Huba Pressure level transmitter 712

 suitable for drinking water intrinsically safe execution with voltage-
 and current output with integrated temperature
 measurement suitable for fitting in 1-inch pipe

Technical overview
Pressure range
Relative     0.0 ... 0.3  2.5 bar
Absolute     0.8 ... 1.4  3.0 bar
Operating conditions
1)
     Fuel oil, ultra-light   SN 181 160-2
1)
     Fuel oil, heavy   SN 181 160-2
1)
Medium     Diesel oil
1)
     Benzine
     Water
    Medium and ambient -20 ... +80 ¨¤
Temperature
    Storage -40 ... +80 ¨¤
Overload     3x fs; max. 3 bar at 0.3 bar version
Materials in contact with medium
Case     Stainless steel 1.4404 / AISI 316L
Sensor      Ceramik Al O
2 3
Cable     PE-HD
Protection cover    PPE
Sealing material    FPM, EPDM (for drinking water)
Electrical overview
  Output Power supply Load Current consumption
Power supply - 7 V
2 wire 4 ... 20 mA 10 ... 30 VDC <   [Ohm] < 20 mA
0.02 A
    0 ...  10 V 12 ... 30 VDC >10 kOhm / < 100 nF <   5 mA
3 wire
  ratiom. 10 ... 90% 5 VDC 10% >  5 kOhm / < 100 nF <   3 mA
4 wire (with temperature) ratiom. 10 ... 90% 5 VDC 10% >  5 kOhm / < 100 nF <   3 mA
Polarity reversal protection Short circuit proof and protected against polarity reversal.
Temperature output   > 1 MOhm
Dynamic response
Response time     < 2 ms
Protection standard   
IP 68
Runtime  
Time starts at the moment of application of minimal supply voltage   < 10 ms
Electrical connection
Cable PE-HD     length 2, 5, 10, 15, 20, 30 m
Test / Admissions
Electromagnetic compatibility         CE-conform acc. to EN 61326-2-3
Drinking water approval        applied
Ex-protection
IECEx SEV 12.006     Ex ia IIC T4 Ga
SEV 12 ATEX 0138     II 1 G Ex  ia IIC T4 Ga
Weight
Without cable     ~ 200 g
 

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