Fluke 63 User Manual page 27

Distance to Spot Ratio
63:
66:
68:
Emissivity
(Adjustment for surface measured)
63:
66/68:
Response Time
500 mSec
Repeatability
±0.5 % of reading or ±1 °C (±2 °F), whichever is greater
Spectral Response
8 m to 14 m
Laser Sighting
Laser turns off above ambient temperature of 40 °C (104 °F)
Relative Humidity
10 % to 90 % RH non-condensing, at <30 °C (86 °F)
Tripod Mount
¼ in. 20 UNC threading
Operating Temperature
0 °C to 50 °C (32 °F to 120 °F)
Storage Temperature
-20 °C to 60 °C (-4 °F to 140 °F)
Weight
320 g (0.7 lbs)
Dimensions
200 mm x 160 mm x 55 mm (7.8 in x 6.30 in x 2.17 in)
Battery Type
9 V Alkaline or NiCd
Battery Life
63:
66/68:
12:1
30:1
50:1
Pre-set at 0.95
Digitally adjustable from 0.10 to 1.0
10 hours with laser and backlight on
40 hours with laser and backlight off
20 hours with laser and backlight on
40 hours with laser and backlight off
63/66/68
Specifications
23