Welch Allyn MicroTymp 3 portable tympanometric instrument - User Manual - Manual (Page 65)

Directions for use Specifications 65
Display resolution
0.1 mmho for Ya
0.2 cc for +200 Vea
Weight
Handle: 0.61 lb/0.28 kg
Printer/Charger: 3.98 lb/1.81 kg
Operating environment
Temperature: 15°C to 35°C
Relative Humidity: 10% to 90%
Barometric Pressure: 700 hPa to 1060 hPa
Storage environment
Temperature: -20°C to +49°C
Relative Humidity: 15% to 95%
Battery
3.7 V Lithium-ion rechargeable, 800 mAh capacity
All specifications are met over a battery voltage range of 3.1V to 4.2V.
Probe tips
Five color-coded sizes: Extra Small, Small, Medium, Large, Extra Large
Note No warm-up period is required if the instrument is stored in conditions consistent
with the operating environment.
Note Units must be stored in conditions consistent with the defined operating
environment for a period of 24 hours prior to use.
Tip outer diameter dimensions
Tip Size Diameter (in.) Diameter (mm)
Extra Small 0.30 in. 7 mm
Small 0.37 in. 9 mm
Medium 0.48 in. 12 mm
Large 0.62 in. 16 mm
Extra Large 0.79 in. 20 mm