General Specifications GD402 GD40 Gas Density Meter
●Overview
■The Gas Density Meter consists of gas density converter GD402 and gas density detector GD40.
■The Model GD402 gas density converter and Model GD40 detector not only provide continuous measurement of gas density, but also several other valuable parameters, including specific gravity and molecular weight. The GD40 detector is designed for intrinsically safe and explosion-proof, explosion protected applications. It is designed to be virtually maintenance free for all accepted applications.
■The Model GD402 is a rugged microprocessor-based converter designed in two versions to meet both general area and explosion-proof application requirements. In addition to the display of several key data items, the converter also provides the choice of three different means for calibration: automatic; semi-automatic and one-touch manual operation.
●Features
■Proven design
▲Highly responsive and sensitive measurement of density. Specific gravity, molecular weight and gas concentration can also be displayed using Yokogawa's gas density analyzing techniques.
■Detector features
▲Resistant to external vibrations.
▲Outstanding stability against sudden changes in gas temperature.
▲The multi-mode self-oscillation circuit minimizes drift caused by the sensor itself or by oil mist, dust, moisture, etc. sticking to the sensor.
▲Easy cleaning and regeneration of sensor. Should the sensor be contaminated with dust and/or mist, then it can be easily cleaned and returned to its original condition.
▲Only routine maintenance is required. (for example, once per 3 months depending on application.)
■Simple, user-friendly interface
▲Configuration can be performed locally via the front panel or remotely by using the (optional) "Brain" terminal.
■Low installation cost
▲Both explosion-proof and general purpose converters are designed for easy mounting on a pipe. Wiring between the detector and converter is based on a two-wire system, keeping installation cost to a minimum.
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GD402 、 GD40 、 GD402G 、 GD402T 、 GD402V 、 GD402R 、 GD40G 、 GD40R 、 GD40T 、 GD40V 、 BT200 、 GDW 、 Length 、 GD40(-E) 、 EJAF(T) 、 GD40R -J 、 EJAJ1(T) |
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Datasheet |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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Dec. 2016 |
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GS 11T3E1-01E |
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1.2 MB |
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