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Spec Sheet   Install Manual

Digital, Inductive, Exceptional

The Pro900™ Digital Underground Cable Locator is the #1 locator at Armada and is a full-featured digital underground locator for contractors and maintenance personnel. Incorporating three different locating frequencies, the Pro900™ tracks metallic cabling, including CATV, electrical, telephone, sprinkler, and lighting. The Pro900™ transmits solid or intermittent signals that are easy to follow. The digital signal reception allows for crystal clear tone reception in most situations with either null or peak reception and features a KOSS stereo headset.

When you first use the Pro900™, immediately you notice the clear, clean, interference-free signal. No buzzing, no AC crackling, no drowning of your signal beneath the local electrical transformer or electric cable. All of that garbage is filtered out. What remains is a distinct beeping or continuous tone, easy to follow, easy to track. In addition, the added digital sensitivity allows for reception signal changes over splices, decoders, and other anomalies.

It takes a little practice, but subtle underground changes in wire/cable features can be located, marked, and dug up.

Another big advantage to the Pro900™ is its 2 inductive mode capabilities. The Pro900™ has both the new IC3 inductive clamp and inductive antenna modes. These wireless connection methods give the Pro900™ incredible flexibility when tracking wires and cable that you either can’t or don’t wish to disconnect, like live electrical or in-service CATV lines. The Pro900™ incorporates a 50/60Hz passive locating mode, which identifies electrical sources (power cables) and tracks them without using a transmitter of any kind.

Contractors can identify the path of 50/60 Hz underground cables without disconnecting them or connecting to the cable. The Pro900™ uses the triangulation method for depth determination. Simply acquire the wire path in the null mode, place the receiver at a 45-degree angle to that path, move the receiver horizontally in the direction the receiving wand is leaning and when you get the null again, the distance traveled is the depth of the wire.


Q. I have put in new “D” batteries in my locator transmitter and am getting no power. Why?

A. Armada locators utilize 8 “D” cell batteries.  The battery compartment is designed to tightly hold the D cell batteries in place (you wouldn’t want them moving around, right?). When initially installed, they sometimes need to be adjusted to make that first connection. Once this has been accomplished, the tight control will keep them in place. However, do not adjust the batteries while the unit is on.

As a note, not all D cell batteries are created equal. There is actually a slight size difference between manufacturers. The larger batteries fit tighter and therefore may be the ones that need the initial adjustment.

Q. I lose signal after just a short distance in tracking. It did not do this when I first bought it. What is wrong?

A. There is a good chance that it is batteries, batteries, batteries. Most unit performance problems relate to batteries. Some units have battery test buttons on both the receiver and transmitter, others indicate battery condition on screen or with LED lights. Use them to verify battery power level. And, we recommend that, even if the battery test reveals some power, we would change batteries for anything less than full power. Keep a set of extra batteries in the glove box just in case.

Tracking Range Depth: 8 feet
Distance: 5,000 feet with direct connection
Distance: Unlimited with broadcast mode and leapfrogging
Tracking Signals Frequency One: 2 kHz direct connect
Frequency Two: 33 kHz direct connect
Frequency Three: 175 kHz via clamp or internal broadcast antenna
Signal Output 900 V peak with no load
1 W maximum

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