Huba Differential pressure transmitter 401
Special development for optimize of
combustion mixture in gas boilers With the special diaphragm geometry
inherently stable due to homogeneous
manufacture 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 and neutral gases
Medium / ambient 0 ... +70 ¨¤
Temperature
Storage -40 ... +70 ¨¤
25 mbar
Tolerable overload on one side
100 mbar short period at room temperature
Rupture pressure 200 mbar
3
Leak rate < 5 cm /h (Air), at nominal pressure
Materials in contact with the medium
Case Polycarbonate (PC)
Diaphragm LSR (Liquid Silicon Rubber)
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 pressure without load < 8 mA
Polarity reversal protection Mechanically protected
Electronical 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 plug connector RAST 2.5
Pressure connection
Pipe !à 6.2 m
Mounting instruction
Diaphragm horizontal (recommend) Presssure connections facing downward
Installation arrangement
Diaphragm vertical (on request) Pressure connections lateral, signal approx. 13 Pa below actual pressure
Snap mounting in sheet steel (thickness 1 and 2 mm)
Mounting
Mounting bracket type A / type B
Tests / Admissions
DVGW according to DIN EN 1854
CE-0085BM0306
Weight
~ 45 g
Packaging
Cardboard boxes with blister pack inserts (returnable).
Ordering batches quantities / Transport volumes
Pieces Varaint Length (cm) Width (cm) Height (cm) Weight (kg) Blister (20 pcs)
1440 12 Box on euro-palette 120 80 93 134 72
120 1 Box 59 39 26 9.5 6
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