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 ZMJ80XDR Density Monitor for SF6 Gas - Reliable Suppliers and Factory Solutions 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
| Scale range | -0.1 ~ 0.9MPa | |
| Accuracy of set pressure point |
±1.0%FS（+20±1℃) ±1.6%FS（-30℃~ +60℃）(gas) |
|
| Accuracy of indication |
±1.0%FS（+20±1℃) ±1.8%FS（-20℃~ +60℃）(gas) ±2.3%FS（-30℃~ -20℃）(gas) |
|
| Accuracy of transmitter |
Pressure: ±0.5%FS Temperature: ±1℃ Pressure at 20℃: ±1.0%FS |
|
| Degree of protection | IP65 Dust & Water Resistant | |
| Ambient condition | -30℃ ~ +60℃, relative humidity: ≤ 95%RH | |
| Leakage rate | ≤ 1×10⁻⁹ Pa·m³/s (Helium leak detection) | |
| Process connection | M20×1.5, (customizable) | |
| Installation method | Radial or axial | |
| Electrical connection |
Contact connection: pluggable connector, wire diameter 0.2 ~ 2.5 mm² Remote connection: pluggable connector, wire diameter 0.2 ~ 1.5 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 |
|
| Window glass | Laminated safety glass | |
| Weight | ≈ 1.4kg | |
| Pressure element | Bellow and Bourdon Tube | |
Frequently Asked Questions
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 supports the Modbus RTU communication protocol over RS485, with a baud rate of 9600bps, ensuring reliable data transmission in industrial environments.
Q
What is the measurement scale range and accuracy of this pressure gauge?
The scale range is -0.1 ~ 0.9MPa. The accuracy of the set pressure point is ±1.0%FS at +20±1℃ and ±1.6%FS across -30℃ to +60℃ for gas. The transmitter pressure accuracy is ±0.5%FS, and temperature accuracy is ±1℃.
Q
What is the degree of protection and operating ambient condition?
The device is rated IP65, providing effective protection against dust and water ingress. It is designed to operate in ambient temperatures from -30℃ to +60℃ with a relative humidity of ≤ 95%RH.
Q
What process connection and installation methods are available?
The standard process connection is M20×1.5, which is also customizable to suit specific application requirements. The device supports both radial and axial installation methods for flexible mounting options.
Q
What type of pressure element is used and what is the leakage rate?
The pressure element consists of a Bellow and Bourdon Tube combination for reliable and accurate pressure sensing. The leakage rate is ≤ 1×10⁻⁹ Pa·m³/s, verified by helium leak detection, ensuring excellent sealing performance.