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Function symbol Function name Set the range Function Description H1 Upper limit alarm setting 0 ~ 9999 Set over speed alarm. O is the upper limit alarm H2 Low alarm setting 0 ~ 9999 Set the bottom speed alarm, O is the lower limit alarmH3 Measuring speed unit 1 2 1: Speed per second 2: Speed per minute H4 Speed pulse quantity -999 --999 The number of sensing points per revolution. . Such as: a circle around a sensing point, set to 1 H5 Delayed alarm time 0 to 999.9 seconds Delayed alarm time after reaching the speed H6 Alarm time 0 to 999.9 seconds Alarm time after reaching the speed H7 Alarm mode 1 2 1: Over speed alarm, bottom speed end alarm 2: Over speed alarm, manual end alarm 1: The user can modify the parameters, all settings are not lost power loss, the setting range, please refer to the technical parameters. 2: When the measured value exceeds the set value, there will be an alarm and alarm control output. At this time, the measured value will flash and the instrument will continue to measure. 3: Out of range dis
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