ZMJ60R Remote-Transmission Density Monitor
These instruments are used to monitor the density of SF6 gas in sealed tanks and can be widely used in medium voltage switchgear and RMU. They are applied to indicate the gas density and reliably output SF6 gas density signal for remote monitoring. They can provide multiple solutions to support new substations and the intelligent transformation of existing substations.
Drawing of ZMJ60R Remote-Transmission Density Monitor
Application of ZMJ60R Remote-Transmission Density Monitor
Features of ZMJ60R Remote-Transmission Density Monitor
Minimisation of volume, custom interface, convenient and reliable installation.
Pressure interface customised to customer requirements.
Utmost three pairs of contact switching can be provided according to user needs.
The RS485 remote function ensures remote monitoring
Technical Data of ZMJ60R Remote-Transmission Density Monitor
| Case diameter: | Φ64mm |
| Case material: | Stainless steel |
| Scale range: | 0 to 2bar (abs.) or -1 to 6bar |
| Accuracy: | Class 1.5 at20°C; class 2.5 at-40°C to+ 60°C |
| Ambient conditions: | -40°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 switch (Maximum two groups, normally open or normally closed, customized by 3 groups according to users' needs) |
| Pressure connection: | M20×1.5 (customizable) |
| Installation method: | radial or axial |
| Insulation properties: |
|
| Insulation resistance: | >100 MW (500 V DC) |
| Withstand voltage: | 2kV, 50/60 Hz 1 min |
| Contact electrical parameters: | Power: 30VA |
| Maximum operating voltage: | 380V |
| Maximum current: | 1A |
| Weight: | 0.3kg |
| 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: | RS485 |
| Protocol: | ModBus RTU |
| Baud rate: | 9600bps |
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 ZMJ60R Remote-Transmission Density Monitor
Measuring range
Ambient condition
Outlet Direction and cable length
Installation method
Suitable for High-altitude environment
Can detect SF6, Air, N2, SF6 + N2 and other gases
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