9 Instruments for measuring electricity, weight temperature, humidity, moisture, air flow, light and sound, namely, electrical instruments in the nature of clamp meters for measuring electricity, in particular, electrical A/C or D/C amperes, capacitance, voltage, frequency and ohms; digital and analog ampere clamps in the nature of current transformers; digital and analog electric multi-testers in the nature of circuit testers; circuit continuity testers; digital weight scales; digital and analog thermometers not for medical purposes; digital psychrometers, digital temperature, moisture, and humidity measuring instruments in the nature of measuring apparatuses for measuring temperature, moisture, and humidity, not for medical use; digital panel meters for measuring temperature, moisture, and humidity in the nature of an electronic instrument that displays an input signal in a digital form for measuring temperature, moisture, and humidity, not for medical use; digital anemometers; analog and digital light meters; analog and digital sound level meters; digital timers