CEN-TECH 94138 User Manual

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Metal DetectorMetal Detector
Metal DetectorMetal Detector
Metal Detector
ASSEMBLY AND OPERATING INSTRUCTIONS
3491 Mission Oaks Blvd., Camarillo, CA 93011
Visit our Web site at http://www.harborfreight.com
Copyright © 2006 by Harbor Freight Tools
®
. All rights reserved. No portion of this
manual or any artwork contained herein may be reproduced in any shape or form
without the express written consent of Harbor Freight Tools.
For technical questions and replacement parts, please call 1-800-444-3353
94138
Due to continuing improvements, actual product may differ slightly from the product described herein.

CEN-TECH 94138 Specifications

General

SKU	94138
Type	Metal Detector
Sensitivity Settings	Adjustable
Audio Output	Yes
Power Source	9V battery
Material	Plastic and Metal
Search Coil	Waterproof
Display	Analog Meter
Audio Feedback	Yes
Target Identification	Yes
Discrimination Control	Yes
Weight	2.2 lbs
Search coil diameter	6.5 inches
Depth range	Up to 8 inches
Detection Depth	Up to 6 in. (small objects), Up to 8 in. (larger objects)

Summary

Assembly and Operating Instructions

Specifications

Sensitivity

Continuously adjustable. Automatic tuning. Desensitize button reduces sensitivity by 50%. Max depth 13/16".

Power Source

9 VDC battery (not included). Up to 80 hours use, with low power alert.

Options

Charging port and earphone jack provided. Charger and earphone not included. Storage case included.

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Safety Warnings and Precautions

General Safety Precautions

Essential safety guidelines for operating the metal detector to prevent injury and damage.

Unpacking

Operation

Battery Installation

Instructions for installing a 9-volt battery, including polarity and low battery warnings.

Basic Operation

Adjusting Detector Sensitivity

Guide on how to adjust the metal detector's sensitivity using a screwdriver.

Using the Desensitize Button

How to decrease sensitivity by 50% by pressing and holding the desensitize button.

Using an Earphone

Instructions for using an optional earphone for quiet operation and silencing the normal alarm.

Maintenance

Schematic Diagram

Top Section

Detailed circuit diagram for the top section of the metal detector.

Bottom Section

Detailed circuit diagram for the bottom section of the metal detector.

Warranty Information