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The White's TDI SL (Surfmaster Dual Field) is a pulse induction (PI) metal detector designed for specialized use in challenging environments, particularly in areas with high mineralization or saltwater conditions. Here are some key features and specifications associated with the White's TDI SL metal detector:
Pulse Induction Technology: The TDI SL utilizes pulse induction technology, which is known for its ability to handle mineralized ground and challenging conditions. PI detectors are particularly effective in saltwater environments.
Operating Frequency: Pulse induction detectors do not operate at a specific frequency in the same way as VLF (Very Low Frequency) detectors. Instead, they send short pulses of magnetic fields into the ground, and the response is analyzed.
Waterproof Design: The TDI SL is designed to be waterproof, making it suitable for use in both freshwater and saltwater environments. This feature allows for beach and underwater metal detecting.
Control Box and Battery: The control box, which houses the electronics and controls, is typically mounted on the shaft. The TDI SL often uses a rechargeable battery system for power.
Adjustable Ground Balance: The detector typically features adjustable ground balance settings to help users handle different soil conditions and mineralization levels.
Audio Feedback: The TDI SL provides audio feedback, often in the form of different tones, to indicate the presence of metal targets. The audio response is an important tool for target identification.
Threshold Control: Users can adjust the threshold control to set the detector's baseline hum. Changes in the threshold tone can signal the presence of metal targets.
Sensitivity Controls: Adjustable sensitivity settings allow users to fine-tune the detector's performance based on ground conditions and the desired level of sensitivity.
Coil Options: The TDI SL may offer different coil options for specialized detecting needs. The choice of coil can impact the detector's depth and coverage.
All-Metal Mode: The detector often includes an All-Metal mode for maximum depth and sensitivity.
The White's TDI SL is favored by detectorists who need a specialized detector for challenging conditions, including saltwater beaches and highly mineralized soil. It is important for users to understand the unique characteristics and operating principles of pulse induction detectors for effective use. Always refer to the user manual for detailed instructions and guidelines on usage.