Key Digital ES381 manual Power Requirements

4 HARDWARE SPECIFICATION

All parameters typical @ 20°C unless otherwise stated

4.1 Power Requirements

Supply Voltage:	5.0V	±10% from host USB bus
Total Supply Current:	200mA avg

4.2 Mechanical

Mass:	42g typ.
Case Material Data:	Polycarbonate (UL94V rated)
Size (typical in mm):	99.615 x 30.6 x 17.516

4.3 Environmental

Humidity:	<80% non condensing
General Operating Temperature:	-10°C to +45°C Ambient
Storage Temperature:	-40°C to +80°C Ambient
Operating Location:	Indoor or under-cover use only
Operational Category:	Cat II
Pollution Degree:	2

15From BNC end to USB end

16Not including “P” clips on base

Elan Digital Systems Ltd. 27 USBcount50 USER’S GUIDE Iss1