Welch Allyn MicroTymp 3 portable tympanometric instrument - User Manual - Manual (Page 66)

66 Specifications Welch Allyn MicroTymp3 portable tympanometric instrument
Printer paper
4.42 in. (112 mm) wide with core
Printer/Chargers
Operating ranges
Input voltage for all Printer/Charger models is 100 to 240 V~
Input frequency for all Printer/Charger models is 50 to 60 Hz
Input current is 1A maximum
Equivalent units and symbols
Acoustic Admittance: mmho = 10
-8
m
3
/Pa*s
Air Pressure: daPa = Air Pressure (daPa) (1 daPa = 1.02 mmH2O)
Equivalent Volume = V
e
= +200 Vea
Pressure on LCD/printout = Relative Pressure =
ps
Pressure on LCD/printout = pressure - daPa = Air Pressure (daPa) (1 daPa = 1.02 mmH2O)
Admittance on LCD/Printout = Ya - mmho = Acoustic Admittance (acoustic mmho)
Printer/Charger models
Welch Allyn
Model Number Nominal Output Major Geographic Areas Plug Type
71170 120 V~, 1A Canada, Japan, United States
71172 230 V~, 1A Europe
71174 230 V~, 1A United Kingdom
71176 230 v~, 1A Australia, New Zealand