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data sheet date vortex flowmeter (delta flowpet) EDS6-122A aug. 10, 2005 fmr, m this instrument is a karman vortex flowmeter capable of measuring the flow rate of liquid, gas, and vapor. the heavy- duty detecting section made of stainless steel ensures high accuracy of the instrument. features 1. the total flow and instantaneous flow rate can exter- nally be selected and monitored. 2. the standard is a rainproof type that can be used out- doors. 3. heavy-duty stainless steel main body having the struc- ture without moving part ensures high durability 4. it does not impose limitations to its mounting positions. 5. remotely controllable external output (total pulse or instantaneous analog) is available. specifications (type: fmr) item description nominal diameter, connection note: plus 0.5% of full scale in case of analog output. fluid 10, 15, 25, 40, 50, 80, 100mm, wafer type liquid, gas, vapor see table 1 flow rate range fluid environment permissible temperature range sensor main body mounting cylinder mounting posture installation site accuracy material t ransducer case indicator (lcd digital display) (1) total flow: 8 digits (2) instantaneous flow rate (per hour) 5 digits (1), (2), (3), or (4) can be selected by push button. flow rate unit [l, m 3 , g, kg, t, l (normal), m 3 (normal)], and decimal point are indicated on lcd. (orientation of the indicator can be adjusted freely over 360 .) * alarm is indicated with led (red). (3) instantaneous flow rate (per minute) 5 digits (4) resettable total flow 7 digits battery type output signal externally energized type battery type externally energized type cable power supply structure backup -10 to +80 c, or -10 to +200 c -10 to +50 c 10 to 25mm: sus316, 40 to 100mm: xm19 (made of super stainless steel) maximum pressure depends on connection standard (designed pressure: 5 mpa) length of straight pipe see fig. 3 within 1% of full scale (or, for nominal diameter 10 mm, within 2% of full scale). (note) for liquid: fs = 8 m/s. for gas with nominal diameter 10 to 50 mm: fs = 30 m/s. for gas with nominal diameter 80, 100 mm: fs = 50 m/s. polycarbonate no limitation from viewpoint of accuracy scs13a scs14a (for nominal diameter 10 mm, main body: scs14a, vortex source: sus316) a void site exposed to direct sunshine none 5-core shielded cable (1 m) ... for externally energized type lithium battery unit. life time: 4 years (at normal temperature) ... with weak battery alarm function. 12 to 45v dc rainproof type (conforms to jis c0920 protection class 3, ip53s), non-explosion-proof type. direct sunshine is not permissible. parameter settings and total value are held in eeprom 4 to 20 ma dc analog (instantaneous flow rate) (see fig. 1 load resistance range); or pulse output (open collector) (available if with indicator). rated values: 30 v dc, 20 ma. on voltage: 1 v or less. pulse width: 30 ms (correct pulse) or 1 ms (non-correct pulse). alarm output (h, l) ... open collector. rated values: 30 v dc, 20 ma. on voltage: 1 v or less.
fmr, m 2 code symbols load resistance range [fig. 1] 45678 2 9 10mm 15mm 25mm 40mm 50mm 80mm 100mm 0 0 0 0 0 0 1 1 1 2 4 5 8 0 0 5 5 0 0 0 0 jis 10k jis 16k jis 20k jis 30k ansi 150 ansi 300 jpi 150 jpi 300 description note note2 note1 note1 note1 note1 note2 fmr 4 5 6 7 1 2 3 4 5 6 7 8 for gas (max. 80?c) for liquid (max. 80?c) for gas and saturated vapor (max. 200?c) for liquid (max. 200?c) 9 none (battery drive type) non-correct pulse output corrective pulse output 4 to 20ma dc output upper and lower limit alarm output correct pulse + upper and lower limit alarm output non-correct pulse + upper and lower limit alarm output 10 note 1) nominal diameter 10 mm is not in application range. note 2) radiator fins are provided if applied to hot gas, saturated vapor, or hot liquid. in case of saturated vapor, nominal diameter 10 mm cannot be selected. 0 1 2 3 4 5 6 g l s h 82 10 digit digit 1,550 600 300 power voltage (vdc) 024 12 37 45 operation range load resistance ( ? ) 0.1 0.01 1 flow rate (m 3 /h) 0.2 0.5 1 2 5 10 20 50 100 200 500 10 3 12 51020 50 100 200 500 10 3 2000 500010 4 flow rate of liquid (m 3 /h) flow rate of gas/steam (m 3 /h) 0.02 2 0.05 5 0.1 10 0.2 20 0.5 50 1 100 2 200 5 500 10 1000 15 1500 ?nominal diameter: 10 to 100mm ? p = c ? ? p: pressure loss (mmh 2 o) : density (kg/m 3 ) to find a pressure loss coefficient, read c value of the intersection point of the flow rate (q) and the slant line of the nominal diameter and assign the c value to the above equation. nominal diameter 10mm 15mm 25mm 40mm 80mm 50mm 100mm pressure loss coefficient c of liquid pressure loss coefficient c of gas/steam pressue loss [fig. 2]
3 minimum flow rate nominal diameter mm 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 10 0.3 0.3 0.3 0.2 0.2 0.2 0.2 0.2 2.2 15 0.4 0.4 0.4 0.4 0.3 0.3 0.3 0.3 4.7 25 1.0 0.9 0.9 0.8 0.8 0.7 0.7 0.7 16 40 1.7 1.5 1.4 1.3 1.3 1.2 1.2 1.1 31 50 2.7 2.5 2.3 2.2 2.1 2.0 1.9 1.8 53 80 6.0 5.5 5.1 4.7 4.6 4.6 4.6 4.6 118 100 11 11 11 11 11 11 11 11 205 specific gravity unit: m 3 /h max. flow rate minimum flow rate ( m 3 /h) 123510152 0253040 10 0.3 0.4 0.6 1.1 15 0.4 1.2 1.8 2.9 25 1.8 5.9 40 2.8 6.5 14 50 3.6 7.1 15 24 80 11 16 26 38 100 14 21 28 45 55 viscosity unit : mm 2 /s unmeasurable nominal diameter mm kinem atic viscosity for hatched area, retain table a (according to specific gravity). ? gas the flow rate range is indicated in actual base. if the flow rate was given at standard status, be sure to convert it to actual flow rate and then, according to this table, determine the flow rate range or nominal diameter. minimum flow rate ( m 3 /h) maximum flow rate (m 3 /h) 0.38 0.7 1.2 2.0 3.6 6 11 19 34 (60) 10 4.5 3.3 2.6 2.2 1.8 1.5 1.3 1.1 0.9 0.7 8.5 15 9.4 6.9 5.4 4.6 3.8 3.2 2.6 2.2 1.8 1.5 18 25 23 17 13 12 10 8 7 6 5 4 60 40 39 29 23 19 16 13 11 9 8 6 119 50 63 46 37 31 26 22 18 15 12 10 199 80 140 101 80 67 56 47 38 32 26 22 741 100 240 174 140 115 95 80 66 55 45 37 1280 gas kind density kg/nm 3 gas pressure mpa (gauge), temperature 20 c reference: gas viscosity argon 1.785 0.02 0.12 0.26 0.55 1.05 2 3.6 0.007 ( mpa?) air 1.293 0 0.07 0.20 0.4 0.85 1.5 2.7 0.017 oxygen 1.429 0 0.05 0.17 0.35 0.75 1.35 2.5 4.4 0.0192 carbon dioxide 1.977 0.01 0.1 0.23 0.5 0.95 1.7 3.3 0.0138 nitrogen 1.251 0.07 0.21 0.42 0.85 1.55 2.8 0.0166 nominal diameter mm density kg/m 3 table c table d ? determination of minimum flow rate in table d, find a value that is nearest to and lower than the pressure of gas desired, trace it upward in the same column, and retain the value at the intersection with the desired nominal diameter in table c as minimum flow rate. if it is necessary to exactly determine a minimum flow rate, proceed to a calculation in the following manner. example 1 suppose the fluid is air, the temperature 20 c, the pres- sure 0.5 mpa (gauge), and the nominal piping diameter 80 mm. how can the minimum flow rate nominal diam- eter be found? the minimum flow rate at nominal diameter of 80 mm at air of 0.4 and 0.85 mpa in table d is, according to table c, 47 and 38 m 3 /h, respectively. at a pressure of 0.5 mpa, therefore, the minimum flow rate is, according to interpolation, or the minimum flow rate can be obtained upon calcu- lating an actual density. actual density of air at 20 c and 0.5 mpa is: from table c, the minimum flow rate at density of 6 and nominal diameter of 80 mm is 47 m 3 /h and, likewise, at density of 11, is 38 m 3 /h. at density of 7.04, therefore, the minimum flow rate is, according to interpolation, example 2 suppose the fluid is carbon dioxide, the temperature 5 to 30 c, the pressure 0.8 to 1.5 mpa, and the maximum flow rate 800 m 3 /h (normal). how can the minimum flow rate and the applicable nominal diameter be found? first obtain the actual maximum flow rate, and then deter- mine the nominal diameter. for calculating the maxi- mum flow rate when the temperature and pressure have ranges, retain the higher temperature and lower pres- sure. therefore, the actual maximum flow rate is: therefore, the nominal diameter is 40 mm. for obtain- ing the minimum flow rate, retain the lower tempera- ture and higher pressure. from tables c and d, the minimum flow rate at nominal diameter of 40 mm and pressure of 0.95 mpa is 9 m 3 /h or, at pressure of 1.7 mpa, is 8 m 3 /h. therefore, accord- ing to interpolation, note: if the calculated result has a value below decimal point, truncate it for maximum flow rate, or round it up for minimum flow rate. table a (according to specific gravity) table b (according to viscosity) 0.85 - 0.5 q min = 38+ (47 - 38) 45m 3 /h 0.85 - 0.4 273.15 0.1013+0.5 = 1.293 7.04kg/m 3 273.15+20 0.1013 q min = 38+ (47 - 38) 45m 3 /h 11 - 7.04 11 - 6 q max. = 800 99m 3 /h 273.15 273.15+30 0.1013 0.1013+0.8 1.7 - 1.5 q min = 8+ (9 - 8) 8.3m 3 /h 1.7 - 0.95 flow rate range [table1] ? liquid retain the minimum flow rate in tables a (according to specific gravity) and b (according to viscosity), whichever is the greater.
fmr, m 4 nominal diameter 15mm 25mm 40mm 50mm 80mm 100mm minimum maximum minimum maximum minimum maximum minimum maximum minimum maximum minimum maximum 0.049 5.4 15 14 51 22 102 36 172 79 641 135 1100 0.098 6.1 20 15 67 25 133 41 224 90 834 154 1440 0.196 8.0 29 20 98 33 194 54 325 118 1210 202 2090 0.294 9.5 38 24 128 40 254 64 425 141 1580 241 2730 0.392 11 47 27 158 45 313 74 524 162 1950 277 3370 0.490 13 56 30 187 51 371 83 621 181 2310 310 4000 0.588 14 65 33 216 56 429 91 718 199 2670 342 4620 0.686 15 73 36 245 61 487 99 815 217 3030 372 5240 0.785 16 82 39 275 65 545 107 912 234 3390 400 5860 0.883 17 91 42 303 70 602 114 1000 250 3750 428 6480 0.981 18 99 44 333 74 661 121 1100 265 4110 455 7100 1.08 19 108 47 362 78 718 128 1200 281 4470 481 7730 1.18 20 117 49 391 83 776 135 1290 295 4830 507 8350 1.27 21 125 52 417 86 827 141 1380 308 5150 529 8900 1.37 22 133 54 446 90 885 147 1480 323 5510 553 9520 pressure mpa (gauge) unit: kg/h ? saturated vapor fluid nominal diameter mm maximum flow rate m 3 /h (non-correct pulse frequency hz) nominal meter coefficient l/p (nominal non-correct pulse unit) non-correct pulse output frequency hz q : volumetric flow rate m 3 /h correct pulse unit standard m 3 /p 10 2.2 (142.6) 0.004285 64.8 q 0.01 15 4.7 (97.83) 0.01335 20.8 q 0.01 25 16 (55.11) 0.08065 3.44 q 0.01 40 31 (189.0) 0.04556 6.10 q 0.01 50 53 (147.1) 0.1001 2.78 q 0.1 80 118 (98.49) 0.3328 0.835 q 0.1 100 205 (75.25) 0.7567 0.367 q 0.1 10 8.5 (110.2) 0.02143 13.0 q 0.01 15 18 (74.93) 0.06673 4.16 q 0.01 25 60 (41.33) 0.4033 0.689 q 0.1 40 119 (145.1) 0.2278 1.22 q 0.1 50 199 (110.4) 0.5005 0.555 q 0.1 80 741 (123.7) 1.664 0.167 q 1 100 1280 (93.98) 3.784 0.0734 q 1 gas liquid note: in case of saturated vapor, multiply it by density. (nominal meter coefficient) density kg/l (note) transducer integration reading unit the integration reading is in the same unit system as for flow rate. if the flow rate is in ? 3 /h? the integration reading is in ? 3 ? the number of digits below decimal point is the same as for correct pulse unit. (if the value of correct pulse is ??or more, the decimal point will not be indicated.) transducer correct pulse unit the present table indicates correct pulse units for volumetric flow rate. in case of fixed conversion to other than volumetric flow rate such as normal flow rate, refer to tables a through d.
5 correct pulse unit for fixed conversion use the following unit selection table for determining a correct pulse unit for fixed conversion to standard status (normal) flow rate or mass flow rate by multiplying the volu- metric flow rate by conversion coefficient. ? case 1 calculate the ?onversion coefficient?by: (unless particularly affected, retain z 0 /z = 1.) t: operating temperature ( c) p: operating pressure (mpa [gauge]) z 0 : compressibility factor at standard status z: compressibility factor at operating status case fluid fixed conversion use table: 1 conversion to standard (normal) status table a 2 saturated vapor conversion to mass flow rate table b 3 gas gas conversion to mass flow rate table c 4 liquid conversion to mass flow rate table d nominal diameter mm 10 15 25 40 50 80 100 0.50 to 4.66 4.67 to 46.6 46.7 to 60.0 0.50 to 1.49 1.50 to 14.9 15.0 to 60.0 0.50 to 2.47 2.48 to 24.7 24.8 to 60.0 0.50 to 4.38 4.39 to 43.8 43.9 to 60.0 0.50 to 1.99 2.00 to 19.9 20.0 to 60.0 0.50 to 1.99 2.00 to 19.9 20.0 to 60.0 0.50 to 2.64 2.65 to 26.4 26.5 to 60.0 0.01 0.1 1 0.01 0.1 1 0.1 1 10 0.1 1 10 0.1 1 10 0.1 1 10 1 10 100 conversion coefficient standard correct pulse unit m 3 (normal) table a ? case 2 15 25 40 50 80 100 0.05 to 0.167 0.168 to 1.46 0.05 to 0.355 0.356 to 1.46 0.05 to 0.745 0.746 to 1.46 0.05 to 0.265 0.266 to 1.46 0.05 to 1.03 1.04 to 1.46 0.05 to 0.392 0.393 to 1.46 0.01 0.1 0.1 1 0.1 1 0.1 1 1 saturated vapor pressure mpa standard correct pulse unit kg 10 1 10 table b nominal diameter mm ? case 4 ? case 3 10 15 25 40 50 80 100 0.50 to 4.66 4.67 to 46.6 46.7 to 60.0 0.50 to 1.49 1.50 to 14.9 15.0 to 60.0 0.50 to 2.47 2.48 to 24.7 24.8 to 60.0 0.50 to 4.38 4.39 to 43.8 43.9 to 60.0 0.50 to 1.99 2.00 to 19.9 20.0 to 60.0 0.50 to 1.99 2.00 to 19.9 20.0 to 60.0 0.50 to 2.64 2.65 to 26.4 26.5 to 60.0 operating fluid density kg/m 3 standard correct pulse unit kg 0.01 0.1 1 0.01 0.1 1 0.1 1 0.1 1 0.1 1 0.1 1 1 10 10 10 10 10 100 table c nominal diameter mm 10 15 25 40 50 80 100 to 2.00 to 0.749 to 2.00 to 1.23 to 2.00 to 2.00 to 0.999 to 2.00 to 2.00 to 1.32 to 2.00 0.500 0.500 0.750 0.500 1.24 0.500 0.500 1.00 0.500 0.500 1.330 1 1 specific gravity of liquid standard correct pulse unit kg 10 10 100 10 10 100 100 100 1000 table d nominal diameter mm 273.15 p+0.1013 z 0 conversion coefficient = t+273.15 0.1013 z
fmr, m 6 no. 2 3 4 remarks piping status length (l) of straight pipe. d: nominal diameter. d = nominal diameter. l flow l flow l fully open half open flow 5 reducer 1 fuji? regulating pipe elbow fully open sluice valve half open sluice valve if coaxial reducer is located upstream l flow l flow l flow if elbow is located upstream if 2 elbows are located horizontally upstream l flow honey vane l for nominal diameter 25 mm or more (for details, contact us) if 2 elbows are located vertically upstream if fully open sluice valve is located upstream 15d or more 23d or more 25d or more 8d 12d 40d or more 15d or more 50d or more if half open sluice valve, abrupt restrictor, or otherwise excessively flow disturbing objects upstream l flow flow straightener installation procedure [fig. 3] 1. length of straight pipe: conforms to iso 5167 notes 1. the concept is intended for sch.40 pipe. therefore, use sch.40 pipe as standard. 2. be sure to provide a straight pipe section of 5d or more downstream. 3. provide pressure and temperature detectors downstream the flowmeter (figure below). 2. thermal insulation procedure for thermal insulation of piping, we recommend you to adopt a simplified thermal insulation (without mortar fin- ish) on the flowmeter mounting section for facilitating dis- assembly or checkup. this arrangement allows to loosen flowmeter connecting bolts without breaking the thermal insulating material covering. arrange so flange tightening nuts can be loosened. span simplified thermal insulation (convenient if divisible) thermal insulation of piping arrange so connecting bolts can be loosened upon removing simplified thermal insulation material. 2 to 4.5d 4 to 6.5d flow-in direction pressure tap temperature tap d: nominal diameter 3. considerations regarding process conditions (1) prevention of cavitation if liquid is used, so that no cavitation will occur, secure a line pressure higher than calculated by: p 2.60 ? p+1.25po (mpa [abs]) where, ? p: pressure loss (mpa) p 0 : liquid vapor pressure (mpa [abs]) (2) pulsation if the flowmeter is to be installed on a line where roots blower, compressor, or other pulsating pressure generat- ing instruments are mounted, it may be affected by pulsa- tion. the allowable pulsating pressure is calculated by: where, n: pulsating pressure (kpa) : density (kg/m 3 ) v: minimum velocity (m/s) n < 2.25 v 2 (kpa) 100
7 outline diagram (unit: mm) for liquid and gas (80 c max.) l 83 45 65 h d d kgltm 3 /hmin(nomal) mr ode al1 delta al2 eset e s g g i approximate mass (kg) 9.5 5.8 3.0 2.9 2.2 1.6 1.6 9.3 5.6 2.8 2.7 2.0 1.4 1.4 289 269 253 249 264 264 264 257 237 221 217 232 232 232 nominal diameter (mm) l (mm) 10 15 65 65 25 40 65 80 50 80 80 100 h (mm) 125 100 i (mm) 32.5 32.5 40 40 40 48 32.5 d (mm) 40 40 81 91 126 156.2 67 d (mm) 10 - 10 to +80 c - 10 to +200 c 14.5 37.6 48.5 72.4 95.2 26.6 - 10 to +80 c - 10 to +200 c * no output signal. not provided in case of battery type/type code 10th digit: 0. alarm 1 indicator led * alarm 2 indicator led * flow-in direction (externally energized type only) power and output cable
fmr, m 8 outline diagram (unit: mm) for high temperature (200 c max.) of liquid, gas and vapor connection diagram (with 1m cable) 83 70 70 d 45 d 109 65 h kgltm 3 /hmin(nomal) mr ode al1 delta al2 eset e s g g *n o output signal. not provided in case of battery type/type code 10th digit: 0. alarm 1 indicator led * alarm 2 indicator led * l i (when 10th digit of the code symbols is 2, or 3 only) with 1m cable flow-in direction approximate mass (kg) 9.5 5.8 3.0 2.9 2.2 1.6 1.6 9.3 5.6 2.8 2.7 2.0 1.4 1.4 289 269 253 249 264 264 264 257 237 221 217 232 232 232 nominal diameter (mm) l (mm) 10 15 65 65 25 40 65 80 50 80 80 100 h (mm) 125 100 i (mm) 32.5 32.5 40 40 40 48 32.5 d (mm) 40 40 81 91 126 156.2 67 d (mm) 10 - 10 to +80 c - 10 to +200 c 14.5 37.6 48.5 72.4 95.2 26.6 - 10 to +80 c - 10 to +200 c sup (and analog output) sig. 1 ... alarm 1 output (upper limit/lower limit) sig. 2 ... alarm 2 output (upper limit/lower limit) sig. 3 ... correct/non-correct pulse output com ? polarity brown gray white yellow green wire color description sup (brown) analog output 4 to 20ma com (green) 12 to 45v dc 12 to 45v dc sup (brown) sig1 (gray) sig2 (white) com (green) sup (brown) sig1 (gray) sig2 (white) sig3 (yellow) com (green) sup (brown) sig3 (yellow) com (green) sup (brown) sig3 (yellow) com (green) integrating meter fmm fmr 12 to 45v dc 12 to 45v dc max. 30v max. 30v max. 30v max. 20ma max. 20ma max. 20ma max. 20ma max. 20ma max. 20ma fmr max. 30v max. 30v max. 30v fmr fmr fmr sup. sig. 0v (dc13.5v) note: analog output and pulse output or upper/lower limit alarm cannot be combined.
9 specifications item description display method items to be displayed weak battery voltage alarm trigger level response pulse power supply for the oscillator backup function ambient temperature power voltage power consumption insulation resistance withstand voltage mass case finish color of the instrument frame types of signals capacity on-state voltage pulse width signal load resistance conversion accuracy ripple time constant output signal capacity on resistance lcd height of letters: 12.7mm pressing "mode" switch allows the following display modes to rotate. (mode display such as b1, b2, and c is displayed on the most significant and the second digit of the display window.) *: not displayed when "select" switch is turned to "0" or "8". when "select" switch is turned to "4" or "c", the values of the above 7 items are displayed. the setting of "divided value", "meter coefficient", and "number of cycle samples" can be changed easily by the operation on the front panel of this instrument. however, do not change them except when the change is unavoidable, because the setting has been adjusted to meet the specifications of the flowmeter combined to this instrument. **: effectively indicated only when the input pulse has small frequency variation. "batt" blinks. 3v dc hysteresis 0.8v dc 200hz (50hz in the case of contact input)?.standard note that it can be followed up to 2khz by setting the input division to 1/10 or 1/100. when the scaler value is more tha n 1, 150hz max. 13.5v dc or 24v dc, 50ma, with overcurrent protection open collector pulse, corrective pulse (the same unit as the display), standard?r non-corrective pulse 30v dc, 50ma max. 1.5v dc max. 1ms, 50ms, 100ms, 250ms 4 to 20ma dc and 1 to 5v dc current output: 350 ? max. when output voltage is short-circuited: 600 ? max. output voltage: 1m ? min. within 0.1% of the full scale within 1% of the full scale at 10% of the full scale 4(2) to 19.99hz: 6.5s [the value in ( ) shows the value when an internal step-up circuit is used.] full scale puls 20 to 199.9hz: 2.1s 200 to 2000hz: 1.5s open mos-fet 2 230 v ac/340 v dc, 200 ma or less 16 ? or less (leakage current 1 a or less when off) 0.0001 to 1.9999, adjustable in steps of 0.0001 selection of the unit to be displayed: 1/1, 1/10, or 1/100 the counter display value and setting are backed up by built-in e 2 prom -10 to +50 c 85 to 264v ac, 50/60hz 16va max. batch power terminals and ground terminal, 10m ? or more, 500v dc megger batch power terminals and ground terminal, 1500v ac, 1 minute approx. 0.6kg (flush mount type), approx. 0.8kg (wall type) resin frame and aluminum case (flush mount type), plastic case (wall type) munsell color code n1.5 equivalent scaler dividing display input signal output signal pulse analog (option) upper/lower limit alarm (option) setting mode ? b1 b2 c d f a digit 8 5 5 7 1 5 3 total flow instantaneous flow rate instantaneous flow rate total flow divided value* meter coefficient* number of cycle samples display not resettable to 0 per hour per minute resettable to 0 0 (1/1), 1 (1/10), 2 (1/100) 0.0001 to 1.9999 1 to 128 description ** ** overview this instrument is a compact type lcd display counter that receives pulse signal from vortex flowmeter and indicates total flow and digital instantaneous flow rate (with power supply for the oscillator built in). features 1. one-chip cpu mounted on this instrument has permit- ted many functions. pressing pushbutton enables switching to the follow- ing 4 display modes. q total flow, w zero reset total, e instantaneous flow rate (switching between per hour display and per minute display is possible.), r meter coefficient 2. this instrument has a function of a scaler and of a di- vider. flush mount type wall type integrating meter (type: fmm) 3. it converts input pulse signal representing flow rate into an analog signal through built-in f/i conversion circuit. (option) 4. equipped with pulse output before or after the correc- tion
fmr, m 10 outline diagram (unit: mm) code symbols (flush mount type) panel cutout dimensions 4 fmm 5678 3 910 85 to 264v ac 50/60hz input signal 3-wire open corrector pulse output signal (open collector) pulse width: approx. 1ms pulse width: approx. 50ms pulse width: approx. 100ms pulse width: approx. 250ms none (standard) analog output (4 to 20ma dc / 1 to 5v dc) and upper/lower limit alarm output additional function none (standard) with a battery for lighting the lcd when power is off flush mount type wall type description digit 4 5 6 7 8 9 10 6 2 5 6 7 0 1 3 0 1 1 2 7 digit min. 70 min. 120 92 45 105.5 +0.6 0 +0.8 0 ?eset?button ?larm1?led* ?ode?button ?larm2?led* 96 48 6.5 reset mode alarm1 alarm2 batt * only for analog/alarm output (code symbol 7th digit: ?? mounting bracket upper terminals lower terminals
11 outline diagram (unit: mm) (wall type) connections 125 96 110 90 75 48 59.7 134.5 53 6.5 3 reset mode alarm1 alarm2 batt mounting hole 4 - 5.4 applied cable diameter: 5.5 to 7 alarm1 out alarm2 out open mos-fet

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