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Extech 407510 Information Introduction The Extech 407510 is a heavy-duty dissolved oxygen meter with a built-in RS-232 PC interface. It features a large 1.4" (36mm) LCD display, dual readout of oxygen concentration and temperature, and min/max/avg, data hold, and auto power off functions. The meter also has automatic temperature compensation and is water resistant to IP67. Image

Extech VB400 Information The Extech VB400 Pen Vibration Meter is a handheld device that measures RMS (Root Mean Square) acceleration and velocity of rotating machinery. It has a wide frequency range of 10 Hz to 1 kHz and a basic accuracy of ± (5% + 2 digits). The VB400 is also water and dust resistant to IP65, making it suitable for use in harsh environments. Introduction The VB400 is a versatile tool that can be used to measure vibration in a variety of applications, including: