▎Product Introduction ：
The NA1100P Wireless Passive SF₆ Density Sensor delivers high-precision monitoring of SF₆ gas density, pressure and temperature in high-voltage equipment chambers, utilizing precision pressure/temperature measurement units with temperature compensation curves across extreme environments to achieve exceptional measurement accuracy, stability, reliability, interference resistance and protection grade, while transmitting real-time data to backend systems for trend analysis and alarm triggering to ensure SF₆ equipment safety and meet smart substation requirements for State Grid and Southern Power Grid.
▎Key Features ：
1.Optional wired/wireless configurations for real-time SF₆ density/pressure/temperature monitoring.
2.Real-time data transmission to monitoring center with trend analysis.
3.Strong EMI resistance with wide temperature compensation.
4.Complies with State Grid 'Smart Substation Technical Specifications Part 4: Digital Meters'.
5.Meets Southern Power Grid 'Digital Substation Remote Transmission Meter Technical Requirements'.
▎Technical Specifications ：
Parameter |
Value |
Model |
NA1100P |
Communication |
RS-485 wired output |
Pressure Range |
(-0.1~0.9) MPa |
Density Error |
≤±0.5% F.S |
Temperature Range |
(-40~+70)°C |
Temperature Error |
±1°C |
Density Accuracy |
Class 1.0/1.6 @20°C, Class 1.6/2.5 @-40°C~+60°C (optional) |
Sealing Performance |
1×10⁻⁹ Pa·m³/s (helium leak test) |
Interface Size |
M20×1.5, G1/2 (customizable) |
Insulation Performance |
Insulation Resistance: ≥100 MΩ Dielectric Strength: 2 kV, 1 min, no breakdown |
Enclosure Protection |
IP65 |
Gas Types |
SF₆, SF₆/N₂, SF₆/CF₄, etc. |
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