DT-6236C / CEM เครื่องวัดความเร็วรอบ Digital Tachometer laser + contacting type.Store in memory Max / Min / Last valuethat can be displayed by turn at any time.
RPM10-NIST / Extech Photo/Contact Tachometer with Built-In InfraRed Thermometer with NIST Characters on display reverse direction depending on mode, Double molded housing.Complete with tips/wheel, four 1.5V AA ...
RPM10-NISTL / Extech Photo/Contact Tachometer with built-in InfraRed Thermometer Built-in IR thermometer with laser measures remote surface temperature on motors and rotating parts.