SDTC Tech 6V-30V 8A DC Motor Speed Controller 6V 12V 24V PWM Stepless Speed Control Switch Adjustable Driver Regulator with Duty Cycle LED Digital Display & Knob auspowers_batchfour Package Include: 2 PCS 1/4"

Package Include: 2 PCS 1/4" Female x 1/4" Female x 1/4" NPT Male Tee

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01 Lab PH Meter Pen Type pH Meter and 3-in-1 TDS Meter

Ratchet stop allows uniform pressure of spindle to the contact and enhance measurement repeatability

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SDTC Tech 6V-30V 8A DC Motor Speed Controller 6V 12V 24V PWM Stepless Speed Control Switch Adjustable Driver Regulator with Duty Cycle LED Digital Display & Knob auspowers_batchfour Package Include: 2 PCS 1/4"SDTC Tech 6V 30V 8A DC Motor Speed Controller 6V 12V 24V PWM Stepless Speed Control Switch Adjustable Driver Regulator with Duty Cycle LED Digital Display & Knob Name: DC 8A PWM Motor Speed ControllerWork Voltage: DC 6V 30VRated Current: 6AMax Current: 8ASpeed Range: 0% 100%PWM Frequency: 16kHzKnob Potentiometer: Resistance B100K, Length 20cm, Trepanning 8mmLED Display: 3 digit, "000" "100", (For example displayed "033", it means the PWM output duty