Professional Instruments under $100

AC Current Max Range: 1000A±(2.5%+8digits); DC Current Max Range: 1000A±(2.8%+8digits); DC Voltage Max Range: 600.0V±(1.5%+3digits); AC Voltage Max Range: 600V±(1.8%+5digits); Resistance Max Range: 66.0MΩ±(3.5%+5digits); Frequency Max Range: 30Hz to 15kHz ±(1.2%reading+2digits); Duty Cycle 10.0 to 94.9% ±(1.2%reading+2digits)

Handheld digital multimeter. Measurement: DCV, ACV, DCA, ACA, Resistance, Capacitance, Frequency, Temperature, Diode, Continuity beeper. A/D counts no.: 4000 counts. Range selection: auto range with manual range selecting. Data output: RS232 PC serial interface, photo couple. Zero adjustment: automatic. Sampling time: approx. 0.5 to 1 second. Operating temperature: 0°C to 50°C (32°F to 122°F). Operating humidity: Max. 80%RH. Power supply: 1.5V battery x 2 PCs UM-4/AAA/Micro/R03 type. Power consumption: approx. DC 2.5mA