SF6 micro water density transmitter
No emissions, environmental protection, economy, safety and reliability
Online monitoring of SF6 circuit breakers or combined electrical appliances such as micro water, density, temperature and other parameters
Realize micro-water pressure and temperature compensation, density temperature compensation, make micro-water and density data true and reliable
Adopt sensors with a variety of patented technologies and self-calibration functions
The acquisition unit can be put into operation and exit without affecting the state of the main equipment, and does not affect the normal operation of the main equipment
The internal circulation technology is used inside the acquisition unit to greatly improve the sampling accuracy
On-site large-screen LCD display, drawing trend graphs, real-time uploading
Built-in density relay passive output, movable point value of blocking/alarm/overpressure can be set
Fully enclosed design, waterproof and dustproof, anti-high frequency interference, suitable for indoor and outdoor
A variety of valve joints, easy to install and disassemble, saving maintenance costs
Measuring range: 20～1000ppm
Measurement accuracy: ± 3% F.S.
Alarm threshold: 50~500ppm (adjustable)
Measuring range: 0.01～1.00 MPa
Measurement accuracy: ±0.5% F.S.
Alarm threshold: 0.45 MPa (adjustable)
Locking threshold: 0.40 MPa (adjustable)
Temperature measurement range: -50 ℃～+99 ℃
Temperature measurement accuracy: ± 1℃
Alarm contact capacity: AC 220V/7A, normally open, normally closed
Communication interface: isolated RS-485
Power supply voltage: 24VDC or 85V～265V AC
Working environment: temperature: -30 ℃～+65 ℃
Humidity: ≤95%RH
Insulation performance: between shell and power supply: >10MΩ
Dielectric strength: between shell and power supply: >2000V
EMC characteristics: fast transient pulse group
GB/T17626.4-1999 Level 3
Lightning strike (surge): GB/T17626.5-1999 Level 3
