Pulse Oximeter With Color LCD Display-50D (You can choose one from the following) Technical Parameters  � Display Format: LCD � Back light: LED � SPO2:35-99% � Pulse Ratio:30-250 BPM � Pulse Wave: LCD Graphic Display � Battery Voltage Low Indication: LCD signals. � Power Requirements: Two AA size 1.5V Alkali Battery; � Power Consumption: less than 20 mA. � Resolution: �1% for SPO2 and �1 BPM for Pulse Ratio. � Measurement Accuracy: �2% in stage of 70%-99% SPO2 and meaningless when stage being smaller than 70%. �2BPM for Pulse Ratio. � Measurement Performance in Weak Filling Condition : Oxyhemoglobin and pulse #118alue can be shown correctly when pulse-filling ratio is 0.4%. � Interference Resistance Capacity against Ambient Light : Deviation is smaller than �1% between #118alue of Oxyhemoglobin measured in natural lighting indoor condition and present lighting sources and that measured in dark room. � It is equipped with a function switch, hrough which the Oximeter can be automatically powered off when no finger is in the Oximeter more than 8 seconds. - The patented product (already passes attestation of European Union`s CE, American FCC .)
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