to 95 % of relative humidity) |
| Operating pressure | Atmospheric (700 … 1.300 hPa) |
| Display | Dual-LED green red |
| Supply voltage | 24 V AC/DC ± 10 % |
| Current consumption | < 60 mA (typical), max 100 mA |
| Output signals for temperature and flow Typ: Auto U/I |
0 … 10 V und 4 … 20 mA (short-circuit protected): Voltage output: RL ≥ 500 Ω Current output: RL ≤ 500 Ω Hysteresis: 50 Ω |
| Connection | Permanently connected cable, 5-pin, length 2 m or selectable |
| Admissible cable length | Voltage: 15 m, current: 100 m |
| Installation position | Any |
| Minimum immersion depth | 58 mm (< 58 mm upon request) |
| Ingress protection protection class | IP 65 / III or PELV |
| Sensor length | 300 / 500 mm |
| Weight | 200 g max. |
Subject to technical changes.
