EYESKY ES20B-CH2O（0~10ppm） and Bosean BH-90-CH2O compare

Model selection comparator If you have any questions, please click below Service	EYESKY ES20B-CH2O（0~10ppm） Formaldehyde Detector In coming China Detail	Bosean BH-90-CH2O Gas Detector 999.0 RMB China Detail

Type	Portable	Portable
Number of Gases	Single gas	Single gas
Sensors	Electrochemistry	Electrochemistry
Gases	CH2O	CH2O
Sampling Mode	Pump	Diffusion

Type

Portable

Number of Gases

Single gas

Sensors

Electrochemistry

Gases

CH2O

Sampling Mode

Pump

Diffusion

Detect gas

Formaldehyde CH2O

Miscellaneous

Sensors principle

electrochemistry

Electrochemistry

Sampling method

Pump suction

DiffusionDiffusion

CH2O-range

0~10ppm

CH2O-resolution

0.01ppm

CH2O-Precision

±3%FS

CH2O - Repeatability

＜3%

Response time

T90 ≤30s

T<60s

Alarm mode

Sound and light alarm, two-color LED alarm light, sound ≥ 75dB@25cm

Operation mode

Key operation (key life up to 200,000 times)

main material

Full metal shell, strong wear and corrosion resistance, good feel

Operating temperature

-30~70 ℃ (conventional gas), -20~50 ℃ (toxic gas)

-20℃～50℃

Environmental humidity

10~90% RH non-condensing

Operating Pressure

86~106kPa

Power Supply

Built-in high-performance imported core lithium battery, nominal Voltage: 3.7VDC, 2500mAh

3.7V rechargeable lithium battery

Charging time

≤ 6 hours, fully charged for 12 hours

4h-6h

Operating Time

≥ 12h (at room temperature)

Dimension

135*65*35mm

Weight

About 0.46Kg

About 130g (excluding portable accessories)

Explosion-proof sign

Exd ib ⅡC T4 Gb

Exib IIB T3 Gb

Protection level

IP66

execution standard

GB15322.1-2003，GB3836.1-2010，GB3836.2-2010，GB3836.4-2010

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