Operator’s Manual 8261 State Route 235 Dayton, OH 45424 USA Phone: (937) 482-0200 Fax: (937) 482-0030 www.apache-laser.
Thank you for purchasing an Apache Technologies, Inc. product. Your THUNDER® Laser Detector is a premium quality tool that has been designed and manufactured to provide years of precise and reliable performance. This manual is an important part of your purchase as it will familiarize you with the unit and explain the numerous features that have been designed into it. Please read this manual thoroughly before using your THUNDER Laser Detector.
THUNDER Laser Detector Model 54 - Exterior General Description The THUNDER family of hand-held laser detectors is designed to receive and indicate reference elevation information from rotating laser levels. Model 54 is designed for general outdoor use. It has a Liquid Crystal Display (LCD) on the front that gives a visual indication of High, Low or On-grade. A beeper also emits three distinct audible tones for High, Low or On-grade. A general purpose rod clamp is included with the Model 54.
THUNDER Laser Detector Model 54 - Exterior 5 6 7 THUNDER Laser Detector Model 54 - Operation 8 9 5. Clamp Slots - two dovetail slots accept the rod clamp. 6. Tab Slot - accepts clamp tab and locks clamp in place. 7. Offset Marking Notch - used for transferring reference marks. The top of the detector is 1.0” (2.5 cm) above the laser On-grade location. Press the power switch once to turn the detector on. The beeper will sound and all the symbols on the LCD will be visible.
THUNDER Laser Detector Model 54 - Operation THUNDER Laser Detector Model 56 - Interior When a laser beam is received, the beeper will also emit audible signals. Fast beeping means the detector is too high, continuous is on-grade, and slow is too low. A Model 52 general purpose clamp is included with the Model 54 to attach the detector to grade rods. To secure the clamp to the detector, align the two dovetails of the clamp to the grooves on the back of the detector. Slide the clamp down onto the detector.
THUNDER Laser Detector Model 56 - Operation The operation of the Model 56 is similar to the Model 54 (Please refer to page 3). When a beam is received, the LED will visually indicate the detector’s position relative to the laser beam. Red Light High Indication Amber Light Low Battery Indication Green Light On-grade Red Light Low Indication The center green LED will flash to indicate the detector is on.
THUNDER Laser Detector Model 54 - Exterior - Specifications THUNDER Laser Detector Model 56 - Interior - Specifications Detection Accuracy (Typical) ±0.030” (±0.75 mm) Display LED’s (red/green/red) LCD (arrow/bar/arrow) Sealing Dustproof, Waterproof Sealing Dustproof, Waterproof Detection Range (dependent on laser) Up To 500 ft. radius (150 m) Detection Range (dependent on laser) Up To 300 ft.
Warranty Apache Technologies, Inc. THUNDER laser detectors are warranted to be free of defects in material and workmanship for a period of two years. This warranty period is twenty-four months from the date the product is delivered from the dealer to the purchaser or is put into service by a dealer as a demonstration unit or rental unit. A Warranty Registration Card must be filled out properly and on file with Apache Technologies, Inc. or proof of purchase presented to obtain warranty service.
