Cameras

Dual Scan

The GeoVISION^TM Dual-Scan camera is Allegheny Instruments most advanced camera. It has three independently controlled banks of high intensity LED lights and the ability to rotate 360°. The Dual-Scan’s state of the art video modules provide unparalleled video images in bores as small as 1-1/2″ (4 cm) in diameter and to depths of 2,000 feet (600 meters).

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Overview

The Dual Scan has a downview camera and a side view camera. The operator can toggle between either camera at any time, and use the joystick to rotate the view for a complete 360° scan of the borehole.

The Dual-Scan camera has standard NTSC resolution with an aspect ratio of 4:3. Illumination is provided by three banks of high intensity white LEDs which can be turned on or off from the surface. The Dual-Scan camera is rated for use up to 1,000 psi and can only be used with the Deluxe winch.

Specs

Physical

Video

Environment

Physical

Video

Environment

Models Dual Scan

Weight

3.5 pounds (1.59 kg)

Dimensions

27" long x 1-1/8" diameter (68.6 cm x 2.9 cm)

Standard Lens

2.45 mm Down-Looking, 2.97 mm Side-Looking

Aperture

F2.0

CCD

1/3" Sony Super HAD CCD II

Window Material

Sapphire

Video Format

NTSC

Aspect Ratio

4:3

Horizontal Resolution

550 Lines

Effective Pixels

768 Horizontal x 494 Vertical

Light Source

9-9-3 High Intensity White LEDs

Minimum Illumination

0.05 Lux.

Angle of View (in air)

~150° Down-Looking, ~130° Side-Looking

Operating Temperature

40° F ~ 122° F (-40° C~50° C)

Maximum Depth

2000 Feet Underwater (600 meters)

Maximum Pressure

1000 psi

Current Draw

190 mA

Exposure Control

Yes – Both Cameras