Trimbe Global Positioning System Pro XRS
The GPS Pathfinder® Pro XRS receiver is an easy-to-use GIS data collection and data maintenance system that provides real-time submeter accuracy. The Pro XRS offers GPS, WAAS, satellite differential, and beacon capabilities. The integration and flexibility of these technologies means that you have less equipment, cables, and batteries to carry.

Feature and attribute data are input with the TerraSync™ software running on Trimble's GIS TSCe™ field device or a user-supplied Windows field computer, Trimble's Asset Surveyor® software running on the TSC1™ data collector, or your existing data collection software. The GPS Pathfinder Pro XRS system provides two-way data flow between the field and GIS, facilitating the data collection and data maintenance processes, and ensuring that you always have current data for decision-making.

Because the GPS Pathfinder Pro XRS integrates real-time DGPS, it is easy to navigate directly to an asset for verification and update. By taking advantage of these real-time features, you remove the need for postprocessing GPS data—further closing the gap between field work and your GIS.

incorporates a 12-channel, differential beacon, and satellite differential receiver in one housing
WAAS differential ready
uses patented EVEREST™ multipath rejection technology to remove multipath signals in reflective environments
supports NMEA-0183 output and RTCM SC-104 input/output


Magellan Meridian GPS
Meridian GPS

The rugged, cost-efficient Magellan® Meridian® GPS is designed to make getting where you’re going a fun, easy and safe trip, offering superior tracking and accuracy to with 3 meters or better. Easily navigate with a built-in 2 MB mapping database of North America and unlimited expandability.

Meridian GPS finds your location by tracking up to 12 GPS satellites simultaneously. Assisted by the U.S. Wide Area Augmentation System (WAAS), the Meridian GPS is accurate to within 3 meters or better.

Easy to use
An intuitive interface and large keyboard provides direct access to key features, putting the power of GPS at your fingertips.

Built-in mapping of North America and unlimited expandability
Start navigating right away with a 2 MB, built-in mapping database of North American, including interstates, highways, major roads, waterways, city locations, airports and more. Increase your mapping detail by downloading street-level maps on an optional Magellan SD memory card.

Full Featured Navigation
Seven customizable graphic navigation displays show a map, compass, speedometer, and text readouts of heading, bearing, speed, direction, ETA, and more. Choose from 12 built-in coordinate systems and 76 datums including Latitude/Longitude, Universal Transverse Mercator, and Military Grid Reference System.

Store routes and track-points
Store up to 20 routes, 500 waypoints and 2,000 track-points to easily find your way back again.

Save Track-to-Route
The unique, Save Track-to-Route feature allows you to convert complicated track files into easy to follow routes. Save hundreds of routes by transferring them to a PC with Magellan MapSend® software.

NorthFinder technology shows your direction even when standing still.

Sun/Moon positions
The Meridian GPS shows you when the sun will rise and set, as well as the phase of the moon, for any date and location in the world.

Fish and game calculator
Want to know when the fish are likely to be biting in your little corner of the world? The Magellan Meridian GPS can tell you.

Satellite status
Monitor the GPS satellites in view and get information about their status.
Built to perform on the most challenging and rigorous adventure.
Large backlit screen with easy to use interface
Easily view all the GPS information you need to make your adventure fun and safe, even at night.
Rugged construction
Rubber armored, impact resistant plastic allows you to confidently take your Meridian GPS on that next great adventure.

Meridian GPS is sealed to IEC-529 IPX7 specifications – and it floats!

Built-in help database
Meridian GPS is intuitive, easy to use, and all the major functions are described in step-by-step instructions.

Multiple language support
If you speak English, French, German, Swedish, Finnish, Spanish, Italian, Portuguese or Dutch, so does the Magellan Meridian GPS.

1 year warranty
We pride ourselves on building rugged and reliable navigation products that you can depend on, backed by a full one-year warranty.


Topcon Survey Automatic Levels AT-G7
AT Series
Topcon offers a wide range of automatic levels for the land surveyor, civil engineer and contractor. All AT-G series levels feature a magnetically-dampened compensator hung by four special mylar ribbons having superior resistance to cold, heat and shock. The AT-G1 model features a 360° glass horizontal circle using a 25x magnification microscope to read the circle, while the AT-G2 thru AT-G7 have a standard 360° horizontal circle. All models are waterproof with a nitrogen gas sealed telescope which prevents clouding and moisture on the lens.


Schonstedt Magnetic Locator Model GA-72 Cd

The GA-52Cx and GA-72Cd Locators detect the magnetic field of iron and steel objects and energized power lines. Both provide audio detection signals that peak in frequency when the locator's tip is held directly over the target. The GA-72Cd has the option of nulling or peaking

No. 1 Around the World in Performance and Reliability.

Quality Is Our Hallmark
Schonstedt's underground magnetic locators have been setting the standards for reliability and dependability for over 30 years. They are designed to withstand the rigors of daily on-site usage and a wide range of environmental conditions. In fact, the Model GA-52Cx is so rugged and dependable it's backed by a 7-year warranty and the
Model GA-72Cd is backed by a 5-year warranty.

Only two Controls
Designed for one-hand operations, the On/Off-Sensitivity and Volume controls are located on the underside of the cover on both locators. This provides easy access, protects the knobs and contributes to their overall ruggedness and dependability.

The GA-72Cd also has easy-to-read digital and bar graph which displays of signal strength and polarity. Once you have located a target using the audio signal, the digital readout and polarity indicators will help you to visually pinpoint the target and, in some instances, even determine its orientation.

Signal Strength and Polarity Indications
The GA-72Cd's audio signal and the 3-digit LCD readout will peak, and the (+) or (-) bar graph will expand to full scale when its tip is directly over a vertical iron pipe. One end of a horizontal target will be (+) and the other will be (-). This difference is very significant because it helps you to distinguish between vertical and horizontal pipes.
With the GA-72Cd you can select any one of four sensitivity settings; the GA-52Cx offers five sensitivity settings. The GA-72Cd's LCD bar graph shows the selected gain and the battery status. The GA-72Cd's headset jack can be connected to your data logger using a standard stereo audio plug.

Choice of Two Audio Modes
The GA-72Cd is configured initially to provide an audio signal that is always present (Audio Output switch set to "B"). If you do not want to hear a signal until the locator is within the detection range of a target, you can set the Audio Output Switch to "A".

Five Year Warranty
Digital readout and expanding bar graph displays signal strength and polarity
4 Sensitivity settings: Low, Medium, High, and Extra High
Piezoelectric speaker
Analog output for data logger entry
60-Hours operational life (intermittent usage) on 2 lithium 9-volt batteries
First locator to use Environmentally Friendly and Safe, lithium batteries. The unit is shipped with two 9-volt lithium batteries installed, and a spare set of batteries stored in the case. Lithium batteries provide twice the life of alkalines, and have a 10-year shelf life.
4-Segment BATT LCD monitors battery charge
Lightweight, easy-to-use-design reduces search time
Modular construction; high performance components
Patented HeliFlux® sensors
No response to aluminum, brass, or copper
Y2K compliant
Both the GA-52Cx and the GA-72Cd are standard with a custom case designed to withstand the rigors of field use

Switch at "A" Signal increases or decreases in volume with gradient-field intensity
Switch at "B" Signal increases or decreases in frequency with gradient-field intensity
Visual Digital readout and expanding bar graph indicate polarity (+ or-) and relative strength of the magnetic field
Battery Life 60 Hours (intermittent usage)
Input Power Two lithium 9-volt batteries
Battery Check 4-segment LCD BATT indicator
Weight Approximately 2.5 lb. (1.14 kg)
Operating Temp -13o to 140oF (-25o to 60oC)
Overall Length 34.5 in. (87.6 cm)
Waterproof Length 21 in. (53.3 cm)
Nominal Sensor Spacing 14 in. (35.6 cm)
Construction Modular, all solid state

Schonstedt All Purpose MAC-51B Magnetic and Dual-Frequency Pipe and Cable Locator
The MAC-51Bx (the most cost-effective, all-purpose locating system on the market) consists of a receiver and a transmitter that simultaneously transmits on two frequencies - 571 Hz (LF) and 82.5 KHz (HF). The receiver has a three position switch that lets you change modes, "on-the-fly", between LO, HI, and MAG, for cable and line tracing with break locating, pinpointing a ferrous metal target, or identifying and pinpointing an energized 50/60 Hz power line.

In the LO and HI modes, the receiver's audio signal provides a sharp null when its tip is directly over the target. In the MAG mode (no transmitter required) the audio signal peaks when the receiver's tip is over the target. You can trace the 571 Hz LF signal conductively applied to any continuous metal conductor up to 4000 feet. The receiver's on-the-fly mode-changing feature lets you locate a complete break using the LO mode, and then continue on to trace beyond the break in the HI mode, or trace a metal pipe joined with non-conductive gaskets.

The MAC-51Bx by simultaneously transmiting 82.5 kHz (HF) and 571 Hz (LF) signals. This feature lets you select and compare received audio signals from both frequencies along with magnetic information without having to return to the transmitter.

Transmitter Inductive Mode (HF only)
Induction is achieved by placing the transmitter over the target cable/pipe or by using the optional Inductive Signal Clamp. It's the easiest and quickest way to applying a trace signal that is strong enough for tracing most lines. The trace signal generates an alternating magnetic field around the cable which induces a signal into the receiver's cable sensor. A sharp null in the audio signal between the two peaks occurs when the receiver's tip is directly over the cable.

Transmitter Conductive Mode
If an exposed section of a target gas or water pipe is accessible, conductive coupling is the most reliable method for applying the trace signal. This mode has to be used to apply both HF and LF frequencies so that you can use all three features on-the-fly. Providing a good electrical contact between the clip and the conductive portion of the target line by removing rust or paint before attaching the clip is very important.

Magnetic Locating Mode
Only the MAC-51Bx receiver is required when operating in the magnetic mode. Just set the Mode switch to MAG, the Gain control to mid-range, and you're ready to locate underground ferrous pipes, water meters, water valves, and property markers - or anything that has a magnetic field including the 50/60Hz electro-magnetic field generated by energized power lines.

Three Year Warranty
Two active frequencies for pipe, cable and line tracing
Passive operation for locating iron and steel targets and energized 50/60Hz power lines
Inductive and conductive signal coupling
Extra Heavy Duty Clips and Cable
Five discrete sensitivity settings
Receiver supplied with two environmentally friendly 9-volt lithium batteries
Piezoelectric speaker
45º Depth Measurement
Patented HeliFlux® Sensors

- Receiver -
Operating Voltage 9 V (2 alkaline or 2 lithium batteries)
Battery Life 60hrs, alkaline (on & off usage @ 70ºF)
120 hrs, lithium (on & off usage @ 70ºF)
Audio Output Approx. 40 Hz idling tone from speaker
Freuency of pulsing tone (increases or decreases) with signal intensity
Weight 2.64 lb. (1.20 kg.)
Operating Temp. -13oF to 140oF (-25oC to 60oC)
Overall Length 42.3 in. (107.4 cm.)
Waterproof Length 34.5 in. (87.6 cm.)
Nominal Sensor Spacing 20 in. (50.8 cm.)

- Transmitter -
Operating Voltage 12 V (8 alkaline C-Cell batteries)
Battery Life 60 hours (on & off usage @ 70ºF)
RF Output 82.5 kHz modulated at 382 Hz, pulsed at 4.4Hz
571 Hz Pulsed at 4.4 Hz
Audio Indicator 2.58 kHz pulsed at 4.4 Hz
Weight Approx. 5.5 lb. (2.5 kg.)
Operating Temp -13oF to 140ºF (-25ºC to 60ºC)
Overall Size 43.5 in. x 7 in. x 5 in.
(110.5 cm x 17.8 cm. x 12.7 cm.)




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