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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ZMJ60R Density Monitor - China Suppliers & Factory for Gas Density Monitoring in Medium Voltage Switchgear
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Technical Parameters for Remote Module
| Parameter | Value | EMC Class | Standard Level |
|---|---|---|---|
Operating voltage |
10~30VDC |
EMC Class |
IEC61000-4-2 : Level 4 IEC61000-4-3 : Level 3 IEC61000-4-4 : Level 4 IEC61000-4-5 : Level 3 IEC61000-4-6 : Level 3 IEC61000-4-8 : Level 5 |
Power consumption |
<0.5W |
||
Communication mode |
RS485 |
||
Communication protocol |
Modbus RTU |
||
Baud rate |
9600bps |
Technical Parameters
| Technical Parameters | |
|---|---|
| Case diameter | 64mm |
| Scale range | 0 ~ 2bar abs. (customizable) |
| Accuracy of indication | ±1.5%FS（+20±1℃) ; ±2.5%FS（-20℃~ +60℃）(gas) |
| Degree of protection | IP65 |
| Ambient condition | -20℃ ~ +60℃ relative humidity ≤ 95% |
| Leakage rate | ≤ 1 × 10-9 Pa·m³/s (Helium leakage inspection) |
| Process connection | M20 x 1.5 (customizable) |
| Installation mode | Radial or axial |
| Electrical connection | Pluggable connector, wire diameter 1 ~ 2.5 mm² (1.5mm² recommended) |
| Insulation property (contact part) |
Insulation resistance: >100MΩ (DC500V) Withstand voltage: 2kV, 50/60Hz, 1min |
| Contact type |
Magnetic snap-action contact (Up to 3 set of contacts, NO & NC) |
| Impact rating | 30 g |
| Contact electrical parameters |
Rated Power: 30VA Max switching voltage: 380V Max switching current: 1A |
| Weight | ≈ 0.9kg |
| Pressure element | Bourdon tube |
Frequently Asked Questions (FAQ)
Q
What is the operating voltage range for the remote module?
A
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?
A
The remote module uses RS485 communication mode with the Modbus RTU protocol at a baud rate of 9600bps, ensuring reliable and standardized industrial communication.
Q
What is the degree of protection and suitable ambient condition for this pressure gauge?
A
The pressure gauge carries an IP65 protection rating, meaning it is fully dust-tight and protected against low-pressure water jets. It is designed to operate in ambient temperatures from -20℃ to +60℃ with a relative humidity of ≤ 95%.
Q
Can the scale range and process connection be customized?
A
Yes. Both the scale range (default: 0~2bar abs.) and the process connection (default: M20×1.5) are customizable to meet specific application requirements. Please contact us with your specifications.
Q
What type of contact does the pressure gauge use, and what are its electrical parameters?
A
The pressure gauge uses a magnetic snap-action contact, supporting up to 3 sets of contacts (NO & NC). The contact electrical parameters are: Rated Power 30VA, Max switching voltage 380V, and Max switching current 1A.
Q
How is the leakage rate verified, and what EMC standards does the remote module comply with?
A
The leakage rate is verified through helium leakage inspection, with a result of ≤ 1×10⁻⁹ Pa·m³/s, ensuring excellent sealing performance. The remote module complies with multiple IEC61000-4 EMC standards, including Level 4 for IEC61000-4-2 and IEC61000-4-4, Level 3 for IEC61000-4-3, IEC61000-4-5, and IEC61000-4-6, and Level 5 for IEC61000-4-8.