supply, installation and commissioning of portable biogas analyzer supply, installation and commissioning of portable biogas analyzer , supply, installation and commissioning of portable biogas analyzer , portable biogas analyzer • type: portable type gas analyzer gases to be measured : ch4 , co2 , nh3 , o2 , h2s ch4 measurement range : 0-100%; typical accuracy: 0-70% = ±0.5% ( vol ) ; 70-100% = ±1.5% co2 measurement range : 0-100%; typical accuracy: 0-60% = ±0.5% ( vol ) ; 70-100% = ±1.5% o2 measurement range : 0-25%; typical accuracy: ±1.0% ( vol ) nh3 measurement range : 0-1000 ppm; typical accuracy: ±10.0% fs h2s measurement range : 0-10, 000 ppm; typical accuracy: ±5.0% fs power supply: - battery type: rechargeable nickel metal hydride battery pack - battery life: atleast 7-8 hours after fully charging - battery charger: separate charger required with charging time of less than 4-5 hours from complete discharge operating temperature range: -10°c to +50°c atmospheric pressure range: 700-1200 mbar relative humidity: 0-95% non-condensing case seal: ip65 case material: abs / polypropylene with rubber over-moulding keys: alpha-numeric keypad with tactile membrane display: ultra-clear high resolution 4.3 full colour tft connections: colour coded gas inlet, pressure and outlet ports. waterproof usb port, anemometer and charger / temperature probe connections. gas sample filters: external user changeable 2.0?m ptfe water traps sensor: ch4 & co2 - by dual wavelength infrared sensor with reference channel ; o2 / h2s / nh3 : by internal electrochemical cell , packing & forwarding, insurance and transportation charges , installation and training charges