Cảm biến lưu lượng SS 20.651 SCHMIDT Technology GmbH Việt Nam

Cảm biến lưu lượng SCHMIDT® SS 20.651

Technical data
Measuring quantity	Standard flow velocity w_N based on standard conditions ¹⁾ Medium temperature T_M
Measured medium	Clean air or nitrogen, other gases upon request
Measuring range w_N	0 … 10 / 20 / 40 / 60 m/s
Lower detection limit w_N	0.2 m/s (at T_M = 20 °C)
Measuring range T_M	0 … +200/+350 °C
Operating temperature
Sensor head	0 … +200/+350 °C
Electronics	-20 … +70 °C
Storage temperature	-20 … +85 °C
Material
Housing	Aluminium, anodised
Sensor tube	Stainless steel 1.4571
Sensor head	Platinum element (glass-passivated), ceramics
Compression fitting	Stainless steel 1.4571 or brass (depending on sensor option)
Measuring accuracy
Standard w_N	±(3 % of measured value + [0.4 % of fmr; min. 0.08 m/s]) ²⁾
High precision (optional) w_N	±(1 % of measured value + [0.4 % of fmr; min. 0.08 m/s]) ²⁾
Response time (t₉₀) w_N	3 s (jump of w_N from 0 to 5 m/s in air)
Temperature gradient w_N	< 8 K/min (at w_N = 5 m/s in air)