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EDS6-126 Datasheet(PDF) 1 Page - Fuji Electric |
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EDS6-126 Datasheet(HTML) 1 Page - Fuji Electric |
1 / 8 page FFI SYSTEM FFM…3 OPTICAL DIFFERENTIAL PRESSURE TRANSMITTER REMOTE SEAL TYPE DATA SHEET The Model FFM 3 Optical Differential Pressure Transmit- ter Remote Seal Type measures pressures of various fluids accurately, converts them into optical digital signals and outputs them. This is an intelligent transmitter providing excellent performance and functions due to incorporation of electrostatic capacitance type silicon sensor and micro- processor. A fiber optic cable used for the signal transmission line forms an optical field instrumentation system together with an optical star coupler and a master station. FEATURES 1. Resistive to noise and lightning Optical signal ensures a reliable signal transmission, be- cause it is not affected by external noise and inductive lightning. Use of a nonmetallic optical (fiber) cable pre- vents propagation of inductive lightning through the cable, so a signal transmission immune to lightning can be real- ized. 2. Reliability due to redundant configuration Host system can be duplicated by using two optical cable trunk lines (between an optical star coupler and host sys- tem). This enhances reliability of users’ systems. 3. Intrinsic safety type explosion-proof Each equipment with a built-in battery can be constructed so as to be an intrinsic safety type individually (intrinsic safety type barrier unnecessary). SPECIFICATIONS Functional specifications Fluids measured: Liquid, gas or steam Measuring range: Operating pressure: Up to the maximum value of operating pressure of flange. FFM □□3 FFM □□5 FFM □□6 32 130 500 32 130 500 -32 -130 -500 0.8 3.25 12.5 Type Span [kPa] Range limit [kPa] Minimum value Maximum value Lower range limit Upper range limit Process temperature, Allowable pressure limit: Fill-fluid Fluorolube oil Silicon oil 13th code digit W, A, D K Process temperature -20 to 120˚C -15 to 200˚C Allowable pressure limit Atmospheric pressure or higher Silicon oil H -15 to 250˚C Silicon oil J 85 to 300˚C Silicon oil Y, G -40 to 120˚C 2.7 kPa abs or higher See Fig. 1. Silicon oil S -15 to 250˚C Silicon oil T 85 to 300˚C 0.13 kPa abs or higher See Fig. 2. For small bores 40A, 50A, 1-1/2B, 2B: Self-diagnosis: Displayed on indication unit (option) and transmitted to master station. Remote control function: See Table 1. Output signal: Optical digital signal Power supply: Built-in lithium battery (expected life about 4 years) Item Host system Indication unit Measuring range abnormal ○○ Detecting unit failure ○○ Amplifier abnormal ○○ Battery voltage ○− Battery voltage low alarm ○○ Fill-fluid 13th code digit W, A, D Process temperature Allowable pressure limit H Y, G S Atmospheric pressure or higher 2.7 kPa abs or higher See Fig. 1. -20 to 120˚C Fluorolube oil Silicon oil Silicon oil Silicon oil 0 to 250˚C 0 to 250˚C -40 to 120˚C Date EDS6-126 May 20, 2004 |
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