Automatic calibration Audible and visible alarms Three working mode: rate/time/volume With ultrasonic sensor for drop-counting Lcd, night operable English or other language display Specifications Drop detector: outside caliper rotary detector. (patented technology) Control way: Drop counting and adjusting the delivery rate automatically Pump type: peristaltic finger Applicable iv sets: Compatible with iv sets of any standard (including lucifugal iv sets) Accuracy: ín25drop/min: ía2%, >25drop/min: ía3% (with the drop counting control mode) ía5% (with the rate control mode after the correct calibration) Delivery rate range: 1í½400drop/min(1drop/min step) 1.0ml/hí½1200ml/h (1.0ml/hí½99.9ml/h, 0.1ml/h step; >99.9ml/h, 1ml/h step) Delivery time range: 1miní½1999min (1 min step) Volume limit range: 0í½9999ml (1 ml step) Total volume range: 1í½9999ml (1 ml step) Rapid injection: 600ml/h Bolus: bolus rate 10-1200ml/hr, bolus volume: max of 100ml Kvo rate: When the delivery rate ín10ml/h, kvo is 1ml/h. Otherwise kvo is 3ml/h. Alarms: Air-in-line, infusion complete when limited volume has been set, empty container, occlusion, door is open, waiting time over, no drop been detected, operational errors, low battery, other device failures. Power supply: Ac power supply: ac 100 to 240vía10%ú¼50/60hzú+ Internal li battery: 11.1v, 2000mah. 6 hours of continuous operation on a new fully charged battery with the rate of 20 drops/min. Power consumption: ín25va Safety level: classó±, type cf Operating conditions: ambient temperature: 5 to 40íµíírelative humidity: 20 to 90% Storage conditions: ambient temperature: -10 to 55íµíírelative humidity: 10 to 90% Accessories: ac power line, operational manual Dimensions: 130mm(l)íß 200mm(w) íß 230mm(h) Net weight: approximately. 2.0kg