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Schmidt Flow Sensor SS 20.500 521501-41121 3m Cable, 1m/s Range, PU Coat, 10 bar
Remote sensor with 3 m cable
Measuring range 0 … 1 m/s
Standard adjustment [calibration]
With protective coating polyurethane derivate black (sensor head only)
Measuring range 0 … 1 m/s
Standard adjustment [calibration]
With protective coating polyurethane derivate black (sensor head only)
Measuring quantity Standard flow velocity wN based on standard conditions 1)
Temperature of medium TM
Measured medium Air or nitrogen, other gases on request
Lower detection limit wN 0.06 m/s
Measuring range TM -40 … +85 °C
Temperature of medium TM
Measured medium Air or nitrogen, other gases on request
Lower detection limit wN 0.06 m/s
Measuring range TM -40 … +85 °C
| Measuring accuracy | |
|---|---|
| Standard wN | ±(3 % of measured value + [0.4 % of fmr; min. 0.02 m/s]) 2) |
| High precision (optional) wN | ±(1 % of measured value + [0.4 % of fmr; min. 0.02 m/s]) 2) (only for measuring range 0 … 1 m/s) |
| Response time (t90) wN | 3 s (jump from 0 to 5 m/s in air) |
| Temperature gradient wN | ≤ 2 K/min (at wN 5 m/s in air) |
| TM (wN > 1 m/s) | ±1 K (10 … 30 °C); ±2 K (remaining measuring range) |
| Operating temperature | |
|---|---|
| Sensor probe | -40 … +85 °C |
| Electronics | -20 … +70 °C |
| Storage temperature | -40 … +85 °C |
| Material | |
|---|---|
| Enclosure | Aluminium, anodised |
| Sensor tube | Stainless steel 1.4404 |
| Sensor head | PBT (glass-fibre reinforced), stainless steel 1.4404 |
| Protective coating (optional) | Polyurethane derivate (black, sensor head only) |
| Protective sleeve (ATEX option) | Aluminium, anodised |
| Sensor cable (of remote sensor) | (TPE, halogenfree, black) |
| Humidity | Measuring mode: Non-condensing (< 95 % RH) |
| Operating pressure (max.) | Compact version: 10 bar (overpressure) Remote version: Atmospheric (700 hPa … 1,300 hPa) |
| Display | 4 x Duo-LEDs (green/red/orange) |
| Supply voltage | 24 V AC/DC ± 20 % |
| Current consumption | Typ. < 60 mA (max. 170 mA) |
| Analog outputs Type: Auto U / I) |
wN, TM 0 … 10 V / 4 … 20 mA (switching of signal characteristic depends on RL) -Voltage output (0 … 10 V): RL ≥ 550 Ω (short-circuit protected) - Current output (4 … 20 mA): RL ≤ 500 Ω - Change-over hysteresis: 50 Ω - CL ≤ 10 nF |
| Electrical connection | Plug-in connector M12 (A-coded), male, 5-pin, screwed ATEX approval only in combination with original cable! |
| Maximum cable length | Voltage interface / current interface: 100 m Voltage mode: Use AGND and RL ≥ 10 k (mass offset) |
| Mounting position | Arbitrary |
| Minimum immersion depth | 58 mm (< 58 mm on request) |
| Protection type | Sensor probe: IP67; enclosure: IP65; electrical connector: IP67 (with correctly attached cable) |
| Protection class | III (SELV or PELV) |
| ATEX category | Gas (zone 2): II 3G Ex ec ic IIC T4 Gc Dust (zone 22): II 3D Ex tc ic IIIC T135°C Dc |
| Weight | 400 g max. (without connecting cable) |