SCHMIDT Technology
Technical Data
Measurement size wN Normal velocity wN referred to standard conditions of TN = 20 °C and pN = 1,013.25 hPa
Measurement Clean air, nitrogen, additional gases on request
Measurement ranges flow wN 0 … 1 / 2,5 / 5 / 10 / 20 m/s
Lower detection threshold wN 0,05 m/s
Measurement precision
Default wN ± 3 % of the measured value + (2 % fmr; min. 0.05 m/s)
High precision (Option) wN ± 1 % of the measured value + (2 % min. 0.04 m/s)
Repeatability wN ± 1.5 % of the measured value
Response time (t90) wN 0.01 … 10 s (configurable), 1 s factory setting
Operating temperature
Operating temperature 0 … +60 °C
Storage temperature -20 … +85 °C
Material
Sensor head Aluminium, anodized
Sensor tube Stainless steel 1.4571
Plug connector Stainless steel 1.4571
General data
Medium, environment Non condensating (up to 95 % rh)
Operating pressure Atmospheric (700 … 1.300 hPa)
Supply voltage 12 … 26,4 V DC
Power consumption Typ. < 35 mA (max. 150 mA with switching outputs)
Analog Output 0 … 10 V (RL > 10 kΩ) or 4 … 20 mA (RL < 300 Ω); protected against short-circuit
Switching outputs 2 pieces Open-collector, current limited and protected against short-circuit, configurable
Channel 1 (OC1): Direction or threshold
Channel 2 (OC2): threshold
Max. 26,4 V DC / 55 mA
Switching hysteresis 5 % threshold (min. ± 0,05 m/s)
Connection Connection M 9, screwed, 7-pin, male
Maximum line length 0 … 10 V: 15 m; 4 … 20 mA: 100 m
Mounting position Any
Protection type/
protection class
IP 66 / III or PELV
ATEX-Type (Option) 3G, Zone 2 (II 3G Ex nA II T4)
Sensor length 130 / 200 / 300 mm
Weight Approx. 60 g max. (300 mm Sensor length)

Subject to technical changes