Rangeable Pressure Transmitters now include 2-wire analogue and Hart variants, turndown capability of <100:1. GE Druck announce a newly expanded series of rangeable pressure transmitters, for applications where traditional 4-20mA 2-wire loop or Smart/HART digital communications are required. A turndown capability of 100:1 also allows extreme user ranging versatility. For example, a 70 bar range can be adjusted to provide a full span 4-20mA output for any intermediate setting down to 700mbar, with reliable and stable performance. Based upon the companies widely proven micromachined silicon sensor, the new RTX 1000 series now comprises the RTX1000 A (Analogue 4-20mA) and RTX 1000 H (HART digital signal superimposed). With ranges from 20mbar up to 1400 bar, accuracy to 0.075%, choice of aluminium/stainless housing and Hazardous Area approvals, the RTX 1000 series provides a high performance yet cost effective solution for many industrial applications. The 2 wire transmitter electrical interface includes NAMUR NE43 standard compliant diagnostics usually associated with premium cost/performance devices: overpressure, underpressure or failure conditions are indicated by a pre-defined signal level. User defined output span is also quickly configured via a simple pushbutton set-up routine. The compact and lightweight housing enables, in most cases, direct mounting to the process itself, eliminating the need for additional hardware. Also, the choice of direct process connections now includes male or female ½" BSP and ½" NPT connectors and an integral Hastelloy isolation diaphragm ensures full media compatibility in hostile applications. For use in Hazardous Areas, the RTX 1000 meets international safety standards with the latest ATEX type approvals. It can be supplied Intrinsically Safe to EEx ia IIC T5, Flameproof to EEx d IIC T5 or with type N certification to EEx N IIC T4 (Ta = 85°). A wide range of related accessories and options include a 5-digit LCD/full graphics display, 2 inch pipe/panel mounting brackets, manifold valves, remote diaphragm seals with both flanged and hygienic connections. ________________________________________________ GE Druck Ltd.
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March 2003
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