Page 389 - Bürkert

Pressure transmitter / Switch

8311

• Pressure measurement and switch in
one device
• Switch for alarm or event logging
• Bar graph display for local monitoring

• Continuous or on/off control
• 2-wire transmitter

Programmable pressure sensor with switching and transmitting functions. Envelope Dimensions [mm] (see datasheet for details)
It has a large display with bar graph and simple menu guided controls.
Connection to the process with standard stainless steel connection. The Sensor connection G 1/2”
process value can be transmitted to a PLC via a 4-20 mA signal.
B
A
Technical Data
General data
Materials
Housing, cover PC, +20% glass fibre
Front panel folio / Screws Polyester / Stainless steel
Cable plug/Multipin PA
Materials wetted parts Stainless steel
Seal FKM (EPDM option)
Sensor element Ceramic cell (Al 2 O 3 )
Service life of pressure cell Min. 100 million cycles
Electrical connections Adjustable 5-pin M12 connector for 5-pin
Socket (included)
Voltage supply cable 50 m, shielded, 0.14 up to 0.5 mm max.
2
C
Complete device data (pipe + electronic module)
Pipe diameter Any pipe with sensor connection 1/2”
Measuring range up to 1, 2, 5, 10, 20 or 50 bar D
Medium temperature -20 up to 100°C A B C D
(+100°C for an ambient temperature of max. 40°C)
Typical accuracy 54 54 92 18
Transmitter 2-wire version
for 0°C < T < 70°C ≤ ±1% of F.S.*
for -20°C < T < 0°C ≤ ±1% ± 0.03% of F.S.* / °C
for 70°C < T < 100°C ≤ ±1% ± 0.03% of F.S.* / °C Options
Switch version ≤ ±1.5% of F.S.*
• Cable plug, Type 2508, acc. to EN 175301-803
Typical repeatability
Transmitter 2-wire version ≤ ±0.06% • Outputs: Relay 3 A/250 or 3 A/30 V DC
Switch version ≤ ±0.25%

* F.S. = Full scale

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