Specifications:
Sensor type: Catalytic sensor, fuel cell sensor, electrochemical sensor
Gas sampling: Diffuse naturally
Accuracy: < +/-3% F.S.
Response time: <30s
Working temperature:
Flammable gas: -40~70oC
Toxic gas: -20~50oC
Ingress protection: IP65
carton box and gift box, according to requirement
Brief Introduction:
MR-JL269 gas detector for industrial use has a high performance and wide detecting range. It can be used to detect methane, natural gases, propane, LPG, Hydrogen and other combustible gases and find the gas leaking point easily.
Features:
- Calibration-free on gas sensor
- Quick response to combustible gas leakage
- Long and flexible gooseneck tube
- Adjustable sensitivity
- 30-level LED / tricolor show
- Battery low voltage alert
- Sensor fault self test
Specifications
Sensor type£ºSemi-conductor gas sensor
Detecting gas£ºFlammable gases
Gas sampling£ºNatural diffusion
Response time£º¡Ü5S
Sensitivity£ºBetter than 50ppm
Working temperature.-10¡æ-55¡æ
Working humidity£º¡Ü93£¥RH
Storage temperature£º-30¡æ-60¡æ
Storage humidity£º¡Ü93£¥RH
Power supply£º3.6V Ni-MH 1600mAh rechargeable battery
Charging time£º4 to 6 hours
Continuous working time£ºNot less than 8 hours
£¨normal working status£©
Sensor life£º2 years
Dimension and weight£º180mm¡Á72mm¡Á35.5mm about 300g
carton box and gift box, according to requirement
Features:
- Natural diffusion sampling method and high-sensitivity sensor, with high sensitivity and repeatability
- 32-bit built-in MCU, high reliability and self-adaptation ability
- Full functions, easy operation
- CSTN colorful LCD, more intuitionistic, abundant and clear indication
- Compact design, easy carrying
- High strength engineering plastics and compound anti-slippery rubber; high strength, water-proof, dust-proof and explosion-proof
Spcification:
- Gas sampling method: Natural diffusion
- Gas sensor type: Catalytic and electrochemical
- Detecting gas: Combustible gas, H2S, CO, O2
- Accuracy: <= +/-5% F.S.
- Response Time: <=30s
- Indication: LCD displays real-time and system status;
- LED, audio and vibration alert for gas leakage, fault and low voltage
- Power Source: DC3.6V Li-on battery, 1800mAh
- Charging time: <= 6h
- Working time: >= 8h continuously (without alarming)
- Gas Sensor Life: 2 years
- Explosion-proof grade: Exibd IICT3
- Protection Grade: IP65
Application:
- Oil&Gas, Steel refinery Industry
- Coal Mine
- Communication, Chemical
- Underground Coal Mine, Pipeline, and Explosive area
carton box and gift box, according to requirement
M-ELL-SA External level switch is a non-contact level switch by using the Variable frequency ultrasonic technology, it is widely applied to all kinds of liquid level detection. The measuring probe is installed on the external wall of the container. And it belongs to a completely non-contact instrument which measure the level from outside of tank.
Working Principles of the External Level Switch
The measuring probe of the instrument can send the ultrasonic and detect the residual vibration signal in the wall of the container. The amplitude of the residual vibration signal will becomes smaller when the liquid is over the probe. A switch signal will be outputted after such change is detected by the instrument.
The Variable Frequency Ultrasonic Technology is invented by the DingHua and it is the world¡¯s leading ultrasonic signal change detection technology.
The main problem for the traditional ultrasonic level switch is that the ultrasonic signal can be interfered by the attachments from the tank wall and the amplitude of residual vibration signal can be changed by the drift of the temperature and time, thus the misinformation phenomenon is easy to appear. More owned the patent of self adaptive ultrasonic technology of variable amplitude variable frequency and it can effectively eliminate the interference and drift to test the changes of the signal correctly. So that it can be applied to a variety of complex site conditions, stable and reliable long-term work.
This product adopts the "micro vibration analysis" external sonar signal processing technology and leading manufacturing process, and ensure the reliability and durability of ELL-SA external variable frequency ultrasonic level switch.
Application
There is no need to open a hole on the tank wall to install the sensors when the ELL-SA series external level switch is installed. The instrument neither contact the liquid medium nor contact the gaseous medium in the container. Therefore, the installation is simple and quick, safe and secure. No need to clear the tank while repair and maintenance, no influence on the normal operating.
ELL-SA series external level switch is applicable to fixed-point liquid level measuring and alarm of all kinds of containers and liquid. It can be widely used in petrochemical, chemical, oil depots, oil, electricity, liquid storage, pharmaceutical and other industries. And it has a significant advantage in the pressure vessel, dangerous chemical liquids, flammable and combustible liquids and fixed-point liquid level measuring and alarm fields.
Product features
1¡¢Safety: the valves, communicating pipes, joints are not used in the measurement of poisonous, corrosion, pressure, easy to bums, volatile and leak liquid, and there is no leaks, no contact with the liquid and gas in the container, which is very safe. Even under the condition of instrument damage or repair, there will be no possibility for leakage, poisoning and explosion. (Measuring principle diagram)
2¡¢Easy installation and maintenance: There is no need for tank cleaning and open fire during the installation, no impact on production
3¡¢Durability and reliability: There is no mechanical moving parts in the sensor and instrument, strict sealing, isolation, will not wear or corrode.
4¡¢Widely applicable: It has nothing to do with the medium pressure, temperature, density, dielectric constant, viscosity, and presence of corrosion.
carton box and gift box, according to requirement
