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Fisher TW-8800 Utility Locator

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Fisher TW-8800 Digital Pipe & Cable Locator (Triple Frequency)

Mitchell Part Number: FIJ-TW8800

See other products by Fisher M-Scope

Availability: Typically In stock.

$3,195.00
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Quick Overview

Proven Fisher M-Scope technology built-in to a rugged weather resistant case for heavy duty field work. Both active and passive locating. Uses multiple frequencies and three search modes to locate underground pipes, cables, conduit, and conductors.

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  • Active locating utilizes both the transmitter and the receiver. By applying a signal with the transmitter, the operator can trace the path of the utility with the receiver. Different utilities respond better to different frequencies, and the TW-8800 has three frequencies the operator can choose from: 82 kHz, 8.2 kHz, and 820 Hz.

  • The passive locating method utilizes only the receiver. This method of locating uses signals that are inherently associated with the utility. The TW-8800 has two modes for passive locating: 50Hz/60Hz (power) and 14 kHz to 30 kHz (radio). The power mode senses the electromagnetic fields on energized electrical lines. The radio mode senses the re-radiated radio waves that are occasionally associated with utilities. Often these signals are weak, so to assist the operator, we added a feature that oscillates the signal, thus allowing the signal to be heard.

  • Depth measurement to 16 ft. depending on conductor size, measurement mode, soil conditions. Automatic gain control for maximum sensitivity. Display gives intuitive 'left-right' signalling for accurate location of buried utilities.

  • Designed for the most rugged field duty; weatherproof, durable. Made in the USA and comes with a two-year warranty.

  • Tracing kit includes transmitter and receiver, ground rod, ground plate assembly and hard carrying case.

Specifications
Transmitter Receiver
Frequency 820Hz Active Frequencies: 82KHz, 8.2KHz, 820Hz
8.2KHz (most versatile)
82KHz (standard frequency) Signal Strength Digital Numeric Readout (0-99%) & Bar Graph
Output Power 7 Watts maximum
Operating Modes Direct Connect Mode, Inductive Mode, Externa Coil Mode (Optional)
Battery Type Six “C” cells
Battery Type Two 6 Volt lantern batteries Battery Life 80 Hours
Battery Life Direct Mode 80 hours Battery Status Continuous Display
Battery Status Low Battery Indication Visual Indication LCD, Bargraph with Backlight
Visual Indication LCD bargraph, diplay with backlight Depth Range Line: 0-16ft./ 0-5m
Audio Indication Alarm, beeping sounds
Measuring Function Line Voltage: 0-250V Depth Readout Units Meter, Feet, Inch
Operating Temperature -4 to 140F Depth Accuracy +/-1 inch/foot
Weight 8 lbs Audio Output Internal Speaker (Earphone)
 
Operating Temperature -4 to 140F (-20 to 60C)
Weight 4.7 lbs.
Shipping Weight 25.0000
Manufacturer Fisher M-Scope
MPN TW-8800
Manufacturer Warranty 2 Years
Mitchell Catalog Number 9FTW8800, 8FTW8800, 7FTW8800

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