The Laser Reference product line carries the l4 laser system. The laser reference l4 laser system serves the need for a self leveling rotary laser with horizontal and vertical modes

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L4 Laser System

The L4 is the most economical self leveling rotary laser on the market. Horizontal and vertical modes.

The L4 (also available with visible beam, see the L4+ below) compensated laser level is the choice of the general and commercial concrete contractor. In the horizontal mode, it self levels via a wire hung, air damped compensator. It is manually aligned and plumbed when used in the vertical mode. Note that the laser must be paired with the optional W1 mount to be used in the vertical mode. The L4 has a long working radius of 750 feet (230m), with leveling accuracy of ą3/32 inch per 100 feet (2.4mm per 30m). Run time on 4 C alkaline batteries is 70 hours, or approximately 24 hours on the optional rechargeable batteries. Featuring our Guardian warranty and the most competitive price in the industry, the L4 is an unbeatable choice.

Specifications:
Range: 1500 foot diameter (460m) with R7 laser receiver
Rotational Coverage: 360 degrees
Accuracy: ±1/16 inch per 100 feet (1.6mm per 30m).
Leveling Method: Horizontal self leveling via wire hung compensator.
Vertical Capability: Manual with built in vial, optional mount
Rotating Beam: 670nm class II
Rotation speed: 600 rpm.
Power: 60 hours on 4C alkaline batteries. 55 hours NiMH rechargeable batteries (optional)
Environment: Water and dust resistant.
Warranty: 3 Year Guardian Warranty.

Description	Price	Quantity
L4 Laser, R7 Receiver, Clamp, Case	$894.95
W1 Wall & Vertical Mount	$74.95
Extra R7 Receiver with Clamp	$200.95
Battery Kit NiMH w/ charger 500-0250M	$59.95

L4.7 Self Leveling Compensated Laser

The L4.7 laser level is an improved version of our time tested standard, the L4. It is the choice of the commercial concrete or general contractor who needs long range and the highest accuracy. This is the preferred instrument for large commercial foundations or large grading projects. In the horizontal mode, it self levels via a wire hung, air damped compensator. It is manually aligned and plumbed in its vertical mode. In its price range, the L4.7 provides higher accuracy, longer range, is the only unit with vertical capability, and features the longest standard warranty of any laser on the market.

Specifications:
Range: 1500 foot diameter (460m) with R7 laser receiver
Rotational Coverage: 360 degrees
Accuracy: ±.040 inch per 100 feet (1.0mm per 30m).
Leveling Method: Horizontal self leveling via wire hung compensator.
Vertical Capability: Manual with built in vial, optional mount
Rotating Beam: 670nm class II
Rotation speed: 600 rpm.
Power: 110 hours on 4C alkaline batteries. NiMH rechargeable batteries optional

Environment: Water and dust resistant. (IP55)
Warranty: 3 Year Guardian Warranty.

Description	Price	Quantity
L4.7 (with R7 Receiver, Clamp, Case)	$749.95
W1 Wall & Vertical Mount	$74.95
Extra R7 Receiver with Clamp	$200.95
Battery Kit NiMH w/ charger 500-0250M	$59.95

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