What is SF6 Environmental Gas Density Meter?

The density monitor employs a spring tube and a bimetallic strip (temperature compensation) as its primary sensing components. It is designed to control and monitor the density of gas in sealed containers, enabling on-site display of the gas density inside the equipment. Widely applicable in SF6 circuit breakers, ring main units, gas-insulated switchgear, eco-friendly gas-insulated cabinets, pole-mounted switches, and transformers, it ensures the safe operation of the equipment.

• Featuring a stainless steel exterior and gas path connectors, the product boasts an aesthetically pleasing appearance and a high protection rating.
• Equipped with imported temperature-sensing components, it ensures high accuracy and stable performance.
• Utilizing silver brazing and laser welding techniques, it undergoes helium mass spectrometry leak detection to guarantee superior sealing performance.
• With multiple interface connection options, it is compatible with various self-sealing valves and suitable for diverse SF6 and eco-friendly gas-insulated switchgear equipment domestically and internationally.
Technical Parameters
|
Parameter |
Specification |
|
Measuring Range |
Gauge Pressure: -1.0 to 1.0 bar |
|
Accuracy Class |
Class 1.5 (at 20°C) |
|
Connection Thread |
M24x1.5 |
|
Operating Environment |
-40°C to 60°C |
|
Relative Humidity |
≤ 95% |
|
Protection Level |
IP67 |
|
Impact Resistance |
300 m/s² |
|
Vibration Resistance |
20 m/s² |
|
Dielectric Strength |
AC 2000 V/min, 50/60 Hz |
|
Insulation Resistance |
≥ 100 MΩ |
|
Annual Leakage Rate |
≤ 1×10⁻⁹ bar·m³/s |
|
Contact Capacity |
AC/DC 250V, 50 VA / 30 W |
|
Maximum Operating Voltage |
AC 380 V |

Conclusion
The SF6 eco-friendly gas density gauge is a precision device that integrates pressure sensing, temperature compensation, and electrical signal output. Its core function is to continuously monitor the density of insulating gas in sealed electrical equipment, ensuring that the insulation strength remains above safe levels. It promptly issues alarms and lockout signals when density falls below the threshold, making it an indispensable "guardian" for ensuring the safe and stable operation of power systems.
