Welch Allyn 420 Series - Portability; Electrical Specifications; Power Requirements; Battery

18 Welch Allyn
Custom Mobile Stand
Custom made Wall Mount
Custom made IV Pole Mount
Portability
May be hand-carried when held by the rear handle.
Electrical Specifications
Power Requirements
Patient-Rated isolation transformer is connected to AC mains:
North American Version: 120VAC, 60 Hz. 0.20A Input Source, 8VDC, 0.75A Output Source
International Version: 230VAC, 50Hz 0.20A Input Source, 8VDC, 0.75A Output Source
240VAC, 50Hz 0.20A Input Source, 8VDC, 0.75A Output Source
Battery
Lead acid, with external charger.
A fully charged battery supports 150 typical blood pressure determinations taken at 7 minute
intervals. The battery is 90-100% charged after 12 hours of charging. The battery automatically
charges when the Spot Vital Signs is powered through the AC power transformer. The battery
charges faster when the instrument is not in operation.
Environmental Specifications
Operating Temperature
+10° to +40°C (Thermometer operating temperature 16° to 40° C)
+50° to +104°F
Storage Temperature
-20° to +50°C
-4° to +122°F
Transport Temperature
-20° to +49°C
-4° to +122°F
Relative Humidity
15 to 90% (non-condensing)
Operating Altitude
-170 to +4877 m
-557 to +16,000 ft.