KB-501x點型氣體探測器解讀

1、目錄1. 概述 12. 主要技術(shù)指標(biāo)23. 外殼結(jié)構(gòu)及各部件結(jié)構(gòu)示意圖 34. 接線說明55. 操作說明75.1 一級報警點設(shè)置 85.2二級報警點設(shè)置 85.3零點校正85.4單點標(biāo)定96. 常見故障及解決辦法 97. 注意事項98. 保修與維護(hù)109. 配件10附表：檢測氣體及量程 11KB-501X/KB-501SG點型氣體探測器產(chǎn)品使用說明書1概述KB-501X/KB-501SG 點型氣體探測器是我公司生產(chǎn)的新型氣體檢測儀器，本機采用高性能催化燃燒（可燃?xì)怏w卜電化學(xué)（氧氣、有毒氣體）、紅外（二氧化碳、甲烷）和 PID （VOC ）氣敏元器件和微控制器技術(shù)， 結(jié)合精良SMD工藝制造而成，

2、具有良好的重復(fù)性和溫濕度特性、使用壽命長、操作方便等優(yōu)點。適應(yīng)于工業(yè)環(huán)境中檢測氣體濃度。alnKB-501X/KB-501SG 點型氣體探測器將空氣中指定測量氣體濃度信 號轉(zhuǎn)化為數(shù)字信號顯示，采用三線制420mA的電流信號輸出和四線制 RS485總線輸出方式，具有傳輸距離遠(yuǎn)、抗干擾性能好等特點。并具有 二級聲光報警功能。KB-501X/KB-501SG 點型氣體探測器適用于煉油、化工、液化氣站、 燃?xì)?、鋼鐵、鍋爐房、加油加氣站、噴漆房等使用或產(chǎn)生易燃易爆氣體 和有毒有害氣體的工業(yè)現(xiàn)場，進(jìn)行氣體安全檢測報警。1.1本產(chǎn)品設(shè)計、制造、檢定遵守以下國家標(biāo)準(zhǔn)：GB15322.2-2003可燃?xì)怏w探測器

3、第2部分：測量范圍為 0100%LEL的獨立式可燃?xì)怏w探測器GB3836.1-2000爆炸性氣體環(huán)境用電氣設(shè)備第1部分： 通用要求GB3836.2-2000爆炸性氣體環(huán)境用電氣設(shè)備第2部分： 隔爆型“ d”GB16808-1997可燃?xì)怏w報警控制器技術(shù)要求和試驗方法GB4208-93外殼防護(hù)等級（IP代碼） GB/T13384-92機電產(chǎn)品包裝應(yīng)用技術(shù)條件2主要技術(shù)指標(biāo)檢測原理：催化燃燒式（可燃?xì)怏w）電化學(xué)（氧氣/有毒氣體）NDIR 紅外式（二氧化碳/甲烷）PID 光離子（VOC有機揮發(fā)物）檢測氣體：可燃?xì)怏w（烷類、醇類、烯類、酮類、汽油等）、氧氣、有毒氣體（一氧化碳、氫氣、氨氣、氯氣、硫化氫

4、等）采樣方式：自然擴散；測量范圍：見第11頁附表分 辨 率：可燃?xì)怏w 1%LEL氧氣：0.1%VOL有毒氣體 O.lppm / 1ppm ；測量誤差滿量程土 5%報警點土 3%顯示方式4位LED數(shù)碼管顯示測量值；狀態(tài)指示3個LED指示故障、一級報警、二級報警；調(diào)試方式紅外遙控；報警方式LED指示報警、繼電器輸出、聲光報警（KB-501SQ ；響應(yīng)時間v 30s （可燃?xì)怏w），v 60s （有毒氣體）；恢復(fù)時間v 30s ；環(huán)境溫度40C70C；相對濕度v 95%防爆方式隔爆型；防爆等級Exd n CT6;電 源：DC24V± 25% 輸出信號：電流：420mA總線：RS485開關(guān)量：

5、2個功 耗：w 3W安裝鑼紋：G1/2;使用電纜：RVVF3X 1.5mm2;探測器與主機間最大距離：w 1000m;整機重量：w 2000g;壓力限制：86kPa106kPa;執(zhí)行標(biāo)準(zhǔn)：GB15322.2-2003、GB50493-2009。3外殼結(jié)構(gòu)及各部件結(jié)構(gòu)示意圖3 - 一1111KB-501X序號名荊序號名稱182傳感器腔體9接線螺母3下殼10示值窗口4上賽11高報婆指示燈5接地螺絲12低報警指示燈6紅夕卜接收窗13螂t推示燈7妥裝孔#4JH-名稱1前護(hù)章3血L2傳感讎腔體9接線星母3下亮10示值裔口4上畫115搔地摞絲12低抿警指示燈S紅外接收窗13故瞳揩示燈?安裝孔14蘆光報警銀

6、6KB-501X/KB-501SG點型氣體探測器產(chǎn)品使用說明書7KB-501X/KB-501SG點型氣體探測器產(chǎn)品使用說明書4接線說明#KB-501X/KB-501SG點型氣體探測器產(chǎn)品使用說明書KB-501SG型氣體探測器接線注意事項：探測器如上5.1安裝位置和5.2安裝方法固定牢固后， 將探測器的前 蓋旋下，擰開接線螺母，取出接線孔中的防爆墊片，然后將四芯傳輸電 纜依次穿上接線螺母、墊圈、橡膠密封圈，并從接線孔穿入至殼體內(nèi)。 根據(jù)防爆要求，未使用到的接線孔請勿將其中的防爆墊片取出，探測器 殼體及內(nèi)部電路板上的所有部件請勿隨意丟棄。將導(dǎo)線按標(biāo)記分別接到殼體內(nèi)對應(yīng)的接線端子上，檢查接線正確無

7、誤后，再將殼體內(nèi)多余的電纜線抽出，最后將壓緊螺母擰緊，壓緊橡膠 密封圈，抱緊電纜線(隔爆設(shè)計要求)。使用防爆軟管時也可與本探測器直接連接?？刂破骱吞綔y器之間，用線徑不小于RVVF3X 1.5mm2 (< 1000m) 三芯電纜連接。各環(huán)節(jié)連接檢查無誤后，將前蓋旋緊。根據(jù)用戶現(xiàn)場條件，也可先把電纜接好，再將探測器固定。5操作說明儀器開機后會進(jìn)入 30秒預(yù)熱倒計時，然后依次顯示以下信息軟件版本低報值高報值滿量程濃度單位遙控器按鍵由確認(rèn)、設(shè)置、取消、+、-、輔助4 （左移位）、輔助6 （右移位）7個按鍵組成。注意：“設(shè)置”鍵，“確認(rèn)”鍵，“取消”鍵都是單次觸發(fā)按鍵，即使一直 按鍵也只能觸發(fā)一次

8、，兩次按鍵之間要有1s以上間隔；“ + ”鍵，“”鍵為連續(xù)觸發(fā)鍵，一直按鍵可重復(fù)觸發(fā)。功能設(shè)置必須按“確認(rèn)”鍵以 后才會生效，設(shè)置完畢后需按“取消”鍵退出設(shè)置才能回到正常狀態(tài)。有 效設(shè)置內(nèi)容可斷電保持，直到下次更改生效為止。顯示狀態(tài)說明：1正常：數(shù)碼管顯示“ XXXX % LEL（XXXX為正常值），指示燈不亮；2故障指示：數(shù)碼管顯示“ FAUL'，故障燈（黃色）亮；3 一級報警：數(shù)碼管顯示“ XXXX % LEL（XXXX為大于等于一級報警值小于二級報警值），一級報警燈（紅色）亮（回落時需低于一級報警值 再減回差值才能取消一級報警）；4二級報警：數(shù)碼管顯示“ XXXX % LEL（X

9、XXX為大于等于二級報警值）， 一級報警燈（紅色）和二級報警燈（紅色）亮（回落時需低于二級報警值再減回差值才能取消二級報警）；5 一級報警設(shè)置：數(shù)碼管顯示“ P-1 ”，由此可進(jìn)入一級報警設(shè)置；6二級報警設(shè)置：數(shù)碼管顯示“ P-2 ”，由此可進(jìn)入二級報警設(shè)置；7零點校正：需要密碼進(jìn)入（參照5.3）;8單點標(biāo)定：需要密碼進(jìn)入（參照 5.4）；5.1 一級報警點設(shè)置由正常狀態(tài)按“設(shè)置”鍵一次，顯示“一”，按“確認(rèn)”鍵，顯示“P1 ”閃爍再次按“確認(rèn)”鍵即顯示默認(rèn)一級報警值（低報警值），需要改動此值時可按“ + ”鍵或“-”鍵增加或減少一級報警點值（可燃?xì)?體：范圍在1025;有毒氣體：根據(jù)不同氣體

10、報警值設(shè)置不同），然后按“確認(rèn)”鍵即記憶當(dāng)前設(shè)置的一級報警值。退出后立即生效。此時顯示 “P1”，可按“ + ”鍵或“”鍵繼續(xù)其他設(shè)置，也可按“取消”鍵退出， 回到正常狀態(tài)。5.2二級報警點設(shè)置由正常狀態(tài)按“設(shè)置”鍵一次，顯示“一”，按“確認(rèn)”鍵，顯示“P1 ”閃爍，按“ + ”鍵顯示“ P2 ”閃爍，再次按“確認(rèn)”鍵即顯示默認(rèn) 二級報警值（高報警值），需要改動此值時可按“ + ”鍵或“”鍵增加 或減少二級報警點值（可燃?xì)怏w：范圍在3050;有毒氣體：根據(jù)不同氣體報警值設(shè)置不同），然后按“確認(rèn)”鍵即記憶當(dāng)前設(shè)置的一級報警值。 退出后立即生效。此時顯示“ P2”，可按“設(shè)置”鍵繼續(xù)其他設(shè)置，也可

11、 按“取消”鍵退出，回到正常狀態(tài)。5.3零點校正1、將氣體探測器置于潔凈空氣中；2、按說明書給探測器接入 DC24V電源；3、 按“設(shè)置”鍵一次，屏幕顯示“-”，通過“移位”鍵和“ +”、“-” 鍵輸入“ SOE，按“確認(rèn)”鍵即進(jìn)入零點標(biāo)定狀態(tài)，待采樣值穩(wěn)定后，按“確認(rèn)”鍵保存，儀器自動退出標(biāo)定狀態(tài)。 注意一定要放在潔凈空氣環(huán)境中，不可在正常工作時進(jìn)行此項設(shè)置。5.4單點標(biāo)定傳感器使用一定時間后，將由于飄移而導(dǎo)致測量結(jié)果產(chǎn)生誤差，為 了方便用戶自行校正，KB-501XKB-501SG 具有單點校正功能。1、 按說明書給探測器接入DC24V電源；2、 按“設(shè)置”鍵一次，屏幕顯示“-”，通過“移位

12、”鍵和“ +”、“-” 鍵輸入“ CAE，按“確認(rèn)”鍵 即進(jìn)入高點標(biāo)定狀態(tài)；3、通入指定濃度的標(biāo)準(zhǔn)氣體，待采樣值穩(wěn)定后，按“確認(rèn)”鍵后進(jìn)入濃 度值調(diào)整狀態(tài)，將此數(shù)值調(diào)整為與通入標(biāo)準(zhǔn)氣體的濃度值一致后，再按“確認(rèn)鍵”保存，儀器自動退出標(biāo)定狀態(tài)。注意正確操作，不可在正常工作時進(jìn)行此項設(shè)置。6常見故障及解決辦法故障現(xiàn)象故障原因處理方式顯示“ FAUL'故障接線錯誤斷線 或傳感器壞重新接線或更換傳感器對檢測氣體無反應(yīng)傳感器壞更換傳感器電路故障廠家維修與控制器連接異常布線故障檢杳線路電路故障廠家維修7注意事項a）本機需在無腐蝕性氣體、油煙、塵埃并防雨的場所使用，防止從高 處跌落或受劇烈震動。b）

13、探頭處不得有快速流動氣體直接吹過，否則會影響測試結(jié)果。c）勿使本機經(jīng)常接觸濃度高于檢測范圍以上的高濃度氣樣，否則會損 失傳感器工作壽命。d）對于混合性可燃?xì)怏w或液體蒸氣等監(jiān)測氣樣與標(biāo)定氣樣不同的環(huán)境，本機檢測結(jié)果會與實際氣體濃度有一定誤差。e）本機出廠前均經(jīng)嚴(yán)密檢查測試，為保證測量精度，應(yīng)定期進(jìn)行校準(zhǔn) 標(biāo)定，一般半年校準(zhǔn)一次，也可根據(jù)現(xiàn)場有關(guān)規(guī)定進(jìn)行。f）推薦催化燃燒式傳感器使用壽命為三年，電化學(xué)傳感器使用壽命為 二年。g）紅外遙控器不使用時請將電池取出，以增長使用壽命和避免泄露對 遙控器的影響。8保修與維護(hù)本產(chǎn)品保修期一年，正常使用情況出現(xiàn)故障，可享受免費工廠維修、 維護(hù)服務(wù)。對于人為及自然

14、災(zāi)害、非正常使用所造成的損害不屬保 修范圍。若傳感器壽命到期，請與我公司聯(lián)系，以便更換新的傳感器。 若用戶不能排除故障，可將儀器寄回我公司維修，我們將以最快的 速度排除故障并交回用戶。9配件整機配件:KB-501X/KB-501SG點型氣體探測器1臺產(chǎn)品使用說明書1份合格證1份包裝盒1個氣體量程范圍氣體量程范圍甲烷0-100%LEL丙醛（液體）0-100%LEL乙烷0-100%LEL乙酸甲酯0-100%LEL丙烷0-100%LEL乙酸0-100%LEL丁烷0-100%LEL氧氣0-30%VOL乙烯0-100%LEL一氧化碳0-500,0-2000ppm丙烯0-100%LEL環(huán)氧乙烷0-100，

15、 0-1000ppm丁烯0-100%LEL氟化氫0-10ppm丁二烯0-100%LEL氰化氫0-50ppm乙炔0-100%LEL氯氣0-50ppm環(huán)丙烷0-100%LEL氯化氫0-30ppm丙酮0-100%LEL氨氣0-100ppm丁酮0-100%LEL硫化氫0-100， 0-1000ppm液化石油氣0-100%LEL磷化氫0-20,0-2000ppm汽油（液體）0-100%LEL二氧化硫0-20,0-2000ppm乙醛0-100%LEL二氧化碳0-2000 ， 0-5000ppm苯（液體）0-100%LEL二氧化氮0-20,0-2000ppm甲苯0-100%LEL臭氧0-20ppm氯乙烷0-

16、100%LELVOC0-200,0-2000ppm附表檢測氣體及量程因氣體種類繁多，未盡氣體類型及特殊量程要求，請聯(lián)系廠商。13Content1. Description 12. Technical Parameter 23. Structural Representation 44. Connection Directions 65. Operation Instructions 85.1 Grade-1 alarm setting 105.2 Grade-2 alarm setti ng 105.3 Zero calibration 115.4 Sin gle-poi nt calibra

17、tion 116. Common problems and solutions 127. Notes128. Warranty and Maintenance 13Standard Delivery 14KB-501X/KB-501SG點型氣體探測器產(chǎn)品使用說明書1. DescriptionGas detector KB-501X / KB-501SG is a new type gas detection device which used high performanee gas sensors (catalytic combusti on sen sor for combustible

18、gas, electrochemical sen sor for oxyge n and toxic gas, NDIR in frared sen sor for carb on dioxide and methane, PID sensor for VOCs) and microcontroller, employed sophisticated SMD tech no logy. It has follow ing adva ntages:good repeatability, high resista nee to humidity-temperature jammi ng.long

19、performanee life and simple operation. It is applied to in specti on for appo in ted gas concen trati on in in dustrial en vir onmen ts.KB-501X/ KB-501SG can translate the appointed gasconcentration signals into digital signals for display. Three-wire system 420mA electric current signals and four-w

20、ire system RS485 bus output, with long transmission distanee and good anti-inference capacity. In addition, it has two-stage alarm function with acoustic and visual sig nals.KB-501X / KB-501SG is applied to gas safety in spection and alert for in dustrial see ne, such as petroleum refi nery, chemica

21、l pla nts, LPG stations, boiler rooms, gas stations, paint spray booths, etc.1.1 The design, manufacture and calibration complies the following national standards:GB3836.1-2000vElectricalequipme ntforexplosivegasatmospheres Part 1: General requirements>GB3836.2-2000vElectricalequipme ntforexplosi

22、vegasatmospheres Part 2Explosion insulating type“ d” >GB16808-1997 <Tech no logy requireme nts and test ing methods for combustible gas alarm con troller>GB4208-93 <Enclosure protection class(IP code) > GB/T13384-92 <Tech ni cal co nditio ns for mecha ni cal a nd electrical product

23、s packag ing applicati ons>2. Technical parameterDetection Principle:Catalytic combusti on (for combustible gas);Electrochemical (for 02 and toxic gas);NDIR infrared (for C02 and CH4);PID photoio ni zation (for VOCs)Applicable Gas:Combustible gas (alkanes, alcohol, vinyl, ketone, gasoline, etc),

24、oxyge n, toxic gas (CO, H2, NH3, Cl, H2S, etc)Sampli ng Method: Natural diffusi onDetect ing Ran ge: Referri ng to the gas parameter list on page 14.Resoluti on: Combustible gas: 1%LEL; 02: 0.1%VOL;Toxic gas: 0.1ppm / 1 ppmAccuracy: 5% F.S; 3% alarm threshold pointDisplay: Four-digit LED ni xietubes

25、 displayStatus Indication: Three LED indicate the failure, Grade-1 alarm, Grade-2 alarmCon trolli ng: In frared remote con trolAlarmi ng Method:LED indication ； Relay output;Acoustic-optical signal (only for KB-501SG)Response Time: v 30s (< 60s for some toxic gas)Resume Time: < 30sOperat ing T

26、emperature: -40C 70°CRelative Humidity: < 95%Explosi on-proof Type: Explosi on in sulat ingExplosi on-proof Grade: Ex d IIC T6Power Supply: DC 24V 25%Output Sig nal:Electric Curre nt: 420mABus: RS485Freque ncy: 2001000Hz (optio nal)Switchi ng Value: 2-wayPower Con sumpti on: < 3WScrew Thr

27、ead for Installation: G1/22Used Cable:沫WI3 x 1.5mmMax. Dista nee between Detector and HostW 1000mTotal Weight: < 2000gPressure: 86kPa 106kPaOperating Standard:GB15322-2-003、GB50493-20093. Structural Representation1KB-501X1Shield8Wiring Hole2Sensor Chamber9Connecting Nut3Under Shell10Indication Wi

28、ndow4Upper Cover11High Alarm Indicator Light5Grounding Screw12Low Alarm Indicator Light6Infrared Receiver Window13Fault Light7Mounting Hole14J UKB-501SG1Shield8Wiring Hole2Sensor Chamber9Connecting Nut3Under Shell10Indication Window4Upper Cover11High Alarm Indicator Light5Grounding Screw12Low Alarm

29、Indicator Light6Infrared Receiver Window13Fault Light7Mounting Hole14Audible-visual Annunciator6KB-501X/KB-501SG點型氣體探測器產(chǎn)品使用說明書4. Connection DirectionsLow alarm onqiiilHiyh ShininRS485 oirlpuf D 21V+l&C 24V-ointput<9©酚© |創(chuàng)創(chuàng)f out QJD 24V AB HS LS RS465尺 ELAVKB-501X右訂£ Detectoi+AL

30、-3D Vout V*7KB-501X/KB-501SG點型氣體探測器產(chǎn)品使用說明書#KB-501X/KB-501SG點型氣體探測器產(chǎn)品使用說明書Wire connecting diagram of KB-501X#KB-501X/KB-501SG點型氣體探測器產(chǎn)品使用說明書Wire connecting diagram of KB-501SGCaution:After fixed the detector, please open the upper cover, unscrew the connecting nut and take out the explosion-proof gask

31、et from the wiring hole. Then, let the four-wired transmission cable bore through the connecting nut, washer and rubber obturating ring orderly, fin ally through the wiring hole into the shell inner. Based on the request of explosion-proof, please do not take out the explosi on-proof gaskets in unu

32、sed wiri ng holes. In additi on, please do not discard the parts in the detector or on the inner circuit board.Connect the wire to the terminals in the shell inner according to the marks. En sure the connection correct, the n, extract the spare cable from the shell. Finally tighten the nut and rubbe

33、r obturating ring to muffle the cable tightly (based on the request of explosion-proof design). Also, the explosion-proof hose can be connected to the detector directly.Connect the detector and controller with a three-core cable which has a wire diameter ofRWf3x 1.5mm ( < 1000m) at least.After ch

34、ecked the link connection, please tighten the upper cover. Based on the field conditions, it is also all right if you fix the detector after conn ected the cables.5. Operation InstructionsAfter switched on, there will be a 30-sec ond coun tdow n for preheat. Then, below in formati on will be display

35、ed gradually:Software version; Low alarm value; High alarm value; Full scale; concen trati on un it.There are seve n keys of set , en ter , ex,t 亍 and , J” on the remote controller.Remark: The keys of set, en ter and exit are sin gle trigger butt on which will only trigger one time even if you keep

36、pressing the key. Please keep a second ' interval between two keystrokes.The keys of +' -a'ndare'c on ti nu ous trigger butt on which will be continuous trigger under you keep pressing. Function setting will besaved only after the key of“ enter ” pressed. After the setting, plpress t

37、he key of “ exit ” to return to the normal status. Tha saved will be maintained eve n after power dow n, un til n ext update data be saved.Description of the display:1. Normal status： Digital displays“XXXX %LEL (XXXX is theno rmal value) with in dicator light black out.2. Fault indication: Digital d

38、isplaysh“tFAUti£ilt light on(yellow).3. Grade-1 alarm: Digital displays“XXXX %LEL (XXXX is thevalue which is not lower than Grade-1 alarm threshold value but lower than Grade-2 alarm threshold value) with the low alarmindicator light on (red). If the value fell, only when it is lower than the G

39、rade-1 alarm value you can subtract the differenee value to can cel the Grade-1 alarm sett ing.4. Grade-1 alarm: Digital displays“XXXX %LEL (XXXX is thevalue which is not lower tha n Grade-2 alarm threshold value)with the low alarm indicator light and high alarm indicator light on (both red). If the

40、 value fell, only when it is lower than the Grade-2 alarm value you can subtract the differe nee value to can cel the Grade-2 alarm sett ing.5. Grade-1 alarm setting: When digital displays “ P 1”you can go into the mode of Grade-1 alarm sett ing.6. Grade-2 alarm setting: When digital displays “ P 2”

41、you can go into the mode of Grade-2 alarm sett ing.7. Zero calibration: this menu can only be entered by using thepassword (referri ng to 5.3).8. Single point calibration: this menu can only be entered by using the password (referri ng to 5.4).5.1 Grade-1 alarm settingUnder the normal status press t

42、he key of “ set ” “” will bedisplayed. Press the key of “enter, ” “ P1” will blinking display. Press “ enter key again, the default value of Grad-1 alarm (low alarm value) will be displayed. Users can press ' to a+ustor the Grade-1 alarm value (for combustible gas, the range is 1025;for toxic ga

43、s, the value will be set in different ranges which depe nding on the gas types). Then, press “ en ter to memory the curre nt value which will be effective immediately after exit. Now,“ P 1 ” will be displayed on the screen. User can press ' to + set other parameters,or press “ exit to go back to

44、 normal work status.5.2 Grade-2 alarm settingUnder the normal status press the key of “ set ” “” will bedisplayed. Press the key of “enter, ” “ P1” will blinking display. Press“ +” key, “ P 2 ” will blinking display. Tnen, pressaga in, the default value of Grad-2 alarm (low alarm value) will be disp

45、layed. Users can press +' o ' "tcadjust the Grade-2 alarm value (for combustible gas, the range is 3050; for toxic gas, the value will be set in different ranges which depending on the gas types). Then, press“enter ” to memory the current value which will11KB-501X/KB-501SG點型氣體探測器產(chǎn)品使用說明書

46、be effective immediately after exit. Now,“ P 2 ” will be displathe screen. User can press +Or ' to set other parameters,or press “ exit ” to return to normal work status.5.3 Zero calibration1. Put the gas detector in clear air en vir onment.2. Access power of DC 24V accord ing to the directi on

47、in operati ng manu al.3. Press the key of“set ” ,“” will be displayed. Inputmenu by press ing be stable, press“ enter ” key. After the displayed sampling value “ enter ” key to save the current value and exit.press ing keys ofJ ” and enter zeroatcbrationCaution: Zero calibration must be operated in

48、clear air, do notoperate it in the normal working environment.5.4 Single-point calibrationAfter a period of usage, there may be errors caused by dift. I n order to facilitate user of correct ion, KB-501X/SG has the fun ctio n of sin gle-po int calibratio n.1. Access power of DC 24V accord ing to the

49、 direct ion in operati ngmanu al.2. Press the key of“set ” ,“” will be displayed. Inputpressing keys of+ , J , and enter singleointcalibration menu by pressing“enter ” key.3.lnlet the calibration gas (known concentration), wait until the displayed sampling value be stable. Press “ set key to enterii

50、KB-501X/KB-501SG點型氣體探測器產(chǎn)品使用說明書concentration value adjustment menu. Adjust the data to the same value as calibrati on gas concen trati on, press“ setsave and exit.Caution: Please operate in accordanee with proper procedures.Single-point setting can not be operated under the normal work con diti on.6.

51、 Common problems and solutionsSymptomsSource of TroubleTroubleshooting“FAUL” displayi ngConn ecti on error or broke n; Sen sor damageRewiri ng or replace thesensorNo resp onse to the detected gasSen sor damageReplace the sen sorCircuit faultFactory maintenanceAbno rmal conn ecti on with the con trol

52、lerWiring faultCheck the conn ected wireCircuit faultFactory maintenance7. Notes1) Keep the device away from corrosive gas, lampblack, dust and rain when it working. Avoid dropping from height or severe vibrati ons.2) There should be no rapid flow of gas near the probe, or it will impact the detect ing result.3) Do not regular con tact the device with high concen trati on gas which has higher concentration than the detecting range, or the sen sor life will reduce.4) For mixed combustible gas or liquid vapor, there may be errors in the