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specifications features data sheet zrj infrared gas analyzer this gas analyzer (zrj) is capable of measuring the concentrations of co 2 , co, ch 4 ,so 2 , no and o 2 components in sample gas. co 2 , co, ch 4 , no, and so 2 are measured by non-dispersion infrared method (ndir), while o 2 is measured by paramagnetic, fuel cell, or zirconia method. up to 4 components including o 2 (up to 3 components in measurement of gases other than o 2 ) can be measured simultaneously. a high-sensitivity mass flow sensor is adopted in the detection block for the infrared method. due to use of single beam system for measurement, maintenance is easy and an excellent stability is ensured for a long period of time. in addition, a microprocessor is built in and a large-size liquid crystal display is equipped for easier operation, higher accuracy and more functions. this analyzer is thus optimum for combustion control of various industrial furnaces, botanical study and global atmospheric research. 1. s i m u l t a n e o u s m e a s u r e m e n t o f 4 c o m p o n e n t s including o 2 a maximum of 4 components are simultaneously measurable; o 2 and three components selected from among co 2 , co, ch 4 , so 2 and no. measured values can be indicated through signal input from an externally installed o 2 analyzer. 2. excellent in long-term stability the original optics (measurement block) minimizes drift particularly due to contamination of a measuring cell, so an excellent stability is ensured for a long pe - riod of time. 3. subdued interference from other gas components interference from other gas components is insignifi - cant, because the detector is a serial dual-layer type transmission detector. 4. easy maintenance because of single-beam system the measurement block is simple with no need for optical balance adjust - ment. therefore, maintenance is easy. 5. easy to operate operation can be carried out smoothly in an interactive way through a large-size liquid crystal display. 6. abundant functions ? zero point and span can be accurately calibrated just by pressing the calibration keys. further, the analyzer is settable so as to carry out automatic calibration periodically. ? an error will be detected by self-diagnostic function and indicated by error message. ? besides, a rich variety of functions are provided including remote range input, range discrimination signal output, output signal holding and upper/lower limit alarm. standard specifcations principle of measurement: co 2 , co, ch 4 , so 2 , no; non-dispersion infrared-ray absorption method single light source and single beam (single beam system) o 2 ; paramagnetic type (built in), fuel cell type (built in) or zirconia sensor method (o 2 sensor externally installed) measurable gas components and measuring range: minimum range maximam range co 2 co ch 4 so 2 o 2 (built-in paramagnet) o 2 (external zirconia) 0 C 200ppm 0 C 100vol% 0 C 100vol% 0 C 100vol% 0 C 5000ppm 0 C 100vol% 0 C 1000ppm 0 C 500ppm no 0 C 5000ppm 0 C 500ppm 0 C 5vol% 0 C 500ppm 0 C 25vol% 0 C 5vol% o 2 (built-in galvanic cell) 0 C 25vol% 0 C 10vol% ? max. 4 components measurement including o 2 . ? 1 or 2 measuring range per component. ? measuring range ratio 1:5 (except built in o 2 ) 1:20(built-in paramag- netic o 2 analyzer) for measurable components and possi - ble combinations of measuring ranges, refer to tables 1 to 9. EDS3-122I date may. 23, 2011
zrj 2 measured value indication: digital indication in 4 digits (lcd with cfl back light) ? instantaneous value of each component ? instantaneous value after o 2 correction (only in co, no,so 2 measurement with o 2 ) ? average value after o 2 correction (only in co, no,so 2 measurement with o 2 ) ? o 2 average value analog output signals: 4 to 20ma dc or 0 to 1v dc, non- isolated output. analog output corresponds to mea - sured value indication in 1:1. max. load ; 550 for 4 to 20 ma min. load ; dc100k for 0 to 1v dc * refer to table 10, for the channel no. of displayed values pand analog out - put signals. analog input signal: for signal input from externally installed o 2 sensor. signal requirement; (1) signal from fujis zirconia o 2 sen - sor (type: zfk7) (2) 0 to 1v dc from an o 2 sensor input section is not isolated. this fea - ture is effective when an o 2 sensor is not built in. * externally installed o 2 sensor should be purchased separately. relay contact output: 1a contact (250v ac/2a, resistive load) instrument error, calibration error, range discrimination, auto calibration status, solenoid valve drive for auto calibration, pump on/off. 1c contact (250v ac/2a, resistive load) upper/lower alarm contact output. peak count alarm contact output. * all relay contacts are isolated mutu - ally and from the internal circuit. contact input: non-voltage contact (on/0v, off/5v dc, 5ma fowing at on) remote range changeover, auto cali - bration remote start, remote hold - ing, average value resetting isolated from the internal circuit with a photocoupler. contact inputs are not isolated from one another. *only m3.5 screw terminals are used for all signal inputs and outputs. power supply: voltage rating ; 100v to 240v ac allowable range ; 85v to 264v ac frequency ; 50hz/60hz power consumption; 70va max. inlet ; conform to en60320 protection class i operating conditions: ambient temperature ; -5?c to 45?c ambient humidity ; 90% rh max., non-condensing storage conditions: ambient temperature; -20?c to 60?c ambient humidity ; 100% rh max., non-condensing dimensions (h x w x d): 19-inch rack mounting type; 177 x 483 x 493mm desk-top type; 194 x 483 x 493mm mass: approx. 10 kg finish color: front panel; off-white (munsell 10y7.5/0.5 or equivalent) casing; steel-blue enclosure: steel casing, for indoor use material of gas-contacting parts: gas inlet/outlet; sus304 sample cell; sus304/neoprene rubber infrared-ray transmitting window; caf 2 internal tubing; toaron tube gas inlet/outlet: rc 1 /4 or npt 1 /4 internal thread purge gas fow rate: 1l/min (when required) life time of fuel cell o 2 sensor: 2 years standard functions output signal holding: output signals are held during manual and auto calibrations by activation of holding (turning on its setting). the values to be held are the ones just before start calibration mode. indication values will not be held. remote output holding: output signal is held at the latest value by short-circuiting the remote output holding input terminals. holding is maintained while the termi - nals are short-circuited. indication val - ues will not be held. remote range changeover: measuring range can be changed ac - cording to an external signal when remote range changeover input is re - ceived. changeover is effective only when remote range setting is turned on. in this case, measuring range cannot be changed manually. when the contact input terminals for each component are short-circuited, the frst range is selected, and it is changed over to the second range when the ter - minals are open. range identifcation signal: the present measuring range is identi - fed by a contact signal. the contact output terminals for each component are short-circuited when the first range is selected, and when the second range is selected, the ter - minals are open. auto calibration: auto calibration is carried out periodi - cally at the preset cycle. w h e n a s t a n d a r d g a s c y l i n d e r fo r calibration and a solenoid valve for opening/closing the gas flow line are prepared externally by the customer, calibration will be carried out with the solenoid valve drive contacts for zero calibration and each span calibration turned on/off sequentially at the set auto calibration timing. 3 21Con 21Cos auto calibration cycle setting: auto calibration cycle is set. setting is variable within 1 to 99 hours (in increments of 1 hour) or 1 to 40 days (in increments of 1 day). gas fow time setting: the time for flowing each calibration gas in auto calibration is set. settable within 60 to 599 seconds (in increments of 1 second) auto calibration remote start: auto calibration is carried out only once according to an external input signal. calibration sequence is settable in the same way as the cyclic auto calibration. calibration starts by opening the auto calibration remote start input terminals after short-circuiting for 1.5 seconds or longer. auto calibration is started when the contacts open. auto zero calibration: auto zero caliblation is carried out peri - odically at the preset cycle. this cycle is independent on auto cali - bration cycle. when zero calibration gas and solenoid valve for opening/closing the calibration gas fow line are prepared externally by the customer, zero calibration will be carried out with the solenoid valve drive contact for zero caliblation turned on/off at the set auto zero calibration timing. auto zero calibration cycle setting: auto zero calibration cycle is set. setting is variable within 1 to 99 hours (in increments of 1 hour) or setting is vari - able within 1 to 40 days (in increments of 1 day). gas fow time setting: the timing for fowing zero gas in auto zero calibration it set. settable 60 to 599 seconds (in incre - ments of 1 second) upper/lower limit alarm: alarm contact output turns on when the preset upper or lower limit alarm value is reached. contacts close when the instantaneous value of each component becomes larger than the upper alarm limit value or smaller than the lower alarm limit value. instrument error contact output: contacts close at occurrence of ana - lyzer error no. 1, 3 or 10. calibration error contact output: contacts close at occurrence of manual or auto calibration error (any of errors no. 4 to 9). auto calibration status contact outputs: contacts close during auto calibration. pump on/off contact output: d u r i n g m e a s u r e m e n t , t h i s c o n t a c t close. while calibration gas is fowing, this contact open. this contact is con - nected in power supply of pump, and stop the sample gas while calibration gas fowing. optional functions o 2 correction: conversion of measured co and so 2 gas concentrations into values at stan - dard o 2 concentration correction formula: c = CCCCCCCC x cs c : sample gas concentration after o 2 correction cs : measured concentration of sample gas os : measured o 2 concentration on: standard o 2 concentration (value changeable by setting) *the upper limit value of the fractional part in this calculation is 4. the result of calculation is indicated and output in an analog output signal. average value after o 2 correction and o 2 average value calculation: the result of o 2 correction or instan - taneous o 2 value can be output as an average value in the determined period of time. used for averaging is the moving aver - age method in which sampling is car - ried out at intervals of 30 seconds. (output is updated every 30 seconds. it is the average value in the deter - mined period of time just before the latest updating.) averaging time is settable within 1 to 59 minutes (in increments of 1 min - ute) or 1 to 4 hours (in increments of 1 hour). average value resetting: the above-mentioned output of average value is started from the initial state by opening the average value resetting in - put terminals after short-circuiting for 1.5 seconds or longer. output is reset by short-circuiting and restarted by opening. co concentration peak count alarm: (added only for co/o 2 measurement) alarm output turns on according to the preset concentration and count. whenever the instantaneous value of co exceeds the preset concentration value, count increments. if the count exceeds the preset value in one hour, the alarm contacts close. communication function: rs-232c (9pins d-sub) half-duplex bit serial start-stop synchronization modbus tm protocol contents: read/wright parameters read measurement concen - tration and instrument status remark: when connecting via rs-485 in - terface, a rs-232c rs-485 converter should be used. zrj 4 installation requirements ? indoor use (select a place where the equipment does not receive direct sunlight, draft/rain or radiation from hot substances. if such a place cannot be found, a roof or cover should be prepared for protection.) ? avoide a place where receives heavy vibration ? select a place where atmospheric air is clean interference component co 2 analyzer so 2 analyzer built-in paramagnetic o 2 analyzer ch 4 analyzer co analyzer co 1000ppm co 2 15% h 2 o saturation at 20?c h 2 o saturation at 2?c ch 4 1000ppm CC CC CC CC 2% fs CC CC CC CC CC 1%fs 2%fs with inter- ference compen- sation 1%fs 1%fs for 500ppm analyzer, 2.5%fs 2.5%fs for 200ppm analyzer 50ppm 1%fs 1%fs for 200ppm analyzer, 2.5%fs 1%fs 0.5%fs 1%fs 1%fs no analyzer CC CC CC CC 60ppm 1%fs 1%fs 50ppm 1%fs 1%fs *the h 2 o interference of no and so 2 analyzer can be reduced by the interference compensation function. * 2%fs with inter- ference compen- sation * interference from other gases: standard requirements for sample gas flow rate : 1l / min 0.5l / min temperature : 0 to 50?c pressure : 10 kpa or less (gas outlet side should be open to the atmospheric air.) dust : 100 g/nm 3 or less in particle size of 0.3 m or less mist : unallowable moisture : below a level where saturation occurs at room temperature (condensation un - allowable). below the level where saturation oc - curs at 2?c for co measurement in 0 to 200 ppm range, no measurement, and so 2 measurement. corrosive component: 1 ppm or less standard gas for calibration: zero gas ; dry n 2 span gas ; e a ch s a m p l e g a s h av i n g concentration 90 to 100% of its measuring range (rec - ommended). gas beyond concentration 100% is unusable. in case a zirconia o 2 analyzer is installed externally and calibration is carried out on the same calibration gas line: zero gas ; dry air or atmospheric air span gas ; for other than o 2 measure - m e n t , e a ch s a m p l e g a s having concentration 90 to 100% of its measuring range for o 2 measurement, o 2 gas of 1 to 2 vol% performance repeatability : 0.5% of full scale linearity : 1% of full scale zero drift : 2% of full scale/week span drift : 2% of full scale/week response time : (for 90% fs response) 1 or 2 component measurement; within 15 seconds including replace - ment time of sample gas more than 3 components measurement; within 30 seconds including replace - ment time of sample gas ec directive compliance the product conforms to the requirements of the low voltage directive 73/23/eec and emc directive 89/336/ eec (as amended by directive 92/31/eec), both as amended by directive 93/68/eec. it conforms to following standards for product safety and electromagnetic compatibility ; en61010-1 : 2001 safet y requirements for electrical equipment for measurement, control and laboratory use. installation category ii pollution degree 2 en61326-1 : 1997, ai: 1998, a2: 2001 electrical equipment for measurement, control and laboratory use emc re - quirements. 5 principle diagram of ndir type measurement (for co 2 , co, ch 4 , so 2 , no) principle diagram of paramagnetic type measurement (for o 2 ) output indication signal processing and calculation block preamplifier mass flow sensor detector rear expansion chamber front expansion chamber infrared-ray light source motor measuring cell chopper gas outlet gas inlet output indication signal processing and calculation block preamplifier gas outlet gas inlet measuring cell mirror magnetic field photodiode permanent magnet permanent magnet led principle diagram of fule cell type measurment (for o 2 ) thermistor electrolyte diaphragm positive electrode negative electrode resistor zrj 6 to measure low moisture content (saturated at room temperature or lower) sample gas (co, co 2 , ch 4 ) zbm y04-0 (codes in to be selected depending on application) no. device name fujis type (1) (2) (3) (4) (5) (6) (7) (8) (9) (10) mist filter safety drain trap aspirator electoric cooler drain pot ball valve two-way solenoid valve standard gas for calibration flow meter membrane filter zbbk1v03-0 zbh51603 zbg80 zbc91003 zbh13003 (length 255mm) zbfb1 zbd42203 zbbm2v03-0 demister zbh35003 no 2 /no converter zdl02001 bubbler zbh65003 solenoid valve (11) (12) (13) (14) list of sampling devices (3) aspirator (7) two-way solenoid valve (7) (7) (7) solenoid valve (1) mist filter (5) drain pot (11) demister reference gas for zero calibration reference gas for span calibration (8) (6) ball valve (6) ball valve drain (9) flow meter exhaust (atmospheric pressure) (in the case of zirconia type) gas analyzer (zrj) o 2 analyzer (10) membrane filter to measure high moisture content sample gas, no, so 2 , or co (0 to 200 ppm range) (4) electronic cooler (2) safety drain trap (5) drain pot atmosheric o 2 analyzer (3) aspirator* (3) aspirator (7)two-way solenoid valve (14) solenoid valve (7) (7) solenoid valve (7)solenoid valve (1) mist filter (8) standard gas for zero calibration (8) standard gas for span calibration drain (9) flow meter exhaust (atmospheric pressure) (in the case of zirconia type) gas analyzer (zrj) (10) membrane filter (12) no x /no converter (for no x measurement) (6) ball valve (13) bubbller * be sure to use a dehumidifier for no, so 2 , and co analyzers of 0 to 200 ppm range (=2c saturation or lower). supply zero calibration gas at atmospher or contained in a cylinder after performing bubbling (humidifying) to decrease interference by interference compensation sampling device list (example) 7 code symbols description note note 1 note 2 note 2 note 3 note 4 note 1 note 5 note 6 note 4 digit 4 5 6 7 8 9 10 11 12 zrj 8 digit 13 14 15 16 17 9 digit 18 19 20 21 |
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