Official Circular Letter

Dear [#-CONTACT_NM-#]

We, SENKO, are a manufacturer of gas sensors and detectors. SENKO comes from the two words, "Sensor" and "Korea". Like our name, we represent the sensor technology of Korea. With our own sensor technology, we develop and produce products such as gas sensors, portable gas detector, and fixed gas detector. Our products help to protect workers from industrial accidents such as oxygen deficiency and toxic gases. Since our establishment in 2004, we have been trying to improve our products and will keep doing our best for the safety of our users.

Sensor Specification

Model	SS1118	SS2118	SS2128	SS2178	SS2198	IR sensor
Detecting Gas	O2	O2	CO	H2	H2S	HC, CO2
Nominal Range	0~100%	0~30%	0~2,000ppm	0~1,000ppm	0~100ppm	Depends on the gas
Operating Life	<2yrs	<2yrs	<2yrs	<2yrs	<2yrs
Resolution	0.1%	0.1%	0.5ppm	2ppm	<0.1ppm