Fluke 68IS Specifications
Temperature range
Fluke 66 -32 to 600 °C (-25 to 1100 °F)
Fluke 68/68IS* -32 to 760 °C (-25 to 1400 °F)
Accuracy -32 to -26 °C (-25 to -15 °F): ±3 °C (±5 °F)
(assumes ambient -26 to -18 °C (-15 to 0 °F): ±2.5 °C (±4 °F)
operating temperature -18 to 23 °C (0 to 73 °F): ±2 °C (±3 °F)
of 23 °C [73 °F])
For targets above 23 °C (73 °F): ±1 % or reading or ±1 °C (±2 °F), whichever is greater
Repeatability ±0.5 % or ≤ ±1 °C (±2 °F), whichever is greater
Response time ≤ 0.5 second (95 % of reading)
Spectral response 8 to 14 µm
Emissivity Digitally adjustable emissivity (from 0.1 to 1.0 by 0.01)
Ambient operating temp. 0 to 50 °C (32 to 120 °F)
Relative humidity 10 to 90 % RH non-condensing, at <30 °C (86 °F) ambient
Storage temperature -20 to 60 °C (-13 to 158 °F) without battery
Dimensions 200 x 160 x 55 mm (8 x 6 x 2 in.)
Weight 320 g (11 oz.)
Power 9 V alkaline or NiCd battery
Batter life (alkaline) 20 hours with laser and backlight on 50 % 40 hours with laser and backlight off
Laser sighting (Class II) Offset single point laser point
Typical distance to target 5 m (15 ft.) 8 m (25 ft.)
Distance to Spot (D:S) 30:1 at focus point 50:1 at focus point
MIN, MAX, AVG, DIF
Temperature display
Data logging 12 points
Probe jack
Display hold (7 seconds)
Hi/Low alarm
LCD backlit
Temperature display °C or °F selectable
Display resolution 0.1 °C (0.1 °F)
Hard carrying case
Locking trigger
Tripod mounting 6.35 mm (.25 in.) 20 UNC threading
Warranty 2 years, conditional
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