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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.
RDH40 Density and Dew Point Transmitter For SF6 Gas
  • RDH40 Density and Dew Point Transmitter For SF6 Gas
  • RDH40 Density and Dew Point Transmitter For SF6 Gas
  • RDH40 Density and Dew Point Transmitter For SF6 Gas
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Drawing of DH40 Density and Dew Point Transmitter For SF6 Gas


RDH40 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)


Options of RDH40 Density and Dew Point Transmitter For SF6 Gas


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

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Lanso Instruments INC.
233 W 1st St #210, North Vancouver, Canada
info@lansoinstruments.com
233 W 1st St #210, North Vancouver, Canada
info@lansoinstruments.com