September Sales

DROK promotional activities. You will get lower price but high quality units here, only for customers who comes to this website. 100% risk-free satisfaction guarantee – With this guarantee, you can buy with confidence. So hurry to “Buy Now” to get these units with perfect price.  Quality Promised and Satisfying …

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High Accuracy 4-20mA Digital Current Signal Generator

Simple knob operation, clear LED/LCD digital display, high accuracy output, DROK 4-20mA Current Signal Source Generator can be widely used in portable instruments and measuring and controlling system. Our multifunctional generators are quite qualified for analog signal output, simulation test, Calibration, transmitter, PLC analog module, Proportional valve, VFD speed control, …

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AC-DC Power Supply Module

AC input and DC output, DIY power supply module with protective Aluminum housing, it has a stable and accurate output. Every item is built with high quality working chip and high frequency low resistance filter capacitor. We select every small components to build this solid voltage converter.

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