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)

Digital multimeter with connection to PC function (PC-Link). True RMS. Measurements: DC/AC Voltage up to 1000V, DC/AC Current 10A; Resistance up to 66MΩ; Capacity up to 66mF; Temperature -55°C...1000°C; Frequency up to 66kHz (line) /up to 66MHz (pulse) and Duty Cycle 1...99%. Features: Diode test; Continuity test, Min/Max and peak values measurements, Relative measurements.

RC-Meter, measurement of resistance up to 60 Ohms, capacitance up to 60mF, continuity test, auto turn-off, auto-scan mode.

Handheld digital multimeter. DC Voltage measurement Max Range: 1000V (±0.5%), AC Voltage measurement Max Range:  700V (±1.0%), DC Current measurement Max Range: 20.00A (±1.5%), AC Current measurement Max Range: 20.00A (±2.0%), Resistance measurement Max Range: 20.00MΩ (±1.2%), Capacitance measurement Max Range: 200.00μF (±4.0%), Frequency measurement Max Range: 20.00kHz (±1.5%), Temperature measurement Range: -20°C~+760°C/-4°F~+1400°F, Dimensions (H×WxD): 7.7x3.6x1.5in/195x92x38mm, Weight: 13.4oz/380g