ZMJ60XD Density Monitor
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.
Drawing of ZMJ60XD Density Monitor
Application of ZMJ60XD 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 ZMJ60XD Density Monitor
Gas compensation ensures greater precision of the set point.
Suitable for various indoor and outdoor installation requirements
Micro switch enables normally open contacts and normally closed contacts freely switch to each other.
Up to four switch contacts can provide overpressure alarm, dual alarm or double locking, and many other solutions, which ensure secure and more reliable monitoring
High resistance to shock
Without oil, no risk of leakage
Closed contacts normally do not trigger false vibratory alarms
Technical Data of ZMJ60XD Density Monitor
| Scale range: | -0.1 to 0.9MPa |
| Accuracy of set point: | ±10 kPa （ –30 to +50 °C） |
| Accuracy of indicator: | ±10 kPa at 20 °C (within scale range) |
| 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: | Mirco switch |
| Impact rating: | 50g |
| Contact electrical parameters: | 30W/50VA, 1A (maximum) |
| 220VDC/380V 50/60Hz (maximum) |
| Watch glass: | Laminated safety glass |
| Weight: | 1.0kg |
| Pressure element: | Bellows |
Options of ZMJ60XD Density Monitor
Measurement range
Wide temperature range -60°C to +60°C
Can detect SF6, Air, N2, SF6 + N2 and other gases
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