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ZMJ100PRDH Density Micro-Moisture Integrated Collector

Remote density monitor and dew point sensor are integrated to achieve in situ collection and processing and report the density, pressure, temperature, and micro-water content information simultaneously. These instruments are used to monitor the density, pressure, temperature and micro-water content of SF6 gas in sealed tanks and able to display the gas density on the site display and to provide signal outputs when the density value reaches the set value; they can transmit the real-time remote data of SF6 gas density, pressure, temperature, and micro-water and achieve the online remote monitoring. They are designed to monitor High Voltage systems. They can provide multiple solutions to support new substations and the intelligent transformation of existing substations.
ZMJ100PRDH Density Micro-Moisture Integrated Collector
  • ZMJ100PRDH Density Micro-Moisture Integrated Collector
  • ZMJ100PRDH Density Micro-Moisture Integrated Collector 1
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Drawing of ZMJ100PRDH Density Micro-Moisture Integrated Collector


ZMJ100PRDH Density Micro-Moisture Integrated Collector

Application of ZMJ100PRDH Density Micro-Moisture Integrated Collector


  • SF6 Gas Insulated Switchgear (GIS)

  • SF6 Insulated Circuit Breakers

  • SF6 Insulated Pole-Mounted Switch

  • SF6 Insulated Transformer

  • SF6 Insulated Transformer

  • SF6 Insulated Busbar Systems


Feature of ZMJ100PRDH Density Micro-Moisture Integrated Collector


  • The temperature compensation system guarantees higher precision. 

  • Indoor or outdoor installation 

  • AISI 304 hermetic stainless steel case 

  • AISI 316 stainless steel connexion tubes 

  • The on-site display and output signals are not influenced by the external environment (altitude, etc.). 

  • Integrated collection system design that efficiently ensures airtightness 


  • The collection system occupies one vent, reducing the chance of leakage 

  • Remote-style density monitor and dew point sensor for in-situ collection and processing and simultaneous reporting of density, pressure, temperature and micro-water content 

  • Collectors apply RS485 communication mode, facilitating on-site networking and commissioning 


Technical Data of ZMJ100PRDH Density Micro-Moisture Integrated Collector


Case diameter:100mm
Scale range:Density:-0.1 to 0.9MPa (customizable)
Dew point:-50°CDP to 30°CDP (working condition)
Accuracy:(related to the measuring span; SF6 in gas phase)
a)      At 20°C:Class 1.0 or 1.5
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
Electrical connection:Plug-in connection M20 × 1.5 sealing head
cable size:1.5mm2 recommended, 2.5mm2 maximum
Insulation properties:
Insulation resistance:>100 MW (DC 500V)
Withstand voltage:2kV, 50/60 Hz 1 min
Contact type:Magnetic snap-action switch
80%Ag, 20%Ni, 10µm Au plated
Impact rating:50g (oil-filled), 30g (non-oil-filled)
Contact electrical parameters:30W/50VA, 1A (maximum)
220VDC/380V 50/60Hz (maximum)
Watch glass:Laminated safety glass
Weight:5.5kg
Pressure element:European bourdon tubes


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 ZMJ100PRDH Density Micro-Moisture Integrated Collector


  • Withstand voltage: 2.5kV 50/60 Hz 1min

  • Oil-filled

  • 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