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RDH Density Micro-Water Humidity Device

These instruments are used to monitor micro-water content, density, pressure and temperature of SF6 gas in sealed tanks, able to achieve real-time remote monitoring. Smart compensation technology is applied for real-time tracking of non-linear gas pressure changes and micro-water changes in SF6 gas, ensuring accurate measurement and wide range of applications. It is suitable for monitoring the high voltage system. The integrated design and effectively ensure the air tightness. It can provide multiple solutions to support new substations and the intelligent transformation of existing substations.
ZMJ100XD Series Density Monitors
  • ZMJ100XD Series Density Monitors
  • ZMJ100XD Series Density Monitors 1
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Drawing of RDH Density Micro-Water Humidity Device



RDH Density Micro-Water Humidity Device


Application of ZMJ100XD Series Density Monitors


  • SF6Gas Insulated Switchgear (GIS)

  • SF6 insulated circuit breakers

  • SF6 insulated pole-mounted switch

  • SF6 insulated transformer

  • SF6 insulated mutual inductor


Features of ZMJ100XD Series Density Monitors


  • Integrated collector design, which can guarantee air tightness effectively.

  • Only one unit takes up the collector, minimising the chance of leakage.

  • The remote density monitor and dew point sensor are integrated in order to achieve on-site collection and processing and to report simultaneously the details on the density, pressure , temperature and micro-water material.

  • Digital signal output, RS485 backend server communications, enabling on-site networking and commissioning.


Technical Data of ZMJ100XD Series Density Monitors


Scale range: Pressure:

0 to 1MPa abs
Dew point:-50°CDP to 60°CDP
Accuracy:(related to the measuring span; SF6 in gas phase)
a)      At 20°C:Class 1.0
b)      -40°C to +60°C:Class 2.5
Dew point:±3°CDP
Degree of protection:IP65
Ambient conditions:-40°C to +60°C, relative humidity ≤ 95%RH
Leakage rate:≤1 × 10-9 Pa·m3/s (Helium leakage inspection)
Interface size:M20 × 1.5, (customizable)
Installation method:radial or axial
Pressure interface:flange interface
Weight:

2.5kg


Main electrical performance indicators and specifications of the remote transmission part

Power supply:

DC 24V

Power consumption:

< 2W

Communication mode:

RS485

Protocol:

ModBus RTU
Baud rate:

9600bps


Anti-electromagnetic interference

IEC61000-4-2:

level 4 (15kV)

IEC61000-4-3:

level 3 (10V / m)

IEC61000-4-4:

level 4 (4kV)

IEC61000-4-5:

level 3 (+/- 2kV)

IEC61000-4-6:

level 3 (10V)

IEC61000-4-8:

level 5 (100A / m)


Options of ZMJ100XD Series Density Monitors

  • Measuring Medium: SF6, Air, N2, SF6 + N2 and other gases



                   

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Lanso Instruments LLC.
CA, 828 Harbourside Dr Unit106 North Vancouver, BC V7P 3R9, Canada
+1 6049873882
info@lansoinstruments.com
CA, 828 Harbourside Dr Unit106 North Vancouver, BC V7P 3R9, Canada
info@lansoinstruments.com
+1 6049873882