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GE Druck RTX 1000H
GE Druck RTX1000H Shown
|The RTX 1000H Series series provides a choice of user rangeable
pressure transmitters with HART® digital signal superimposed. Offering
turndowns up to 100:1 and ranging from 0.3 psi to20,000 psi, the RTX
1000 covers the widest range of gauge and absolute pressure applications
available on the market.
The RTX 1000H Series provides accuracy up to 0.075% including non-linearity, hysteresis and repeatability effects. This helps the user to achieve optimum process efficiency and ultimate product quality.
While Providing the optimum effiency , the RTX 1000H Series Zero/span push buttons and a simple configuration routine reduce user set-up and calibration time. A separate terminal on the terminal block allows ameter to be connected to check calibration without breaking into the 4-20mA loop.
The RTX 1000H extends the range to include a fully rangeable transmitter utilizing the industry standard HART® protocol. This provides enhanced performance and digital two-way communication. In addition, any span can be set within a 1:1 to 100:1 ratio of the pressure module upper range limit (URL).To adjust span, the RTX 1000 uses a simple set-up routine using push buttons located on the electronics board. When calibration is complete, a switch locks the push buttons out of the main circuit, eliminating this potential source of drift to ensure optimum long term operational stability.
At the heart of the instrument is a micro-machined silicon sensing element. Micro-machining defines the thickness and area of the silicon which forms the pressure sensitive diaphragm and a fully active four-arm strain gauge bridge is diffused into the appropriate regions. Silicon has excellent mechanical properties being perfectly elastic and free from hysteresis, and the ‘atomically’ diffused gauges provide high output signals and overload capabilities. The basic sensor is housed within a high integrity glass to metalseal, providing both electrical and physical isolation from the pressure media. The Hastelloy isolation diaphragm is electron beam welded to this seal and transmits applied pressure to the sensor via a silicone fluid filling.
The electronics assembly utilizes microprocessor technology to create a compact circuit with the minimum of components while producing an extremely stable signal unaffected by shifts in ambient temperature. User selectable switches provide direct access to damping adjustment, high or low failure alarm and write protection to inhibit any unauthorized change of instrument configuration. The electronics are enclosed in a compact and lightweight aluminum alloy housing which, in most cases, enables direct mounting to the process, eliminating the need for additional hardware. Alternatively, a stainless steel housing is available.
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