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Summary of Contents for Schonstedt Instrument MAGGIE
- Page 1 Instruction Manual MAGGIE Magnetic Locator Schonstedt Instrument Company 100 Edmond Road, Kearneysville, WV 25430 P: (304) 725-1050 www.schonstedt.com schonstedt.inf@spx.com...
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Page 2: Table Of Contents
Table of Contents SECTION I: INTRODUCTION ..................... 3 SECTION II: OPERATING CONTROLS ON/ Volume ......................4 OFF .......................... 4 GAIN ........................4 SECTION III: VISUAL AND AUDIBLE INDICATORS Gain Level ........................ 5 Battery Level ......................5 Signal Strength and Polarity ..................5 SECTION IV: CONNECTORS AND ACCESSORIES Headphone Jack and Jack Plug ................ -
Page 3: Section I: Introduction
Figure 1 illustrates an application of MAGGIE in which it is used to detect an iron marker of the type used for property line identification. As shown, the magnetic field of the iron marker is stronger at sensor A than it is at sensor B. -
Page 4: Section Ii: Operating Controls
/ : The sensitivity of the unit can be increased (to detect smaller objects at greater depths) or decreased (to detect larger objects at smaller depths) by adjusting the gain up or down pushing the UP or DOWN arrow buttons. Figure 2: MAGGIE Face Plate... -
Page 5: Section Iii: Visual And Audible Indicators
SECTION III: VISUAL AND AUDIBLE INDICATORS Gain Level Indicator: The gain range is indicated by a 4-segment LCD as shown in Figure 3; L (Low), M (Medium), H (High) and XH (Extra High). Upon turn on, the gain defaults to M (Medium). Each press of the UP or DOWN arrow buttons will cause the gain level indicator to change accordingly. -
Page 6: Section Iv: Connectors And Accessories
Figure 7: Headphone Jack Plug SECTION V: BATTERY REPLACEMENT MAGGIE is powered by one 9-volt disposable battery. The battery is located in the handle of the instrument and can be accessed by turning the screw counterclockwise by hand or with the use of a screwdriver or coin. -
Page 7: Section Vi: Operating Recommendations & Application Notes
SECTION VI: OPERATING RECOMMENDATIONS AND APPLICATION NOTES Search Procedure Turn the instrument ON, the gain defaults to Medium (M). Grasp the locator as illustrated in Figure 9. Because the upper sensor is near the handle of the locator, wristwatches may produce unwanted changes in the audio signal and in the meter indications, and should be removed. -
Page 8: Basic Signal Patterns
Basic Signal Patterns When MAGGIE is positioned directly over a vertical target, the signal strength will peak (audio signal, digital readout, and bar graph) at either a positive or negative polarity. The audio signal, digital readout, and bar graph indications also peak over each end of a horizontal target. -
Page 9: Strongly Magnetized Markers
If you are looking for a corner marker and detect two or three signals in the same general vicinity, raise the locator several inches above the ground, or decrease the gain setting before you get a shovel. Any signal that disappears when the locator is held higher, or the gain is decreased, is probably coming from a smaller target. -
Page 10: Correct Stake Orientation
Correct Stake Orientation When placing stakes, correct orientation is important. For checking purposes, the orientation of the pin relative to the locator is shown in Figure 15. Check the pin with one orientation. Then rotate the pin 180°. The orientation which gives the largest reading is the one that should be used. -
Page 11: Locating And Tracing Barbed Wire
20 feet deep. Figure 17: Locating Water Well Casings MAGGIE can also be used to precisely locate the metal handles or reinforcing bars on septic tank covers at depths up to 6 feet. Figure 18: Signal Patterns... -
Page 12: Searching Areas Along A Chain Link Fence
Examine trees for bench marks and bits of embedded barbed wire. Hold the locator parallel with the direction of the wire. Figure 20: Tracing Pieces of Barbed Wire Embedded in Trees Searching Areas along a Chain Link Fence Searching in the vicinity of a chain link fence requires a reduced sensitivity setting and some control over the orientation of the locator. -
Page 13: Locating Valve Boxes
Figure 22: Abrupt Drop of Signal while Searching along a Chain Link Fence Locating Valve Boxes Both the valve and its casing, when iron, provide strong magnetic fields, which make them easy to locate. Plastic enclosures containing magnets (which are typically used with non-ferrous valve boxes) are easily located at depths of up to 11 feet. -
Page 14: Locating Steel Drums
Four-inch pipes joints and transition points can be located at depths up to 11 feet. Locating Steel Drums As shown in Figure 25, MAGGIE’s signal pattern will vary depending on the vertical or horizontal orientation of the drum and also how deep it is buried. -
Page 15: Locating Ordnance And Weapons
Locating Ordnance and Weapons The versatile, lightweight, cost-effective MAGGIE is also designed to aid EOD technicians and law enforcement officers during area search operations. Figure 26: Basic signal patterns from vertical and horizontal targets help to determine target orientation. Figure 27: A 175mm projectile can be located up to 4 feet deep. -
Page 16: Other Notes
Figure 30: A discarded hand gun can be located up to 14 inches deep. Other Notes A burbling sound indicates the presence of an energized power line or the presence of 50/60Hz. This will not influence the meter indication unless associated with a magnetic structure. -
Page 17: Section Vii: Specifications
SECTION VII: SPECIFICATIONS (Specifications subject to change without notice) Output: Audio: Frequency increases or decreases with signal strength (gradient field intensity). Range: 30 to 4000 Hz. Visual: Expanding bar-graphs and signs indicate polarity and signal strength. Digital readout shows gradient field intensity expressed in milligauss (mG). -
Page 18: Section Viii: Technical Support
SECTION IX: WARRANTY / SERVICE INFORMATION Limited Warranty: Schonstedt Instrument Company (Schonstedt) warrants each product of its manufacture to be free from defects in material and workmanship subject to the following terms and conditions. The warranty is effective for 7 years* after the shipment by Schonstedt to the original purchaser.
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