Huba Pressure sensor 680

The pressure transmitters of type 680 with piezoresistive measuring elements have compensated, adjusted and amplified sensor signals which are available as standard voltage or current outputs. The transmitter housing is available with various pressure and electrical connections. Manufactured from stainless steel, its welded construction provides a watertight seal. With its sophisticated building block system, individual designs to meet specific applications are possible.

Effective overload protection due to chemically eteched chip diaphragm and
 specially designed glass gland
Fast and affordable customer specific solutions due to building block system, even for small quantities
Compact construction with SMD technology enhances operational reliability in the presence of shock and vibration
Welded construction provides 100%  sealing against media

Relative and absolute    0 ... 25 bar
Overpressure      > 25 ... 1000 bar
Overload
At Pressure ranges 0.1 ... 2 bar    3x pressure range, min. 3 bar
At Pressure ranges > 2 ... 600 bar    3x pressure range, max. 850 bar
At Pressure ranges > 600 ... 1000 bar    1500 bar
Rupture pressure    
At Pressure ranges 0.1 ... 2 bar    > 200 bar
At Pressure ranges > 2 ... 600 bar    > 850 bar
At Pressure ranges > 600 ... 1000 bar    > 1500 bar
Medium
Permissible medium    liquids and gases
Material
Pressure connection, diaphragm, case   stainless steel 1.4435 (316L) (Titanium or Hastelloy C on request)
Sealing material    FPM (other on request)
Temperature
2)
Medium temperature    -40 ... +150 ÀC
Ambient temperature    -40 ... +125 ÀC
Storage temperature    -40 ... +125 ÀC
Output and power supply
3) 4)
  output power supply permissible load
 5)
3-wire
   0 ...   5 V 12 ... 30 VDC  > 10 kOhm
   0 ... 10 V 12 ... 30 VDC > 10 kOhm
2-wire   4 ... 20 mA   9 ... 33 VDC
supply voltage  - 9V
 [Ohm] max.
2-wire (Ex)   4 ... 20 mA   9 ... 28 VDC
supply voltage  - 9V
 [Ohm] max.
Ex-Version    gas dust
Ex-Admission (Depending on execution, see valid ATEX certificate) II 1G Ex ia IIB/IIC T3 ... T6 II 1D Ex iaD 20 IP6x T145 ... T70 ÀC
Standards    EN 60079-0 / EN 60079-11 EN 61241-0 / EN 61241-11
Temperature class Ex-Version  T6 T4 T3
Ambient temperature Ta  -40 ... +50 ÀC -40 ...   +85 ÀC -40 ... +125 ÀC
Medium temperature  -40 ... +50 ÀC -40 ... +110 ÀC -40 ... +150 ÀC
Electrical connection
Cable    PUR, PE or Teflon in variable  lengths
6)
Connector
7)
    DIN EN 175301-803-A / Lumberg RSF 4 / RSF 50 / Binder 723
Pressure connection
Inside thread     G ¼ 1)
Outside thread     G ¼, G ½ 1)
Tests / Admissions norm character  level
Mechanical load
  EN 60068-2-6 vibration  10 g (4 ... 2000 Hz, oscillation μ 10 mmpp)
  EN 60068-2-27 shock  100 g (pulse duration 6 ms)
Interference emit EN 55022 emitted interference, class B < 30 dBøV/m (0.03 ... 1 GHz)
Interference resistance
 EN 61000-4-2 discharge static electricity 8 kV contact-, 15 kV air discharge
  EN 61000-4-3 electromagnetic radiation 10 V/m, 0.08 ... 2.7 GHz, 80% AM 1 kHz, 3s
  EN 61000-4-4 fast transients (burst)  4 kV
  
EN 61000-4-5
impulse voltage (surge)
  Line-Line 0.5 kV/42 Ohm,
     Line-Earth 1 kV/42 Ohm
  EN 61000-4-6 grid-bound electromagnetic blockage 10 V, 0.15 ... 80 MHz, 80% AM 1 kHz, 3s
Packaging
Single packaging    carton padded cellular material
Weight
Cable version (2 m)    ~ 250 g
Connector version    ~ 150 g

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