DuoRui DR-850 and HuiRuiPu HRP-B1000-4 compare

Model selection comparator If you have any questions, please click below Service	DuoRui DR-850 Gas Detector In coming China Detail	HuiRuiPu HRP-B1000-4 Standard 4 in 1 Gas Detector 530.0 RMB China Detail

Type	Portable	Portable
Number of Gases	Various gases	Various gases
Sensors	Electrochemistry Catalytic combustion	Electrochemistry
Gases	H2S CO O2 Ex	H2S CO O2 Ex
Sampling Mode	Diffusion	Diffusion

Type

Portable

Number of Gases

Various gases

Sensors

Electrochemistry Catalytic combustion

Electrochemistry

Gases

H2S CO O2 Ex

Sampling Mode

Diffusion

Detect gas

CO、H2S、O2、EX

Error of indication

±5%FS

Sampling method

diffusion

Sensors principle

Catalytic combustion, electrochemistry

electrochemistry

Resolution

0.1%LEL（EX），1ppm（CO），0.1ppm（H2S），0.1%vol（O2）

1%LEL/0.1%vol/1ppm/0.1ppm

Response time

T90≤60s

T<30s

Shell material

Engineering Plastics

Operating temperature

-20~50℃

Environmental humidity

0~95% RH non-condensation

service life

2-3 years (depending on the environment)

display language

Chinese + Digital + Image

Dimensions

145*65*31mm

130*65*45mm

Operating Time

Fully charged sustainable work greater than 20h

Display

LCD screen

display content

Gas name, Measured value

Alarm mode

Sound, light, vibration

Explosion-proof sign

Ex d IIC T3Gb

Ex ib IIB T3 Gb

security certification

CMC

alarm point

High/low alarm point

Power Supply

Built-in lithium batteryRechargeable

Battery Specifications

3.7v/1600ma

Power Supply

Built-in lithium batteryRechargeable

Weight

260g

0.5kg

Operation mode

key

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