SF6 Gas Density Monitor
SF6 gas density transmitter
SF6 gas valve
SF6 Gas Detection Analyzer Series
Leakage Current Monitoring Series
Transformer Accessories Series
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China ZMJ60XDR Density Monitor Suppliers - SF6 Gas Density Monitoring Factory for High Voltage Systems
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Technical Parameters for Remote Module
| Operating voltage | 10~30VDC | EMC tests |
IEC61000-4-2: Level 4 IEC61000-4-3: Level 3 IEC61000-4-4: Level 4 IEC61000-4-5: Level 4 IEC61000-4-6: Level 3 IEC61000-4-8: Level 5 IEC61000-4-9: Level 5 IEC61000-4-10: Level 5 |
| Power consumption | <0.5W | ||
| Communication mode | RS485 | ||
| Communication protocol | Modbus RTU | ||
| Baud rate | 9600bps |
Technical Parameters
| Technical parameters | |
| Scale range | -0.1 ~ 0.9MPa |
| Accuracy of set pressure point | ±10 kPa @ –30 ～ +60 °C（gas） |
| Accuracy of indication | ±10 kPa @ –30 ～ +60 °C（gas） |
| Accuracy of transmitter |
Pressure: ±0.5%FS Temperature: ±1℃ Pressure at 20℃: ±1.0%FS |
| Degree of protection | IP65 |
| Ambient condition | -30℃ ~ +60℃, relative humidity: ≤ 95%RH |
| Leakage rate | ≤ 1×10⁻⁹ Pa·m³/s (Helium leak inspection) |
| Process connection | M20 x 1.5 (customizable) |
| Installation method | Radial or Axial |
| Electrical connection | Pluggable connector, wire diameter 0.2~2.5 mm² |
| Insulation property (contact part) |
Insulation resistance: >100MΩ (DC500V) Withstand voltage: 2kV, 50/60Hz, 1min |
| Contact type | Microswitch |
| Impact rating | 50g |
| Contact electrical parameters |
10(1.5)A, 250V AC 0.1(0.05)A, 250V DC |
| Watch glass | Laminated safety glass |
| Weight | ≈ 1.2kg |
| Pressure element | Bellow |
Frequently Asked Questions (FAQ)
Q
What is the operating voltage range of the remote module?
The remote module operates within a voltage range of 10~30VDC, making it compatible with a wide variety of industrial power supply systems.
Q
What communication protocol does the remote module support?
The remote module communicates via RS485 and supports the Modbus RTU protocol at a baud rate of 9600bps, which is widely used in industrial automation and SCADA systems.
Q
What is the measurement accuracy of the transmitter?
The transmitter provides a pressure accuracy of ±0.5%FS and a temperature accuracy of ±1℃. At 20℃, the pressure accuracy is ±1.0%FS, ensuring reliable and precise measurements across operating conditions.
Q
What is the degree of protection and what environmental conditions can the device withstand?
The device is rated at IP65, providing full protection against dust ingress and low-pressure water jets. It operates reliably within an ambient temperature range of -30℃ to +60℃ and at a relative humidity of up to ≤ 95%RH.
Q
What EMC standards does the remote module comply with?
The remote module has passed multiple IEC61000-4 series EMC tests, including electrostatic discharge (Level 4), radiated immunity (Level 3), electrical fast transient (Level 4), surge (Level 4), conducted immunity (Level 3), and power frequency magnetic field (Level 5), among others — ensuring robust performance in electromagnetically demanding environments.
Q
What installation methods and process connections are available?
The device supports both Radial and Axial installation methods to suit different mounting configurations. The standard process connection is M20 x 1.5, which is customizable upon request. Electrical connection is made via a pluggable connector supporting wire diameters from 0.2 to 2.5 mm².