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Portable Detector
Portable Gas Detector Pen Shield JLY-50A Series
Special Functions
Powered by 3V batteries (two AA batteries)
The sensor unit is equipped with built-in temperature compensation and calibration coefficients, featuring high precision and good linearity
Point; It can provide outstanding stability and response recovery speed
The LCD displays the measured value of gas concentration, accompanied by two-pole alarm co lor prompts
It is equipped with simple calibration, automatic verification and zeroing, as well as automatic compensation programs
Anti-radiation/electromagnetic interference, reducing false alarms
The buzzer alarm indicates two levels of concentration alarm
The LCD indicates that the battery status needs to be replaced
Miniaturized design, economical and practical, convenient for use and maintenance
Leak Detector Structure
The device mainly consists of components such as the casing, circuit board, battery, display screen, and sensors.
Working Principle
Catalytic combustion type.
| Measure gas | Flammable EX(calibrated with methane CH4) |
| Measurement range | 0~10000PPM |
| Preheating time | <1 minute |
| Response time | ≤30 seconds |
| Indication mode | LCD screen displays power supply, concentration, alarm information and sound alarm |
| Shell material | ABS |
| Explosion-proof mark | Exib IIB T3 Gb |
| Alarm threshold | Underreporting: approximately 2000PPM；High report: Approximately 4000PPM |
| Sensor lifespan | Five years |
| Sensor drift | Every half a year；Zero point <2%FS, sensitivity <3%FS |
| Working environment | -10~55°C; <95%RH |
| Battery voltage | DC 3V(two replaceable AA batteries) |
| Equipment size | 162*25*21mm |
| Standby time | About 2 hours |
| Equipment weight | About 38 grams |
Storage
The detector should be stored in a ventilated room with an ambient temperature of -10°C to 55°C and a relative humidity not exceeding 85%RH. The air should not contain harmful gases or impurities that could corrode the detector.
Accessories and Others
One combustible gas leak detector;
Two No. 7 batteries;
One instruction manual.
Appendix (Custom instruments can be configured to detect gases listed in the table below)
| Detecting gas | Normal range | Selectable range | Resolution | Low alarm | High alarm |
| Oxygen | 0-30%VOL | 0-30%VOL | 0.1%VOL | 19.5 | 23.5 |
| Methane | 0-4%VOL | 0-4%VOL | 0.01%VOL | 1 | 2.5 |
| Carbon monoxide | 0-1000PPM | 0-2000/5000PPM | 1PPM | 50 | 200 |
| Hydrogen sulfide | 0-100PPM | 0-50/200/1000PPM | 1/0.1PPM | 10 | 20 |
| Flammable gas | 0-100%LEL | 0-100%LEL | 1%LEL | 20 | 50 |
| Ammonia | 0-100PPM | 0-50/500/1000PPM | 1/0.1PPM | 20 | 50 |
| Hydrogen gas | 0-1000PPM | 0-40000PPM | 1/0.1PPM | 200 | 500 |
| Chlorine gas | 0-20PPM | 0-100/150PPM | 1/0.1PPM | 5 | 10 |
| Hydrogen chloride | 0-20PPM | 0-20/150PPM | 1/0.1PPM | 5 | 10 |
| Sulfur dioxide | 0-20PPM | 0-50/100PPM | 1/0.1PPM | 5 | 10 |
| Nitric oxide | 0-250PPM | 0-500/1000PPM | 1/0.1PPM | 20 | 125 |
| Phosphine | 0-20PPM | 0-20PPM | 1PPM | 5 | 10 |
| Hydrogen cyanide | 0-20PPM | 0-20PPM | 1PPM | 10 | 25 |
| Acetylene | 0-100PPM | 0-100PPM | 1PPM | 20 | 50 |
| Ethylene oxide | 0-100PPM | 0-100PPM | 1PPM | 20 | 50 |
| Ozone | 0-100PPM | 0-20/100PPM | 0.1PPM | 20 | 50 |
| Formaldehyde | 0-40PPM | 0-50/100PPM | 1/0.1PPM | 8 | 20 |
| Benzene | 0-1000PPM | 0-1000PPM | 1PPM | 200 | 500 |
| Toluene | 0-1000PPM | 0-1000PPM | 1PPM | 200 | 500 |
| Xylene | 0-1000PPM | 0-1000PPM | 1PPM | 200 | 500 |
| VOC | 0-1000PPM | 0-1000PPM | 1PPM | 200 | 500 |
| Vinyl chloride | 0-250PPM | 0-250PPM | 1PPM | 50 | 125 |
| Methanol. | 0-30PPM | 0-30PPM | 1PPM | 6 | 15 |
| Isobutene | 0-90PPM | 0-90PPM | 1PPM | 18 | 45 |
| Ethanol | 0-80PPM | 0-80PPM | 1PPM | 16 | 40 |
Note: The detection range of customized instruments is subject to the actual instruments delivered. For gases not listed, please contact the manufacturer.