Package content: 1pc digital electronice meter counter 1pc 300ppr rotary encoder 1pc wheel 1pc mounting bracket Product Performance And Characteristics A. Each revolution of the wheel, the encoder output of 300 pulses. B. You can set the value of early warning. C. This controller has a relay output. The controller can control the device to stop, start. D. The working voltage 110-220V（US PLUG）.
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