Manual
Table Of Contents

SPECIFICATIONS 
  4 
COOLING 
Variable speed thermal static control fan 
AC INPUT 
115/230 VAC, 50/60 Hz~ (~Alternate current) 
POWER CONSUMPTION 
265W 
OPERATION TEMPERATURE 
0º TO 40º C, 10-80%R.H. 
(80% relative humidity for temperature up to 31º C 
decreasing linearly to 50% relative humidity at 40º C) 
STORAGE TEMPERATURE 
-15º TO 70º C, ≤ 85% R.H. 
ENVIRONMENTAL CONDITIONS 
-  10-80% R.H. 
-  Altitude up to 2000m 
-  Installation category: CAT II 
-  Pollution degree: 2 
-  Mains supply voltage fluctuation up to ±10% of normal voltage 
DIMENSIONS (H x W x D) 
4.9" x 8.5" x 11.5" (124 x 216 x 292mm) 
WEIGHT approx. 
14.3 lbs (6.5 kg) 
ACCESSORIES SUPPLIED 
Instruction Manual 
Spare fuse 
OPTIONAL ACCESSORIES 
Power Supply Hook-up Cables, Model TL 5A 
LINE SELECTION 
The 1671A can operate on 115V AC or 230V AC line 
input. Before connecting the power cord to the AC 
outlet, make sure the voltage selector on the bottom of 
the unit is set to the correct line voltage. Additionally, 
please check that you have the fuse inserted in the 
fuse box below the AC input receptacle. The fuse to 
use is referenced below: 
LINE VOLTAGE 115V 230V 
FUSE VALUE   F4AL250V  F2AL250V 










