The HH911T and HH912T models offer single or dual channel inputs and provide a 2000-hour battery life using three included AA batteries. Both models offer portable, reliable, and continuous measurement capability without the need for expensive batteries, AC adapters, or chargers. The innovative ergonomic design of these instruments makes them easy to read, handle, and clean. Designed for one-handed operation, these tools are easy to carry and use for extended periods.

 

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