KELVIN® Continuity Tester w/ Electric Buzzer Kit Don't be fooled by the low price - this is a real test instrument with Electric Buzzer and LED Light. When troubleshooting a circuit, this kit would be a great tool to test for continuity in a circuit. It has a LED light and built-in electric buzzer for... MSRP: Was: Now: $4.45 Add to Cart
KELVIN® Continuity Tester w/ Electric Buzzer Bulk Pack Bulk Pack of 20 - As Low As $3.95 Per Kit! Don't be fooled by the low price - this is a real test instrument with Electric Buzzer and LED Light. When troubleshooting a circuit, this kit would be a great tool to test for continuity in a circuit. It has a... MSRP: Was: Now: $79.00 Add to Cart
KELVIN® Continuity Tester w/ Electric Buzzer Assembled Demo Teacher demo unit is assembled and tested. When troubleshooting a circuit, this kit would be a great tool to test for continuity in a circuit. It has a LED light and built-in electric buzzer for a clear audible sound. PC board measures 1-1/2 x 1-1/2 in... MSRP: Was: Now: $59.95 Add to Cart
KELVIN® Dual Power Supply Kit This kit contains all parts necessary to build a dual adjustable power supply to power your projects. Outputs positive-negative voltages from +/-1.25 to +/-15VDC at 700mA per supply. MSRP: Was: Now: $23.95 Add to Cart
KELVIN® Dual Power Supply Assembled Demo This kit contains all parts necessary to build a dual adjustable power supply to power your projects. Outputs positive-negative voltages from +/-1.25 to +/-15VDC at 700mA per supply. Requires wall adapter, use 220136. Teacher Demo Unit, Assembled/Tested. MSRP: Was: Now: $79.95 Add to Cart
KELVIN® Function Generator Kit This function generator kit is a piece of test equipment for an electronic technician or hobbyist. Produces sine, triangle and square waveforms with frequency range between 100Hz to 100KHz. Also has an amplitude adjustment. Requires a 9V battery. MSRP: Was: Now: $24.95 Add to Cart
KELVIN® Function Generator Assembled Demo Real test equipment for an electronic technician or hobbyist. Produces sine, triangle and square waveforms with frequency range between 100Hz to 100KHz. Includes an amplitude adjustment. Requires a 9V battery. Teacher Demo Unit, Assembled/Tested. MSRP: Was: Now: $69.95 Add to Cart
KELVIN® Motor Speed Control Kit This kit uses Pulse-Width Modulation (PWM) to vary the speed of a DC motor from 0 to 100%. Can be used for any DC motors from 3 to 25 Volt with 3 Amp maximum current draw. It is ideal to control the speed of a fan, toy motor, model train and so on. MSRP: Was: Now: $15.95 Add to Cart
KELVIN® Motor Speed Control Bulk Pack Bulk Pack of 10 - As Low As $12.50 Per Kit! Use Pulse-Width Modulation (PWM) to vary the speed of a DC motor from 0 to 100%. Can be used for any DC motors from 3 to 25 Volt with 3 Amp maximum current draw. It is ideal to control the speed of a fan, toy... MSRP: Was: Now: $125.00 Add to Cart
KELVIN® Motor Speed Control Assembled Demo Use Pulse-Width Modulation (PWM) to vary the speed of a DC motor from 0 to 100%. Can be used for any DC motors from 3 to 25 Volt with 3 Amp maximum current draw. It is ideal to control the speed of a fan, toy motor, model train and so on. Teacher Demo... MSRP: Was: Now: $69.95 Add to Cart
