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Velleman DVM821 Information The Velleman DVM821 is a digital multimeter that is designed for basic electrical measurements. It has a CAT II 500V / CAT III 300V rating, making it safe to use on most electrical circuits. The multimeter has a 19-range display, with a maximum reading of 1999 counts. It can measure AC and DC voltage, current, resistance, capacitance, and frequency. The DVM821 also has a diode test function and a continuity checker. Image of Velleman DVM821 multimeter Specifications

Uni-T UT511 Information The Uni-T UT511 is an insulation resistance tester that is used to measure the insulation resistance of electrical equipment. It can measure insulation resistance up to 1000V AC or DC, and has a variety of features that make it a versatile and powerful tool for electrical testing. Introduction The UT511 is a portable, handheld device that is easy to use. It has a large LCD display with a bargraph, making it easy to read the measurement results. The meter also has a number of features that make it ideal for electrical testing, including: