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temperature sensors hel-700 platinum rtds honeywell 1 sensing and control11-800-537-6945 usa1f1-815-235-6847 international11-800-737-3360 canada 85 features 1 linear resistance vs temperature 1 accurate and interchangeable 1 excellent stability 1 small for fast response 1 wide temperature range 1 3-packaging options typical applications 1 hvac - room, duct and refrigerant equipment 1 electronic assemblies - thermal man- agement, temperature compensation 1 process control - temperature regu- lation hel-700 thin film platinum rtds (re- sistance temperature detectors) provide excellent linearity, accuracy, stability and interchangeability. resistance changes linearly with temperature. laser trimming provides 0.3 c interchangeability at 25 c. 1000 v , 375 alpha provides 10x greater sensitivity and signal-to-noise. both 1000 v and 100 v provide interchange- abilities of 0.6 c or better from -100 c to 100c, and 3.0 c at 500 c. mounting dimensions (for reference only) hel-700 ribbon lead hel-700 radial chip hel-700 smt (axial) flip chip order guide hel-700 thin film platinum rtd -u 1000 v , 0.00375 v / v / c -t 100 v , 0.00385 v / v / c din standard -0 0.2% resistance trim (standard) -1 0.1% resistance trim (optional) -a radial ribbon lead -b radial chip -c smt axial flip chip (1000 v only) fig. 1: linear output voltage fig. 2: adjustable point (comparator) interface temperature
temperature sensors hel-700 platinum rtds 86 honeywell 1 sensing and control11-800-537-6945 usa1f1-815-235-6847 international11-800-737-3360 canada functional behavior r t j r 0 (1 + at + bt 2 - 100ct 3 + ct 4 ) rt j resistance ( v ) at temperature t ( t c) r 0 j resistance ( v ) at 0 t c t j temperature in t c a j a + ad b j - ad c t < 0 j - ab 100 100 2 100 4 constants alpha, a ( t c -1 ) 0.00375 0.003850 0.000029 0.000010 delta, d ( t c) 1.605 0.009 1.4999 0.007 beta, b ( t c) 0.16 0.10863 a ( t c -1 ) 3.81 10 -3 3.908 10 -3 b ( t c -2 ) - 6.02 10 -7 - 5.775 10 -7 c ( t c -4 ) - 6.0 10 -12 - 4.183 10 -12 both b j 0 and c j 0 for t > 0 t c resistance vs temperature curve accuracy vs temperature hel-700 platinum rtds are available in two base resistance trim tolerances: 0.2% or 0.1%. the corresponding resistance interchangeability and temperature accuracy for these toler- ances are: tolerance standard 0.2% optional 0.1% temperature d r* d t d r* d t ( t c) ( v )( t c) ( v )( t c) - 200 6.8 1.6 5.1 1.2 - 100 2.9 0.8 2.4 0.6 0 2.0 0.5 1.0 0.3 100 2.9 0.8 2.2 0.6 200 5.6 1.6 4.3 1.2 300 8.2 2.4 6.2 1.8 400 11.0 3.2 8.3 2.5 500 12.5 4.0 9.6 3.0 600 15.1 4.8 10.4 3.3 *1000 v rtd. divide d r by 10 for 100 v rtd. caution product damage the inherent design of this component causes it to be sensitive to electrostatic discharge (esd). to prevent esd-induced damage and/or degradation, take normal esd precautions when handling this product. specifications sensor type thin film platinum rtd; r 0 j 1000 v @0 t c; alpha j 0.00375 v / v / t c r 0 j 100 v @0 t c; alpha j 0.00385 v / v / t c temperature range - 200 to + 540 t c ( - 300 to + 1000 t f) temperature accuracy 0.5 t c or 0.8% of temperature, t c (r 0 0.2% trim), whichever is greater 0.3 t c or 0.6% of temperature, t c (r 0 0.1% trim), whichever is greater (optional) base resistance and interchangeability, r 0 d r 0 1000 2 v ( 0.2%) @ 0 t c 1000 1 v ( 0.1%) @ 0 t c (optional) linearity 0.1% of full scale for temperatures spanning - 40 t to + 125 t c 2.0% of full scale for temperatures spanning - 200 t to + 540 t c time constant < 0.15 seconds in water @ 3 ft./sec. < 1 second on metal surfaces: < 4 seconds in air @ 10 ft./sec. operating current 2 ma max. for self-heating errors of 1 t c 1 ma recommended stability better than 0.25 t c/year: 0.05 t c/5 years for occupied environments self-heating 0.3 mw/ t c insulation resistance > 50 m v @ 50 vdc @ 25 t c case material 99% alumina support, vapor deposited alumina passified resistance portion, refractory glass passified overall lead material ribbon platinum ribbon, 0.002 0.010 0.16 in. long nominal lead pull strength ribbon 200 grams nominal pulling up from surface
temperature sensors hel-700 series platinum rtds honeywell 1sensing and control11-800-537-6945 usa1f1-815-235-6847 international11-800-737-3360 canada 87 features 1 linear resistance vs temperature 1 accurate and interchangeable 1 excellent stability 1 teflon or fiberglass lead wires 1 wide temperature range 1 ceramic case material typical applications 1 hvac room, duct and refrigerant equipment 1 instrument and probe assemblies temperature compensation 1 process control temperature regulation hel-700 series elements are fully assem- bled, ready to use directly or in probe assemblies without the need for fragile splices to extension leads. the 1000 v , 375 alpha version, provides 10x greater sensitivity and signal-to- noise. optional nist calibrations im- prove accuracy to 0.03 t c at 0 t c. order guide hel-705 28 ga. tfe teflon, 2-wire only hel-707 28 ga. fiberglass, 2-wire only hel-711 28 ga. tfe teflon (2-wire 1000 v , 3-wire 100 v ) hel-712 28 ga. fiberglass (2-wire 1000 v , 3-wire 100 v ) hel-716 24 ga. tfe teflon (2-wire 1000 v , 3-wire 100 v ) hel-717 24 ga. fiberglass (2-wire 1000 v , 3-wire 100 v ) -u 1000 v , 0.00375 v / v / t c -t 100 v , 0.00385 v / v / t c din standard -0 0.2% resistance trim (standard) -1 0.1% resistance trim (optional) -12 lead wire length, 12 inches -00 no nist calibration -c1 nist @ 0 t c -c2 nist @ 0 & 100 t c -c3 nist @ 0, 100 & 260 t c mounting dimensions (for reference only) fig. 1: wheatstone bridge 2-wire interface fig. 2: linear output voltage fig. 3: adjustable point (comparator) interface caution product damage the inherent design of this component causes it to be sensitive to electrostatic discharge (esd). to prevent esd-induced damage and/or degradation, take normal esd precautions when handling this product. temperature
temperature sensors hel-700 series platinum rtds 88 honeywell 1 sensing and control11-800-537-6945 usa1f1-815-235-6847 international11-800-737-3360 canada functional behavior r t j r 0 (1 + at + bt 2 - 100ct 3 + ct 4 ) rt j resistance ( v ) at temperature t ( c) r 0 j resistance ( v ) at 0 c t j temperature in c a j a + ad b j - ad c t < 0 j - ab 100 100 2 100 4 constants alpha, a ( c -1 ) 0.00375 0.003850 0.000029 0.000010 delta, d ( c) 1.605 0.009 1.4999 0.007 beta, b ( c) 0.16 0.10863 a ( c -1 ) 3.81 10 -3 3.908 10 -3 b ( c -2 ) - 6.02 10 -7 - 5.775 10 -7 c ( c -4 ) - 6.0 10 -12 - 4.183 10 -12 both b j 0 and c j 0 for t > 0 c resistance vs temperature curve accuracy vs temperature tolerance standard 0.2% optional 0.1% temperature d r* d t d r* d t ( c) ( v )( c) ( v )( c) - 200 6.8 1.6 5.1 1.2 - 100 2.9 0.8 2.4 0.6 0 2.0 0.5 1.0 0.3 100 2.9 0.8 2.2 0.6 200 5.6 1.6 4.3 1.2 300 8.2 2.4 6.2 1.8 400 11.0 3.2 8.3 2.5 500 12.5 4.0 9.6 3.0 600 15.1 4.8 10.4 3.3 *1000 v rtd. divide d by 10 for 100 v rtd. nist calibration nist traceable calibration provides resistance readings at 1, 2 or 3 standard temperature points to yield a resistance versus tem- perature curve with 10x better accuracy. calibration 1 point 2 point 3 point t ( c) d t ( c) d t ( c) d t ( c) -200 0.9 e e -100 0.5 0.27 0.15 0 0.03 0.03 0.03 100 0.4 0.11 0.07 200 0.8 0.2 0.08 300 1.2 0.33 6.2 400 1.6 0.5 8.3 500 2.0 0.8 9.6 600 2.6 1.2 10.4 specifications sensor type thin film platinum rtd; r 0 j 1000 v @0 c; alpha j 0.00375 v / v / c r 0 j 100 v @0 c; alpha j 0.00385 v / v / c temperature range tfe teflon: - 200 to + 260 c ( - 320 to + 500 f) fiberglass: - 75 to + 540 c ( - 100 to + 1000 f) temperature accuracy 0.5 c or 0.8% of temperature, c (r 0 0.2% trim), whichever is greater 0.3 c or 0.6% of temperature, c (r 0 0.1% trim), whichever is greater (optional) base resistance and interchangeability, r 0 d r 0 1000 2 v ( 0.2%) @ 0 c 1000 1 v ( 0.1%) @ 0 c (optional) linearity 0.1% of full scale for temperatures spanning - 40 to + 125 c 2.0% of full scale for temperatures spanning - 75 to + 540 c time constant < 0.5 sec. 0.85 inch o.d. in water at 3 ft/sec; < 1.0 sec, 0.85 inch o.d. in still water operating current 2 ma maximum for self heating errors of < 1 c; 1 ma recommended stability < 0.25 c/year; 0.05 c per 5 years in occupied environments self heating < 15 mw/ c for 0.85 o.d. typical insulation resistance > 50 m v at 50 vdc at 25 c construction alumina case; epoxy potting (teflon leads); ceramic potting (fiberglass leads) lead material nickel coated stranded copper, teflon or fiberglass insulated
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