supply of portable matabolic measerment system , portable matabolic measurment system , specifications:a portable metabolic measurement system suitable for outdoor operation ( especially for agricultural operation ) with the facility of breath by breath measurement of submaximal vo2, vo2 max, , hr, whr, rhr, eer, aerobic threshold, oxygen sensor, gfc gas analyzer with a range of 0-25 %, flow meter with flow rate up to 16 lpm, nutritional assessment resting energy expenditure ( ree, rmr ) with mouthpiece or face mask, weight management program ( energy balance ) , diet planner, standardized measurements ( whr, bp, rhr, etc ) thermal paper, hr belt, lcd display, data export, compatible software for data analysis, weight management program, bidirectional digital turbine, masks, harness, calibration kit, calibration gas cylinder, 3 litre calibration syringe, o2 sensor replacement kit, sampling line, computer interface ( usb-a, usb-b, rs-232, hr-ttl ) , rechargeable li-ion, 7.4v, 2600 mah or more, battery backup not less than 3 hours of continuous use with charger, data storage, language: english. accessories: filter: single use with oval mouthpiece and round mouthpiece 50 each. nose clips 25, thermal paper roll minimum 10, face masks all size, head cape, o2 sensor two. other terms and conditions: as per tender documents.