Profile

Pressure Transmitter
Differential Pressure Transmitter
Electronic Pressure Switches
Pressure Level Transmitter
Overpressure And Vacuum Switches
Differential Pressure Switches
Digital Indicating Device
Force Cells
Pressure Measuring Cells
 

  Pressure-type level sensing transmitter

Pressure-type level sensing transmitter
Type 681

0 - 25 bar

Pressure range gradation and executions see order code selection table
(PDF Datasheet)



Description  

Level Sensing Transmitter type 681




Technical data
Overload 3x measurement range, min. 3 bar
Rupture pressure > 200 bar (0.1 ... 25 bar)
Accuracy acc. initial point setting DIN 16086,
  inclusive hysteresis and repeatability
  < +/- 0.5 % fs
  < +/- 0.25 % fs (option)
  < +/- 0.1 % fs up to pressure range 1 bar (option)
Application temperature -5 to 50 °C Storage -40 to +50 °C
Temperature error Zero point (-5 to 50 °C)
  0 ... < 0.5 bar +/- 0.06% fs/°C
  0.5 ...< 2 bar +/- 0.03% fs/°C
  2 ... 25 bar +/- 0.015% fs/°C
  Operating range (-5 to 50 °C)   +/- 0.015% fs/°C
Dynamic response Response time < 1 msec.
  Response time < 1 msec.
Outputs and power supply See order code selection table
Load
0 - 20 mA:
supply voltage - 6 V
[Ohm]
-------------------
0.02 A
  max. 1 kOhm
 
4 - 20 mA: max.
supply voltage - 9 V
[Ohm]
-------------------
0.02 A
Intrinsically safe version Intrinsically safety II 1G EEx ia IIC T4...T6
  Intrinsically safety II 1G EEx ia IIB T4...T6
  Output    4 - 20 mA
  Power supply 15 - 30 VDC
  Load:  
max.
supply voltage
- 10 V
[Ohm]
-------------
0.02 A
Current consumption 0 - 5 V 2.5 mA
  0 - 10 V 2.5 mA
  0 - 20 mA 26 mA fs (max. 30 mA)
  4 - 20 mA 20 mA fs (max. 31 mA)
Protection class Test voltage 500 volts
Copyright © 2008. ALM .
Terms of Use
English Arabic French Spanish