Fingertip Oximeter--R4DS,R4i DS,M3 DS Real,M3i Zero,Acekard 2i,Xkey-wholesale-ipopdigi.com

Display Format: LCD

SPO2:35-99%

Pulse Ratio:30-255 BPM

Pulse Wave: LCD Numeric Display

Battery Voltage Low Indication: LCD Bar Graph.

Power Requirements: Two AAA size 1.5V Alkaline Batteries

Power Consumption: less than 15 mA.

Resolution: 1% for SPO2 and 1 BPM for Pulse Ratio.

Measurement Accuracy: ±

2% in stage of 70%-99% for SPO2.

Unspecified in stage of 35-69% for SPO2. ±

2BPM or ±

2%(Select Larger)for Pulse Ratio.

Measurement Performance in Low Perfusion: SPO2 and pulse rate can be shown correctly when pulse-perfusion ratio is 0.4%.

Interference Resistance Capacity against Ambient Light : Deviation is smaller than ±

1%.

It is equipped with a function switch, through which the Oximeter can be automatically powered off when no finger is in the Oximeter more than 4 seconds.