SPECIFICATIONS
Power Supply Specifications
Power supply Operating Condition Units
Voltage Range 100‑240 Volts AC
Frequency 50/60 Hertz
Current 0.6 Amps
Environmental Operating Conditions
Environmental Condition Operating Condition Units
Altitude 3000 (max) Meters
Operating Temperature 16 – 40 ºC
Storage Temperature ‑10 to 50 ºC
Operating Relative Humidity 20‑80 (non‑condensing) %
Voltage Range 12 Volts DC
Frequency DC
Current 1.2 Amps
Installation/Over Voltage Category II
Pollution Degree 2
INSTRUCTIONS FOR USE – Initial Set‑up
Choose Location
Place 3M™ Attest™ Auto‑reader 490 on a firm level surface away from sunlight
and incandescent light. To save counter space, units may be stacked two high.