Tender Document - Pollution Control Board, Assam

Item Code No.: 12CO-HC ANALYZER (EXHAUST)01. Measuring method : Non Dispersive Infrared (NDIR) method02. Measurable components : Carbon monoxides (CO) andHydrocarbons (HC) in Automobileexhaust gases & facility formeasurement of No is preferable03. Measuring range : CO 0-5% and O-10%HC 0-500 ppm, 0-2000 ppm, and 0-10,000 ppm (as normal hexane)04. Reproducibility : Within 1% of full scale05. Stability : Within 1% of full scale / hour atconstant temperature06. Instrument deviation : Within 1% of full scale07. Accuracy for range selection : CO measurement within 1% of fullscaleHC measurement within 2% of fullscale08. Accuracy : Within 2% of scale at constanttemperature09. Response time : 90% response within 10 second with 5meter sampling line10. Drift : Zero & span drift ± 3% FS (3 Hr0 orless11. Calibration : By span gas. Built in calibration check12. Accuracy of span : Within ± 1-2% of the concentrationstated13. Warming up time : Within 30 minutes14. Interference effect from other gas : Less than 0.2 unit15. Ambient Conditions(a) Temperature(b) Humidity: 0-50 o CLess than 95% R.H.16. Display : Bright LED / LCD17. Printer : Built in or separate18. Power supply : 220 ± 10 V AC; 50 Hz ± 3%19. Accessories : For two years: filter paper for fine andcourse particles (two packets of 100each), calibration gas (two Cylinders),spares and consumable.20. Should have facility to transfer data to PC22