Product Features: Fast: 1 minute per test Accurate: cartridge carrying calibration solutions Safe: disposable test cartridge, no risk of cross-contamination Long shelf-life: 365 days stored in refrigerator Convenient: instant use without the need to restore to room temperature Maintenance free Cartridge with RFID Software remote update LIS/HIS connection Sample type: Arterial, venous, capillary blood Minimum sample volume: 20 μl Intended use in various healthcare settings: Emergency department, operation room, ICU room, NICU room in large hospitals, medium and small sized hospitals, clinics and ambulance. Cartridges and test items： BG3：pH PCO2 PO2 Hct BE3 ：K+ Na+ iCa Hct BG7： pH PCO2 PO2 K+ Na+ iCa Hct