Huba Differential pressure transmitter 403

The differential pressure transmitter, with its unique proven ceramic lever technology, has adjusted, temperature-compensated sensor signals, available as a voltage output. The (VDC) voltage output is an amplified, linear signal suitable for direct processing in electronic control systems.

 Special development for optimize of
 combustion mixture in gas boilers With the special diaphragm geometry
 inherently stable due to homogeneous
 manufacture with the with the
 2 component injection  moulding process
 (plastic silicone) Ideal dimensioning for high sensitivity
 and with long term stability Excellent repeatability even in the lower
 pressure range (< 20 Pascal)

Technical overview
Pressure range
Relative and differential    0 ... 3  8 mbar
Operating conditions
Medium      Air, neutral and burnable gases
    Medium / ambient    0 ... +70 ¨¤
Temperature
    Storage -40 ... +70 ¨¤
      25 mbar
Tolerable overload on one side
     100 mbar short period at room temperatu
Rupture pressure    200 mbar
3
Leak rate     < 5 cm /h (Air), at measuring range
Materials in contact with the medium
Case     Polycarbonate (PC)
Diaphragm      NBR (NBR admission for burnable gas)
Sensor     Ceramic Al
O 
2 3
Electrical overview
Output     0.5 ... 4.5 V
1)
Power supply     10.4 ... 18 VDC
Load       > 15 kOhm (to GND)
Current consumption At nominal voltage without load  < 8 mA
Polarity reversal protection     Mechanically protected
Electromagnetic compatibility  The product is designed exclusively for instal lation in equipment. The customer is responsible for CE conformity.
Dynamic response
Response time     < 10 ms
Load cycle     < 10 Hz
Protection standard
IP 00
Electrical connections
3 pole connector RAST 2.5
Pressure connection
Pipe !à 6.2 m

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