Used for monitoring sealed containersSF₆The density of gas can be displayed on-site,At the same time, it canRelying on outputSF6 gas density signal for remote monitoring and surveillanceSuitable for monitoring medium voltage systems, it can provide various solutions such as supporting new substations and intelligent transformation of existing substations.

SF₆Gas insulated ring main unit

SF₆Gas insulated switchgear

1. Equipped with temperature compensation device for higher measurement accuracy

2.haveRS485Remote transmissionFunction, convenientremotemonitor

3. Suitable for different installation needs indoors and outdoors

4. selectAISI 304Stainless steel made sealed case

5. selectAISI 316Stainless steel made pneumatic connection components

6. The on-site display values and output signals are not affected by external factors such as altitude

Technical Parameter

1. Shell diameter:64mm

2. Measurement range:1.0 ~ 2.0 bar abs.

3. Measurement accuracy: (Depending on the measurement range, andSF₆For gaseous state）

a)20°C: 1.0level,perhaps1.5level

b)-40°C ~+ 60°C: 2.5level

4. Protection level:IP65

5. Working temperature: -40°C~ +60°C,relative humidity≤ 95%RH

6. Leakage rate: ≤1×10^-9Pa·m³/s (Helium leak detection)

7. Interface size:M24×1.5(Can)Customized)

8. Installation method: radial or axial

9. Weight: 0.3kg

Main electrical performance indicators and specifications for remote transmission

lWorking voltage:DC 24V

lpower waste:<>

lCommunication method:RS485

lCommunication protocol:ModBus RTU

lTransmission speed:9600bps

lanti-electromagnetic interferenceIEC61000-4-2：4level(15kV)

IEC61000-4-3：3level(10V/m)

IEC61000-4-4：4level(4kV)

IEC61000-4-5：3Grade（+/-2kV）

IEC61000-4-6：3Grade（10V）

IEC61000-4-8：5Grade（100A/m）

measuring range

operation temperature

Outgoing method and cable length

installation direction

High altitude environment use

detectableSF₆、Air、N2、SF₆+N₂Waiting for gas