analog devices fax-on-demand hotline - page b ~ analog -.. devices features low cost compatible with standard 4-20 ma loops broad family direct sensor interface to thermocouples, rtds and ad590s loop-powered isolator high performance rfllmmunity applications monitoring and control factory automation energy management general description the 2b series is a family ofiow cost, two-wire transmitters. these high performance transmitters were designed for indus- trial environments. they provide input protection, filtering and amplification, as well as isolation and cold junction compensa- tion for thermocouples, and excitation and linearization for rtds. they are true two-wire transmitters using the same wiring for power and output. the load resistance is connected in series with a dc power supply and the current drawn from the supply is the 4-20 ma output signal. 2b24 2b52/2b53 2b57a- 1 2b58 2b59 the 2b series transmitters loop-powered isolator thermocouple temperature transmitters ad590 temperature transmitter linearized rtd temperature transmitter low cost rtd temperature transmitter applications the 2b series two-wire transmitters provide low cost, accurate and reliable measurement and transmission in a wide variety of industrial applications. these transmitters are especially useful in process control and monitoring applications where the pro- cess sensor is located remotely from the receiver. they may then be used to provide signal conditioning near the point of mea- surement and transmit an accurate, noise immune, high level current signal over conventional copper wires resulting in im- proved performance and reduced cost. rev. a information furnished by analog devices is believed to be accurate and reliable. however, no responsibility is assumed by analog devices for its use, nor for any infringements of patents or other rights of third parties which may result from its use. no license is granted by implication or otherwise under any patent or patent rights of analog devices. ---- low cost two-wire transmitters 28 series i user benefits two-wire transmitters process information in the form of a 4-20 ma current. in this form, the analog signal information is unaffected by noise-induced voltages, by voltage drops or by contact potentials, and it may be transmitted 2,000 feet (610 meters) or more without degradation. since the minimum output current is 4 ma, there is a clear distinction between a zero measurement and an open-circuit transmission line. low cost: two-wire transmitters minimize total system instal- lation cost. inexpensive, unshielded copper wire, usually in the form of a twisted wire pair, may be used for signal transmission. dc power is furnished to the transmitter over the same two-wire line by a power supply at the receiving end. since the transmit- ter may be close to the sensor, long runs of expensive shielded sensor wire are urmecessary. in addition, a number of wire pairs may be bundled together in cables without cause for concern about crosstalk between channels. high noise rejection: internal filtering circuitry in the trans- mitter eliminates errors caused by rfi/emi and line frequency pickup. high isolation (2b24 and 2b52): input to output isolation eliminates ground loop errors in installations requiring grounded sensors and permits direct transmission of signal to receiver where high common-mode voltages may exist. environmental protection: high quality electronic compo- nents, protective coating and mechanical packaging combine to provide a high degree of reliability and protection against tem- perature, humidity and noise interference. one technologyway, p.o. box9106, norwood, ma 02062-9106. u.s.a. tel: 617/329-4700 world wide web site: http://www.analog.com fax: 617/326-8703 @ analog devices. inc., 1997 obsolete
analog devices fax-on-demand hotline - page 9 28 series-spec ificati ons (typical@+25c, and iin = 20 ma orvs = +24 v dc unless otherwise noted) notes 'accuracy is specified as a percent of output span. accuracy spec includes combined effects of transmitter repeatability, hysteresis and linearity (or linearization conformity). it does not include sensor error. 'for 2b24, total output error is comprised ofa -{).3% offset error and a to.1% span error. 'zb52 and 2b53-includes combined effects of cold junction compensation and amplifier offset drift. 42b24 includes 3.5 v plus voltage drop across output load. 2b5z, 2b58 and zb59 are protected for reverse polarity. 5mil-std-202e, method 103b. *specifications same as 2b24a. **specifications same as 2b52. specifications subject to change without notice. 2b59 outline dimensions dimensions shown in inches and (mm). ~ #6-32 threaded insert t 1.205 (30.6) max j d,~~.7,;'."; 2b59a ~v'" 0 rr~..;j: corg 6rn-.j "'i) iransmitte" 0 '...o[ '. u '. a i top "'m. "'o view i - 1.505138.2) -- i i max - 0.50 o.755ma 1 :! :: ] (12.7) (19.2) 00 i::1 max i side view 4 iiiiiii~~et~om 600 1152.~-j i-- 0.1 (2.541 grid min rrm l_1,ij,i,i #22 awg sensor ~t sensor -vsupply -'jsurrly -2- rev. a --- model 2b24a 2b24b 2b52 2b53 , input specifications input signal 4-20 ma 4-20 ma, 10-50 ma thermocouples ** 1, k, t, e, r, s, b input range 1-30 ma max 1-50 ma max 5 mv min, 100 mv max ** zero adjustment range n/a n/a t 5% of span ** span adjustment range t3% of span * t5% of span ** output specifications output signal 4-20 ma 4-20 ma, 10-50 ma * * minimum output current 1 ma * 3.3 ma, typ 2 ma, typ maximum output current 30ma 55ma 42 ma, typ 28 ma, typ load resistance equation (+vs - 3.5 v)/20 ma (+vs-3.5v)f50ma (+vs - 12 v)f20 ma ** accuracy! total output error see note 2 see note 2 to.1% ** stability vs. ambient temperature zero, for ambient -30c to +85c nfa nfa to.038crc3 ** span, for ambient -30c to +85c to.01 %rc * to.005%foc ** isolation cmv, input to output, continuous t 1500 v pk * 600 v rms nfa common-mode rejection @ 60 hz 120 db @rl= 3000 120 db @ rl = 1200 160 db nfa normal-mode rejection @ 60 hz nfa nfa 60 db n/a power supply voltage, operating range4 +3.5vto +5.5v dc * +12 v to +60 v dc ** supply change effect, % of span on zero n/a nfa 0.005%n ** on span nfa nfa o.ool%n ** environmental temperature range, rated performance -30c to +85c * * * storage temperature range -55c to + 125c * * * relative humidity to.2%5 * * * rfi effect (5 w @ 470 mhz @ 3 ft.) error to.5% of span * to.5% of span ** physical case size 4" x 3.25" x 1.25" * * * weight 8.5 oz (240 g) * * 8 oz (227 g) obsolete
analog devices fax-on-dehand hotline - page 111 28 series 2b24, 2b52, 2b53, 2b57 and 2b58 outline dimensions dimensions shown in inches and (mm). 4.015 (101.9) -1 + ~ ! r- e:= c::::> t 3tk2. 33/b" 1 3/16" x 3/4" holes 2"o.c. ~' 1.28 ~ - "'" 1-0.31 (1.9) -l --1 01 ~ the 2824, 2r52, 2b53, 2b57 and 2b58 may be conveniently mounted in a standard rday mounting channel (3.25" witle) stich as reed devices 1m;. (rdi) model 3tk2-6 or equivalent. rev. a -3- model 2b57a-l 2b58 2b59 input specifications input signal ad590 temperature sensor 2- or 3-wire, pt rtd pt rtd, 100o@0c, ex = 0.00385 (ik) 1000 @ oc, ex = 0.00385 nife rtd, 1000,20000 @ +21.1 c (+70f), ex = 0.00527 input range -55c to +150c max (20c min) 5 mv min, 100 mv max -100c to +400c zero adjustment range t 5% of span t 5% of span t3% of span min span adjustment range t5% of span t5% of span t3% of span min output specifications output signal * * * minimum output current 2.5ma 3.5 ma, typ 3.4 ma maximum output current 26ma 40 ma, typ 35 ma load resistance equation ** (+vs -16 v)/20 ma (+vs - 10 v)/20 ma accuracy! total output error to.4% (t1.0% max) to.i% to.i% stability vs. ambient temperature zero, for ambient -30c to +85c to.005%rc (o.oi%/oc max) to.03crc to.015%rc span, for ambient -30c to +85c to.001%rc (to.005%rc max) to.05%rc to.005%/oc isolation cmv, input to output, continuous n/a n/a n/a common-mode rejection @ 60 hz n/a n/a n/a normal-mode rejection @ 60 hz n/a 56 db @ 60 hz n/a power supply voltage, operating range4 +12 v to +50 v dc + 16 v to +60 v dc +10 v to +35 v dc supply change effect, % of span on zero to.005%n to.005%n to.005%n on span to.001%n to.oi%n to.ooi%n environmental temperature range, rated performance * * -25c to +85c storage temperature range -55c to + 100c * * relative humidity 0% to 90% (to +40c) to.6%5 0% to 90% (to hoc) rfi effect (5 w @ 470 mhz @ 3 ft.) error :1:0.5% of span :1:0.5% of span :1:0.5% of span physical case size * * 1.2" x 1.5" x 0.5" (standoff 0.75") weight 8.2 oz (234 g) 8 oz (227g) i oz (30 g) obsolete
analog devices fax-on-demand hotline - page 11 28 series model 2b24 loop-powered isolator model 2b24 is a loop-powered isolator designed to eliminate ground loop problems and high common-mode noise interfer- ence, and to provide transient voltage protection. it accepts an input current in the range of 10-50 ma and provides an isolated output current proportional to the -input. models 2b24a and 2b24b are available for 4-20 ma and 10-50 ma input ranges respectively. both feature high accuracy (:to. 1 %), high input to output isolation (:t 1500 v pk, continu- ous), rfi/emi immunity and high cmr (120 db). other fea- tures include low input signal loop burden, low sensitivity to variations in load, as well as excellent stability (:to.0 1 %/c) over a wide ambient temperature range (-30c to +85c). operation the 2b24 is factorycalibrated to accuracy of:t0.1 % of span. a user-accessible span trim potentiometer providing:t 3% adjust- ment range permits precise field calibration. this may be ac- complished by connecting normal operating load resistance and adjusting span for a 20 ma output when an input is 20 ma. a wide range ofload resistance may be accommodated by the 2b24. the transmitter supplying power to the 2b24 must be capable of furnishing the necessary input voltage for the given load and the desired maximum output current. a metal enclo- sure offers environmental protection and screw terminal input and output connections. it may be either surface or relay track mounted. figures 1a and lb illustrate 2b24 applications with two-wire and four-wire transmitters respectively. 4.20ma 4.20ma + input lwo-wire transmitter -t output i ~l.o.ad 2b24 figure 1a. two-wire transmitter 2824 application 4-20ma 4.20ma transmitter + rload input + 2b24 figure 1b. four-wire transmitter 2824 application models 2b52 and 2b53 thermocouple temperature transmitters models 2b52 and 2b53 accept a type j, k or t thermocouple input and provide a standard 4-20 ma output proportional to the input signal. the 2b52 features high input to output isola- tion (600 v rms) and high cmr (160 db @ 60 hz); it is ap- proved by factory mutual for intrinsically safe use in hazardous locations. the 2b53 is a fimctionally equivalent design without the input to output isolation. the 2b52 and 2b53 offer high noise rejection, rfi immunity and automatic cold junction compensation to assure accurate operation in noisy industrial environments over a wide ambient temperature range. other features include open thermocouple detection, fast response time and a low bias current to minimize errors induced by thermocouple extension wires. a metal enclo- sure offers environmental protection and screw terminal input and output connections. it may be either surface or relay track mounted. please note: in addition to a number of standard ranges, special ranges of these transmitters are also available; order 2b52-custom or 2b53-custom and specify both thermo- couple type and temperature range. custom modules can provide for thermocouple types j, k, t, e, r, sand b. there is an additional charge for custom ranging. operating instructions the connections shown in figure 2 are common for both the 2b52 and 2b53. note: the cold junction temperature sensor is mounted beneath terminal 2, and therefore no user connection is to be made at this terminal. terminal 4 (cal com) is only used for field calibration; see figure 4. 00 zrro $p"n adj adj 2852/2853 cal com output - rc +tc; +- 123456 thermocouple vsurpl y 12v to 60v + figure 2. model 2852/2853 8asic application intrinsically safe operation the 2b52 is approved by factory mutual for intrinsically safe use in class i, division i, groups a, b, c and d hazardous locations when connected per drawing 03-0884000, which is indicated in figure 3. the 2b52 is approved with the mtl 188+ safety barrier as a system. --4- rev. a obsolete
analog devices fax-on-demand hotline - page 12 28 series s",' lo(..""on t" ,rmocouple ".\larodus loo< "". class i. division '. groups a,b.c 6 d, 00 2b52 >crd "'an ~"" ~"j entity v~ vm~ -4'" ima..jodma 1:;- 0 li" 0 '+ figure 3. 2b52/ntrinsica/ly safe operation the 2b52 is approved under the entity concept and can be used with any entity-approved banier that has a worst case open circuit voltage less than 40 v and a worst case short circuit current less than 300 ma. there is no restriction with respect to unprotected internal capacitance and unprotected internal in- ductance since these values are zero for the 2b52. the voltage drop across the banier must be considered when choosing the load resistance. the entity approval provides the user with the flexibility to choose a banier that best satisfies the requirements. warning: substitution of components may impair intrinsic safety. calibration factory calibration: models 2b52 and 2b53 may be factory or user calibrated. if factory calibration is desired, the thermo- couple type and zero and span temperatures (in c) must be specified. when specified temperature ranges are ordered, both span and zero calibration resistors are factory installed. values indicated in table i are for reference purposes only. table i shows available factory ranges. refer to ordering information guide for range ordering codes. table i. thermocouple range chart field calibration: the following procedure is recommended for calibration. a precision voltage source is required. 1. make connections as shown in figure 4. use a precision millivolt source. 2. with a precision dvm referenced to cal com, measure the cjc voltage from - tc to cal com points. this should be approximately -10 mv to -11 mv for types k and t, -14 mv for type j. with respect to ambient temperature, and referring to standard millivolt/temperature tables, determine the appropriate millivolt output for the thermocouple type being used. this number will be sign inverted and added to rev. a the measured cjc voltage. these combined voltages must be algebraically added to the millivolt span of the thermocouple being simulated. 00 2b52/2b53 ww",'an ao.' .oj c..l wi< ) ouii'u' -10 ,'e +- '-'-'-'-'-' figure 4. 2b5212b53 calibration connections 3. determine zero and span points for expected measurement for the thermocouple being used from standard millivolt/ temperature tables. 4. add the cjc voltage (from step 2) to the zero and span millivolt values. for example: zero and span millivolt values = 0 m v to +25 m v measured cjc voltage = -10m v output at ambient temperature = 1.5 mv (invert sign) corrected zero and span values = -11.5 mv to + 13.5 mv 5. set millivolt source for minimum input signal (determined in step 4) and adjust zero potentiometer, if necessary, to obtain an output reading of 4 :to.0 16 ma. 6. set millivolt source for maximum input signal (determined in step 4) and adjust span potentiometer, if necessary, to obtain an output reading of20 :to.oi6 ma. 7. repeat steps 5 and 6 until both readings are constant, since zero and span are slightly interactive. model 2b57 ad590 temperature transmitter the model 2b57 is a low cost, two-wire temperature transmitter designed to interface with analog devices' ad590 temperature transducer and produce a standard 4-20 ma output current proportional to the measured temperature. the 2b57 features a low span drift of:t0.005%/oc max, low nonlinearity (:to.o5% max) and high noise immunity to assure measurement accuracy in harsh industrial environmems. the ad590 is a calibrated two-terminal temperature sensor producing a current in microamperes (11ja/k) that is linearly proportional to absolute temperature for temperatures from -55c to + i50ac. the ad590 sensor is available in a hermeti- cally sealed to-52 transistor package, a miniature flat pack, chip form and stainless steel probes (ac2626). the sensor construction assures reliable isolation from ground. the ad590 is available in linearity grades of 0.3c, oaoc, o.boc, 1.5c and 3.0c. the grade selection will depend on whether the device is used uncalibrated or with calibration at a single value. for greater accuracy (in any grade), the device may be calibrated at two points. the 2b57a-i is mounted in an aluminum case including screw terminals for connecting an external sensor and power. this housing may be surface mounted in racks, cabinets, nema enclosures, etc., or snapped omo standard relay tracks. -5- ~ coarse trim (0) total span 2b52 2b53 type range in c (in millivolts) zero span zero span t -100 to +300 18.238 102 k l.4k 90.9 k 1.27 k 0 to +200 9.286 69.8 k 715 d 66.5 k 649d 0 to +500 27.388 90.9 k 2.15 k 84,5 k 1.96 k j -100 to +300 20.957 140 k 1.62 k 133 k 1.47 k 0 to +750 42.283 200 k 3.32 k 180 k 3.09 k -100 to +300 15,76 100 k 1.21 k 75 k uk k 0 to +600 24.902 169 k 1.96 k 140 k 1.78 k 0 to + 1000 41.269 237 k 3.24 k 200 k 3m k obsolete
analog devices fax-on-dehand hotline - page 13 28 series operating instructions the 2b57 is factory calibrated to :to.5% accuracy for the -55c to + 150c measurement range. sensor calibration error is the major contributor to maximum total error in all ad590 grades. user accessible zero and span trim potentiometers providing :t3% adjustment range permit sensor calibration trim. to trim this error, the temperature of the ad590 is measured by a reference temperature sensor and zero is adjusted to the calculated value of the 2b57 output current at that temperature. a reference temperature near the midpoint of the span should be selected. for best measurement accuracy over temperature, zero and span should be trimmed with the ad590 at two known tem- peratures. with the ad590 at the lower temperature, zero is adjusted to the calculated value of the 2b57 output current at that temperature. with the ad590 at the higher temperature, span is then adjusted so that the calculated value of the 2b57 output current corresponds to the higher temperature. model 2b58 li~earized rtd temperature transmitter model 2b58 accepts a platinum rtd (resistance temperature detector) input and produces a 4-20 ma output current pro- portional to the measured temperature. the rtd signal is internally linearized to provide an output that is linear with temperature. four pre calibrated ranges are available for rtd measurements &om -100c to +400c. the 2b58a features high accuracy (:to. 1 %), low span drift (:to.05%/c), high normal-mode rejection (56 db @ 60 hz) and rfi immunity. both 2-wire and 3-wire 100 q sensors may be used. lead wire compensation is provided for 3-wire rtds. the 2b58a is approved by factory mutual for intrinsically safe use in hazardous locations. a metal enclosure offers environ- mental protection and screw terminal input and output connec- tions. it may be either surface or relay track mounted. please note: in addition to the standard ranges, special ranges of the 2b58a are also available; order 2b58-custom and indicate the desired temperature range. any temperature range within the standard range of the 100 q platinum rtd (a = 0.00385) may be specified providing that the input range is at least 5 mv (which is provided by a 10 q span when using the 0.5 ma excitation current) and the span endpoints are a mul- tiple of 10c or 10f. consult a 100 q platinum rtd table to determine a range that will provide at least this minimum span. there is an additional charge for custom ranging. 00 zero span adj adj 2858 r;--j output """"i~ '_2_3_4_5_6 100"- rtd (j.wih~i +116~"1's'~v figure 5. model 2b58 basic application operating instructions the 2b58a is designed to operate with either 2-wire or 3-wire rtds. the connections shown in figure 5 are for 3-wire rtd operation. a dc power supply and a series load resistor to moni- tor the 4-20 ma output signal may be located remotely from the transmitter and connected by a simple twisted pair of copper wires. if a 2-wire rtd is used, a jumper must be installed be- tween terminals 1 and 3. the transmitter contains individual zero and span adjustments which are readily accessible to permit ease of field calibrations. ~ooijs lo~ cla:is i. division '. groups a.b,c . 0, "" loealiu" 00 z analog devices fax-on-dehand hotline - page 1~ 28 series field calibration: if field calibration of the 2b58 to the speci- fied range is desired, the following procedure is recommended: 1. connect the transmitter as shown in figure 7. substitute a resistance standard for the rtd and use a load resistor as specified for the appropriate power supply voltage (e.g., 400 q for a +24 v). 00 "0" "'an aoj a~j 2656 jum'" _ 1 ml . ~1rt'\j a' "ostance stan,.afo figure 7. 2858 calibration connections 2. determine resistance range of input from temperature - resistance table (tab]e ii). for example, a measurement range of oc to +200c corresponds to the resistance range of 100.0 q to 175.84 q. table ii. temperature vs. resistance calibration values for 100 fi platinum, ix = 0.00385 rtd (standard din 43760) 3. connect required minimum input resistance standard. adjust zero potentiometer, if necessary, to obtain an output of 4to.016ma. 4. connect required maximum input resistance standard. adjust span potentiometer, if necessary, to obtain an output of 20 to.016 ma. 5. repeat steps 3 and 4 until readings converge. rev. a model 2b59 low cost rtd temperature transmitter the mode] 2b59 accepts an rtd sensor input and pro- duces a 4-20 ma output proportional to the measured temperature. the rtd signa] is internally linearized to provide an output which is linear with temperature. the 2b59 is a true two-wire transmitter, with the same wiring used for power and output. the load resistance is con- nected in series with a dc power supply (+ vs) and the cur- rent drawn from the supply is the 4-20 ma output signal. this transmitter features high calibration accuracy. several factory calibrated temperature measurement ranges are available for standard platinum and nicke]- iron rtds. both zero and span user accessible screwdriver adjustments are provided for fine calibration after installation if needed. the 2b59 is packaged in a small (1.2/1 x ]s' x os'), rug- ged, epoxy encapsulated module and may be mounted with a single screw. connections to the transmitter are made via four color coded leads using standard wire nuts. a basic 2b59 application is illustrated in figure 8. v'upplv +10vtoij5vrl, figure 8. 2859 8asic app/ication calibration 1. connect the transmitter as shown in figure 8. substitute a resistance standard for the rtd and use a load resis- tor for the appropriate power supply voltage, as specified by the load resistance equation. 2. determine minimum and maximum resistance values of sensor being used from standard resistance/temperature tables. (for example, for a ] 00 pt sensor, a measure- ment range of oc to + 100c corresponds to the resis- tance range of 100.0 d to 138.50 d.) 3. connect required minimum input resistance standard. adjust zero potentiometer, if necessary, to obtain an output of 4 to.o 16 ma. 4. connect required maximum input resistance standard. adjust span potentiometer, if necessary, to obtain an output of20 to.016 ma. 5. repeat steps 3 and 4 until readings converge. -7- sensor sensor c resistance (fi) c resistance (n) -150 39.65 +150 157.32 -100 60.20 +200 175.84 -50 80.25 +250 194.08 0 100.00 +300 212.03 +50 119.40 +350 229.69 +100 138.50 +400 247.06 obsolete
analog devices fax-on-demand hotline - page 15 28 series 2b series ordering information 2b24 loop powered isolator 4-20 ma input, 4-20 ma output, 1500 v isolation 4-20 ma input to 4-20 ma output, or 10-50 ma input to10-50 ma output, ls00 v isolation model number 2b21a 2b24b 2b52 and 2b53 thermocouple temperature transmitter two-wire, 4-20 ma output, isolated input 2bs2a-1-x-xx 2bs2-custom 2bs3a-1-x-xx 2bs3-custom same as 2bs2a, nonisolated input ordering convention: 2bs2a and 2bs3a select model 2bs2a 2bs3a model - ~ xx x 1 - ) select housing 1 - standard enclosure select thermocouple type j, kort select temperature range 01 through 06 no. 01 02 03 04 os 06 thermocouple types, j, k, t: type t: type j: type k: type j: type k: temperature range -100c to +300c (-148f to +s72f) o'c to +200'c (+32f to +392f) oc to +sooc (+32'f to +932'f) oc to +600'c (+32f to +1112f) ooe to +7s0c (+32f to +1382f) oc to +1000oe (+32f to +1832f) custom ranging ordering example: thermocouple type: temperature range: 2bs2-custom t -soc to + isoc notes when ordering a "_custom" range, it is necessary to consult the appropriate thermocouple table to determine a temperature span that provides at least 5 mv. custom ranges can be ordered for thermocouple types j, k, t, e, r, sand b. 2b57a-i two-wire temperature transmitter for use with ad590 2bs7 a-i 2b58 rtd linearized tempera ture transmitter model number two-wire, linearized, platinpm rtd input, 4-20 ma output i 2b58a-i-i-xx 2b58-custom ordering convention: 2bs8a 2bs8a - i-x-xx j 1 select housing 1 - standard enclosure select sensor type- 1 - 100 q platinum, a '" 0.00385 select temperature range 01 through 04 no. 01 02 03 04 temperature range -100c to +iooc (-148f to +212'f) ode to +100c (+32f to +2i2p) oc to +200c (+32f to +392f) oc to +400c (+32f to +7s2f) custom ranging ordering example: 2bs8-custom temperature range: -soc to + isoc note when ordering a "_custom" range, it is necessary to consult a 100 q platinum rtd table to determine a range that will provide at least a 5 mv minimum span. also re- quired is that the span endpoints are multiples ofl ode or 1 o'f, i.e., -20'c to +130'c. 2b59 rtd temperature transmitter two-wire, linearized, platinum and nickel iron rtd inputs, 4-20 ma output, surface mount ordering convention: 2b59a model number 2bs9a-0-x-xx select enclosure 0 - module 2bs9a - 0 - ~ x-xx j select sensor type i - 100 q platinum, a '" 0.00385 2 - 1000 q nife, a '" 0.00527 3 - 2000 q nife, a '" 0.00s27 select temperature range 01 through 06 no. temperature range 01 -18c to +38c (oc to +1o0f) 02 -7c to +49c (+20op to +120f) 03 +10c to +66c (+50f to +150f) 04 oc to +iooc (+32f to +130'f) os -34c to +s4'c (-30'f to + 130f) 06 +93e to +204c (+200f to +4000p) sensor types sensor types i, 2 sensor types i,. 2, 3 sensor types 1, 2 sensor types i, 2, 3 sensor type 3 sensor type 3 -8- rev. a [j; ~ 't jj 0:) u ~ ~ :::> ~ 0 ~ ~ c: c.. obsolete
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