The Model 4020LT is a two-wire transmitter for use with CORROSOMETER probes. This version has been developed to meet the new stringent European specifications for CE and ATEX. The transmitter is well suited to plant locations with widely separated monitoring points for connection into a distributed control (DCS) system. The DCS system should however have the ability to graph the data against time, and be able to compute corrosion rate from metal loss from supplied algorithms. If a remote readout display is required for metal loss and rate, this is also available. The two-wire transmitter is supplied in a NEMA 4X enclosure, complete with a 5 foot probe cable. A 24VDC supply is typically required to power the loop via an approved intrinsic safety barrier. The unit provides isolation between the probe and 4-20mA circuits. The system is intrinsically safe to USA, Canadian and Europe and standard.
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