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GeoVISION™ Borehole Video Systems



The GeoVISION™ Dual-Scan camera is Allegheny Instruments most advanced camera ever. It has three independently controlled banks of high intensity LED lights and the ability to rotate more than 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 up to 2,000 feet (600 meters) deep.

The Dual-Scan camera is actually two cameras in one. One camera continually looks down while the second camera scans the bore wall. The two cameras can be rotated from the surface using a joystick; this feature provides an uninterrupted 360° pan of both cameras simultaneously.

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 be used with the Deluxe winch.

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
Angle of View (in air) ~150° Down-Looking, ~130° Side-Looking
Aperture F2.0
CCD 1/3" Sony Super HAD CCD II
Video Format NTSC
Aspect Ratio 4:3
Horizontal Resolution 550 Lines
Effective Pixels 768 Horizontal x 494 Vertical
Minimum Illumination 0.05 Lux.
Operating Temperature -40° F ~ 122° F (-40° C~50° C)
Light Source 9-9-3 High Intensity White LEDs
Maximum Depth 2000 Feet Underwater (600 meters)
Maximum Pressure 1000 psi
Current Draw 190 mA
Window Material Sapphire
Exposure Control Yes – Both Cameras

Additional Lights

  • Auxiliary Single Light
  • Auxiliary Fixed Eight Light
  • Auxiliary Adjustable Eight Light

Camera Mounted Options

  • Compass
Products Notes
Winch Deluxe
Cable Length
325 feet (100 meters) Deluxe winch
650 feet (200 meters) Deluxe winch
1,000 feet (300 meters) Deluxe winch
1,650 feet (500 meters) Deluxe winch
2,000 feet (600 meters) Deluxe winch

The GeoVISION Nano camera is the smallest diameter production borehole video inspection camera made today. The Nano camera is a mere 3/4 inch (2 cm) in diameter and is designed for use in boreholes as small as one inch (2.5 cm) in diameter and at depths up to 2000 feet (600 meters).

The Nano camera has standard NTSC resolution with an aspect ratio of 4:3. Illumination is provided by six high intensity white LEDs. The Nano camera is rated for use up to 1,000 psi and can be used with Light-Duty, Heavy-Duty and Deluxe winches.

The Nano camera can also be used with the Nano Rotating Mirror to allow a side scan of the bore wall. The Nano Rotating Mirror can be set to rotate continuously or to rotate approximately 20°, pause for a few seconds and then continue rotating. The pause in rotation allows maximum resolution for recording the video image.

Weight 10.1 Ounces (286 g)
Dimensions 10-1/4" long x 3/4" diameter (26 cm x 2 cm)
Standard Lens 2.97 mm
Angle of View (in air) ~130°
Aperture F2.0
CCD 1/3" Sony Super HAD CCD II
Video Format NTSC
Horizontal Resolution 550 Lines
Effective Pixels 768 Horizontal x 494 Vertical
Minimum Illumination 0.05 Lux.
Operating Temperature -40° F ~ 122° F (-40° C~50° C)
Light Source 6 High Intensity White LEDs
Maximum Depth 2000 Feet Underwater (600 meters)
Maximum Pressure 1000 psi
Current Draw 190 mA
Window Material Sapphire
Exposure Control No

Additional Lights

  • Auxiliary Single Light
  • Auxiliary Fixed Eight Light
  • Auxiliary Adjustable Eight Light

Camera Mounted Options

  • Nano Rotating Mirror
Products Notes
Winch Deluxe, Heavy-Duty, Light-Duty
Cable Length
325 feet (100 meters) Deluxe, Heavy-Duty or Light-Duty winch.
650 feet (200 meters) Deluxe or Heavy-Duty winch.
1,000 feet (300 meters) Deluxe or Heavy-Duty winch.
1,650 feet (500 meters) Deluxe winch
2,000 feet (600 meters) Deluxe winch

The GeoVISION™ Pan-Tilt Control is designed to rotate and tilt Standard Stainless Steel and Standard Plastic cameras. Using a Pan-Tilt Control, these cameras can be rotated 360-degrees and can tilt from looking straight down, to looking back up the bore. Camera manipulation is controlled using the joystick on a Deluxe winch.

The Pan-Tilt Control also allows the Standard Stainless Steel camera to be switched into Center Exposure mode. In Center Exposure mode, the camera sets the exposure based only on the center of the image. This is useful when looking through a small opening into a larger void.

The Pan-Tilt Control can be operated to depths of 2,000 feet (600 meters) and must be used with a Deluxe winch and either a Standard Stainless Steel or Standard Plastic camera.

Weight 2.5 lbs. (1 kg)
Diameter 1.75 inche (4.5 cm)
Length 30 inches (76 cm)
Maximum Depth 2,000 feet (600 meters)
  • Auxiliary Single Light
  • Auxiliary Double Light
  • Auxiliary Fixed Eight Light
  • Auxiliary Adjustable Eight Light
Products Notes
Deluxe Winch Any length cable
Standard Stainless Steel Camera To 2,000 feet (600 meters)
Standard Plastic Camera To 1,000 feet (300 meters)

The Standard Stainless Steel camera is the workhorse of the GeoVISIONTM line of cameras. Standard Stainless Steel cameras come in both color and black & white. These cameras are extremely rugged and designed for use in two-inch (5 cm) and larger diameter bores, up to 2,000 feet (600 meters) deep. They can be used alone, or mounted on a Pan-Tilt Control for easy joystick manipulation.

The Standard Stainless Steel cameras have standard NTSC resolution with an aspect ratio of 4:3. Illumination is provided by eight high intensity white LEDs. The LEDs can be turned on or off unless the camera is used with a Light-Duty winch, in which case the LEDs are always on. Standard Stainless Steel cameras are rated for use up to 1,000 psi and can be used with Light-Duty, Heavy-Duty and Deluxe winches.

Standard Stainless Steel cameras have a mounting screw near the front of the camera for attaching accessories such as a side-looking mirror or a ball compass. In shallow wells, these cameras can be connected to a pipe-string providing an economical way to pan and tilt the camera from the surface.

When mounted on a Pan-Tilt Control, the Color Standard Stainless Steel camera has the added ability to adjust the exposure to the center of the screen rather than the entire screen. This allows the camera to look through holes in the bore wall and properly expose what lies beyond.

Standard Stainless Steel Color Camera

Weight 12 Ounces (340 g)
Dimensions 2-7/8" long x 1-5/8" diameter (7.3 cm x 4.1 cm)
Standard Lens 2.45 mm
Angle of View (in air) ~150°
Aperture F2.0
CCD 1/3" Sony Super HAD CCD II
Video Format NTSC
Horizontal Resolution 550 Lines
Effective Pixels 768 Horizontal x 494 Vertical
Minimum Illumination 0.05 Lux.
Operating Temperature -40° F ~ 122° F (-40° C~50° C)
Light Source 8 High Intensity White LEDs
Maximum Depth 2000 Feet Underwater (600 meters)
Maximum Pressure 1000 psi
Current Draw 190 mA
Window Material Sapphire
Exposure Control Yes – When mounted on a Pan-Tilt Control

Standard Stainless Steel Black & White Camera

Weight 4.5 Ounces
Dimensions 3-3/8" long x 1-5/8" diameter (8.6 cm x 4.1 cm)
Standard Lens 3.6 mm
Angle of View (in air) ~92°
Aperture F2.0
CCD 1/3" Sony Super HAD CCD II
Video Format NTSC
Horizontal Resolution 420 Lines
Effective Pixels 510 Horizontal x 492 Vertical
Minimum Illumination 0.0003 Lux.
Operating Temperature -40° F ~ 122° F (-40° C~50° C)
Light Source 8 High Intensity White LEDs
Maximum Depth 2000 Feet Underwater (600 meters)
Maximum Pressure 1000 psi
Current Draw 160 mA
Window Material Sapphire
Exposure Control No

Additional Lights

  • Auxiliary Single Light
  • Auxiliary Double Light
  • Auxiliary Fixed Eight Light
  • Auxiliary Adjustable Eight Light

Camera Mounted Options

  • Pan-Tilt Control
  • Compass
  • Fixed Mirror
Products Notes
Winch
Deluxe Camera lights can be turned on or off. Exposure can be controlled when used with a Pan-Tilt Control.
Heavy-Duty Camera lights can be turned on or off.
Light-Duty Camera lights cannot be turned off.
Cable Length
325 feet (100 meters) Deluxe, Heavy-Duty or Light-Duty winch.
650 feet (200 meters) Deluxe or Heavy-Duty winch.
1,000 feet (300 meters) Deluxe or Heavy-Duty winch.
1,650 feet (500 meters) Deluxe winch
2,000 feet (600 meters) Deluxe winch

The GeoVISION Standard Plastic Color and Black & White cameras are a great economical choice when the conditions are right. Standard Plastic cameras are designed for use in two-inch (5 cm) and larger diameter bores, up to 1,000 feet (300 meters) deep. These cameras are more sensitive to heat than Standard Stainless Steel cameras, and cannot be stored or operated in environments hotter than 110° F (43° C). They can be used alone, or mounted on a Pan-Tilt Control for easy joystick manipulation.

The Standard Plastic cameras have standard NTSC resolution with an aspect ratio of 4:3. Illumination is provided by eight high intensity white LEDs. Standard Plastic cameras are rated for use up to 500 psi and can be used with Light-Duty, Heavy-Duty and Deluxe winches.

Standard Plastic cameras have a mounting screw near the front of the camera for attaching accessories such as a side-looking mirror or a ball compass. In shallow wells, these cameras can be connected to a pipe-string providing an economical way to pan and tilt the camera from the surface.

Standard Plastic Color Camera

Weight 4.5 Ounces
Dimensions 3-3/8" long x 1-5/8" diameter (8.6 cm x 4.1 cm)
Standard Lens 2.97 mm
Angle of View (in air) ~130°
Aperture F2.0
CCD 1/3" Sony Super HAD CCD II
Video Format NTSC
Horizontal Resolution 550 Lines
Effective Pixels 768 Horizontal x 494 Vertical
Minimum Illumination 0.05 Lux.
Operating Temperature -40° F ~ 122° F (-40° C~50° C)
Light Source 8 High Intensity White LEDs
Maximum Depth 1000 Feet Underwater (300 meters)
Maximum Pressure 500 psi
Current Draw 120 mA
Window Material Glass
Exposure Control No

Standard Plastic Black and White Camera

Weight 4.5 Ounces
Dimensions 3-3/8" long x 1-5/8" diameter (8.6 cm x 4.1 cm)
Standard Lens 3.6 mm
Angle of View (in air) ~92°
Aperture F2.0
CCD 1/3" Sony Super HAD CCD II
Video Format NTSC
Aspect Ratio 4:3
Horizontal Resolution 420 Lines
Effective Pixels 510 Horizontal x 492 Vertical
Minimum Illumination 0.0003 Lux.
Operating Temperature -40° F ~ 110° F (-40° C~43° C)
Light Source 8 High Intensity White LEDs
Maximum Depth 1000 Feet Underwater (300 meters)
Maximum Pressure 500 psi
Current Draw 160 mA
Window Material Glass
Exposure Control No

Additional Lights

  • Auxiliary Single Light
  • Auxiliary Double Light
  • Auxiliary Fixed Eight Light
  • Auxiliary Adjustable Eight Light

Camera Mounted Options

  • Compass
  • Fixed Mirror
Products Notes
Winch
Deluxe Maximum cable length is 1,000 feet (300 meters)
Heavy-Duty
Light-Duty
Cable Length
325 feet (100 meters) Deluxe, Heavy-Duty or Light-Duty winch.
650 feet (200 meters) Deluxe or Heavy-Duty winch.
1,000 feet (300 meters) Deluxe or Heavy-Duty winch.

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