MH-SA_英文USERS_MANUAL使用手册.doc

handheld ultrasonic level metermanual 00000361contents、company introduction.2、production introduction.2、interface specification.3、technical data.4、data setting.4、cautions.6、connection schema.7、trouble shooting.8、company introductionwe has being used advanced technology to solve difficult sensing/control problems in a broad range of industries. we are specializing in ultrasonic instrument for industry manufacturing and automatic industry, and we have accumulated quite a lot of technology experience for products exploitation and some patents for special products.our products including ultrasonic level meter, ultrasonic level sensor, ultrasonic level indicator, ultrasonic flow meter, ultrasonic consistence meter, etc. and the application area of our products include paper producing, mining, reservoir, petroleum, water treatment, obstacle detection, collision avoidance etc. our production are popular in china, indian, usa, indonesia.under the principle of to be a right man first, we are always concentrating on offering our customers products of perfect quality and heart to heart service. every customer to us is our friend first, and we will try our best to bring you convenience.、production introductionadopting excellent experience from home and abroad, this instrument is easy to operation and carry. it employs large scale integrated circuit, mounted rate up to 99% .owning to that, it is reliable for longer time and brings lowest power consumption. output is rs232.interface specificationkey statefunctionnormallong press to open/closemenubacknormallong press to downloadclick to start/stopnormalentermenupage downinputconfirmnormalon/off displaymenuenterinputshift or minusnormalswitchmenupage upinputplus、technical datasensing range：munusable area： m output ： max error：0.3%,1mmcurrent max load impedance：150sensor frequency：2002000khz（optional）work temperature：normal work pressure：normaldisplay ：display resolution：1mmkey board ：5 sensitive keysensor cable diameter 510mm1.5m（optional）main processor dimension：20010035(mm)power：1.5v aa battery or dc 9vnormal consumption：0.5widle consumption：5mw、data setting 1cursor shift from left to right. the sequence of digit input is “09 .”.press confirm to save, power to cancel. when parameter range is narrow, press plus to add and shift to minus. after power off, press“and” at the same time until “default” shows to restore factory settings.2.menu menu name functioncommon htinstallation heightdecimal display decimal digitintensfilter timeslight auto-closeoutput f0start point of output fsend point of outputaddserial port addressbdr.baud ratesenior comp *equationconstant，only 1temp crtemperature correctiondisplay display correctionlinear linear correctionpole*blblind area(m)pulpulse intensityffrequencygainreceive gain control：0 for autocollect time time settiming time timingfix t fix time (minutes ):0 for manualcl l*cl h*record0 for current, 1 for single, 2*check check data3. filtering method at some work place, obstacle shall be appear and reflect sound wave. it will interrupt the sense range seriously. it need to set a filter value to remove. usage :press“+”at same time，the distance will be displayed, press “” to shield screen. then press “” to exit. after power off, press“and” at the same time until “default” shows to restore factory settings.read this manual carefully before reset data、cautions 1. dont put battery anode and cathode reversed. rechargeable battery is available ，better use nickel hydride batteries .rechargeable power must be standardc and match with our production.2. insert sensor aligning and correct. 3. adjust the end of sensor repeatedly to be vertical to the surface to measured level. the distance between the probe and surface depends on the maximum displacement of the surface to be measured, blind zone of the instrument and range of probe. 4. if the liquid to be measured is sewage or containing afloat impurities, a wire-fence should be placed under the probe to keep them out of the normal measurement range of the probe. otherwise correct and stable display can not be obtained.5.set transmitted pulse intensity properly，avoid abnormal phenomenon.、connection schema1、 power and sensorpower can use 1.5v aa battery or dc 9v. it can charge when using rechargeable battery. dont use general battery and dc power at the same time. sensor interface definition illustrated as above diagram、trouble shootingnoproblem reason remedy1no display when power onpower is not connected or”“”are reversely.too low or too high voltagecheck to ensure correct wiring as instructed; check battery powerdisplay values not change with distance battery power too low, instrument doest work.pause check batterycancel pause3display values irregular fluctuationtoo deflective installation improper setting of pulse intensity, leading to great residual vibration or diffraction more than 2 instruments on stream, interfering each other too much electromagnetic disturbance adjust the axis of sensor vertical to surface to be measured in general with range of 1-3m, transmit intensity is 2-5. try to eliminate interference; find out disturbance source and shield from it. 4“out” display exceeding measure range too close between surface and sensor. high or low temperature; improper setting of pulse intensity adjust actual range with permitted adjust working conditions as required change transmitting intensity until stable display5display deviations exceeding 10cmnon vertical installation, leading to multiple reflection installed too close to wall, sonic wave reflected midway check for correct display of temperatureadjust installation positions .for large temperature difference, adjust “temp cr” to proper value6serial port incommunicablereverse connecting of a and b ports , incorrect “add” of serial ports wrong serial port “bdr” reset para., same with main unitinstrument still not work properly after above step, please contact manufacture or distributorwarranty cardpurchaser telephoneaddresspost codeproduct typeitem no.delivery date notes1. according to three guarantees,whe