RD40 Density Transmitter
The RD40 density transmitter is used to monitor the temperature, pressure and density of the gas in sealed tanks, and the functional parameters meet the requirements of the National Grid "QGDW123554-2023 Smart substation technical specification Part 4: Digital remote transmission meter" standard. It can be used in the new substation and the renovation and upgrading of existing substation.
Application of RD40 Density Transmitter
SF6 Gas Insulated Swithchgear (GIS)
SF6 Insulated Circuit Breaker
SF6 Insulated Pole-Mounted Switch
SF6 Insulated Transformer
SF6 Insulation Current Transformer or Voltage Transformer
SF6 Insulated Bus System
Features of RD40 Density Transmitter
All welded sensor structure, long-term stable sealing performance
RS485 bus interface, easy to do the system expansion.
Meet the requirements of "QGDW123554-2023 Smart substation technical specification Part 4: Digital remote transmission meter"
Compact and beautiful design
Technical Data of RD40 Density Transmitter
Measuring range: -0.1 ~ 0.9MPa
Accuracy of transmitter:
Pressure:±0.5%FS
Temperature:±1℃
Pressure at 20℃:±1.0%FS
Degree of protection: IP65
Ambient condition: -40℃ ~ +70℃, relative humidity:≤95%RH
Leakage rate: ≤1 x 10-9Pa·m3/s (Helium leakage inspection)
Process connection: M20 x 1.5 (customizable)
Electrical connection: Hersman connector
Impact Rating: 50 g
Weight: 0.4kg
Technical Parameters for Remote Module
Operating voltage: 10~30VDC
Power consumption :<0.5W
Communication mode :RS485
Communication protocol: Modbus RTU
Baud Rate: 9600bps
EMC tests:
IEC61000-4-2: Level 4
IEC61000-4-3: Level 3
IEC61000-4-4: Level 4
IEC61000-4-5: Level 4
IEC61000-4-6: Level 3
IEC61000-4-8: Level 5
IEC61000-4-9: Level 5
IEC61000-4-10: Level 5
Options of RD40 Density Transmitter
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Pressure Instruments Inquiry
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