KB-501x点型气体探测器要点

1、目录1. 概述 12. 主要技术指标23. 外壳结构及各部件结构示意图 34. 接线说明55. 操作说明75.1 一级报警点设置 85.2二级报警点设置 85.3零点校正85.4单点标定96. 常见故障及解决办法 97. 注意事项98. 保修与维护109. 配件10附表：检测气体及量程 11KB-501X/KB-501SG点型气体探测器产品使用说明书1概述KB-501X/KB-501SG 点型气体探测器是我公司生产的新型气体检测仪器，本机采用高性能催化燃烧（可燃气体卜电化学（氧气、有毒气体）、红外（二氧化碳、甲烷）和 PID （VOC ）气敏元器件和微控制器技术， 结合精良SMD工艺制造而成，

2、具有良好的重复性和温湿度特性、使用寿命长、操作方便等优点。适应于工业环境中检测气体浓度。KB-501X/KB-501SG 点型气体探测器将空气中指定测量气体浓度信 号转化为数字信号显示，采用三线制420mA的电流信号输出和四线制 RS485总线输出方式，具有传输距离远、抗干扰性能好等特点。并具有 二级声光报警功能。KB-501X/KB-501SG 点型气体探测器适用于炼油、化工、液化气站、 燃气、钢铁、锅炉房、加油加气站、喷漆房等使用或产生易燃易爆气体 和有毒有害气体的工业现场，进行气体安全检测报警。1.1本产品设计、制造、检定遵守以下国家标准：GB15322.2-2003可燃气体探测器第2部

3、分：测量范围为 0100%LEL的独立式可燃气体探测器GB3836.1-2000爆炸性气体环境用电气设备第1部分： 通用要求GB3836.2-2000爆炸性气体环境用电气设备第2部分： 隔爆型“ d”GB16808-1997可燃气体报警控制器技术要求和试验方法GB4208-93外壳防护等级（IP代码） GB/T13384-92机电产品包装应用技术条件2主要技术指标检测原理：催化燃烧式（可燃气体）电化学（氧气/有毒气体）NDIR 红外式（二氧化碳/甲烷）PID 光离子（VOC有机挥发物）检测气体：可燃气体（烷类、醇类、烯类、酮类、汽油等）、氧气、有毒气体（一氧化碳、氢气、氨气、氯气、硫化氢等）采

4、样方式：自然扩散；测量范围：见第11页附表分 辨 率：可燃气体 1%LEL氧气：0.1%VOL有毒气体 O.lppm / 1ppm ；测量误差满量程土 5%报警点土 3%显示方式4位LED数码管显示测量值；状态指示3个LED指示故障、一级报警、二级报警；调试方式红外遥控；报警方式LED指示报警、继电器输出、声光报警（KB-501SQ ；响应时间v 30s （可燃气体），v 60s （有毒气体）；恢复时间v 30s ；环境温度40C70C；相对湿度v 95%防爆方式隔爆型；防爆等级Exd n CT6;电 源：DC24V 25% 输出信号：电流：420mA总线：RS485开关量：2个功 耗：w 3

5、W安装锣纹：G1/2;使用电缆：RVVF3X 1.5mm2;探测器与主机间最大距离：w 1000m;整机重量：w 2000g;压力限制：86kPa106kPa;执行标准：GB15322.2-2003、GB50493-2009。3外壳结构及各部件结构示意图KB-501X序号序号名称182传感器腔体9接线螺母3下壳10示值窗口4上赛11鬲报警指示灯5接地螺丝12低报警指示灯6红夕卜接收窗13故障指示灯7妥装孔#4名称1前护章32传感讎腔体9接线星母3下亮10示值裔口4上畫115接地螺迭12底报警指示灯S红外接收窗13故瞳指示灯?安装孔14芦光报警銀134接线说明KB-501SG型气体探测器接线注意

6、事项：探测器如上5.1安装位置和5.2安装方法固定牢固后， 将探测器的前 盖旋下，拧开接线螺母，取出接线孔中的防爆垫片，然后将四芯传输电 缆依次穿上接线螺母、垫圈、橡胶密封圈，并从接线孔穿入至壳体内。 根据防爆要求，未使用到的接线孔请勿将其中的防爆垫片取出，探测器 壳体及内部电路板上的所有部件请勿随意丢弃。将导线按标记分别接到壳体内对应的接线端子上，检查接线正确无 误后，再将壳体内多余的电缆线抽出，最后将压紧螺母拧紧，压紧橡胶 密封圈，抱紧电缆线(隔爆设计要求)。使用防爆软管时也可与本探测器直接连接。控制器和探测器之间，用线径不小于RVVF3X 1.5mm2 (GB3836.2-2000vEl

7、ectricalequipme ntforexplosivegasatmospheres Part 2Explosion insulating type“ d” GB16808-1997 GB4208-93 GB/T13384-92 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

8、 VOCs)Applicable Gas:Combustible gas (alkanes, alcohol, vinyl, ketone, gasoline, etc), 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: 0.1p

9、pm / 1 ppmAccuracy: 5% F.S; 3% alarm threshold pointDisplay: Four-digit LED ni xietubes 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-50

10、1SG)Response Time: v 30s ( 60s for some toxic gas)Resume Time: 30sOperat ing Temperature: -40C 70CRelative 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 (opt

11、io nal)Switchi ng Value: 2-wayPower Con sumpti on: 3WScrew Thread 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 Hole

12、2Sensor Chamber9Connecting Nut3Under Shell10Indication Window4Upper Cover11High Alarm Indicator Light5Grounding Screw12Low Alarm Indicator Light6Infrared Receiver Window13Fault Light7Mounting Hole14J UKB-501SG1Shield8Wiring Hole2Sensor Chamber9Connecting Nut3Under Shell10Indication Window4Upper Cove

13、r11High Alarm Indicator Light5Grounding Screw12Low Alarm Indicator Light6Infrared Receiver Window13Fault Light7Mounting Hole14Audible-visual Annunciator4. Connection DirectionsLow alarm onqiiilHiyh ShininRS485 oirlpuf D 21V+l&C 24V-ointput9酚 |创创f out QJD 24V AB HS LS RS465尺 ELAVKB-501X右訂 Detectoi+AL

14、-3D Vout V*11Wire connecting diagram of KB-501XWire connecting diagram of KB-501SGCaution:After fixed the detector, please open the upper cover, unscrew the connecting nut and take out the explosion-proof gasket from the wiring hole. Then, let the four-wired transmission cable bore through the conne

15、cting 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 sed wiri ng holes. In additi on, please do not discard the parts in the detector or on the

16、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 rubber obturating ring to muffle the cable tightly (based on the request of explosion-proof desi

17、gn). 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 checked the link connection, please tighten the upper cover. Based on the field conditions, it is

18、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 displayed gradually:Software version; Low alarm value; High alarm value; Full scale; concen trati on un

19、 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 pressing the key. Please keep a second interval between two keystrokes.The keys of + -andarec on

20、 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 the key of “ exit ” to return to the normal status. Tha saved will be maintained eve n after power dow n, un til n ext

21、 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 displaysh“tFAUtiilt light on(yellow).3. Grade-1 alarm: Digital displays“XXXX %LEL (XXXX is thevalue which is not lower

22、 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 Grade-1 alarm value you can subtract the differenee value to can cel the Grade-1 alarm sett ing.4. Grade-1 alarm: Digital di

23、splays“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 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

24、-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”you can go into the mode of Grade-2 alarm sett ing.7. Zero calibration: this menu can only be entered by using thepassword

25、(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 the key of “ set ” “” will bedisplayed. Press the key of “enter, ” “ P1” will blinking display. Press “ enter key again, the

26、 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 gas, the value will be set in different ranges which depe nding on the gas types). Then, press “ en ter to memory the curre nt valu

27、e 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 normal work status.5.2 Grade-2 alarm settingUnder the normal status press the key of “ set ” “” will bedisplayed. Press the key of “en

28、ter, ” “ 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 displayed. Users can press + o tcadjust the Grade-2 alarm value (for combustible gas, the range is 3050; for toxic gas, the value will be s

29、et in different ranges which depending on the gas types). Then, press“enter ” to memory the current value which willKB-501X/KB-501SG点型气体探测器产品使用说明书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 norma

30、l 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 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

31、“ enter ” key to save the current value and exit.press ing keys ofJ ” and enter zeroatcbrationCaution: Zero calibration must be operated in 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

32、 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 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“

33、enter ” key.3.lnlet the calibration gas (known concentration), wait until the displayed sampling value be stable. Press “ set key to enteriiKB-501X/KB-501SG点型气体探测器产品使用说明书concentration value adjustment menu. Adjust the data to the same value as calibrati on gas concen trati on, press“ setsave and exi

34、t.Caution: Please operate in accordanee with proper procedures.Single-point setting can not be operated under the normal work con diti on.6. Common problems and solutionsSymptomsSource of TroubleTroubleshooting“FAUL” displayi ngConn ecti on error or broke n; Sen sor damageRewiri ng or replace thesen

35、sorNo resp onse to the detected gasSen sor damageReplace the sen sorCircuit faultFactory maintenanceAbno rmal conn ecti on with the con trollerWiring faultCheck the conn ected wireCircuit faultFactory maintenance7. Notes1) Keep the device away from corrosive gas, lampblack, dust and rain when it wor

36、king. 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

37、 reduce.4) For mixed combustible gas or liquid vapor, there may be errors in the detect ing result, due to the operat ing en vir onment is differe nt from the calibration environment.5) All devices have to pass strict in specti on before they go out. In order to maintain the accuracy, please calibrate it regularly. The suggested period is semia nnu al, or determ ined accord ing to the site specific con diti ons.6) Recommended sensor life: catalytic combustion sensor is 3 years; electrochemical sen sor is 2 years.7) If unused for long periods, please remove the batt