KELVIN® Fiber Optic Alarm Chain Bulk Pack Bulk Pack of 10 - As Low As $24.50 Per Kit! Design, Build and Test a Structure Wrap the fiber optic cord around a valuable possession. If the cord is cut, the relay will trigger your alarm circuitry (not included). The alarm can be de-activated or reset... MSRP: Was: Now: $245.00 Add to Cart
KELVIN® Continuity Tester w/ LED Light Bulk Pack Bulk Pack of 20 - As Low As $2.95 Per Kit! Don't be fooled by the low price - this is a real test instrument with LED light only. When troubleshooting a circuit, this kit would be a great tool to test for continuity in a circuit. Requires a 9 V DC... MSRP: Was: Now: $88.50 Add to Cart
KELVIN® Continuity Tester w/ LED Light & Mechanical Buzzer Bulk Pack Bulk Pack of 20 - As Low As $4.95 Per Kit! Don't be fooled by the low price - this is a real test instrument with Mechanical Buzzer and LED Light. When troubleshooting a circuit, this kit would be a great tool to test for continuity in a circuit. It has... MSRP: Was: Now: $99.00 Add to Cart
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
