Huba Differential pressure transmitter 652
single port over-pressure of up to 20 bar, depending upon pressure range.
High overpressure safety margin 10/20
bar on P1 3 standardised output signals for direct
Processing in control / monitoring systems Functionally simple, rugged mechanics
with high operating reliability Also for slightly aggressive liquids and
gases Attractive price / performance ratio
Technical overview
Pressure range
Relative and differential 0 ... 50 1000 mbar
Operating conditions
Medium Liquids and neutral gases
NBR-based 0 ... +80 ¨¤
FPM -10 ... +80 ¨¤
EPDM -10 ... +80 ¨¤
Temperature
Q (Silicone) -40 ... +80 ¨¤
Storage -40 ... +80 ¨¤
< 200 mbar 10 bar
Tolerable overload (P1 > P2)
> 500 mbar 20 bar
Rupture pressure 30 bar
Materials in contact with the medium
NBR-based
EPDM
Diaphragm
FPM
Silicon
Anodized aluminium
Case Brass
Brass chemical nickel-plated
X14CrMoS17 1.4104
X5CrNi18-10 1.4301
Other components X10CrNi18-8 1.4310
Steel category A2 for screws
Polyacetate-C, Polyamide
Electrical overview
0 ... 10 V
Output (3 wire) 0 ... 20 mA
4 ... 20 mA
Power supply 20 ... 30 VDC / 24 VAC +15% / -10%
Current load < 300 Ohm
Load
Voltage load > 10 kOhm
0 ... 10 V 35 mA
Current consumption 0 ... 20 mA max. 55 mA
4 ... 20 mA max. 55 mA
Polarity reversal protection Short circuit proof and with polarity reversal protection
Dynamic response
Response time < 10 ms
Load cycle < 10 Hz
Protection standard
With plastic cover (PG9) IP 65
Electrical connection
Screw terminals
Pressure connection (P1 > P2)
Inside thread G
Straight screwed connection Zinc plated steel with NBR seal for pipe (!à 6 mm) G
Screwed Socket CuZn nickel plated for tube(!à 6 mm) G
Installation arrangement
1)
Unrestricted. The transmitter is calibrated in the factory with the diaphragm positoned vertically. In the case of liquid media vent screw up, i.e. pressure connection down
Tests / Admissions
Electromagnetic compatibility CE conformity acc. EN 61326-2-3
Weight
With aluminium pressure case ~ 394 g
With brass pressure case ~ 1030 g
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