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ZMJ60 Density Monitor

ZMJ60 Density Monitors are used to monitor the density of SF₆ gas in sealed tanks and can be widely used in me- dium voltage switchgear and RMU. They’re also suitable for outdoor harsh conditions.
They can provide multiple solutions to support new sub- stations and the renovation and upgrading of existing substations.

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SF₆ Gas Insulated RMU
SF₆ Gas Insulated Switchgear

Compact design, customizable installation inter- face, convenient and reliable.
Process connection customizable in accordance with customer's demands.
Up to three sets of switching contacts can be pro- vided according to user’s needs.
Temperature compensation for higher accuracy.

Case diameter	Φ64mm
Case material	Stainless steel
Scale range	0 to 2bar abs. （customizable）
Accuracy	±1.5%FS（+20±1° C） ±2.5%FS（-20° C ～ +60° C）(gas phase)
Ambient conditions	-20° C to +60° C, relative humidity ≤ 95%RH
Degree of protection	IP65
Leakage rate	≤ 1 × 10-9 Pa·m3/s(Helium leakage inspection)
Contact type	Magnetic snap-action contacts (up to 3 sets, NO or NC）
Process connection	M20×1.5 (customizable)
Installation method	Radial or Axial
Insulation properties	Insulation resistance: >100 MΩ (500 V DC) Withstand voltage: 2kV, 50/60 Hz 1 min
Contact electrical parameters	Rated Power: 30VA Max operating voltage: 380V Max current: 1A
Weight	≈ 0.5kg
Pressure Element	Bourdon tubes

Different measuring ranges
Wider temperature range: -40℃ to +60℃
Outlet Direction and cable length
Installation method
Suitable for High-altitude environment
Can detect SF₆、Air、N₂、SF₆+N₂ and other gases
Optional measurement accuracy：±1.0%FS（+20±
1℃) , ±2.5%FS（-20℃~ +60℃)（gas phase）