ZICO (Zico Tech) manufactures professional electronic test and measurement instruments, including digital multimeters, light meters, and soldering equipment.
ZICO (Zico Tech) is a provider of professional solutions in the field of electronic testing and measurement. The brand specializes in precision instruments designed for electricians, technicians, and industrial applications. Their product lineup includes a wide range of devices such as digital multimeters (DMMs) with mechanical protection, LED light meters, environmental meters, and soldering tools.
Focused on reliability and safety, ZICO instruments often feature robust designs compliant with international safety standards like EN61010-1 and CATII/CATIII ratings. Whether for measuring illuminance in lux/foot-candles or troubleshooting electrical circuits, ZICO products are built to deliver accurate data to professionals in manageable, user-friendly formats.
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'OL' stands for Over Limit or Over Range. This indicates that the measured value exceeds the range currently selected on the device. Switch to a higher range to get a reading.
Typically, you must turn the device off, disconnect all test leads, and remove the battery cover on the rear using a screwdriver. Replace the old battery (often 9V or AAA) observing correct polarity, and secure the cover before use.
Technical support and product information can be found on the official website at www.zicotech.com.