RD40 Density Transmitter

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

• Measuring gas medium: SF_6, Air, N_2, SF₆+N₂ and other gases

DT10 Density Transmitter

DT26 Density Transmitter

RDH40 SF6 Density and Dew Transmitter