Huba Pressure sensor 520
The compact type 520 pressure transmitter is based upon the Huba Control developed thick film technology where the pressure measuring cell is fully welded. This pressure transmitter meets the high burst protection demands and is suitable for the use in all types of refrigerants inclusive ammonia.
Compact, rugged construction
Welded without sealing parts, no elastomer seals
Saving time by quick cable mounting by the customer with swift connector
Large selection of connections available.
Technical overview
Pressure range
Relative -1 ... 9 bar / 0 ... 2.5 ă 600 bar
Operating conditions
Medium Liquids, gases and refrigerants (incl. ammonia)
Temperature
Medium -40 ... +135 ÀC
Ambient -30 ... +85 ÀC
Storage -50 ... +100 ÀC
Tolerable overload
< 6 bar 5 x FS
> 6 bar 3 x FS (max. 1500 bar)
Rupture pressure
< 6 bar 10 x FS
> 6 bar 6 x FS (max. 2500 bar)
Materials
Pressure Connection Stainless steel 1.4404 / AISI 316L (inside thread Schrader 1.4305 / AISI 303 only)
Plug accommodation Polyarylamide 50% GF VO
Materials in contact with medium
Pressure connection Stainless steel 1.4404 / AISI 316L (inside thread Schrader 1.4305 / AISI 303 only)
Sensor Stainless steel
Electrical overview
Output Power supply Load Current consumption
2 wire 4 ... 20 mA 7 ... 33 VDC <
supply voltage - 7 V
[Ohm] < 23 mA
2 wire (Ex) 4 ... 20 mA 10 ... 30 VDC <
supply voltage - 10 V
[Ohm] < 23 mA
3 wire
0 ... 5 V 7 ... 33 VDC >10 kOhm / < 100 nF < 7 mA
1 ... 6 V 8 ... 33 VDC >10 kOhm / < 100 nF < 7 mA
0 ... 10 V 12 ... 33 VDC >10 kOhm / < 100 nF < 7 mA
0 ... 10 V 24 VAC μ 15% >10 kOhm / < 100 nF < 7 mA
ratiom. 10 ... 90% 5 VDC μ 10% >10 kOhm / < 100 nF < 7 mA
Polarity reversal protection Short circuit proof and protected against polarity reversal. Each connection is protected against crossover up to max. supply voltage.
Insulation voltage
standard 500 VDC
optional 1000 VDC
Protection class
Protection class III
Dynamic response
Response time < 2 ms, 1 ms typ.
Load cycle < 100 Hz
Protection standard
Connector DIN EN 175301-803, Braids IP 65
Connector RAST 2.5 IP 00
Swift connector, Metri Pack, Connector M12x1 IP 67
Braids (for oxygen applications) IP 30
Electrical connection
Swift connector with or without cable 1.5 m (PVC spec.)
Connector DIN EN 175301-803-A
Connector DIN EN 175301-803-C (mini DIN)
Metri Pack Serie 150
Connector M12x1
Braids
Connector RAST 2.5 (3 wire only)
Pressure connection
Inside thread
7
/16 - 20 UNF without or with Schrader
½ -14 NPT (< 60 bar)
G ¼ with O-Ring seal FPM spec. (-30 ... +135 ÀC)
Outside thread
7
/16 - 20 UNF
¼ -18 NPT
G ¼ sealed at back DIN 3852 form E with Profile seal ring in FPM spec. (-30 ... +135 ÀC)
R ¼ DIN 2999
G ½ sealed at back and manometer (combi) with Profile seal ring in FPM spec. (-30 ... +135 ÀC)
M20x1.5
G ½ sealed at front
Installation arrangement
Unrestricted
Tests / Admissions
Electromagnetic compatibility CE conformity acc. EN 61326-2-3
Shock acc. IEC IEC 68-2-27 100 g, 11 ms half sine wave, all 6 directions, free fall from 1 m on concrete (6x)
Constant shock acc. IEC 68-2-29 40 g for 6 ms, 1000x all 3 directions
Vibration acc. IEC 68-2-6 20 g, 15 ... 2000 Hz, 15 ... 25 Hz with amplitude μ 15 mm, 1 Octave/min. all 3 directions, 50 constant load
UL recognized component marks acc. E325110
Protection against explosion
Intrinsic safety "i" (with current output only)
Ex II 1/2 G Ex ia IIC T4 Ga/Gb
Ex II 1/2 D Ex ia IIC T125ÀC Da/Db
EC type examination certificate SEV 10 ATEX 0145
Connection to certified intrinsically safe resistive circuits with maximum values Ui = 30 VDC; Ii = 100 mA = Pi = 0.75 W
Effective internal inductance and capacitance for versions with plugs complying with EN 175301-803-A or M12x1 Li = 0 nH; Ci = 0 nF
Weight
~ 90 g
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