DBL15 - Diver & Borehole Detector

DBL15

The DBL15 is a survey unit in an IP67 case to connect and operate an FGM400/38 probe for diver’s underwater bomb search or for borehole surveys.

Overview

Sensor Technology:
Magnetometer
Application Type:
UXO Search

Description

The DBL15 comes with an intuitive user interface

DBL15 is a robust but very compact survey unit in an IP67 case to connect and operate an FGM400/38 probe. The IP67 case contains the main electronics to operate and acquire signals from the FGM400/38 probe. The total measurement range of the DBL15 is ±30,000 nT.

With a sensor cable of up to 150 meter, customer can realize typical offshore projects from big vessels where divers backing off the vessel several meters and dive down to 30 or 40 meters. In addition an internal battery with around 40 hours operation time can be ordered as an option to be autarkic from the vessels environment.

The intuitive user interface is taken over from the well established bomb locator SBL10 and offers all the known functions. These include the probe testing, compensation, choice of modes and sensitivity, audio level and power supply indication.

A rugged Windows Mobile PDA can be used via cable or radio connection to record the measurement values from the probe. Afterwards the data can be downloaded to a PC and processed using the SENSYS software MAGNETO®. All components can be stored safely in a IP65 swimable rugged case with handle and wheels. That will ease mobilization and demobilization.

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Specifications

General Technical Data
Power Supply (internal)Li-Ion battery1 with approx. 40 h operating time
Operating Temperature-20°C to +50°C
Operating Weight (without casing)1.7 kg
Dimensions (L x W x H) when folded215 x 275 x 110 mm
Measurement Configuration
Maximum measurement range±30,000 nT
Sensitivity levels9
DisplayAnalogue pointer with ±10 scale division
Resolution0.075 nT at 3 nT measurement range
FGM400/382
Maximum ambient field±75,000 nT
Specified measurement range±38,460 nT
Sensor Element Spacing400 mm
Point of reference378 mm3/4 mm4
Declination±3 nT
Resolution0.2 nT
Noise<40 pT/√Hz @ 1Hz
Cut off frequency (Bandwidth)20 Hz
Temperature drift<0.3 nT/K
Drift over timet.b.d.
Uncertainty of measurement1%5
Stability<1 nT
Linearity±4 nT / <0.01%"],["Compensation range",""],["Probe Diameter","35 mm"],["IP code","IP68 100m available"],["",""],["Standard accessories
Rugged case (L x W x H, empty weight)1,150 x 335 x 155 mm, 8.5 kg
Probe connector cable100 m length (others on request)
PeripheralsAudio cable (chinch), power plug
DocumentationCertificate, manual, quick guide
Optional accessories
External battery12V led gel battery
Audio cable (jack plug)Optional with increased audio level
Rugged PDA (optional with Bluetooth dongle)For borehole and single channel measurements
Head phoneCustomizable cable length
MAGNETO® SoftwareFor data processing
1 operating temperature during charging has to be within +5°C to +35°C
2 according DIN54145-1
3 measured from edge between head and tube
4 from the symmetry axis
5 calibrated

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