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Subsurface PL-TT Cable and Pipe Locator


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  • Model: PL-TT
  • Manufactured by: Subsurface Instruments
  • Ship Lead Days: 10

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The dependable, affordable and rugged solution for the locating professional

Built with advanced Technology at its core, the PL-TT offers SSI’s most sophisticated technology in an economical package. For quick simple locates, even in the most demanding of locating environments, users can depend on the PL-TT. Dependability is not only driven by the internal technology, but the PL-TT is built to last with a carbon fiber housing and sealed against weather.

The ruggedly designed and well-balanced receiver includes an LCD screen providing relative and actual signal strength, as well as a speaker for variable audio pitch. With two-line locate modes to choose from, a peaking signal response and left-right guidance, the instrument can be operated for quick and simple locating or it may be dialed in to minimize interference. Conductor depth can be estimated by both a push button digital depth & by triangulation. 

PL-TT cable and pipe locator offers multiple active frequencies ranging from 512Hz to 131kHz and passive power frequencies. Its advanced technology ensures flexibility to match the needs of the most complicated locating environments. As standard the unit is equipped with 4 active frequencies; 815Hz, 8kHz, 33kHz & 82kHZ.

Transmitter functions include transmitter induction, coupler induction, and direct connection. Whether the locate is measured in feet or miles, with automatic impedance matching from 5 ohms to 25,000 ohms and 3 watts of output power, The PL-TT will meet the challenge. 

SubSurface Instruments, Inc. locators are designed and manufactured to make utility locating as accurate as you need and as simple as you want.


  • Simple and easy user interface with four buttons keypad panel and Digital display indicator 
  • Carbon Fiber housing 
  • Customizable frequencies and operational modes
  • Transmits 2 frequencies at the same time
  • Battery Operated RX 6 “AA” alkaline batteries 
  • Battery Operated TX 8 “C” alkaline batteries
  • Made in the USA


Transmitter Available Operating Frequencies

Range from 12Hz to 200kHz

Transmitter Indicators

AC load assistance measurement, relative ohms, voltage, live voltage output, current output, power level, frequency, mode, battery indication alert, low battery indicator audio/visual with modulated low battery warning transmitted to the receiver

Transmitter Load Matching

Automatic from 5 Ω to 25,000 Ω

Transmitter Output Power

3 power settings Low & Medium Frequency Range: 0.2w to 3w High

Transmitter Power Source

(8) “C” cell batteries

Transmitter Battery Life

Continuous: 8-15 hours (Dependant on load, frequency, power setting)

Transmitter Operating Temperature

-4° F to 133° F (-20° C to 55° C)

Transmitter Ingress Protection Rating


Transmitter Dimensions

8.5” x 5.8” x 2.5” (21 cm x 15 cm x 6 cm)

Transmitter Weight

C-cell: 2.2 lbs (1 kg) with batteries

Transmitter Country of Origin

United States of America

Transmitter Warranty

1 Year warranty. 48 Month (4 Years) Warranty when registered at within 1 month of the date of purchase.

Receiver Operating Frequencies

Range from 512Hz to 131kHz

Receiver Passive Power Modes

60Hz, CP

Receiver Antenna Mode

Peak & Left/Right

Receiver Display

Bar graph, low battery, signal strength,& mode

Receiver Power Source

(6) "AA" Alkaline batteries

Receiver Battery Life

Continuous: 30 hours; Intermittent: 60 hours

Receiver Signal Strength

Bar graph & Absolute signal strength 0-99

Receiver Gain Control

Left/ Right Guidance Mode: Automatic

Receiver All Other Locate Modes

Manual gain adjustment

Receiver Dynamic Range

126 dB

Receiver Depth Measurement

Push button digital depth & Triangulation

Receiver Operating Temperature

-4ºF to +133ºF (-20ºC to +55ºC)

Receiver Ingress Protection Rating


Receiver Dimensions

33.3” x 3.4” (77 cm x 24 cm)

Receiver Weight

1.26 lbs (0.57 kg) with batteries