DT26 Density Transmitter
These instruments are used to monitor SF6 gas density in sealed tanks. It can provide multiple solutions to support new substations and the intelligent transformation of existing substations.
Drawing of DT26 Density Transmitter
Application of DT26 Density Transmitter
SF6Gas 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 DT26 Density Transmitter
SF6 gas remote density transmitter suitable for medium and high pressure system monitoring
All welded sensor structure, long - term stable sealing performance
RS485 bus communication
The EMC characteristics of the transmitter fully meet the highest requirements of IEC 61000-4-2 to IEC 61000-4-6 standards
Compact design
Technical Data of DT26 Density Transmitter
| Scale range: | 0 to 1.0MPa abs.or 0 to 0.2MPa abs.(customizable) |
| Accuracy: | (related to the measuring span; SF6 in gas phase) |
| a) At 20°C: | Class 1.0 |
| b) -40°C to 60°C: | Class 2.0 |
| Degree of protection: | IP65 |
| Ambient conditions: | -40°C to 60°C, relative humidity ≤ 95%RH |
| Leakage rate: | ≤ 1 × 10-9 Pa·m3/s (helium leak check) |
| Electrical connection: | Angular connector |
| Weight: | 0.2kg |
Main electrical performance indicators and specifications of the remote transmission part
| Power supply: | 24V DC |
| Power consumption: | < 0.2W |
| Communication mode: | RS485 |
| Protocol: | ModBus RTU |
| Baud rate: | 9600bps |
Anti-electromagnetic interference
| IEC61000-4-2: | level 4 (8/kV15kV) |
| IEC61000-4-3: | level 3 (10V / m) |
| IEC61000-4-4: | level 4 (4kV) |
| IEC61000-4-5: | level 4 (4kV/2kV) |
| IEC61000-4-6: | level 3 (10V) |
Options of DT26 Density Transmitter
Pressure connection: M20 × 1.5, (customizable)
Measuring gas medium：SF6、Air、N2、SF6+N2 and other gases
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