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Figure Content

2. I

nstallation

Figure 2- 1 Basic structure ................................................................................................................................... 10

Figure 2- 2 Electrical and signal port .................................................................................................................... 12

Figure 2- 3 Battery installation ............................................................................................................................. 16

Figure 2- 4 Changing the shoulder strap .............................................................................................................. 17

Figure 2- 5 Gauge pressure connection ............................................................................................................... 18

Figure 2- 6 Low pressure and differential pressure connection ............................................................................ 19

3. Display and operation

Figure 3- 1 home screen ...................................................................................................................................... 21

Figure 3- 2 Differential pressure outlet ................................................................................................................. 24

Figure 3- 3 Gauge pressure outlet ....................................................................................................................... 25

Figure 3- 4 Pressure Measurement...................................................................................................................... 28

Figure 3- 5 Current measurement ........................................................................................................................ 30

Figure 3- 6 Voltage measurement ........................................................................................................................ 30

Figure 3- 7 Switch test connection ....................................................................................................................... 33

Figure 3- 8 HART communication ........................................................................................................................ 34

Figure 3- 9 HART communication ........................................................................................................................ 35

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Содержание 761A

Страница 1: ...761A Automated Pressure Calibrator...

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Страница 3: ...Additel 761A Automated Pressure Calibrator User Manual Please download the latest version from www additel com Version 1911V01 Additel Corporation...

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Страница 5: ...uctions for the ADT761A Automated Pressure Calibrator To ensure correct operation and safety please follow the instructions in this manual Additel Corporation reserves the right to change the contents...

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Страница 7: ...1 2 Features 4 1 3 Environmental conditions 4 1 4 Power 4 1 5 Specifications 4 2 Installation 10 2 1 Features 10 2 1 1 Basic structure 10 2 1 2 Electrical and signal port 12 2 1 3 Keypad 13 2 1 4 Pres...

Страница 8: ...and time 21 2 3 3 Generating a pressure 21 2 3 4 Display and operation 21 3 Display and Operation 22 3 1 Home screen 23 3 1 1 Status bar 24 3 1 2 Module and split screen display area 25 3 1 3 Main in...

Страница 9: ...l output 46 3 5 External pressure module 49 3 6 Typical applications 52 3 6 1 Pressure gauge 52 3 6 2 Pressure transmitter 53 3 6 3 HART transmitter 56 3 6 4 Pressure switch 57 3 6 5 I P converter 58...

Страница 10: ...surement 67 4 4 2 Auto tune 68 4 4 3 Calibration of the supply pressure module 68 4 4 4 Calibration of the barometric pressure module 68 4 4 5 Pressure calibration 70 4 5 Services 72 4 5 1 System upgr...

Страница 11: ...9 4 Electrical output panel information 77 4 9 5 Wireless module information 77 4 9 6 PROFIBUS module information 77 4 9 7 HART handheld communicator information 78 5 Documentation 78 5 1 Quick test 7...

Страница 12: ...erter 96 5 2 7 Signal isolator 98 5 2 8 Contact pressure gauge 100 5 2 9 Valve opening gauge 104 5 3 2 Mercury barometer 107 5 3 3 Aneroid barometer 108 5 3 4 Barometric altimeter 109 5 3 5 Pressure t...

Страница 13: ...120 7 HART communicator 122 7 1 HART connection and search 123 7 2 HART communicator operation 123 8 System maintenance 125 8 1 Device information 125 8 2 Diagnostic information 125 8 3 Check the sea...

Страница 14: ...lectrical and signal port 14 Table 2 2 Keypad function 15 3 Display and operation Table3 1 Setting interface 29 Table3 2 Scaling parameters 34 Table3 3 Filtering parameters 34 Table3 4 Hart Parameters...

Страница 15: ...setting of analog pressure gauge 84 Table 5 3 Task save 86 Table 5 4 Task pressure transmitter information 90 Table 5 5 Task pressure sensor information 93 Table 5 6 Task pressure switch information...

Страница 16: ...X Table 5 13 Task mercury barometer 120 Table 5 14 Task barometric altimeter 123...

Страница 17: ...nection 18 Figure 2 6 Low pressure and differential pressure connection 19 3 Display and operation Figure 3 1 home screen 21 Figure 3 2 Differential pressure outlet 24 Figure 3 3 Gauge pressure outlet...

Страница 18: ...ation of the general digital barometer 118 Figure 5 7 Calibration of the digital barometer 118 Figure 5 8 Calibration of the mercury barometer 121 Figure 5 9 Calibration of the aneroid barometer 124 F...

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Страница 21: ...at the same time Do not apply pressures greater than the maximum working pressure Not for use in flammable high humidity or dusty environments Do not expose the battery of unit to fire Charge the batt...

Страница 22: ...resolve control issues The vent port should not face the operator during venting Do not apply more than 30V between any two electrical jacks except for voltage measurement jacks Do not use any adapter...

Страница 23: ...isplay Wi Fi Bluetooth and Ethernet communications double the original battery life and more 1 2 Features Automated and self contained pressure generation and control to 1 000 psi 70 bar Standard accu...

Страница 24: ...s Charging mode charging with the unit or independently Charging time less than 5 hours 1 5 Specifications Table 1 1 Specification Model Specification 761A LLP 761A D 761A 500 761A 1K 761A APXR 761A B...

Страница 25: ...ion 6 digits Measurement Units Pa hPa kPa mPa bar mbar psi mmHg 0 C cmHg 0 C mHg 0 C inHg 0 C inH2O 4 C mmH2O 4 C cmH2O 4 C mH2O 4 C mmH2O 20 C cmH2O 20 C mH2O 20 C inH2O 20 C kg m2 mtorr torr lb ft2...

Страница 26: ...ure 20 5 one year stability Table 1 2 Electrical measurement specification Model Specification Range Resolution Accuracy Note mA Measure Auto ranging 25 or 50 mA 0 1 A 0 008 RD 0 004 FS Impedance 10 V...

Страница 27: ...PNP Switch N A N A Response time 10 ms If the switch is live voltage range will be 3 30 V Temperature Compensation 5 C to 35 C Temperature Coefficient Outside of 5 C to 35 C 0 0005 RD 0 0001 FS C Mis...

Страница 28: ...less than 5 hours Power Rechargeable Li Ion battery external power 110 220 power adapter 27 V Display 7 TFT touch screen 800 x 480 color Communications USB LAN Bluetooth Wi Fi Weight 17 52 lb 7 95 KG...

Страница 29: ...ussian ump life 1 000 000 cycles Environmental Specifications Operating temperature 32 F to 122 F 0 C to 50 C Compensated temperature 32 F to 122 F 0 C to 50 C Storage temperature 20 C to 60 C 4 F to...

Страница 30: ...10 Warranty 1 year Optional Software ACal and Additel Land Additel Link for access via mobile application...

Страница 31: ...11 2 Installation 2 1 Features 2 1 1 Basic structure Figure 2 1 Basic structure...

Страница 32: ...Name Screen PC Board Connector Interface On Off Shortcut keys Function keys Numeric Keypad Strap connections Atmosphere port REF FLT Port Output Port Vent Port Lock High Pressure Module Low Pressure...

Страница 33: ...13 LAN Interface USB port Power supply input Label Battery...

Страница 34: ...signal port Port Description Current Voltage Switch measurement and HART Profibus PA bus communication Red is positive Black is negative Current Voltage and power output Red is positive Black is negat...

Страница 35: ...t USB A USB master for flash drive connection USB B USB slave for computer connection Item Keypad Description 1 On Off Key Power 2 Shortcut Key Pressure vent 3 Shortcut Key Pressure measurement mode 4...

Страница 36: ...e instruments REF port should be connected with reference port of UUT for isolating airflow fluctuation to obtain stable pressure control Venting port VENT Venting port is used for pressure relief qui...

Страница 37: ...sor Connect to this port by 4 gas hose See 4 4 4 barometric module standard in the specific operation 2 2 Initial preparation 2 2 1 Battery installation As shown in Figure 2 3 Open upper battery key t...

Страница 38: ...18 2 2 2 Changing the shoulder strap As shown in Figure 2 4 change the Shoulder strap with a slotted screwdriver Figure 2 4 Changing the shoulder strap...

Страница 39: ...19 2 2 3 Pressure connection As shown in Figure 2 5 2 6 under the situation of UUT is connected the output port shall be sealed with the corresponding accessories Figure 2 5 Gauge pressure connection...

Страница 40: ...Low pressure and differential pressure connection 2 2 4 View the display Push the front lock to the right and raise the screen to the proper position 2 3 Getting started 2 3 1 Power on Press to turn...

Страница 41: ...2 Setting the system date and time Refer to section 4 6 1 to set date and time 2 3 3 Generating a pressure At the home screen enter the desired pressure value using the numeric keypad press enter and...

Страница 42: ...22 3 Display and Operation 3 1 Home screen The home screen contains top status bar and modules functional areas see figure 6 Figure 6 Home screen...

Страница 43: ...tes cloud service is enabled but has lost connection Snapshot Icon indicates snapshot function is operating 2 Module function display hidden operation area Modules can be displayed or hidden by clicki...

Страница 44: ...ule B display hidden Icon will be displayed when pressure module B is connected 3 Navigation function area Control center Click icon to enter the control center The control center has many functions i...

Страница 45: ...3 3 electrical measurement Electrical signal output area see section 3 4 electrical signal output External pressure module A B areas see section 3 5 3 1 3 Main interface keypad operation When the dis...

Страница 46: ...ternal pressure control on status bar High pressure range and low pressure range Click on the high or low pressure icon on the left status bar to switch the internal pressure module 2 Connection See f...

Страница 47: ...27 Figure 3 3 Gauge pressure outlet...

Страница 48: ...and allow for another pressure to be entered When target pressure exceeds current pressure range of the internal module but is within the range of the second internal module it will switch to the appl...

Страница 49: ...start Dwell time 0 3600 seconds The time is pressure stable at each step Step quantity 2 17 The number of steps Range Range will be based on the largest range internal module Setting auto step output...

Страница 50: ...ternal pressure control item to switch pressure measurement High or Low pressure range When changing internal module ranges the calibrator will open to atmosphere and then change ranges 2 Connection f...

Страница 51: ...nal measurement The electrical signal measurement area provides such functions as current measurement voltage measurement switch testing HART communication and Profibus PA communication Click the item...

Страница 52: ...the measured value exceeds the measurable range of calibrator it will display red and give an alarm 2 Connection Connect the electric circuit as shown in Figures 3 5 and 3 6 Figure 3 5 Current measur...

Страница 53: ...3 6 Voltage measurement 3 Functional operation Zeroing Zero the measurement to eliminate drift The allowable zeroing range is 1 FS Scaling Converts the current voltage signal into pressure signal for...

Страница 54: ...aling Resolution 1 0 1 0 01 0 001 Resolution of scaling Filter Provides a first order linear filter and a moving average filter The moving average filter also allows setting the extremum pair Table3 3...

Страница 55: ...ons click the range area on the screen and select for switch test The calibrator can test three types of switches i e mechanical switch NPN electronic switch and PNP electronic switch 2 Connection If...

Страница 56: ...se refer to Chapter VII HART communicator Note During communication with a HART device the calibrator acts as a master station all the time To avoid damaging the control system you must separate the H...

Страница 57: ...tance see Figure 3 8 3 For the connection mode with external power supply and external resistance see Figure 3 9 4 For the connection mode with internal power supply and external resistance see Figure...

Страница 58: ...onnection is established HART will be displayed as electrical measurement item on the main interface Under the main interface when electrical measurement is switched to other measurement mode e g curr...

Страница 59: ...so as to switch primary and secondary display During task calibration of a HART transmitter you shall first select the HART process quantity to be calibrated 4 Setup 1 Parameters Under the main interf...

Страница 60: ...ters Description Support input of letters numbers and symbols no longer than 16 characters Final assembly number Support input of integers no longer than 8 digits Pilot symbol number Support input of...

Страница 61: ...layed through conversion Pv lower range limit Not exceed the lower sensor limit Pv upper range limit Not exceed the upper sensor limit Conversion function It can be modified to linear or square root D...

Страница 62: ...alid Please check its input range If the present setting is cancelled or setup fails the present item will be resumed 5 Maintenance 1 Current loop test Click and select Diagnosis Service to enter curr...

Страница 63: ...t setting the PV unit and trim point value You can select two pressurization methods internal and external pressurization Press the key to enter the execution interface Note External pressurization re...

Страница 64: ...store factory settings 3 3 4 PROFIBUS PA communication The calibrator supports PROFIBUS PA bus communication It can set and calibrate the parameters of PROFIBUS PA pressure transmitter PA transmitter...

Страница 65: ...to start searching and click the icon to stop searching From the searched PA device list click a PA device to be connected After connection is successful return to the main interface 3 Process quanti...

Страница 66: ...ignal output module When the electrical output is displayed the corresponding icon on the status bar will be highlighted When the electrical output is hidden the corresponding icon will be dim and whe...

Страница 67: ...current and set the step value inside The set value shall meet the calibrator s current output range of 0 25mA voltage output range of 0 16V and power output range of 16 30V 5 Auto step Press the key...

Страница 68: ...anding time after the present electrical output becomes stable Step point number 2 17 It can be set when the step mode is step point Range Not to exceed the electrical output range Set the output rang...

Страница 69: ...the lower range value 100 wait time 4 60 sec Wait time of the slope at the upper range value Repeat 0 100 Set the cycle number of slope 0 indicates infinite repetition 3 5 External pressure module 1 C...

Страница 70: ...the measurable range of pressure module it will display red and give an alarm 3 Related operations of external pressure module The pressure unit can be switched The atmospheric pressure version can sw...

Страница 71: ...le Information to view related information of the external pressure module Select Resolution and set the number of digits displayed to 4 5 or 6 Select Filter Then you can select first order filter or...

Страница 72: ...ted instrument 2 Connection Connect the gauge as shown in Figure 3 12 When the calibrated instrument is a differential pressure gauge connect the REF port properly For the connection mode see Figure 3...

Страница 73: ...nsmitter The calibrator supports calibration of 2 wire 3 wire and 4 wire pressure transmitters 1 Prepare Open the pressure output area of main operation interface High pressure or low pressure range d...

Страница 74: ...For a 2 wire pressure transmitter connect as shown in Figure 3 13 For a 3 wire pressure transmitter connect as shown in Figure 3 14 For a 4 wire pressure transmitter connect as shown in Figure 3 15 If...

Страница 75: ...55 Figure 3 14 Calibration of a 3 wire pressure transmitter Figure 3 15 Calibration of a 4 wire pressure transmitter...

Страница 76: ...main operation interface to Current measurement 2 Connection Connect the transmitter as shown in Figure 3 17 connect the electric circuit as shown in Figure 3 10 3 11 3 12 or 3 13 3 Establish connecti...

Страница 77: ...n in Figure 3 16 it is a mechanical switch in the figure If the tested switch type is NPN or PNP electronic switch please connect the electric circuit as shown in Figure 3 8 or 3 9 3 Capture of the ac...

Страница 78: ...put item of main operation interface to Current output Open the pressure output area of main interface and switch to the measurement state High pressure or low pressure range depends on the range of t...

Страница 79: ...r shall use the manual or automatic step function of electrical output see Section 3 4 Automatic and manual step of electrical output to successively output current of each calibration point 4 When ea...

Страница 80: ...will approach the target value at the maximum control speed If enabled you need to set an upper slew limit During pressure control of the calibrator the maximum control speed shall not exceed this lim...

Страница 81: ...is higher than this value the calibrator will control the pressure below this value and then open the vent valve for direct connection to the atmosphere 7 Head correction The correction type can be se...

Страница 82: ...nication The calibrator supports three communication modes Ethernet Wi Fi and Bluetooth BLE 4 2 1 Ethernet The calibrator is connected via network cables to computers for communication Table 4 1 Netwo...

Страница 83: ...the settings 4 2 2 Wireless communication The calibrator is connected via a wireless network Table 4 3 Wireless network selection Item Effective value Description I P address 0 0 0 0 255 255 255 255 S...

Страница 84: ...ttings The setting of wireless communication will take effect immediately with no need for confirmation Click 5 at the upper right corner of screen to return to the previous menu 4 2 3 Bluetooth The c...

Страница 85: ...Backlight time In case there is no key and serial port command operations within a set time the backlight brightness will be automatically set to the lowest value There are 6 types of setting never 30...

Страница 86: ...t auto power off During pressure control auto step or task execution this function does not take effect When the backlight off time or auto sleep time is set to never the setting of auto power off is...

Страница 87: ...s online You can enable disable the warning function or modify the calibration period on the setup interface of calibration expiry warning 4 4 1 Calibration of electrical measurement 1 Set the calibra...

Страница 88: ...se so as to improve the pressure control stability and efficiency Caution Please seal the pressure outlet Auto tune is necessary only when the pressure calibrator is not performing to specification In...

Страница 89: ...ator as shown in Figure 4 1 2 Set the calibration points The default calibration point is a calibration point used in the last calibration The calibration point can be modified Please ensure that the...

Страница 90: ...the internal pressure module can select internal pressurization or external pressurization mode When the internal pressurization mode is selected please connect the pressure outlet of calibrator to t...

Страница 91: ...e to the standard instrument Until the pressure becomes stable click the measured value corresponding to this calibration point and input the pressure reading of standard instrument After confirmation...

Страница 92: ...the USB A port on the left side of calibrator 3 Select Upgrade via USB on the upgrade interface 4 Click The calibrator will analyze the upgrade file and display information that it is going to upgrade...

Страница 93: ...Users can search and browse it by date and time 4 5 3 Factory reset Factory reset requires a password The factory default password is 123456 After reset data clearing is irreversable Please carefully...

Страница 94: ...00 23 59 Set the time Date 2000 1 1 2099 12 31 Set the date Date format Year month day month day year day month year Set the date format Separator Set the date separator 4 6 2 Language The device prov...

Страница 95: ...the sound for when a snapshot is taken Stable sound On off Enables disables the sound indicating the stability critera has been meet 4 7 Cloud service Provided through Ethernet or Wi Fi methods for co...

Страница 96: ...flash drive or PC software Users can delete data in batches 4 9 Product information The product information includes calibrator host information control board information electrical measurement board...

Страница 97: ...t parameters The current and voltage measurement parameters include Range accuracy and calibration date 4 9 4 Electrical source board information Include the software version and hardware version of e...

Страница 98: ...gauge icon in the test type list to start the quick test of the pressure gauge 1 Connection Connect as shown in Figure 3 16 when testing an analog gauge Connect as shown in Figure 5 1 when testing a...

Страница 99: ...wer right corner to complete the save the results To exit without saving press the back button To redo the test click the reset button 5 1 2 Pressure transmitter Select the pressure transmitter icon i...

Страница 100: ...the test result The following items need to be entered Name and serial number click OK button to save the test results To exit without saving press the back button To redo the test click the reset but...

Страница 101: ...he switch data will be recorded To stop this test click the back button 3 Save the result Click the save button to save the test result The following items need to be entered Name and serial number cl...

Страница 102: ...nection Connect as shown in Figure 3 21 2 Start the test Same as Section 5 1 2 Pressure transmitter 3 Save the result Same as Section 5 1 2 Pressure transmitter 5 1 6 Signal isolator Select the signal...

Страница 103: ...to delete tasks and click to create a new folder Test parameter interface Click on the right side of the screen to delete the task click to edit the task click to copy the task and click to start the...

Страница 104: ...s on the pressure gauge Range and unit of the pressure gauge Accuracy 0 06 0 1 0 16 0 25 0 4 0 6 1 1 6 2 5 4 and custom Precision of the pressure gauge The numeric input in the custom option is the ac...

Страница 105: ...to a different point The set point needs to be within the range of the pressure gauge Change the number of the calibration points through the arrow key on the right side of the screen or by clicking t...

Страница 106: ...tom right and select the execution mode as automatic execution or manual execution 1 Automatic execution The default measurement value is the same as the set point value The measured value can be manu...

Страница 107: ...the user can choose to see the result of the task through the data view icon or the task data The user can also click to abandon the task data and execute the task again Task data can be stored by cli...

Страница 108: ...re gauge 2 New task Select the digital pressure gauge icon in the test type list The other contents are the same as those in Section 5 2 1 New Task for Calibration of the analog pressure gauge The acc...

Страница 109: ...calibrator can automatically measure and record the current or voltage value output from the transmitter 1 Connection Refer to Section 3 6 2 for connection 2 New task Select the pressure transmitter i...

Страница 110: ...US output Range Depends on the pressure transmitter Range and unit of the pressure transmitter Accuracy 0 05 0 1 0 2 0 5 1 1 5 2 2 5 and custom Accuracy of the pressure transmitter Owner Letter numera...

Страница 111: ...mpleted it will automatically enter the report interface 5 Task end For the contents refer to Section 5 2 1 Task end for calibration of the analog pressure gauge 5 2 4 Pressure transducer 1 Connection...

Страница 112: ...ral symbol Name of the pressure sensor Serial number Letter numeral symbol Serial number of the pressure sensor Model Letter numeral symbol Model of the pressure sensor Pressure type Gauge pressure ab...

Страница 113: ...n of the pressure sensor Notes Letter numeral symbol Notes of the pressure sensor 3 Task setting For the contents refer to Section 5 2 1 Task setting for calibration of the analog pressure gauge 4 Tas...

Страница 114: ...l of the pressure switch Pressure type Gauge pressure absolute pressure differential pressure Pressure type of the pressure switch check the support conditions according to the calibrator model Input...

Страница 115: ...ce click the start icon to enter the execution information interface Input the number of cycles 4 Task start Click on the right side of the screen to zero the calibrator Click the execution button to...

Страница 116: ...n of the analog pressure gauge 5 2 6 I P converter 1 Connection Connect the calibrator and the I P converter as shown in Figure 3 21 Never apply pressure out of the range of the calibrator If the loop...

Страница 117: ...l Owner of the I P converter Location Letter numeral symbol Location of the I P converter Notes Letter numeral symbol Notes of the I P converter 3 Task setting For the contents refer to Section 5 2 1...

Страница 118: ...onverter shall not exceed the range of selected external pressure module 5 Task end For the contents refer to Section 5 2 1 Task end for calibration of the analog pressure gauge 5 2 7 Signal isolator...

Страница 119: ...0 5 1 1 5 2 2 5 and custom Precision of the signal isolator Input 0 25 mA 0 16 V Input current range or voltage range of the signal isolator Output 50 50 mA 30 30 V 300 300 mV Output current range or...

Страница 120: ...Enable or disable loop power as required for the input For Enable or disable loop power as required for the output 5 Task end For the contents refer to Section 5 2 1 Task end for calibration of the a...

Страница 121: ...of the contact pressure gauge Pressure type Gauge pressure absolute pressure differential pressure Pressure type of the pressure sensor Range Depends on the pressure gauge Range and unit of the conta...

Страница 122: ...nts The value and number of points can be adjusted as necessary Cycle number 1 2 3 Select the number of calibration process cycles Stroke Round trip and one way Select the calibration task stroke mode...

Страница 123: ...pressure rate for electric contact test 4 Task start For some contents refer to Section 5 2 1 Task start for calibration of the analog pressure gauge When starting the electric contact test in the ta...

Страница 124: ...the calibrator and the valve opening gauge as shown in Figure 5 5 2 New task Select the valve opening gauge icon in the test type list and input the information of the calibrated valve opening gauge...

Страница 125: ...ure range of the valve opening gauge Electrical output depending on the valve opening gauge Current range of the valve opening gauge Output 0 100 360 360 Output range of the valve opening gauge Range...

Страница 126: ...nu that pops up to enter the quick test function and the calibrator displays the test type list 5 3 1 Digital barometer 1 Prepare Select digital barometer in the test type list to start the quick test...

Страница 127: ...manual execution requires manual input for each reading To stop this test press the back button 4 Save the result Click the save button to save the test result The following are required fields Name a...

Страница 128: ...execution requires readings and set points to be manually input To stop this test press the back button 4 Save the result Click the save button to save the test results Required fields are as follows...

Страница 129: ...he manual execution requires manual input of each set point and readings To stop the test press the back button 4 Save the result Click the save button to save the test results Required fields are as...

Страница 130: ...to the next set point Select manual execution requires to input a new set point after inputting the reading every time To stop the test press the back button 4 Save the result Click the save button t...

Страница 131: ...onnection If calibrating the general digital barometer connect the calibrator and the general digital barometer as shown in Figure 5 6 If calibrating the VAISALA digital barometer connect as shown in...

Страница 132: ...value Description Name Letter numeral symbol Name of the digital barometer Serial number Letter numeral symbol Serial number of digital barometer Model Letter numeral symbol Model of the digital barom...

Страница 133: ...fer to Section 5 2 1 Task setting for calibration of the analog pressure gauge When calibrating the VAISALA digital barometer it needs to configure the serial communication parameters 4 Task start For...

Страница 134: ...Connection Connect the calibrator and the calibrated mercury barometer as shown in Figure 5 8 2 New task Select the mercury barometer in the test type list and input the information of the barometer...

Страница 135: ...ested device may be damaged Rounding of reading 1 0 1 0 01 Rounding format of the reading Allowable error Depends on the barometer Set the absolute allowable error Temperature coefficient Depends on t...

Страница 136: ...n Figure 5 9 2 New task Select the aneroid barometer in the test type list The other contents are the same as those in Section 5 2 1 New Task for Calibration of the analog pressure gauge 3 Task settin...

Страница 137: ...117 Figure 5 9 Calibration of the aneroid barometer Figure 5 10 Calibration of the barometric altimeter...

Страница 138: ...meral symbol Model of the barometric altimeter Calibration range Depends on the barometric altimeter The input upper and lower limits can t be equal Pay attention to the range of the calibrated device...

Страница 139: ...ibration of the analog pressure gauge 5 Task end For the contents refer to Section 5 2 1 Task end for calibration of the analog pressure gauge 5 4 5 Pressure transmitter Same as Section 5 2 3 except t...

Страница 140: ...pressurization Select an external pressure module and use external pressure generation to run the leak test 1 Setup Select the application in the function menu to enter the pressure leak test Click t...

Страница 141: ...the test time 1 Select the internal range After entering the test time start the countdown implement the test and stop the test after the time reaches 0 2 Select the external pressure module Same as t...

Страница 142: ...waiting time Record the real time pressure at the end of the waiting time as the starting pressure 4 Start the test count down the test time and start to calculate the real time leakage amount at the...

Страница 143: ...rectory options are 1 4 Depending on the HART device the parameters that have been modified but not written in HART are highlighted in yellow in the list Click to finish the operation of writing into...

Страница 144: ...ndicates that the item is abnormal Click on the right side of the screen to return to the main interface of the device To return to the HART communicator again click in the upper right corner of the s...

Страница 145: ...ormation in the diagnostic center 8 3 Check the sealing performance of the calibrator The sealing performance of the calibrator has a crucial impact on its control speed and control pressure stability...

Страница 146: ...e two screws 2 Remove the cover 3 Clean or replace the filter 4 Retighten the cover with screws 5 Maintenance cycle is 3 6 months time dependent on use Make sure that it is carried out after pressure...

Страница 147: ...e 8 2 Disassembly of air pressure high precision barometric BP version pressure connector Unscrew the connector Push out the stainless steel filter element with a rod with diameter of less than 2 5mm...

Страница 148: ...connector counterclockwise 2 Remove the filter replace or clean the stainless steel filter element and then press it into the groove below the adapter 3 Replace the O ring Unscrew the connector Push...

Страница 149: ...ator is completely drained and the device is shut down 8 6 Air filter replacement Figure 8 4 Disassembly and assembly of the air filter Maintenance of the air filter position is as shown in Figure 8 4...

Страница 150: ...r filter 4 Retighten the cover with screws 5 Maintenance cycle is 3 6 months time depending on use Make sure that it is carried out after pressure inside the calibrator is completely drained and the d...

Страница 151: ...131...

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