Oceanus OC-904A 便携式CH2O气体检测仪 (CH2O: 0-1000ppm)

Gas type: Formaldehyde (CH2O)

Working principle： Electrochemical sensor

Testing mode： Diffusion sampling.

Display mode： TFT LCD display

Concentration Unit： Ppm and mg/m3

Measuring range： 0-10ppm, 100ppm, 200ppm, 1000ppm or customized

Resolution： 0.1ppm, 1ppm or customized

Precision： ≤±3%FS

Alarm mode： Audible-visual alarm，Vibration alarm，Voice≥75dB@25cm

Preheat time： ≤90s

Response time： T90≤30s

Recovery time： ≤20s

Explosion proof grade： Ex ib IIB T3

Protection grade： IP64

Output signal： Wireless transmission and print function（Optional）

Body material： PC+TPU

Working temperature： -20℃～+50℃（or customized）

Working humidity： ≤95%RH，(non-condensing)

Charger： USB port

Working voltage： 3.7V rechargeable lithium battery

Charging time： ≤6 hours

Working time： ＞8hours continuously （When normal temperature and no alarm）

Power consumption： <0.7W

Working pressure： 86～106KPa

Dimension： 119.6x60x44mm(L*W*H)

Weight： About 182g

Standards： GB3836.1-2010，GB3836.2-2010，GB3836.4-2010，MT 704-2008, MT 703-2008,MT 1084-2008,GB 15322.3-2003

Accessory: Box, instruction, USB charger , data line, calibration cap.

Option: For other measuring ranges please see datasheet or Contact us to customize the suitable one.