Used for monitoring sealed containersSF₆The density of the gas can be displayed on site, and an alarm will be triggered when the density value reaches the set value，Real time remote transmission capabilitySF₆Gas density change data, realizing online remote monitoring function.apply tocentreMonitoring of pressure systemWe can provide various solutions such as supporting new substations and renovating existing substations.

SF6Gas insulated ring main unit

SF6Gas insulated switchgear

1. approveRealize on-site implementationdigital displayAnd control

2. RS485Bus interface, easy system expansion, convenient for implementing telemetry and remote control functions，Strong ability to resist electromagnetic interference

3. Suitable for different installation needs indoors and outdoors

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

5. at mostthreedocking point

6. productvolumesmallInstall the interfaceapproveCustomized, convenient and reliable

1. Shell diameter: 64mm

2. Measurement range: 1.0~2.0 bar abs

3. Measurement accuracy: (depends on the measurement range, and SF6 is in the gaseous state)

a) 20 ° C: 1.0 level, or 1.5 level

b) -30 ° C~+60 ° C: Level 2.5

4. Protection level: IP65

5. Working temperature:- 30 ° C~+60 ° C, relative humidity ≤ 95% RH

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

7. Interface size: M20 × 1.5 (customizable)

8. Installation method: radial or axial

9. Electrical connection: multi-core cable; 1 meter long (customizable)

10. Insulation performance: Insulation resistance:> 100 MW (500V DC)

Power frequency withstand voltage: 2kV, 50/60 Hz 1min

11. Contact type: Electronic magnetic holding signal relay

12. Contact electrical parameters: 2A 30VDC (resistive load)

13. Weight: 0.3kg

14. detectableSF6、Air、N2、SF6+N2Waiting for gas

measuring range

operation temperature

Outgoing method and cable length

installation direction

High altitude environment use

detectableSF₆、Air、N2、SF₆+N₂Waiting for gas