SP70B Spirometer

Functions

• Forced Vital Capacity (FVC), forced expiratory volume in onesecond (FEV1) to forced vital capacity (FVC) ratio (FEV1/FVC),peak expiratory flow (PEF), forced expiratory flow at 25 % of FVC(FEF25), forced expiratory flow at 50 % of FVC (FEF50), forced ex-piratory flow at 75 % of FVC (FEF75) and forced expiratory flowfrom 25 % ~ 75 % of FVC (FEF2575) can be measured.

• The personnel information (including height, age, sex, etc.) canbe set.

• Flow - volume chart, volume - time chart display.

• The data can be stored, deleted, uploaded and reviewed.

• Trend chart display.

• Health state indication.

• Calibration function.

• Over limit prompt function for volume and flow.

• Bluetooth transmission.

• Real-time clock can be set and displayed.

• Battery power indication.

• Automatic shutdown when there is no operation within two minutes.

Performance

Display mode: 2.4" LCD

Volume range: 0~10L

Volume accuracy: + 3% or + 0.05 L (whichever is greater)

Flow range: 0L/s ~16 L/s

Flow accuracy: I 5 % or I 0.2 L/s (whichever is greater)

Working current: 200 mA

Power supply: two AAA batteries

Safety class: internally powered equipment, type BF applied part

Accessories

One User Manual

One mouthpiece (disposable accessory)

One nose clip (optional)

Physical characteristic

Dimension: 138 mm (L) × 63 mm (W) × 47 mm (H)

Weight: 150 g (including battery)