RDH40 Density and Dew Point Transmitter For SF6 Gas
This product is mainly used to monitor the temperature, pressure, density and dew point of SF6 gas in closed containers, with real-time remote monitoring function. Intelligent compensation technology is adopted inside the product, which can track the nonlinear change of SF6 gas pressure and the change of humidity in real-time. The measurement is accurate and widely used. Suitable for medium and high voltage system monitoring, can provide new substation supporting and existing substation intelligent transformation and other solutions.
Drawing of DH40 Density and Dew Point Transmitter For SF6 Gas
Application of RDH40 Density and Dew Point Transmitter For SF6 Gas
SF6 Gas Insulated Switchgear (GIS)
SF6 insulated circuit breakers
SF6 insulated pole-mounted switch
SF6 insulated transformer
SF6 insulated mutual inductor
SF6 Gas insulated busbar systems
SF6 insulated inflatable cabinet
SF6 insulated RMU
Features of RDH40 Density and Dew Point Transmitter For SF6 Gas
SF6 gas remote density transmitter suitable for medium and high-pressure system monitoring
Multi-parameter meter for simultaneous monitoring of gas dew point, density, pressure and temperature
RS485 bus communication（Modbus RTU）
The EMC characteristics of the transmitter fully meet the highest requirements of IEC 61000-4-2 to IEC 61000-4-6 standards
Technical Data of RDH40 Density and Dew Point Transmitter For SF6 Gas
| Operating environment: | -40℃~+80℃ |
| Pressure range: | 0～1.4MPa abs. |
| Temperature range: | -40℃～+80℃ |
| Dew point range: | -50℃～+20℃ |
| Pressure accuracy: | ±0.5% FS |
| Temperature accuracy: | ±0.5℃ |
| Dew point accuracy: | ±3℃ |
| leakage: | ≤1X10-9Pa·m3/s |
| IP rating: | IP65 |
Main electrical performance indicators and specifications of the remote transmission part
| Power supply: | 24V DC |
| Power consumption: | < 0.35W |
| Communication mode: | RS485 |
| Protocol: | Modbus RTU |
| Baud rate: | 9600bps |
Anti-electromagnetic interference
| IEC61000-4-2: | level 4 (8kV/15kV) |
| IEC61000-4-3: | level 3 (10V / m) |
| IEC61000-4-4: | level 4 (2kV/4kV) |
| IEC61000-4-5: | level 4 (2kV/4kV) |
| IEC61000-4-6: | level 3 (10V) |
| IEC61000-4-9: | level 5 (1000A / m) |
| IEC61000-4-10: | level 4 (30A / m) |
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