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Месяц | Минимальная цена | Макс. стоимость |
---|---|---|
Sep-17-2025 | 0.43 $* | 0.8 $* |
Aug-17-2025 | 0.4 $* | 0.56 $* |
Jul-17-2025 | 0.41 $* | 0.17 $* |
Jun-17-2025 | 0.35 $* | 0.91 $* |
May-17-2025 | 0.89 $* | 0.83 $* |
Apr-17-2025 | 0.67 $* | 0.78 $* |
Mar-17-2025 | 0.97 $* | 0.41 $* |
Feb-17-2025 | 0.1 $* | 0.50 $* |
Jan-17-2025 | 0.42 $* | 0.45 $* |
The RA-SA99 Portable Spirometer can be used to measure vital capacity (VC), forced vital capacity (FVC), Maximum Ventilatory Volume (MVV). Measurement algorithm refers to the ITS, ERS standards of the American Thoracic Society (ATS).
1. Can display all parameters on the 5.7" 320×240 dots LCD screen, and store 300 copies of measurement report.
2. Soft-touch keys, easy to maintain, Small size, light weight and easy to carry
3. Built-in precise 110mm thermal printer
3. Can be connected to PC station through USB socket, completing a pulmonary function test directly with work station, also thousands of measurement records can be stored.
4. PC workstations support the measurement and comparison functions before and after taking medicine.
5. High-precision differential pressure flow sensor
6. Measurement of breathing time: VC time 50 seconds, FVC measuring time 25 seconds, MVV time 12 seconds, in favor of the coordination between patients and the device.
7. The instrument can calibrate automatically, all English operation, more convenient to operate.
TECHNICAL PARAMETERS | ||||
Display screen | Diagonal line 5.7inches, Monochrome LCD, Resolution 320*240 | |||
Measurement means | Flow velocity detection | pressure gradient pneumatic flow sensor | ||
Capacity detection | flow velocity integral | |||
Measuring range | Capacity range | 0L ~ 9L | ||
Flow velocity range | 0 ~ 14L/s | |||
Measurement accuracy | Capacity | 0L ~ 1.6L (±50ml), 6L ~ 9L (±3%) | ||
Flow rate | 5% or 0.2L/s | |||
Respiratory rate | 4/20~/min (±1/min), 20/60/min (error: ± 5%) | |||
Measuring time limit and degree | Vital capacity | every 50s, measuring 3 | ||
FVC | per second, 25s, measuring 3 | |||
The maximum ventilation volume | every 12 seconds, measuring 3 | |||
Paper recorder | Method | dot matrix | ||
Level Resolution Ration | 8 d/mm (speed 25mm/s) | |||
Uprightness Resolution Ration | 8 d/mm | |||
Wave Channels | 1 | |||
Paper Width | 110mm(1.97inches) | |||
Paper Length | 15m(100inches) | |||
Formfeed Speed | 12.5, 25 and 50mm/s (±2%) | |||
Control | UTILITY KEY, SVC KEY, FVC KEY, MVV KEY, PRINT KEY, 10WORDS KEY, START KEY, STOP KEY | |||
Light alarm | ||||
Power supply | AC | 100V ~ 240V | ||
DC | rechargeable Nickel-metal hydride (NI-MH), 14.4-volt, 1.8 amp hour | |||
Fuse | 100V~240V AC: F2A250V, 5*20mm | |||
Safety classification | IEC60601-1 class I, type CF |
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