Four Gas Analyzer

Model: Four Gas Description Autochek Model 4/ 5 is a portable automobile exhaust gas analyzer that uses single beam, non dispersive infrared( NDIR) determine CO, CO2 and HC concentration, O2 and NOx are detected by electro-chemical sensors. Autocheck 4/ 5 also calculates LAMBDA and AFR ( Air Fuel Ratio) and exceeds the performance requirements of ASM/ BAR 97 and OIML Class 1& 0. The Korean government Approved No.OEC-Lamda-2000-2, Patent pending Specifications Autocheck 4/ 5 meet BAR97 and OIML Class 1& 0 performance requirement. Heavy duty and high accuracy analyzer. Read continuous measurement either in service garage or in vehicle under load. Complete stand alone unit, no additional equipment required for operation. Large LCD display with backlight and touch-keypad operation. Automatic zero calibration and semi automatic span calibration. Rugged aluminum case. Self -diagnostic. Data management ( save, edit, delete) . Maximum accuracy, high performance and operational stability promoted by microprocessor control and automatic programs. Communication with personal computer ( RS-232) . Internal thermal printer( option) . Engine temperature & RPM check kit( option) . NOx sensor( option) , PC software( option) . Sample gas cooler for long lasting & high RPM testing( option) . Range HC: 0~ 30, 000ppm( hexane) 0~ 60, 000ppm( propane) CO: 0~ 15% CO2: 0~ 20.00% O2: 0~ 25% CO2 : 0~ 20.00% NOx: 0~ 5, 000ppm Lambda: 0.5~ 3.0 AFR: 5~ 25 Accuracy HC, CO, CO2, O2 : 3% rel Nox : 4% rel Response time HC, CO, CO2: less than 8 seconds O2, NOx: less than 12 seconds Warm-up time Less than 20 seconds Operating environment Temperature: 0~ 50° C Humidity: Up to 95% ( non-condensing) Altitude : -300~ 2, 500m( -1, 000~ 8, 000ft) Power: 90~ 264VAC, 43~ 63Hz or 12VDC Warranty: 1 year