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Craftsman CMHT77638 User Manual page 9

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Specifications
Range
Measuring Accuracy*
Smallest Unit Displayed
Laser Class
Laser Type
Laser/Backlight Automatic Switch-off
Unit Automatic Switch-off
Continuous Measuring
Area/Volume
Indirect Height/Double Indirect Height
Battery Life
Dimension (H x D x W)
Weight
Storage Temperature Range
Operating Temperature Range
Protection class
*
Measuring Accuracy depends on the current conditions:
Under favorable conditions (good target surface and room temperature), up to 30ft (10m).
Under unfavorable conditions (bright sunlight, a very weak reflecting target surface, or large temperature fluctuations), the error
can increase by to ± 0.002 in/ft (± 0.15mm/m) for distances over 30ft (10m).
Information Codes
If IC appears on the display window with a Code number, perform the corresponding Corrective Action.
Code
Description
255
Cannot Measure
301
Trigonometric
401
Communication
501
Out of Temperature
Range
11.8in to 65ft (0.3m to 20m)
± 1/8in (± 3mm)*
± 1/16in (± 1mm)
Class 2 (IEC/EN60825-1: 2014)
≤ 1.0mW @ 620-690nm
60s
120s after the Laser is Off
Yes
Yes
Yes
Up to 3000 Measurements
4.63 x .81 x 1.75in (118 x 21 x 44.45mm)
2.4oz (68g)
14° F ~ 140° F (-10° C ~ +60° C)
32° F ~ 104° F (0° C ~ +40° C)
IP40
Corrective Action
Switch the device on/off several times. If the error still occurs, return the
defective device to the Service Center or distributor. Refer to the Warranty.
When calculating the height of a tall building, code 301 will appear if you
measure a longer distance after a shorter distance.
If you take a measurement too quickly after taking another measurement,
code 401 will appear.
Allow the device to cool down or warm up to a temperature within the range
32° F ~ 104° F (0° C ~ +40° C).
E
9

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