flow flow 2004 kele catalog ?www.kele.com ?usa 888-397-5353 ?international 901-382-6084 223 universal flow transmitter model uft-1 pulse out + pulse out ma signal out xdcr signal in 24 vdc power common 3.25 (8.25) 2.19 (5.56) in (cm) description the model uft-1 universal flow transmitter is a solid-state, digital signal converter designed to operate with data industrial 200 series flow sensors. both ana- log (4-20 ma) and pulse outputs are available. the model uft-1 may be mounted in an optional nema 4x enclosure or with digital display of gpm or totalized flow (in a non-watertight enclosure). features analog and pulse outputs optional watertight (nema 4x) enclosure optional displays for flow rate and totalization low cost excitation voltage for flow sensors led indication of pulse activity application analog output (rate) the model uft-1 analog transmitter converts a data industrial digital flow signal into a precalibrated 4-20 ma signal. it must be calibrated for each data industrial flow sensor installation. the pipe type, size, and maximum flow rate must be specified at the time of order if 4-20 ma output is to be used. pulse output (totalization) the model uft-1 pulse output divides the data industrial digital flow signal by a jumper-selectable 10 or 100 position to provide a more usable digital pulse. the pulse output is normally used where flow totalization is required. a simple conversion formula, using the flow factors for data industrial flow sensors on the next page, can convert the digital pulses to totalized gallons. the pulse output is an optoisolated transistor switch that can be wired to source or sink pulses to totalizer equip- ment. note: this unit is not intended for field setup or field calibration. supply voltage 24 vdc @ 60 ma operating temp 32 to 140? (0 to 60?) operating humidity 5% to 95% noncondensing output 4-20 ma and solid-state switch input 15-150 hz full scale (dry or electronic contact) max loop resistance 4-20 ma output 750 ? @ 24 vdc output switch rating 40 vdc @ 200 ma accuracy ?.5% step response 5 sec from 10% to 90% dimensions specifications uft-1 uft-1e-1
flow flow 2004 kele catalog ?www.kele.com ?usa 888-397-5353 ?international 901-382-6084 224 universal flow transmitter model uft-1 pulse out + pulse out pulse out ? ma signal out xdcr signal in 24 vdc power common xdcr sig in 24 vdc power supply flow sensor transducer power option jumper (leave on for data industrial flow sensors. remove for devices with their own power supply.) typical totalizer hookup 4-20 ma output + + + + ? ? ? ? totalize power output pulse divider selection jumper (10 or 100) (red) (black) pwr 100 10 ordering information wiring the uft-1 transmitter can be mounted in any position. the optional watertight enclosure provides a watertight seal against contaminants. while field calibration is not required with the uft-1 , flow conversion must be accomplished at the monitoring computer. the information below is provided for making the conversion calculations. flow (gpm) = (ma measured - 4 ma ) x maximum gpm 16 maximum gpm is the flow rate at 20 ma output on the trans- mitter and must be specified at the time the uft-1 is ordered for proper calibration. totalized gallons = (flow factor) x (output divider) x (total pulses) for totalized m 3 , multiply the above by 0.00379. output divider = 10 or 100 depending on jumper-selection. flow factors per pulse are shown in the table at the right. installation and calibration flow rate totalized flow pipe size and schedule and maximum flow rate must be specified at time of order. when a uft-1ae3 is ordered the uft-1a will be in one enclosure and the totalizer and rate display will be in a separate enclosure. uft-1 example: uft-1a-e-2 basic transmitter with calibrated 4-20 ma flow rate output (4 ma = no flow 20 ma = max flow), enclosed with lcd flow rate indication 1 * ** model description uft-1 universal flow transmitter pulse output only uft-1a universal flow transmitter with pulse and calibrated 4-20 ma output* uft-1e universal flow transmitter pulse output in nema 4x enclosure uft-1ae universal flow transmitter with pulse and calibrated 4-20 ma output* in nema 4x enclosure display option (enclosed models only) 1 flow totalization only 2 flow rate only 3 flow totalization and flow rate ** model pipe s ize flow gallon s /pul s e in (cm) factor jumper in jumper in 10 po s ition 100 po s ition 228pv-1.5 1-1/2 ( 3 .81) 0.0 3 118 0. 3 118 3 .118 228pv-2 2 (5.08) 0.04611 0.4611 4.611 228b-2 2 (5.08) 0.04579 0.4579 4.579 228c-2 2 (5.08) 0.047 3 1 0.47 3 1 4.7 3 1 250b-0.5 1/2 (1.27) 0.005646 0.05646 0.5646 250b-0.75 3 /4 (1.91) 0.007514 0.07514 0.7514 250b-1 1 (2.54) 0.007015 0.07015 0.7015 250b-1.25 1-1/4 ( 3 .18) 0.01280 0.1280 1.280 250b-1.5 1-1/2 ( 3 .81) 0.01780 0.1780 1.780 220b-2.5 2-1/2 (6. 3 5) 0.0 3 800 0. 3 800 3 .800 220b 3 (7.62) 0.07280 0.7280 7.280 220b 4 (10.16) 0.1 3 96 1. 3 96 1 3 .96 220b 5 (12.7) 0.2457 2.457 24.57 220b 6 (15.24) 0. 3 611 3 .611 3 6.11 220b 8 (20. 3 2) 0.6710 6.710 67.10 220b 10 (25.40) 1.080 10.80 108.0 220b 12 ( 3 0.48) 1.6 3 0 16. 3 0 16 3 .0 220b 14 ( 3 5.56) 1.944 19.44 194.4 220b 16 (40.64) 2.502 25.02 250.2 220b 18 (45.72) 3 .158 3 1.58 3 15.8 note s 1. flow f a ctor s for a model 225 a nd 226 a re the sa me as model 220. * 2. flow f a ctor for model 228 s i s the sa me as 228c. 3 . pv s erie s i s s ized for sch 80 pvc pipe. all other s erie s a re s ized for sch 40 b l a ck iron pipe. table 1. flow factors for data industrial flow sensors
|
