Prokit's Industries NT-6540 - Manual (Page 4)

INTRODUCTION
Keypad
1. Measuring
2. Reference
setting
3. Unit change/LCD back light
4. Area/Pythagorean/Historical
data recalls
5. Device on/Off/Clear
Technical Data
Part Number NT-6540
Range 0.1 ~ 40m
Accuracy ±2mm
Unit m/in/ft/ft+in
Continuous measurement YES
Area calculations
YES
Display 2 Line display
Display back light YES
Historical recodes 10 sets
Buzzer indication YES
Dust protection/Splash proof IP54
Battery type
Type AAA x 2pcs
(1.5V)
Battery life
Up to 5000 times
(Only for reference)
Laser class Class II
Laser type 650nm, < 1mW
3