KORNO GT903-F4（CO、H2S、O2、EX） and SMART SENSOR ST8900 compare

Model selection comparator If you have any questions, please click below Service	KORNO GT903-F4（CO、H2S、O2、EX） Portable four-in-one Detector In coming China Detail	SMART SENSOR ST8900 Gas Detector 1038.0 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	Pump	Diffusion Pump

Type

Portable

Number of Gases

Various gases

Sensors

Electrochemistry Catalytic combustion

Electrochemistry

Gases

H2S CO O2 Ex

Sampling Mode

Pump

Diffusion Pump

Detect gas

CO、H2S、O2、EX

Range

0~100ppm，0~1000ppm、0~30%vol、0~100%LEL

resolution

0.01ppm，0.1ppm，0.01%vol，0.01%vol

Humidity

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

Sampling method

Pump suction

detection Accuracy

≤±3%

Linearity

≤±1%

Response time

T90≤20s

moment

Zero drift

≤ +/- 1% (F. S/year)

recovery time

≤20s

Repeatability

≤±1%

Data storage

Real-time storage and timed storage can be set; a single channel can store 30,800 sets of data

Explosion-proof sign

Ex ia ⅡC T4 Ga

Shell material

ABS+PC

Protection level

IP65

Operating temperature

-30~60℃

Environmental humidity

0~95% RH non-condensing

Operating Pressure

-30Kpa~200Kpa

Power Supply

4000mA rechargeable polymer battery

Dimension

180*85*55mm

execution standard

GB3836.1-2010、GB3836.4-2010

Friendly reminder: This page is a comparison of KORNO GT903-F4（CO、H2S、O2、EX）,SMART SENSOR ST8900.NBCLab only provides you with the similarities and differences of the product in the model and specifications.

For more information about KORNO GT903-F4（CO、H2S、O2、EX）,SMART SENSOR ST8900similarities and differences, please refer to the NBCLab product details.