HANMATEK manufactures affordable precision test and measurement instruments, including digital oscilloscopes, DC power supplies, multimeters, soldering stations, and stud finders for DIY enthusiasts and professionals.
HANMATEK is a manufacturer of electronic test and measurement equipment, widely recognized for providing cost-effective solutions for hobbyists, students, and field technicians. The brand's diverse product portfolio includes digital multimeters, handheld oscilloscopes, programmable DC electrical power supplies, and soldering stations designed for electronics repair and development.
Beyond benchtop electronics tools, HANMATEK produces a range of home improvement and construction measuring devices. These include digital laser distance meters and multi-function stud finders capable of detecting wood, metal, and live AC wires helping users handle renovation projects safely. Headquartered in Shenzhen, the company focuses on delivering reliable accuracy and user-friendly interfaces across its global product line.
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For most models like the SF1 or SF4, place the device flat against the wall where you know there are no studs. Press and hold the scan button until the device beeps and the green light illuminates, indicating calibration is complete. Do not move the device during this process.
On models such as the DT50, long-press the Unit button to cycle through meters (m), feet (ft), inches (in), and feet+inches.
The SF4 is a multi-function scanner that can detect wood studs, metal (ferrous and non-ferrous), and live AC electrical wires behind drywall.
Press the voltage adjustment knob to select the digit you wish to change, rotate the knob to set the desired value, and ensure the output button is turned on. The C.V. indicator will light up when operating in constant voltage mode.