23 Jul AC 110V 220V Digital Led Motor Speed Tachometer RPM 10-9999 Hall Meter Gauge
AC 110V 220V Digital Led Motor Speed Tachometer RPM 10-9999 Hall Meter Gauge Parameter Working power: AC 110V-230V Display : 0.56" Red LED , 4 - digits Measuring range: 10-9999 RPM Accuracy: ±0.1% , reading ±1 word Display refresh rate: >3 times/second Over measure range...