*Discontinued product - this page provided for information only*

AX2000 Proton Magnetometer

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Introduction

The main feature of the AX2000 Proton Magnetometer is the very high contrast graphical display set behind an attractive front panel, plus an integral membrane key pad with a tactile response. Of the 20 keys 10 are numeric, 4 are arrowed and the remainder are dedicated function keys. The electronics are housed in an ABS plastic enclosure from the same family as the AQUASCAN MC5 Proton Magnetometer, thus providing a high level of environmental protection, and a gimbal mount for ease of removal or adjustment of the display angle. Selecting the operating mode and individual settings, is by a sequence of menus that are easily accessed and selected via the keypad. A high degree of automatic selection through the software routines is also incorporated, particularly for initial input tuning optimisation - at the local ambient magnetic field strength, additionally the scales can be set in either linear or logarithmic modes to enhance the presentation of information.

                     AX2000ET with 60m Cable & Drum

Applications

Survey

Fullest range of professional and commercial applications are served by the variety of options available in the AX2000 Proton Magnetometer system :- including all types of archaeological and marine survey for anchors, cannon, cables, pipeline and general ferrous material.

Salvage

An essential tool for the professional salvor, providing an effective tool for the pinpointing of items for recovery - even when they have become deeply buried in silt and mud etc.

Diving

Offers a positive means of wreck location and in particular provides a powerful means to survey an extensive area of seabed when only an approximate position of a wreck is known . The magnetometer is the most successful tool in modern times for locating "virgin" wrecks.

Fishing

Wrecks abound with fish life, the AX2000 is the ideal tool for ease of relocating good wreck fishing marks and searching for new unfished wrecks, where the true potential to break existing fishing records exists.

Features

• LARGE LCD DISPLAY
• FLUORESCENT BACKLIGHT
• FULL NUMERIC KEYPAD
• DATA LOGGING
• GRAPHICAL TUNING
• PC/RS232 INTERFACING

System Description

The standard AX2000 Proton Magnetometer is a microprocessor controlled instrument consisting of an electronic module together with a solenoid type sensor (towfish), 40M (130ft) of cable and a light weight storage drum. Lengths of cable upto 60M(200ft) can be supplied with the standard solenoid or 150M (500ft) with the optional high powered version. Both of the above sensors are contained in durable housings. For parts of the world where the earth's magnetic field has a reduced angle of inclination the aquascan toroid sensor is recommended.
The AX2000 functions as a graphical display magnetometer with continuous data recording by means of internal memory storage, digital printer or direct PC interface ( baud rates are selectable). Positional information derived from accurate navigation source can also be correlated with the magnetometer readings to provide a comprehensive survey log. The system is intended to be offered as a standard or professional version with optional features such as monitoring towfish depth, increased datalogging facilities and on screen position plotting.

Specification

Dimensions

Cable - Diameter 8.0mm Arctic grade PVC
Length options from 40M-150M

Instrument Case

Housing 280x153x65mm
Overall length between gimbals 330mm
Bracket (Stainless Steel) 305x100x25mm

Solenoid Probe

Plastic pressure housing with moulded nose & tailfin array:
Standard 460mm(L) x 90mm(W) x 150mm
High power 700mm(L) x 90mm(W) x 150mm

Toroid Probe

Cast Polyurethethane sealed housing 300mm(L) x 180(W)
Polarisation time 0.5, 1, 2, 3 seconds

General

Power +12v @ 1.5amps +24v @ 2.5amps
Alarm settings OFF, 10, 20, 50 nT
Ranges LOG & LIN 0+/-50 thro to 0+/-5000nT

Area Tune Range

World 25000 to 65000 (nT)/W
European 40000 to 65000 (nT) / E
1nT in range 25000nT to 60000nT
2nT in range > 60000nT

Gradiometer Range

Indicates the difference between successive readings measurement display

Measurement Display

240x128 LCD Display with FL backlight

Input / Output

Serial communications port
2 Comms ports Standard
1 RS232 with variable Baud rate to 4800 Baud*
1 NMEA 0182/0183
*Professional version = 9600 Baud

AX2000P (Professional Version)

The professional version of the AX2000 Proton Magnetometer has essentially the same core electronics and display as the standard version but has additional electronic circuitry both in the Towfish and Display / control module to give the extended performance required by the professional survey operator. Major additions to the software have been implemented to give the extra sophistication required . Survey applications are further extended by the ability to operate in conjuntion with PC software.

• Depth of towfish display and datalogging.
• Depth of seabed datalogging from external NMEA source.
• Datalogging memory extended to give in excess of 16 hours storage.
• Gradient measurement of magnetic deviation, ie difference measurement between readings.
• Split Screen with position plotting grids togethether with magnetic graphs.
• Extended PC support software for viewing and post processing.
• Fully Opto-isolated dual bidirectional RS232 ports allow a mix of baud rates to 9600.

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