KORNO GT-903-Y4(CO,H2S,O2,EX) and KORNO GT903-F4（CO、H2S、O2、EX） compare

Model selection comparator If you have any questions, please click below Service	KORNO GT-903-Y4(CO,H2S,O2,EX) Gas Detector 2450.0 RMB China Detail	KORNO GT903-F4（CO、H2S、O2、EX） Portable four-in-one Detector In coming China Detail

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

Type

Portable

Number of Gases

Various gases

Sensors

Electrochemistry Catalytic combustion

Gases

H2S CO O2 Ex

Sampling Mode

Pump

Detection gas

CO、H2S、O2、EX

range

0~1000ppm，0~100ppm、0~30%vol、0~100%LEL

resolution

0.1ppm，0.01ppm，0.01%vol

0.01ppm，0.1ppm，0.01%vol，0.01%vol

temperature and humidity

Optional accessories, temperature detection range: -40~120 ℃, humidity detection range: 0~100% RH

Sampling method

Pump suction

Detection Accuracy

≤±3%

linearity error

≤±1%

Response time

T90≤20s

Zero drift

≤±1%(F.S/年)

≤ +/- 1% (F. S/year)

recovery time

≤20s

Sexual repeability

≤±1%

data storage

Real-time storage and Timer storage can be set; single channel can store 30800 groups of data

Explosion-proof sign

Ex ia Ⅱ C T4 Ga

Ex ia ⅡC T4 Ga

Shell material

ABS+PC

Protection class

IP65

Operating Temperature

-30~60℃

Environment humidity

0~95% RH non-condensing

Operating Pressure

-30Kpa ~ 200Kpa

-30Kpa~200Kpa

Power

4000mA Rechargeable Polymer Battery

Dimensions

180*85*55mm

Execution standards

GB3836.1-2010、GB3836.4-2010

Friendly reminder: This page is a comparison of KORNO GT-903-Y4(CO,H2S,O2,EX),KORNO GT903-F4（CO、H2S、O2、EX）.NBCLab only provides you with the similarities and differences of the product in the model and specifications.

For more information about KORNO GT-903-Y4(CO,H2S,O2,EX),KORNO GT903-F4（CO、H2S、O2、EX）similarities and differences, please refer to the NBCLab product details.