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Mechanical SF6 Gas Density Relay
Mechanical SF6 Gas Density Relay
Application areas: GIS and SF6 gas insulated circuit breaker leakage detection in the power industry
| Item | Details |
|---|---|
| Product Name | Mechanical Density Relay |
| Measuring Range | (-0.1~+0.9)MPa |
| Measuring Accuracy | a) At 20℃: Grade 1.0 b) In the temperature range of (-30~+60)℃: Grade 2.5 |
| Protection Level | IP65 |
| Interface Dimensions | M20*1.5, G3/8, G1/2 (Customizable) |
This device uses a German-originally imported SF6 density relay. This Mechanical SF6 Gas Density Relay is a mechanical indicating density relay, which can display the gas density on-site. When the density value reaches the set value, it will perform corresponding actions by outputting switching quantity signals. On the basis of the mechanical indication, a real-time remote transmission function has been added, which can remotely monitor the SF6 gas density and micro-water data, realizing the function of online remote monitoring. After a large number of application tests, the device is stable and reliable in operation, accurate in measurement, and can meet the on-site working requirements.
Functional Features
The mechanical density meter is originally imported from Germany.
It has the function of real-time remote transmission of SF6 density data and micro-water data.
It is equipped with a temperature compensation device to ensure measurement accuracy.
The meter case is made of AISI 304 stainless steel.
The gas circuit connection components are made of AISI 316 stainless steel.
The Mechanical SF6 Gas Density Relay has good electromagnetic compatibility.
The on-site display value and output signal are not affected by external environments such as altitude.
Equipment Parameters
| Parameter Name | Parameter Value |
|---|---|
| Measuring Range | (-0.1~+0.9)MPa |
| Measuring Accuracy | a) At 20℃: Grade 1.0 b) In the temperature range of (-30~+60)℃: Grade 2.5 |
| Alarm and Lockout Pressure | Customized |
| Leakage Rate | ≤10⁻⁹mbar.l/s |
| Protection Level | IP65 |
| Interface Dimensions | M20*1.5, G3/8, G1/2 (Customizable) |
| Installation Method | Radial or Axial |
| Contact Type | Magnetic-assisted Electric Contact Switch |
| Electrical Parameters of Contacts | Umax = 250V, Pmax = 30W/50VA |
| Remote Transmission Data | RS-485 Bus with Modbus RTU Protocol |
| Pressure Error | <0.75%FS, within the temperature range of (-40~+70)℃ |
| Temperature Error | ±1℃ |
| Diameter of Sensor Housing | 100mm |
| Operating Voltage | 24V±1VDC |
| Operating Temperature | (-40~+70)℃ |
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