Tempo (Greenlee) 521A Wire and Valve Locator

Reference#: 70800
Item#: GR-521A


Tempo (Greenlee) 521A Wire and Valve Locator

The new and improved 521A Wire and Valve Locator builds on the success of the industry-standard Model 521. The new 521A has added features such as: loudspeaker listening, an extended locating wand for comfort, a slimmer case and a switch to easy to find “D” cell transmitter batteries. Like its predecessor, the 521A combines adjustable transmitter power with a sensitive locating receiver to allow location of buried wires and valves with speed and confidence.

Learning Center:
Visit the Discount Low Voltage Blog for step by step instructions on How to find underground wires and valves using the 521A .


Tempo 521A Features:

- Adjustable transmit power allows you to select the best signal for maximum performance

- Transmitter's high power output offers extended range and use on higher resistance wire paths that other locators can't touch

- Receiver provides both audible and visual indications of signal strength

- Lightweight receiver wand makes it easy for you to move along quickly to locate even the longest wire path

- Rugged headphones block ambient noise and improve 'feel' for the signal

- Includes transmitter, receiver, headset, ground stake, and complete instructions

- Battery operated: (8) D Cells and (1) 9V

- 1-year limited warranty


Power Requirements: Transmitter - (8) D cell batteries, Receiver - (1) 9V battery (batteries included)

Battery Life: Transmitter - 50 hours nominal, Receiver - 100 hours nominal

Transmitter Frequency: 1748 Hz

Transmitter Power: 750Vp-p 285Vrms

Voltage Protection: 120VAC/250VDC

Construction: powder-coated aluminum housing in polyethylene case

Case Dimensions: 33.5in. X 8.25in. X 3.75in

Weight: 12 lbs. complete

Replacement Parts:

521T- Transmitter

521R- Receiver

HS1- Headset

GS1- Ground Stake