Specifications
Technical data | |
---|---|
Measuring quantity | Standard flow velocity wN, based on standard conditions 1) Temperature of medium TM |
Measured medium | Air, nitrogen, other gases on request |
Measuring range flow wN | 0 … 1 / 2.5 / 5 / 10 / 20 / 35 / 50 m/s |
Lower detection limit flow wN | 0.06 m/s |
Measuring range temperature TM | -40 … +85 °C |
Measuring accuracy | |
Standard wN | ± (3 % of measured value + [0.4 % of fmr; min. 0.02 m/s]) 1) |
High precision (optional) wN | ± (1 % of measured value + [0.4 % of fmr; min. 0.02 m/s]) 1) |
Response time (t90) wN | 3 s (jump from 0 to 5 m/s in air) |
Temperature gradient wN | ≤ 2 K/min at 5 m/s |
Temperature TM (wN > 1 m/s) | ± 1 K (10 … 30 °C); ±2 K (remaining measuring range) |
Operating temperature | |
Sensor | -40 … +85 °C |
Electronics | -20 … +70 °C |
Storage temperature | -40 … +85 °C |
Material | |
Housing | Aluminium, anodised |
Sensor tube | Stainless steel 1.4571 |
Sensor head | PBT fibre-glass reinforced, stainless steel 1.4571 |
Protective coating (optional) | Polyurethane derivate / parylene |
Protective sleeve (ATEX option) | Aluminium, anodised |
Sensor cable (remote sensor) | (PUR, halogenfree, UL) |
General data | |
Humidity | Measuring mode: Non-condensing (< 95 % RH) |
Operating pressure (max.) | Compact version: 0 … 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 | Typical < 60 mA (max. 170 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 |
Electrical connection | Plug-in connector M12 (A-coded), male, 5-pin, screwed |
Maximum cable length | Voltage interface: 15 m; Current interface: 100 m |
Mounting position | Arbitrary |
Minimum immersion depth | 58 mm (< 58 mm on request) |
Protection type / class | IP67 (sensor head); IP65 (housing) / III or PELV (EN 50178) |
ATEX category | II 3D Ex tc ic IIIC T135°C Dc II 3G Ex ec ic IIC T4 Gc |
Probe length | Compact version: 100 … 1000 mm Remote version: 100 / 150 / 350 mm |
Weight | 400 g max. (without connecting cable) |
1) based on standard conditions: 20 °C and 1,013.25 hPa, related to adjustment reference; "fmr" = final measuring range
Subject to technical changes.