Product Advantages

 1. Employ original imported high-precision sensor.

 2. Four random gas sensors can be combined freely.

 3. LCD dot matrix display,

 4. Chinese and English operation.

 5. The gas concentration unit PPM and mg/m3 can be shifted quickly.

 6. The battery and voltage can be checked by one press.

 7. One press to restore factory settings.Ultra-high buzzer alarm sound, alarm with sound, light and vibration at the same time.

 8. Can record 100 sets alarm data, alarm record can b e checked on the device.

 9. Data storage function, can record 100 thousand set data, historical data can be viewed on the device (optional function).

 10. Rechargeable lithium polymer battery of large capacity, which ensure the device to work continuously for a long time.

 11. Strong and upscale alligator clip, convenient to take along during operation.

 12. Special engineering plastics housing of high intensity, strong and durable, exquisite and comfortable in touching.

 Specification

                Gas Detected

       4 to 1 gas detection device(O2 H2S CO EX)

               Detection principle

       Electrochemistry and catalytic combustion

               Sampling Method

       defusion

               Measure Range

       CO: 0-1000ppm, H2S: 0-100ppm, O2: 0- 30%VOL, EX: 0-100%LEL

               Resolution

       CO: 1ppm, H2S: 0.1ppm, O2: 0.1%VOL, EX: 1%LEL

               Precision

       ≤± 2% -5% F.S.

               Data recording

       Storage capacity of over one hundred thousand sets.

 Interval time ranges from 10-3600seconds are settable.(Optional function)

               Response Time

       ≤10S

       Recovery Time

       ≤10S

               Repeatability

       ≤±1%

       Linearity error

       ≤±1%

               Zero shift

       ≤±1%(F.S/year)

       Display 

       Monochrome dot matrix display

               Operating language

       Chinese/English

       Gas unit

       ppm, mg/m3,%VOL,%LEL

               Temperature

       -20℃~50℃

       Humidity

       0-95%RH

               Explosion-Proof

       ExiaⅡCT3   

       Degree of protection

       IP65

               Alarm mode

       Sound, light, vibration

       Operating time

       14 hour continuously

               Dimensions

       131*83*35mm

       Weight

       240g

               Charger

       Travel charger with USB

       Charging time

       4-6 hours