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65 impact resistance gas density gauge monitor

  • 65 impact resistance gas density gauge monitor
  • 65 impact resistance gas density gauge monitor
  • 65 impact resistance gas density gauge monitor
  • 65 impact resistance gas density gauge monitor

65 impact resistance gas density gauge monitor

    Packaging: carton
    Productivity: 300 millions
    Brand: WXKF
    Transportation: Ocean,Land,Air,Express,Express
    Place of Origin: China
    Certificate: ISO9001
    HS Code: 9026209090
    Port: Shanghai Port

Basic Info

Model No.: Sf6 Gas Density Meter

Product Description

KMJ SF6 Gas Density Relay

It is applicable for monitoring the SF6 gas density in a sealed vessel. It can show gas density values on the site. When the gas density reaches the preset value, the contact-making device will send alarm and control signals. It can be widely used in electric equipment including SF6-insulated composite apparatus, circuit breakers, pole-mounted switches, transformers and mutual inductors. It provides solutions for new construction of Transformer substations and inteligent reconstruction of existing transformer substations.

Main Technical Data
Working environment:
-30℃~60℃, relative humidity:≤95% PH
lngress Protection
IP 65
Vibration resistance in working environment
class 1 (general); class 2 (shockproof)
lmpact class
30g(general); 50g (shockproof)
Leakage ratio
≤1x10-9 Pa.m3/s (helium leak detection)
Contact type
magnetic aid electric contact switch
80%silver, 20%nickel, 10µm gold plated
Electric parameters of the contact
AC: 30VA 380V 1.0A DC: 30W 220V 1.0A
lnsulation performance insulating resistance
100MΩ (500VDC)
Power-frequency withstand voltage
2000V 45/60HZ.1 min

Working Mechanism

We take the SF6 gas pressure value under 20C as the representative value of its density and also as the scale value. When the ambient temperature changes, the temperature compensation elements will compensate for the gas pressure change caused by the temperature change. Therefore, as long as the SF6 gas density remains unchanged, the indication value of the density meter will keep the same .

When SF6 gas is filled into the sealed vessel or the gas changes, pressure sensing elements will make displacement which is converted into the indication value through the drive mechanism. When the ambient temperature change induces the indication value change, the temperature compensation elements will make compensation and correction.

KMJZ SF6 Gas Auto Calibration Density Relay

The product is applicable for monitoring the density of SF6 gas in sealed vessels. It can display gas density value on the site.

When the gas density reaches the preset value, the contact-making device will send an alarm and control signals. Gas fl, micro-water test and calibration can be implemented without removal of the SF6 gas density relay so as to prevent unnecessary leak of SF6 gas during these procedures. It can be widely used for composite apparatus, circuit breakers, pole-mounted switches, transformers, mutual inductors and Other electric equipment. It provides solutions for new construction of transformer substations and intelligent reconstruction of existing transformer substations.

Product Features

1. Electric contact switch design realizes accurate and reliable SF6 gas monitoring functions.

2. With temperature compensation, the compensation performance is stable and the detection precision is high.

3. On-site display values and output contact signals are not affected by external conditions including the altitude and ambient temperature change.

4. Core elements are made of imported materials with high precision.

5. Good shockproof performance.

6. There are three contact groups at most, which can realize several options including overpressure alarm, double alarm or double lock and make the monitoring safer and more reliable.

7.Gas fill, micro-water test and calibration can be implemented without removal of the SF6 gas density relay, making it easy for on-site staff to conduct micro-water test and gas supplementand avoiding the seal face and seal ring damage arising from removal.

8.304 stainless steel is adopted for the sealed case, which prevents both moisture and corrosion.

Company Profile


wuxi kaifeng pressure gauge co., ltd

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Wuxi Kaifeng Pressure Gauges , Co ., Ltd ., founded in 2004 , is a company specialized in the pressure gauge scale production . It is located in the developed Yangtze River Delta in China beside the scenic Taihu Lake . Since its establishment , Kaifeng has been continuously expanding its size , increasing equipment , improving testing methods and introducing new technology and new process . It has now become a manufacturer focused on the production of mid-and high-end pressure gauges.

We mainly provide supporting products for the firefighting system , life saving equipment , machine manufacture equipment , metallurgical , chemical , oil , food , medical , water treatment and hydraulic systems . The products include : shockproof pressure gauges , stainless steel pressure gauges ,shockproof electric contact pressure gauges , firefighting pressure gauges , luminous pressure gauges ,dual pointer shockproof pressure gauges , pressure gauges for ships , differential pressure gauges ,diaphragm pressure gauges , capsule pressure gauges , CNG pressure gauges , WSS bimetallic thermometer gauges , drilling pressure gauges , refrigerant pressure gauges , big head shockproof pressure gauges , precision pressure gauges , pressure measuring boxes as well as speclal pressuregauges tailored to customer requirements.

With enterprise scale on continuous expansion , we are making great efforts to improve management levels , enhance product quality to meet the customer needs . The company passed ISO9001 certification in 2008 and ECE certification in 2015.

Over the past years , all employees of the company , from top to bottom , have been working hard together . As a result , the company has seen considerable development with greater overall strength and development potential . In future , we will stick to the guiding philosophy of " Only developmentis the cardinal principle " as usual , maintain the mature manufacture process and honest operation guided by advanced development concepts and make more innovations and developments in teamwork spirit . We will cut through wind and waves of the fierce market competition on the way towards building up the company into the No.1 brand of China's pressure gauge.

Company Info

  • Company Name: wuxi kaifeng pressure gauge co., ltd
  • Representative: jili jin
  • Product/Service: pressure gauge , mamometer , Thermometer Gauge , SF6 density monitor , SF6 density meter , Differential Pressure Level Gauge
  • Capital (Million US $): 10,500,000RMB
  • Year Established: 2004
  • Total Annual Sales Volume (Million US $): US$5 Million - US$10 Million
  • Export Percentage: 11% - 20%
  • Total Annual Purchase Volume (Million US $): US$2.5 Million - US$5 Million
  • No. of Production Lines: 3
  • No. of R&D Staff: Fewer than 5 People
  • No. of QC Staff: 5 -10 People
  • OEM Services Provided: yes
  • Factory Size (Sq.meters): 3,000-5,000 square meters
  • Factory Location: 28-11 huibei road ,wuxi city,jiangsu province
  • Contact Person: Ms. cindy
  • Tel: +86-0510-83706687
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