FREQUENCY TRANSMITTER

Model : Preview 5531 4-digit LCD Display 48 x 96 mm Loop-powered Easy scalable from front keys Backlight Standard and ATEX Ex version IP65 enclosure from front Description :The PReview 5531 indicator is ideal for local readout of 4...20 mA current signals scaled directly in process units. PReview does not need any external power supply as the indicator is powered by the 4...20 mA loop signal.The Ex version 5531B can be used in hazardous areas classified as zone 0, 1, or 2. ? 5531B1 includes an Ex field enclosure suitable for use in zones 2 and 22 without the need for a barrier. ? 5531B2 includes an Ex field enclosure for use in zones 1, 2, 21, or 22.