Tenmars manufactures professional environmental monitoring and test equipment, including sound level meters, light meters, EMF detectors, and temperature data loggers.
Tenmars Electronics Co., Ltd. is a Taiwan-based manufacturer specializing in high-quality test and measurement instruments since 1991. The company designs and produces a wide range of devices for environmental monitoring, industrial safety, and electrical testing.
Their product portfolio includes precision sound level meters, light and UV meters, electromagnetic field (EMF) testers, anemometers, and temperature/humidity data loggers. Widely used in laboratories, industrial facilities, and HVAC maintenance, Tenmars instruments are known for their durability, accuracy, and compliance with international standards.
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Visit the official Tenmars website and search for your specific model number (e.g., TM-306U). Product pages typically include a 'File Download' section where you can find PC software and drivers.
Most Tenmars sound level meters require a standard 94dB acoustic calibrator. Enter the calibration mode (usually by holding a specific button combo like 'Max/Min' and 'Power') and insert the microphone into the calibrator.
On devices like the TM-214 Tint Meter, an 'Err' message usually indicates that the transmitter and receiver units are not aligned properly or have been separated during measurement.
Tenmars generally warrants its meters to be free of defects in material or workmanship for a period of 12 months from the date of purchase.
Turn off the device and locate the battery cover on the rear. Remove the cover to replace the battery (typically a 9V battery for handheld meters), ensuring the polarity matches the markings inside the compartment.