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 & 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
| 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 | |
| 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 range of industrial power supply systems. Power consumption is kept below 0.5W, ensuring energy-efficient operation.
Q
What communication protocol does the remote module support?
The remote module communicates via RS485 using the Modbus RTU protocol at a baud rate of 9600bps. This is a widely adopted industrial standard, ensuring seamless integration with PLCs, SCADA systems, and other industrial controllers.
Q
What is the measurement scale range and accuracy of this pressure instrument?
The instrument covers a scale range of -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 applications. The transmitter achieves a pressure accuracy of ±0.5%FS and a temperature accuracy of ±1℃.
Q
What is the degree of protection and what environmental conditions can this instrument withstand?
The instrument carries an IP65 protection rating, guarding against dust ingress and water jets. It is designed to operate reliably in ambient temperatures ranging from -30℃ to +60℃ with a relative humidity of up to ≤ 95%RH, making it suitable for demanding outdoor and industrial environments.
Q
What EMC standards does the remote module comply with?
The remote module has been tested and complies with multiple IEC61000-4 EMC standards, including 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), and IEC61000-4-8/9/10 (Level 5). These certifications ensure robust electromagnetic compatibility in industrial settings.
Q
What are the process connection and installation options available?
The standard process connection is M20×1.5, which is also customizable to meet specific application requirements. Installation can be performed in either radial or axial orientation, providing flexibility for various mounting configurations in the field.