▎Product Introduction ：
The Fully Electronic SF₆ Density Relay monitors SF₆ gas density in sealed containers with dynamic trend display, refill time prediction and recovery rate measurement, outputting electrical contact signals at preset density values while transmitting real-time data including density, leakage rate and alarm signals for remote online monitoring.
▎Key Features ：
1.Real-time monitoring of SF₆ pressure/temperature/density.
2.Data curve display for visual trend analysis.
3.Leak rate calculation and refill time estimation.
4.Temperature compensation for high accuracy.
5.Recovery rate measurement function.
6.ModBus protocol for remote data transmission.
▎Technical Specifications ：
Parameter |
Value |
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 |
Communication Protocol |
RS-485, ModBus RTU |
Operating Voltage |
DC24V |
Phone：+86 400 659 6699
E-mail：info@relations.com.cn
Address：
