The NEILSEN CT2129 (Ref no. TH210) is a 3-in-1 stud center finding, metal, and AC live wire detector designed for various scanning tasks. This instruction manual provides comprehensive details on its specifications, important safety information, technical description, usage, and maintenance.
Function Description:
The device is a multi-functional scanner capable of detecting different types of objects behind surfaces. Its primary functions include:
- Stud Center Finding: Locates the center of wood and metal studs.
- Metal Detection: Identifies metal rebar and other metallic objects.
- AC Live Wire Detection: Detects live electrical wires, enhancing safety during work.
Important Technical Specifications:
- Detection Depth:
- Detects wood and metal studs up to 1-1/2" (38mm).
- Detects metal rebar up to 3" (76mm).
- Detects AC live wire up to 3" (76mm).
- Operating Conditions:
- Operating temperature / humidity: 0°C to 40°C.
- Power Supply:
- DC 9V (battery included).
- Safety Warning:
- Users are advised to wear approved safety glasses and ear defenders during operation.
Usage Features:
General Operating Tips:
- Tool Position: Always place the scanner flat against the surface before turning on power for proper use.
- Calibration: Place the unit flat on the wall, then press and hold the Scan button. Do not move the unit until calibration is complete (1-2 seconds). A short beep will sound, and the bars on the display will clear, indicating successful calibration.
- Operation: Move the unit slowly, keeping it flat against the wall. Avoid rocking or lifting the unit during scanning.
Mode Selection:
The device offers different scan modes to suit various detection needs:
- Stud Scan Modes:
- 1/2" Scan Mode: Scans through surfaces up to 1/2 inch thick.
- 1" Scan Mode: Scans through surfaces up to 1 inch thick.
- 1-1/2" Scan Mode: Scans through surfaces up to 1-1/2 inch thick.
- If the thickness of the scanning surface is unknown, it is recommended to start with 1-1/2" Scan Mode and then choose a more suitable mode to verify the center of studs.
- Metal Mode: Select this mode when scanning for metal pipes or rebar.
- AC Mode: Select this mode when scanning for electrical wires.
Scanning in Stud Mode:
- After calibrating, continue to hold the scan button and slowly slide the unit across the surface.
- As the unit approaches the edge of a stud, bars on the display will indicate proximity.
- Continue moving the scanner slowly until the display indicates the "EDGE" of the stud.
- Further movement will cause the audio signal and display to indicate the "CENTER" of the stud.
- Continue in the same direction to locate the other edge of the stud.
- Select the appropriate mode (Metal or AC).
- After calibrating, continue to hold the scan button and slowly slide the unit across the surface.
- Mark the spot where the display bars peak and a steady tone sounds.
- Continue in the same direction until the display bars reduce.
- Reverse direction and mark the spot where the display bars peak from that direction.
- The midpoint of these two marks represents the approximate center of the object.
AC Wire Warning (Continuous in All Modes):
- For safety, the AC Wire Warning feature operates continuously in all modes.
- When AC voltage is detected, a specific icon will be displayed on the screen.
- Caution: Wires deeper than 2 inches (51mm), in conduit, or behind plywood shear walls may not be detected. Extreme caution is advised under these circumstances or whenever hot AC wires are present. Always turn off power when working near electrical wires.
- Users should always verify the unit is in good working order before use by testing it in a known correctly wired socket or distribution board.
Technical Description (Components):
- The Center Pointing System
- Stud Mode Indication
- Metal Mode Indication
- AC Mode Indication
- AC Wire Warning
- 1/2" Scan Mode Indication
- 1" Scan Mode Indication
- 1-1/2" Scan Mode Indication
- Power Button
- Mode Button
- Scan Button
- Battery (located at the back of the unit)
Maintenance Features:
Changing the Battery:
- Press the battery door release down with a finger or a coin to remove the door.
- Connect a 9-V battery to the cable and place it inside the compartment.
- Replace the battery door and snap it shut.
Disposal:
- At the end of the machine's working life or when it can no longer be repaired, ensure it is disposed of according to national regulations.
- Contact your local authority for details of collection schemes in your area.
- Important: Do not dispose of this tool with domestic waste, and do not incinerate it.
- During decommissioning, certain hazards should be understood and avoided. The equipment should only be disassembled after the line pressure has been released.
- Read the instruction manual fully before attempting any operation.
- Understand how to safely start and stop the machine, especially in an emergency.
- Do not overload or misuse the tool. Tools are designed for specific purposes and have limitations. Overloading can lead to tool failure and user injury.
- Maintain tools correctly. A well-maintained tool performs safely. Replace any damaged or missing parts immediately with original manufacturer parts.
Explanation of Symbols:
- Warning Symbol (!): Indicates a warning.
- "First read manual" Symbol: Instructs the user to read the instruction manual first.
- "Eye + ear protection" Symbol: Advises wearing safety glasses and ear protection.
- "Insulating gloves" Symbol: Advises wearing insulating gloves.
The product is manufactured by Cannon Tools Limited, located at 20 Station Road, Rowley Regis, West Midlands, B65 0JU.U.K. It complies with the EC Declaration of Conformity, specifically the EC Directive of Electromagnetic Compatibility 2014/30/EU and harmonized standard EN 61326-1:2013. The declaration was issued on 2020-08-04. The product is made in China.
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