Technical Data - Schmidt SS 30.300 Notice D'utilisation

Technical data

Operating voltage [V] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 ... 30 DC
Current rating [mA] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 x 250
. . . . . . . . . . . . . . . . . short-circuit, reverse polarity and overload protected
Voltage drop [V]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . < 2
Current consumption [mA] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . < 100
Power-on delay time [s] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5
Analogue output (measuring range scaleable) . . . . . . . . . . . . . . 4 ... 20 mA
Max. load [Ω] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500
Pulse output: pulse length [s] . . . . . . . . . . . . . . . . . . . . min. 0.037 / max. 2
Flow monitoring
Measuring range [Nm³/h / Nl/min] 1.4 (1,5)...417.1 (417.0) / 23.2 (30)...6952 (6950)*
Measuring error
± (3% of the measured value + 0.3% of the final value of the measuring range)
± (6% of the measured value + 0.6% of the final value of the measuring range)
Measurement dynamics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1:300
Response time [s] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . < 0,1 (dAP = 0)
Temperature indication
Measuring range [°C] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0...60
Measuring error (medium flow in the limit
area of the flow measurement range) [°C]. . . . . . . . . . . . . . . . . . . . . . . ± 2
Medium temperature [°C] . . . . . . . . . . . 0 ... +60 (rel. humidity: max. 90%)
Operating temperature [°C] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 ... +60
Storage temperature [°C]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -25 ... +85
Pressure rating [bar] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IP 65 / III
Vibration resistance [g] . . . . . . . . . . . . . . . 5 (DIN / IEC 68-2-6, 55-2000 Hz)
Materials wetted parts . . . . . . . . . . . . . . . stainless steel (304S15), ceramics,
Housing materials . . . . . . . . . . . . . . . . . . PBT-GF 20, PC (APEC), Makrolon,
EMC
IEC 1000/4/2 ESD: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
IEC 1000/4/3 HF radiated:. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 V/m
IEC 1000/4/4 Burst: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 kV
IEC 1000/4/6 HF conducted: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 V
1)
to EN50178, SELV, PELV;
referring to UL: see page 29 (Electrical connection).
2)
value for air quality class 141 (DIN 8573-1).
3)
value for air quality class 344 (DIN 8573-1).
* in brackets: displayed value
Measuring, display and setting ranges refer to standard volume flow
(based on 1013,25 hPa and 20 °C).
glass passivated, PEEK, polyester; Viton, aluminium anodised
stainless steel (304S15), Viton
1)
2)
3)
4 / 8 kV
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