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Last Updated
03/31/2019
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Detailed entries for one subject from the INDEX TO HOW TO DO IT INFORMATION. |
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TACHOMETER sa DWELL METER/TACHOMETER xx AUTOMOBILE INSTRUMENT xx AUTOMOBILE TOOL Digital tachometer (0-9990 rpm) for your car also has a rapid-read analog display consisting of a curved line of 20 LEDs. Instructions included for adapting it for use as a speedometer. Est. cost: $75 (kit). The F/C meter. Measure frequency (1 Hz to 100 kHz) and capacitance (5 picofarad to 1 microfarad) over five ranges. Can also provide a frequency standard or be used as an oscilloscope calibrator, squarewave signal injector, a marker for audio-sweep generators, and a non-contact tachometer. Est. cost: $25 (kit). Combination gauge for a car is a miles-per-gallon indicator and tachometer in one. Low-cost automobile tachometer goes to 1600 rpm for 6-cylinder engines and 1200 rpm for 8-cylinder. Strobe tachometer uses a variable rate strobe light to "stop" rotating objects by dialing any speed from 125 to 3,000 rpm. Build an electronic tachometer for an automobile. Part 1. Build an electronic tachometer for an automobile. Part 2. Build an electronic tachometer for an automobile. Part 3. Build an electronic tachometer for an automobile. Part 4. Build an electronic tachometer for an automobile. Part 5. Build an electronic tachometer for an automobile. Part 6. Build an electronic tachometer for an automobile. Part 7. Build an electronic tachometer for an automobile. Part 8. Conclusion. Freeze motion with the laser scope. Measure rotational speed or view rotating objects in stop-action or slow motion using this laser light device. Integrated circuit tachometer and redline indicator. A red warning lamp turns on at some predetermined value of engine rpm. Automobile tachometers, how thy work and how to build one. Est. cost: $8. Electronic circuit for an automotive tachometer. Used on negative ground cars. Phototachometer can measure motor speed on 4 ranges from 1000 RPM to 30,000 RPM. Usable with any rotating object that can "chop" a light beam (such as a fan blade). Est. cost: $35. Digital autotach. This true-reading engine tachometer is suitable for permanent monitoring in your car. Dual peak/current anemometer displays both the current windspeed and the highest gust measured. May also be configured for use as a peak-reading speedometer or tachometer. Est. cost: $40. Digi-tach. A two-digit, solid-state, digital tachometer is used to monitor any car with a conventional ignition system. Phototach. Digital phototachometer is used for the precise measurement of the frequency of any periodically varying light source, either reflected or emitted. Portable, battery-powered unit will measure up to 19,999 revolutions-per-minute. Est. cost: $70. How to calibrate your aircraft tachometer. Horizon P-1000 Digital Tachometer. Tips on installation and use. Pocket tune-up tachometer has a full meter scale for 0 to 1,000 rpms. How to build a wireless tachometer for small-bore gasoline engines. Has two ranges, 0-5,000 and 0-10,000. Works by picking up the faint signal generated by the spark plug arcing. Mini modules: great fun for hobbyists. A look at a tachometer you can build using mini modules. How to test speedometers and tachometers for accuracy, replace them and maintain the cables and wiring. A simple circuit which will allow you to read model aircraft propeller speed on a frequency counter. Useful for engine testing and/or to check the calibration of your field tachometer. A bargraph tachometer for any automobile. Can be used with any 4-, 6-, or 8- cylinder engine. Will display a 0-to-8000-rpm range. Est. cost: $50. Digital measuring system. Build a highly accurate, low-cost 3-digit panel meter that serves as the basic building block for a wide range of speciality add-on function modules (digital multimeter, tachometer, thermometer, etc.). Digital tachometer module. Add-on module for the Digital Measuring System (August 1986). Displays engine rpm in cars, vans, and boats. Measures from 0 to 9999 rpm. Use with 4-, 6-, and 8-cylinder engines, both 2- and 4-stroke. Est. cost: $23. Photo-Pulser. A phototachometer adapter for frequency counters. Used to troubleshoot an infrared remote control receiver, determine rpm of a spinning shaft, etc. Est. cost: $30. Automobile tachometer works off breaker points. Low-cost, easy-to-make tester calibrates automobile tachometers under actual conditions without any other equipment. Solid-state automobile tachometer for capacitor discharge or transistor ignition system. Electronic tachometer. Use with any 4- ,6-, or 8-cylinder, 2- or 4-cycle engine having either a standard or transistorized negative ground ignition system. Est. cost: $6. Optical tachometer. Battery operated unit uses a beam of light to measure the rpm of a rotating object by simply pointing the unit at the rotating object. Est. cost: $19. Battery-powered photo tachometer measures up to 50,000 rpm without physical contact. Digital tachometer for car or boat. Measures RPM in thousands and hundreds. Can work with an engine of 2,3,4,6,8,12, or 16 cylinders that operates in the two- or four-cycle mode. Powered by any 6 to 24-volt negative ground electrical system. A look at basic electronic circuits found in tachometers. These are built around National Semiconductor IC's described as "tachometer-speed switches". Build a digital phototachometer which measures rotational speeds by optical coupling. Measures rotational speeds from 100 to 9,900 RPM. Est. cost: $30. Space-age electronic projects for boats. Part 2. Bilge-water alarm, a tachometer, and voltage-transient protection. Fun with analog tachometer circuits. How to design and use electronic circuits to measure the speed of a rotating shaft. Four electronic kits for your car. A look at two tachometers, a windshield wiper delay and an inverter/battery charger. Build an automobile tach to monitor your engine's RPM. Red, green and yellow LEDs indicate when you've reached the correct shifting points. Includes a template for making your own printed circuit board. Can also be ordered in kit form. Est. cost: $20. Wireless tachometer reads automobile engine rpm without any connections to the engine. Photoelectric tachometer measures rpm of most shop tools and household machines simply by aiming the probe at the spinning shaft and reading the rpm on a meter. Est. cost: $35. Audio tachometer for car or boat sounds an alarm when the motor reaches a preset rpm figure. Works with most engines from 2 to 8 cylinders and up to 8,000 rpm. Hand-held tachometer determines speeds of many rotating devices when held against rotating shaft. Est. cost: $10. Make a digital readout for your car. Works on 4, 6 or 8 cylinders, regular or electronic ignition. Building an audio tachometer to estimate airborne model engine speeds (RPMs) based on the average sound level (pitch) of the engine. Automotive or marine digital tachometer. Use it to measure the speed of 2- or 4-cycle automobile and marine engines having from 2 to 16 cylinders. Works with any 12 to 24 volt DC electrical system with a negative ground. The two-digit 7-segment LED display is multiplied by 100 to arrive at the RPM count. Simple circuit incorporating a DC motor is used to measure the rate of any rotating object. Use as a speedometer or tachometer. Convert your old calculator into a tachometer, light meter, or speedometer among other items. Using the "Kaltek" RC-103 module, along with common components and a simple calculator, to build an instrument to measure resistance, capacitance, temperature, RPM, length, or angles. May also be used as part of a stopwatch or light meter. Frequency counter for your Commodore C-64 computer. A simple program and a light pen convert your computer into a tachometer to measure the rotational speed of most objects. Digital tachometer for your car. Monitor your car's engine speed with digital accuracy and analog readability. Reads from 0 to 9990 RPM in increments of 10 RPM. Tips on attaching an older digital tachometer to an automobile with electronic igntion. Tip on checking the accuracy of your aircraft tachometer using a sodium or mercury vapor light and a piece of reflective tape. | |||||||||
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