Specifications
Technical data | |
---|---|
Measuring quantity | Standard flow velocity wN, based on standard conditions 1) Temperature of medium TM |
Measured medium | Air or nitrogen, other gases upon request |
Measuring range flow wN | 0 … 40 / 60 / 90 m/s |
Lower detection limit flow wN | 0.2 m/s |
Measuring range temperature TM | -20 … + 85 °C |
Measuring accuracy | |
Standard wN | ± (5 % of measured value + 0.4 % of fmr) |
High precision (optional) wN | ± (3 % of measured value + 0.4 % of fmr) |
Response time (t90) wN | 3 s (jump from 0 to 5 m/s) |
Temperature gradient wN | ≤ 8 K/min at 5 m/s |
Temperature TM (wN > 2 m/s) | ± 1 K (10 … 30 °C); ± 2 K (in remaining measuring range) |
Operating temperature | |
Sensor | - 20 … + 85 °C |
Electronics | 0 … 70 °C |
Material | |
Housing | PBT, glass fiber reinforced |
Sensor tube | Stainless steel 1.4571 |
Sensor element | Ceramics, passivated glass |
Compression fitting | Brass (G½) / stainless steel 1.4305 (R½) (order options) |
Sensor cable | PVC |
General data | |
Operating pressure (max.) | 0 … 10 bar (overpressure) |
Humidity | Measuring mode: Non-condensing (< 95 % RH) |
Analog outputs (wN, TM) | 4 … 20 mA (RL ≤ 300 Ω, CL ≤ 10 nF) |
Maximum cable length | 100 m |
Display | LED green: Operating state LED red: Sensor defective |
Supply voltage | 24 V DC ± 10 %, 60 mA |
Stabilization time | Approx. 10 s after switch-on |
Electrical connection | Non-detachable cable, 4 wires, length 5 m, with cable end sleeves |
Probe length | 200 / 350 mm |
Mounting position | Arbitrary (except in case of a downward flow and < 2 m/s at the same time) |
Mounting tolerance | ± 3° to flow direction |
Protection type / class | IP66 / III or PELV (EN 50178) |
1) based on standard conditions: 20 °C and 1,013.25 hPa, related to adjustment reference; "fmr" = final measuring range
Subject to technical changes.