Measuring apparatus, namely, measuring apparatus for measuring AC and DC voltage, AC and DC current, resistance, insulation, capacitance, frequency, electrical power, inductance, attenuation, amplification, conductivity, temperature, thermal imaging, humidity, moisture, air quality, water quality, pH value, light intensity, radiation, air velocity, water velocity, air pressure, air and gas and liquid flow, sound level, lengths, dimensions, material thickness, hardness, time, weight, speed, fi...