ZMJ100P Density Monitor

Name: ZMJ100P Density Monitor
Brand: Lanso Instruments LLC.

These gas density monitors are used to monitor SF6 gas density in sealed tanks. They are applied to indicate the gas density and to provide a signal outputs when the density reaches the set value. They are designed to monitor High Voltage systems. They can provide multiple solutions to support new substations and the intelligent transformation of existing substations.

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Drawing of ZMJ100P Density Monitor

ZMJ100P Density Monitor

Application of ZMJ100P Density Monitor

SF6 Gas Insulated Switchgear (GIS)
SF6 Insulated Circuit Breakers
SF6 Insulated Pole-Mounted Switch
SF6 Insulated Transformers
SF6 Insulated Mutual Inductor
SF6 Insulated Busbar Systems

Feature of ZMJ100P Density Monitor

The temperature compensation unit ensures greater accuracy of instrumentation pressure measurement.
Suitable for installation indoor or outdoor.
Hermetically sealed case of stainless steel AISI 304
AISI 316 stainless steel gas connexion tubes
The value on site and the output signals are not affected by the external environment (e.g. altitude factor).
Electric contact switch design ensures the accurate and stable gas monitoring system which monitors SF6 gas density
Up to four gas density switch contacts can achieve overpressure alarm, dual alarm or double lock, and many other solutions to secure and reliable monitoring

Technical Data of ZMJ100P 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 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
Contact type:	80%Ag, 20%Ni, 10µm Au plated
Impact rating:	50g (oil-filled), 30g (non-oil-filled)
Contact electrical parameters:	30W/50VA, 1A (maximum)
Contact electrical parameters:	220VDC/380V 50/60Hz (maximum)
Watch glass:	Laminated safety glass
Weight:	1.0kg
Pressure element:	European bourdon tubes