?mounting method : ?liquid pressure : ?meter size and measurement range mounted via flange insertion type on oppo- site (wafer type) (with guide rings) ?2.5 to 200a note 1) guide ring : a ring-shaped guide used for centering the sensor when a wa- ter type is mounted on the piping. or flange mounting ?6 to 300a note 2) flange with meter size 2.5a or 6a can be used for 15a. -100 to 2000kpa or flange operating measuring range is equivalent to flow ve- locity 0.1 to 15m/s. sensor ?measurement item : ?structure : general-use industrial water, tap-water, sewage, waste water, chemicals slurry, and other liquids with conductivity of more than 3 s/cm. wafer type or flange type data sheet fma1, 2 integral type electromagnetic flowmeter features specifications note) meter size 2.5a: wafer type only 2.5a note 3) 0 to 0.00177 0 to 0.265 6a 0 to 0.0102 0 to 1.52 15a 0 to 0.0637 0 to 9.54 25a 0 to 0.177 0 to 26.5 40a 0 to 0.453 0 to 67.8 50a 0 to 0.707 0 to 106 80a 0 to 1.81 0 to 271 100a 0 to 2.83 0 to 424 150a 0 to 6.37 0 to 954 200a 0 to 11.3 0 to 1696 250a 0 to 17.7 0 to 2650 300a 0 to 25.5 0 to 3817 meter size min.measurement range [m 3 /h] max. measurement range [m 3 /h] the electromagnetic flowmeter is an instrument to measure the volumetric flow rate of liquid simply by applying a mag- netic field from the outside utilizing the fact that an electric conductor which crosses a magnetic field at a certain velocity causes voltage to be induced in proportion to the velocity, which is known as faraday? law. this flowmeter is designed with the latest electronics tech- nology and magnetic/electric field analyzing technology, real- izing a compact and light-weight structure and measurement with high accuracy. 1. high accuracy the adoption of the optimum magnetic field design using the 3-dimentional finite element method has minimized the effects of flow velocity profile and materials of adja- cent piping. at flow velocity of more than 1m/sfs,the measurement accuracy is as high as 0.5% of indicatedvalue when the flow is above 20%fs. 2. wide range measurement range: 0 to 0.1 ... 15m/sec in flow velocity 3. high-reliability structure the converter case is a sealed 2-chamber structure, practi- cally free from dew condensation and sudden submer- gence. the adoption of stainless housing assures excel- lent anti-environment efficiency. 4. easy-to-see display lcd with back-light allows easy check of display even in a dark place. instantaneous flow and integral volmetric flow are displayed at the same time. 5. free power supply the flowmeter operates on power supply 100 to 240v ac, 50/60 hz, eliminating the need for selection of power volt- age. 6. application of international standards the overall length of flange type flowmeter conforms with iso draft standards. (meter size : 6a-200a) date EDS6-69B oct. 29, 2001
2 fma1, 2 integration display : fault diagnosis turction : zero point adjustment : output low cut : integration low cut : 0% signal lock : slurry noise cut : empty detection : flow switch : dumping time constant : converter case : arrester : wiring connection port : painting : structure : grounding : integrated volumetric flow can be displayed by setting the unit of cubic volume. dis- played cubic volume; m 3 , l, ml various faults can be diagnosed by hard- ware check and process check. zero point is automatically calibrated with one-push operation. 0 to 10% fs momentary output can be cut to 0% at flow rate below the set cutoff point. 0 to 10% fs integration of display and output are pre- vented at flow rate below the set cutoff point. display and output can be locked to 0% with status input. 0 to 10% fs, 0 to 60 sec slurry noise (spike noise) can be cut by set- ting rate limit. absence of liquid is detected and status signal is outputted. ?0 to 110% fs status signal is outputted by setting high/ low limit flow. 1 to 200 sec aluminum alloy built-in power supply arrester and current output arrester g 1 /2 , npt 1 /2 , pg 13,5, m20 x 1,5 body case; polyurethane corrosion-resis- tant painting (silver) body cover; polyurethane corrosion-resis- tant painting (blue) jis c 0920 immersion-proof (ip67) d-class grounding (100 ? or less) conveter exciting system : input/output signal : pulse output : span setting : multi-range : flow direction change : flow display : square low-frequency exciting current output; 4 to 20ma dc load rasistance 0 to 1k ? pulse output; open-collector capacity; dc30v, 0.2a or less on voltage; 0.6v or less 0.0001 to 1000p/s status output; open-collector capacity: dc30v, 0.2a or less on voltage; 2v or less status input; no- voltage contact note) status signal input or output, either one, can be integrated pulses are outputted by setting integral constant. pulse width 0.5 to 80ms flow fs can be set by setting flow unit and flow value. flow velocity can also be set. display cubic volume, length; m 3 , l, ml, m display time unit ; /d, /h, /min, /s automatic 2-range selection in 2-range se- lect mode. external 2-range selection with status input is possible. flow direction can be reversed in flow di- rection mode. real time flow display, % display or user unit display is possible in 7 codes, max. ambient temperature-liquid temperature allowable range [ ? c] [ ? c] tefron lining polyurethane lining ambient tempertaure liquid temperature 120 80 50 -20 -10 20 50 60 material : note 1) materials of parts in contact with liquid should be selected in consideration of erosion due to measur- ing liquid. refer to the table of material selection on the attached sheet. note 2) flange type only sus304: unpainting carbon steel: polyurethane corrosion-resistant painting (silver) lining tefron(pfa, tfe) polyurethane electrode parts in contact with liquid note 1) sus316l hasteroy c titanium tantalum platinum iridium sus316l earth ring sus316 hasteroy c titanium tantalum sus316 housing case flange note 2) sus304 sus304 or carbon steel liquid temperature : ?0 to +120?c (tefron lining) ?0 to +50?c (polyurethane lining)
3 power consumption : operating condition : 12w or less ambient temperature; ?0 to 60?c (tefron lining sensor) ?0 to 50?c (urethane lining sensor) ambient humidity; 95% rh or less power voltage; 100 to 240v ac 10% power frequency; 50/60hz other specifications when replacing fuji' s former type sensors, flanges with short pipe are available. for details, contact our office. standard performance accuracy rating : meter size 2.5a to 15a 25a to 200a fs flow velocity 1m/s or more flow velocity 50%fs: 0.5% of rate flow velocity<50%fs: 0.25% fs fs flow velocity 0.3m/s or more less than 1m/s 0.5% fs _ flow velocity 50%fs: 0.5% of rate flow velocity<50%fs: 0.25% fs _ fs flow velocity 0.1m/s or more less than 0.3m/s (0.075/vs+0.25)% fs (vs:fs flow velocity [m/s]) flow velocity 50%fs: (0.075/vs+0.25)%f rate flow velocity<50%fs: (0.0375/vs+0.125)% fs _ flow velocity 20%fs: 0.5% of rate flow velocity<20%fs: 0.1% fs _
4 fma1, 2 length of straight pipe the length of the up-stream/down-stream straight pipe of the flowmeter should be long enough to ensure accurate measure- ments. see below. note 1) l=a multiple of diameter d of measuring pipe. note 2) do not put any objects, which affect magnetic field, electromotive force and flow profile, in the measuring pipe. note 3) use a straight pipe (2d to 3d) on the downsteam side, if the drift to the upstream side is affected by installing valves , etc. minimum length of straight pipe between upstream/downstream joints and flowmeter. note) "5d" with sluice valve fully open 1-1) upstream reducer pipe 1-2) upstream diffuser pipe 1-3) various upstream valves 1-4) upstream 90 bend 1-5) upstream t-pipe 2-1) downstream reducer pipe 2-2) downstream diffuser pipe 2-3) various downstream valves 2-4) downstream 90 bend 2-5) downstream t-pipe 5d flowing direction flowmeter flowing direction downstream straight pipe unnecessary downstream straight pipe unnecessary flowmeter 5d flowing direction flowmeter flowing direction flowmeter 10d note) flowing direction flowmeter 2 to 3d 2 to 3d 2 to 3d flowing direction flowmeter 5d flowing direction flowmeter flowing direction flowmeter 5d flowing direction flowing direction flowmeter flowmeter
5 mounting posture the flowmeter can be installed vertically, horizontally, or at other angle. when installing, be sure to observe the following points. q the measuring pipe should always fill with fluid which flows in the piping. example of mounting posture electrode mounting position (a) horizontal bypass line (b) vertical bypass line air are apt to form. fluid may not fill up the pipe. good good fluid may not fill up the pipe. pump e s c. e n t. i n c. shift e s c. e n t. i n c. shift e s c. e n t. i n c. shift e s c. e n t. i n c. shift e s c. e n t. i n c. shift & |