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Leveling and Accuracy| level accuracy | +/- 1/16” @ 100 ft. (1.6mm @ 30m) |
|---|---|
| self-leveling range | approx. +/- 8˚ |
| grade accuracy | 0.01 to 2.5% = 0.01%, 2.5 to 15% = 0.08% |
Operating Range| operating range (diameter) | up to 2, 000 ft. (700m) |
|---|---|
| grade increments | 0.01% from -2.5 to 2.5% Slope |
| laser type | 635nm Visible, (Class 3a FDA) (Class 3R IEC) |
Power and Battery| battery life at 20˚C (68˚F) with C-cell alkaline | approx. 60hr. |
|---|---|
| recommended battery type | Alkaline |
| compatible battery types | Commercially-available manganese, Ni-CD and Ni-MH |
Operating Environment| operating temperature | -4˚F to 122˚F (-20˚C to 50˚C) |
|---|---|
| tripod mount | 5/8 x 11 |
| compensation type | Electronic Self Leveling |
Step-by-step guide for calibrating the laser's horizontal and vertical axes.
Essential safety measures, including avoiding direct eye exposure and seeking authorized servicing.
Details the main features and capabilities of the LT-850 laser level.
Instructions for verifying the laser's accuracy in the upright position.
Details the functions of the Power, Plus, Minus, and Mode buttons and the LCD display.
How to navigate modes and step-by-step instructions for replacing batteries.
Explains operation in Manual/Vertical modes and rotor speed adjustment.
Details leveling status indicators, range, and the Height of Instrument mode.
Steps and notes for operating the laser in Leveling and Grade modes, including slope calculations.
A list of tasks the laser can perform and guidance on setting benchmarks.
Steps for setting up the laser and taking elevation readings for construction.
Lists technical data and provides instructions for cleaning and maintaining the instrument.
