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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| 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 folded | 215 x 275 x 110 mm |
| Measurement Configuration | |
| Maximum measurement range | ±30,000 nT |
| Sensitivity levels | 9 |
| Display | Analogue pointer with ±10 scale division |
| Resolution | 0.075 nT at 3 nT measurement range |
| FGM400/382 | |
| Maximum ambient field | ±75,000 nT |
| Specified measurement range | ±38,460 nT |
| Sensor Element Spacing | 400 mm |
| Point of reference | 378 mm3/4 mm4 |
| Declination | ±3 nT |
| Resolution | 0.2 nT |
| Noise | <40 pT/√Hz @ 1Hz |
| Cut off frequency (Bandwidth) | 20 Hz |
| Temperature drift | <0.3 nT/K |
| Drift over time | t.b.d. |
| Uncertainty of measurement | 1%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 cable | 100 m length (others on request) |
| Peripherals | Audio cable (chinch), power plug |
| Documentation | Certificate, manual, quick guide |
| Optional accessories | |
| External battery | 12V 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 phone | Customizable cable length |
| MAGNETO® Software | For 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 |