Instruments for electrical measurments and any physical measurements
Project | Description |
---|---|
Surface Potential Meter November 27, 2021 | Surface potential meter to measure the electric potential of electrificated objects. |
Line Voltage Freqency Monitor January 24, 2021 | A simple measurement adapter for AC line voltage and frequency. |
AC Load Analyzer November 3, 2014 | Portable AC load analyzer. It can measure current, power, power factor, watt-hour and etc. of electric equipments. |
Power Inductor Checker February 26, 2013 | A simple power inductor checker to analyze inductance under baias current and core-saturation point. |
Thermocouple Temperature Meter June 30, 2012 | Poket sized thermocouple temperature meter with large LCD display. |
Battery Discharge Analyzer May 9, 2010 | Measures the discharge characteristics of the batteries. The output data can be expressed into a graph with a spreadsheet. |
Digital Dipmeter Oct 25, 2009 | Dipmeter (diposcillator) is a traditional measurement instrument for ham radio. It had been typically consist of vaccum tube and variable capacitor. This project rebuilds it with modern circuit and components. |
In-Circuit Conduction Tetster April 20, 2008 | This is an in-circuit conduction tester to check if the proto-board is wired correctly. It can test the conduction without an influence due to semiconductor parts on the circuit board. |
DDS Function Generator Mar 14, 2007 | A simple function generator based on DDS system. This is suitable to generate audio test signals. |
Radio Spectrum Monitor Oct 17, 2005 | This is an experimental project to analyze radio band in FFT. |
Lux Meter Aug 3, 2005 | This is a simple Lux Meter that is suitable for beginners. |
Capacitance Meter Mar 26, 2003 | Auto ranged capacitance meter. It can measure up to several 100µF in ninimum resolution of 0.1pF. |
Universal Counter Feb 14, 2003 | Typical frequency counter that built by electronics hobbiests. This counter can measure time periods and has communication interfase, so that I named this "Universal Counter". |
Port-Powered Temperture Meter Oct 30, 2002 | This is a four-channel temperature measurmet adapter that works without external power supply. It will suitable for measureing temperature and logging its data with a PC. |
Wave Captor 'SAKURA' May 31, 1999 | This is a digital osclloscope adapter which is attached to the serial port of PC, and insurated them with photo-isolater. It acquires at 8 bits, fixed 10k samples/sec. |
MAX038 Function Generator [ja] Jul 6, 1996 |
This document was published on "Transister Gijutsu, June 1999". This is a function generator that can generates 10Hz through 20MHz in six ranges. Analog output can select one of any wave forms, sine, triangle or square. TTL output can select 50% fixed duty or variable pulse width. |
In-Circuit Tester [ja] May 24, 1995 | This is an in-circuit tester that to check correctly wired. It can test a circuit board without be influenced by semiconductor parts. |
Logic Tester [ja] Apr 9, 1995 | This is a simple logic level tester with pulse strech capability. |
Revolution Meter Dec 10, 1994 | Revolution meter by measureing method of strobe synchronization. It can measure up to 100,000 rpm in two ranges. |