+The Fitbit Charge 6 Wristband in Orange is an activity tracker designed for indoor and outdoor use. It provides measurements for heart rate, time, distance, and calories, with a battery life of up to 7 days. This model features Bluetooth connectivity, a rechargeable battery, and compatibility with smartphones. The wristband includes a pedometer, exercise log, calorie monitor, sleep tracker, and ECG heart rate monitoring. Ideal for gym workouts, swimming, and running, the Fitbit Charge 6 is a versatile fitness technology designed to track and improve your activities.2+. Open box. All sell is final
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Built-in accumulator counting, addition and subtraction counting, can recognize phase count. More than 10 kinds of relay action types are free to choose, and relay delay action and other functions. Can choose relay, collector open circuit output.
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eBay
This is a PULSE counter.
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Wireless Mbus mode: T1. Our pulse counter has two separate inputs and can count pulses with maximum frequency of 20 Hz. Transmission period is fixed to 1 minute and is calculated due to battery capacity.
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The 37-pin connectors are pin-compatible with the PCI-QUAD04 for upgrade/migration from a PCI bus, although software migration is required. High-speed pulse counter for general counting applications; multiple counting modes supported.
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techcomm Fitness Tracker-Y29.
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eBay