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ZMJ100PRO Fiber Optic Remote Transmission Density Monitor

Using optical fiber as a communication medium, these instruments can realize the remote transmission and monitoring of SF6 gas density in sealed tanks. They can also provide a signal outputs when the density reaches the set value. They are able to transmit the real-time data of SF6 gas density remotely and realize the online remote monitoring. They are suitable for monitoring high-pressure system and realizing the online remote monitoring. They can provide multiple solutions to support new substations and the intelligent transformation of existing substations.
ZMJ100PRO Fiber Optic Remote Transmission Density Monitor
  • ZMJ100PRO Fiber Optic Remote Transmission Density Monitor
  • ZMJ100PRO Fiber Optic Remote Transmission Density Monitor 1
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Drawing of ZMJ100PRO Fiber Optic Remote Transmission Density Monitor


ZMJ100PRO Fiber Optic Remote Transmission Density Monitor


Application of ZMJ100PRO Fiber Optic Remote Transmission Density Monitor


  • SF6 Gas Insulated Switchgear (GIS)

  • SF6 Insulated Circuit Breakers

  • SF6 Insulated Pole-Mounted Switch

  • SF6 Transformers

  • SF6 Insulated Mutual Inductor

  • SF6 Gas Insulated Busbar Systems


Feature of ZMJ100PRO Fiber Optic Remote Transmission Density Monitor


  • The temperature compensator ensures greater accuracy of measurement. 

  • Fiber optic interface, high data capacity, high communication speed, strong adaptability, long service life. 

  • Strong anti-interference capability, in particular for powerful electromagnetic and static interference. 

  • Suitable for installation indoor or outdoor. 

  • Hermetically sealed case of stainless steel AISI 304 

  • AISI 316 stainless steel gas connecting tubes 

  • With the HUB self-developed optical interface, all monitoring points can be linked to higher IEDs, reducing the number of interfaces and saving IED resources. 

  • With a perfect mechanical and electronic combination, local indication and instrumentation control can be achieved 

  • Four pairs of contacts can achieve alarm overpressure, dual alarm or double lock and many other options to ensure the security and reliability of the monitoring process.


Technical Data of ZMJ100PRO Fiber Optic Remote Transmission Density Monitor


Case diameter:100mm
Scale range:-0.1 to 0.9MPa (customizable)
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
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 sizeM20 × 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:gnetic 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:1.2kg
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:Optical cable
Protocol:ModBus RTU
Baud rate:57600bps


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 ZMJ100PRO Fiber Optic Remote Transmission Density Monitor


  • Power-frequency 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