ZOTEK, also known as ZOYI, manufactures widespread digital multimeters, clamp meters, oscilloscopes, and voltage testers for professionals and DIY enthusiasts.
ZOTEK (often branded as ZOYI) is a leading manufacturer of electronic testing and measuring instruments. Specialized in producing handheld digital multimeters, oscilloscopes, and clamp meters, ZOTEK provides reliable tools for electricians, technicians, and hobbyists worldwide.
Key products include the ZT series of digital multimeters, which feature True RMS capabilities, auto-ranging, and large backlit displays. The company is dedicated to innovation in portable measurement technology, ensuring safety and precision in electrical testing.
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Turn off the product and remove all test leads. Loosen the screws on the back cover to remove the battery door and back case. Replace the blown fuse with a new one of the same type and rating, then reassemble using the screws.
NCV stands for Non-Contact Voltage. When switched to this mode, the device can detect the presence of AC voltage by placing the sensor tip near a wire or outlet without making direct metallic contact.
Inaccurate readings are often caused by a low battery. If the low battery indicator appears on the LCD, replace the batteries immediately. Also, ensure you are using the correct mode and range for your measurement.
Press the REL (or Δ) button to store the current reading as a reference valye. The display will zero out, and subsequent readings will show the difference (relative value) from the stored reference.