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 … 1 / 10 / 20 m/s; Special measuring range inbetween 1 … 20 m/s (in steps of 0.1 m/s) |
Lower detection limit flow wN | 0.06 m/s |
Measuring range temperature TM | -20 … +70 °C |
Measuring accuracy | |
Standard wN | ± (5 % of measured value + [0.4 % of fmr; min 0.02 m/s]) |
High precision (optional) wN | ± (3 % of measured value + [0.4 % of fmr; min 0.02 m/s]) |
Response time (t90) wN | 3 s (jump from 0 to 5 m/s of air) |
Temperature gradient wN | < 2 K/min at 5 m/s |
Temperature TM (for wN > 1 m/s) | ± 1 K (10 … 30 °C); ± 2 K (remaining measuring range) |
Operating temperature | |
Sensor | -20 … +70 °C |
Electronics | -20 … +70 °C |
Storage temperature | -30 … +85 °C |
General data | |
Humidity | Measuring mode: Non-condensing (< 95 % RH) |
Operating pressure (max.) | Atmospheric (700 … 1,300 hPa) |
Display | Dual-LED green / red |
Supply voltage | 24 V AC/DC ± 10 % |
Current consumption | Typical < 60 mA, max. 100 mA |
Analog outputs for wN and TM (type: Auto U / I) | 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 Voltage output: RL ≥ 500 Ω Current output: RL ≤ 500 Ω Hysteresis: 50 Ω |
Electrical connection | Standard: Non-detachable cable, 5 wires, length 2 m or selectable (3 … 100 m; steps of 1 m) Hygienic Design Option: Cable fix linked to sensor: 1.5 m, 5 pole M12 plug; Additional content of delivery: cable 10 m, 5 pole M12 bushing |
Maximum cable length | Voltage interface: 15 m<brCurrent interface: 100 m |
Mounting position | Arbitrary |
Minimum immersion depth | 58 mm (< 58 mm upon request) |
Protection type / class | IP65 / III or PELV (EN 50178) |
Probe length | 300 / 500 mm |
Weight | 200 g max. |
Material | |
Sensor tube | Stainless steel 1.4571 |
Sensor head | PBT glass-fiber-reinforced, stainless steel 1.4571 |
Protective coating (optional) | Polyurethan / parylene (coating not available for Hygienic Design version) |
Sensor cable | Standard: PUR, halogen-free Hygienic Design Option: PP-EPDM, halogen-free |
1) based on standard conditions: 20 °C and 1,013.25 hPa, related to adjustment reference; "fmr" = final measuring range
Subject to technical changes.