Digital Tachometer Non Contact Laser Photoelectric Tachometer Motor Tachometer Easy To Carry Sound Level Meters prevent the materials such as

prevent the materials such as volume tent

This kind of magnetismelectrictypeSpeed sensorThe interior of the sensor is made up of magnetoresistive elements、Sex magnet、It consists of DC amplifier and voltage regulator，It's a flux responsive sensor（The resistance varies with the flux），From ultra low speed to high speed（1 ～ 20000 r/min（60 P/R）），Square wave output。 magnetismelectrictypeSpeed sensorThere is a universal modelMP-981 And waterproofAP-981two types

the finished product structure is firm and the service life is long

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Digital Tachometer Non Contact Laser Photoelectric Tachometer Motor Tachometer Easy To Carry Sound Level Meters prevent the materials such asShips FREE Handling Day: 1 3 Days, Arriving Day: 15 35 Days[SHORTDESCRIPTION] DT 2234C+ Laser tachometer Partshost9VBatteryinstructionsLeather caseReflective paper 3strip (12mm*205mm)Display show implementposition18mm High resolution liquid crystal display show screenTest scope2. 5RPM~99,999RPM(turn minute)Branch Discrimination power0. 1RPM(turn minute)(2. 5~999. 9RPM)