APL301 Automatic Self-leveling Laser Cross LineAPL301 projects 3 powerful laser lines (One horizontal and two plumb lines). With convenient operation, complete functions and lower requirements for working conditions, APL301 can be installed on tripods or lift poles and will locate the horizontal and plumb direction anywhere on the metope! Lightweight design that’s easy to carry but very powerful! Ⅰ Instrument Operational Principle & Application APL301 Cross Line is a new type of integral instrument combined of optical, mechanical and electrical functions. It adopts laser diode of 635nm, can project visible red horizontal and plumb beam on the wall. With the automatic compensator installed within the instrument, it automatically keeps the projected laser lines horizontal (or plumb) position. The instrument can be used for the purposes of indoor decoration, ceiling hanging, door and window installation, vertical wall partition, tube line laying and architectural constructions, etc. II Specifications Wave length | 635nm red laser | Laser diode power | <1mw | Line width | <3mm | Visible laser working range (radius) | 10m | Self-leveling range | ±4º | Leveling time | <3sec | Cross line accuracy | 1′ | Projected beam accuracy | 1.5mm | Refraction angle | 90º | Power sources | 3 pcs 5AA alkaline battery | | 10 hours | | -10℃~+40℃ | | 110mmX120mmX60mm | | 0.5Kgs | | 1/4 inch |
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