SCHMIDT Technology
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.