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ZMJ60R Density Monitor

ZMJ60R Density Monitors is used to monitor the density of gas in closed containers, and can be widely used in medium voltage switchgear and ring network cabinet. It can display gas density on site, and reliably output SF6 gas density signal for remote monitoring and monitor- ing. It can be used in the new substation building and renovation and upgrading of existing substation.

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Drawing

Application

Feature

Technical Data

Options

SF₆ Gas Insulated Ring Main Unit
SF₆ Gas Insulated Switch Gear

Self-sealing: when this valve is disconnected from ei- ther side,it can seal and stop the flow of gas.
Can withstand repeated usage.
Can be used on outdoor switchgear.
Can connect SF₆ gas filling and vacuum pumping de- vices.
Can connect SF₆ gas recovery truck.

Technical Parameters for Remote Module

Operating voltage	10~30VDC	EMC Class	IEC61000-4-2：Level 4 IEC61000-4-3：Level 3 IEC61000-4-4：Level 4 IEC61000-4-5：Level 3 IEC61000-4-6：Level 3 IEC61000-4-8：Level 5
Power consumption	<0.5W
Communication mode	RS485
Communication protocol	Modbus RTU
Baud rate	9600bps

Technical Parameters

Technical Parameters
Case diameter	64mm
Scale range	0 ~ 2bar abs.(customizable)
Accuracy of indication	±1.5%FS（+20±1℃) ; ±2.5%FS（-20℃~ +60℃)（gas）
Degree of protection	IP65
Ambient condition	-20℃ ~ +60℃ realative humidity ≤ 95%
Leakage rate	≤ 1 × 10-9 Pa·m3/s (Helium leakage inspection)
Process connection	M20 x 1.5 (customizable)
Installation mode	Radial or axial
Electrical connection	Pluggable connector, wire diameter 1 ~ 2.5 mm2 (1.5mm2 recommended)
Insulation property(contact part)	Insulation resistance: >100MΩ (DC500V) withstand voltage: 2kV, 50/60Hz, 1min
Contact type	Magnetic snap-action contact (Up to 3 set of contacts.s , NO & NC)
Impact rating	30 g
Contact electrical parameters	Rated Power：30VA Max switching voltage：380V Max switching current：1A
Weight	≈ 0.9kg
Pressure element	Bourdon tube

Measuring range
Wider temperature range: -40℃ ~ +60℃ Outlet mode and cable length
Installation method
High altitude environment application
Measuring Medium：SF₆, Air, N₂, SF₆+N₂ and other gases
Optional measurement accuracy：±1.0%FS（+20± 1℃) , ±2.5%FS（-20℃~ +60℃)（gas phase）