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Additel 761 Manual

1. 4 Select the Current or Voltage in MEASURE mode 27 AdditeD 2 Connect 4 Complete the electrical connection as per the requirement of the UUT 3 Source the current manually or by the step function Section 3 1 11 4 Record the measured value manually or by using snapshot Section 3 1 12 when the measurement stabilizes 3 4 Setup Press SETUP to enter the Setup screen which contains 12 options Press and EN Enter to select Any changes to the settings will become the default when the unit is powered on 3 4 1 Control setup 1 P Form Pressure type Two types G Gauge and A Absolute The ADT761 LLP and ADT761 D have no control type selection The symbol of the pressure type will be shown on the status bar in the home screen 2 Ctrl LRV and Ctrl URV Control limits A range smaller than the calibrator range may be selected to limit the output pressure to avoid over pressurizing sensitive UUTs 4 The set point of the controller cannot exceed this range or the calibrator will prompt the user to reset the limits Ctrl LRV is the lower limit and Ctrl URV is the upper limit 3 Stability Criteria 4 Ctrl Stability Control stability the stability requirement in FS which determines the set point stability which changes the measured value from black to green based on the delay time The range is 0 005 10 FS 4 Stable delay the stability time determined after the calibrator has achieved the set point The calibrator is conside
2. AdditeD 3 4 5 Language Standard English Spanish Simplified Chinese German French Italian Portuguese Optional Traditional Chinese Japanese or Russian available upon request 3 4 6 Factory default Restore instrument settings to factory default including the Control Setup the Display Setup and the RS232 Setup It also deletes all the snapshots and task files The password is 811 4 Please note that all new settings will be erased 3 4 7 Tools 3 4 7 1 Leak test 1 Range Selection Hi Range Lo Range Select the internal high low range for pressurizing to the leak test point automatically with the calibrator P Module pressurize with an external pressure source and measure the real pressure with an external pressure module 2 Setup 4 Select the leak test under the tools icon in the setup screen Leak test with the internal ranges or the external pressure module 1 The set point and the wait time do not have to be set with the external pressure module 2 The pressure unit can be selected The default unit is kPa Section 3 1 4 O The pressure unit will return to the previous selected unit for pressurization Section 3 1 4 Set point 1 Do not exceed the range of the UUT 2 With the numerical key pad enter the leak test point 31 AdditeD Wait time Stabilization time at the set point After this countdown is finished the test will begin Test time After the wait time is finished the calibrator will stop c
3. ay Enter to show the run information screen If the selected task has been ran press PEJ Enter to view the report The task can be repeated but only the last result will be recorded Carefully select your operation as they cannot be reversed View the run information and report The failures are red and stands for no record The data can be uploaded to a computer with RS232 interface cable And tasks can be generated and managaged on a PC using Additel Cal software and loaded to the calibrator through the RS232 interface 3 5 1 Calibrating dial pressure gauges 1 Connect VENT OUTLET REFIFLT 4 Connect the calibrator to the dial pressure gauge rir as shown in Figure 3 20 4 Connect the REF FLT port to the low pressure port of the differential pressure gauge 2 New Task Figure 3 20 Calibrating a dial pressure gauge 37 AdditeD Task name 1 Enter an alphanumeric name and press numerical keypad to input special codes 2 The name cannot be the same as an existing task 3 The characters of the task name cannot exceed 13 spaces Range of UUT 1 Cannot exceed the output range of the calibrator 2 The high and low limit cannot be equal 3 The calibrator will automatically select the range for higher precision 4 The calibrator will use dual range if needed 5 Over pressuring can result in damage to the UUT Pressure type gauge absolute or differential Accuracy 1 Preselected accu
4. connection The system is failed to communicate with the corresponding pressure module Table 4 1 Prompt and disposal 4 3 Checking system for leaks 4 3 1 Checking for leaks The calibrator must be leak free in order to function properly Leakage may lead to control errors A rapid pressure drop will indicate a leak in the system Check potential problems as follows 4 Plug the OUTLET port 4 Generate a pressure let it stabilize and turn to standby mode Wait for 2 minutes 48 AdditeD The leak rate should be less than 0 02mbar s for ADT761 D and 0 2bar s for ADT761 L and ADT761 M or it is possible the calibrator has a leak The ADT761 can also run an automatic leak test as shown in Section 3 6 1 Pressure Module 1 Pressure Module 2 Model Range ln rate Rance re rate ADT761 LLP 2 5 to 2 5 mbar 1 to 1 inH O 0 01 25 to 25 mbar 10 to 10 inH O 0 01 ADT761 D 25 to 25 mbar 10 to 10 inH O 0 01 0 95 to 1 bar 13 5 to 15 psi 0 2 ADT761 L 0 95 to 2 5 bar 13 5 to 35 psi 0 2 0 to 7 bar 0 to 100 psi 0 2 ADT761 M 0 95 to 2 5 bar 13 5 to 35 psi 0 2 0 to 25 bar 0 to 375 psi 2 ADT761 H 0 95 to 2 5 bar 13 5 to 35 psi 0 2 0 to 40 bar 0 to 600 psi 2 ADT761 LA 0 05 to 3 5 bar a 1 2 to 50 psi a 0 2 0 05 to 8 bar a 1 2 to 115 psi a 0 2 ADT761 MA 0 1 to 3 5 bar a 1 7 to 50 psi a 0 2 0 1 to 26 bar a 1 7 to 390 psi a 2 ADT761 HA 0 1 to 3 5 b
5. tick een es aa 45 4 TroubleshootiNng Ran a a a a 47 4 1 Device information vic a a a ae 47 4 2 Prompt a I N A bas A WERE 47 Addita 4 3Checking S5yStemtorleakS ci E EE EE OEE en E A E EEEE 48 4 3 CHECKING ORIG AKS cocino a ii ea are E SAA 48 4 4 Instability oi eh 49 5 Special Application for Barometric Pressure occccoccococcononconcncnnconnannnnannnrnnrernararrarnnrnnrarnanrnnnnnns 50 5 1 ADT761 Basie differences ita O OAE aaa 50 5 2 Gas head correction si ss cces sae ccseccacscawsadedvadsicacseconedenocenaeediedad west avaunvanccanewawabaucwonedeeapeseveus sues Pas aaa 50 5 3 Specific ADT 761 BP ap plication ses sico ee 50 5351 Digital barometer iii a dida 50 9 3 2 Mereurial bar mieter o de 52 5 3 3 Aneroid barometer ococcccccnconcccononcncncnnno ron rra n rar na nana nanes 53 53 4 Barometer altimeter cui ee 54 5 3 5 Pressure transmitter sisi a nn a AA rn ee 55 A O O E 55 Appe dix A Data Sheet cinc aia iia ln a ale 56 A lNENVIEONMENt it A A en A Td 56 A 2 POWER rta ia 56 A 3 Technical Specificatii Misai aoin tea a an a a ae wees Aedes 56 IV AdditeD Warnings Do not combine with another pressure source where pressure is being generated by both sources at the same time Additel s warranty will not cover this application Do not apply pressures greater than the maximum working pressure Additel s warranty will not cover this application Not for use in flammable high humidity or dusty environme
6. 3 7 5 Stabilize When the calibrator reaches a stable condition as defined in the CONTROL SETUP Section 3 4 1 the color of the displayed value will change from black to green 3 1 3 Pressure measure 1 Select the High Low Pressure Range in measure mode The calibrator will vent as it switches ranges 2 Connection Complete the pneumatic connection to the external pressure source as shown in Figure 3 5 3 External pressure source Avoid applying pressure greater than the maximum working pressure to the calibrator If the value falls outside the current pressure range the color of the displayed value will change from black to red and the AU EIESBLIEMERSUE calibrator will alarm 4 If the external pressure is potentially damaging to the calibrator it will automatically vent and an over pressurization prompt will appear 13 AdditeD 3 1 4 Pressure unit Press F2 to select a pressure unit in the SOURCE window or when measuring an external pressure module in the MEASURE window 4 The selected units relate to the range and resolution of the internal sensors Section3 4 3 3 1 5 Current output 1 Select Current in SOURCE mode The calibrator must be vented or in standby mode to change from sourcing pressure to current 2 Connection Complete the electrical connection as shown in Figure 3 6 or Figure 3 7 Figure 3 6 Internal 24V power supply Figure 3 7 External power supply 3 Power supply Pres
7. Select the run mode 1 Automatic Set the wait time and delay time and their ranges are both 0 3600 When the pressure is stable the wait time will count down to zero then the task will continue to the next set point When the run direction is ready 46 AdditeD to descend the delay time will count down to zero then the task turns to the descending points 2 Manual Press F4 1 Enter to continue after the pressure is stabilized 4 Start and wait for the displayed pressure to stabilize and then record the measured value Complete this step and continue Source the current of the set points until the end and generate a report automatically 4 Recall the previous steps press EF STANDBY to pause and the calibrator will switch to the Standby mode and then press PEF ssy to recalibrate this set point 4 Troubleshooting 4 1 Device information Select the device information in the setup screen View the software revision factory date serial number and so on View the information of the high low range inside View the current atmospheric pressure 4 2 Prompt The display shows a screen prompt warning as follows Error message Description The calibration will be automatically matched to gauge As the pressure type of internal pressure sensor is gauge the calibration should pressure to match the internal sensor type be matched with gauge pressure Under the condition of system leakage the self
8. VENT port The port which pressure is released from the system 2 2 Initial preparation 2 2 1 Battery installation As shown in Figure 2 4 install the model 9723 battery in the bottom of calibrator with a 3mm wrench PN 1220211190 FILTER PN 1220211189 FILTER CAP Figure 2 4 Battery installation Figure 2 3 How to change filter AdditeD 2 2 2 Changing the belt strap As shown in Figure 2 5 change the belt strap with an 8 inch wrench VENT OUTLET REFIFLT Figure 2 5 Changing the belt strap Figure 2 7 Pneumatic connection 2 2 3 Pneumatic connection As shown in Figure 2 6 shows pneumatic connection ofADT761 LLP and ADT761 D Figure 2 7 shows pneumatic connection of ADT761 L ADT761 LA ADT761 M ADT761 MA ADT761 H and ADT761 HA connect the OUTLET and REF FLT ports to the UUT or use plugs when necessary 2 2 4 View the display Push the front lock to the right and raise the screen to the proper position lt AdditeD 2 3 Getting started 2 3 1 Power on Press to turn the power on The startup screen shows the manufacturer s logo After a short time the system enables the home screen and enters STANDBY mode as shown in Figure 2 8 Connect the power supply for charging if power is low 2 3 2 Setting the system date and time Refer to section 3 4 4 to set date and time 2 3 3 Generating a pressure Ensure the source screen is highlighted enter an appropriate pressure value using the numeric keypad press enter
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10. range of the switch open A 4 Dead band range is the minimum and maximum of the dead band iS Dead band is the pressure difference between the change of states ie OPEN CLOSE or CLOSE OPEN Jf Ce Set point The pressure which the switch will change state Closed Tolerance The allowable variation from the set point pressure Trip type High or Low This is the direction to which the change of state should happen If the trip type is low this means the change of state happens when the pressure is falling If the trip type is high this means the change of state happens when the pressure is rising Cycles 1 3 Time Swtich A Trip type Low Switch B Trip type High Figure 3 23 Switch Terminology 44 AdditeD 3 Run Input the information before running including the date the default is the system date the ambient temperature the default is 25 C and the range is 0 50 C and the relative humidity the default is 40 RH and the range is 0 100 RH Pressure Source Internal Pressure or Pressure Module Automatically run the task according to setting Record and display the trip values in the table Press Gea STANDBY to pause and continue the task and the mode will be changed between Standby and Control The calibrator will automatically switch to the suitable range if needed The calibrator can change the slew rate of the pressure control automatically according to the Setpoint and Tolerance
11. special codes Figure 5 1 Calibrating a digital barometer 50 AdditeD 2 The name cannot be the same as the existing task 3 The characters of the input task name cannot exceed 12 spaces Range of UUT 1 Range 0 1bar 1 2bar 2 Cannot exceed the output range of the calibrator 3 The high and low limit cannot be equal 4 Over pressurizing will result in damage to the UUT 4 Calibration points 1 The range is 2 17 2 Scale the steps in accordance with the linear the UUT for the default 3 Every point can be edited 4 Tolerance 1 Given 0 1 0 2 0 3 0 4 0 5 1 2 5 mbar 2 Custom the custom range is 0 110 mbar 4 Resolution Given 1 0 1 0 01 0 001 Cycles 1 3 and the default is 2 3 Run 4 Input the information before running including the date the default is the system date the ambient temperature the default is 25 C and the range is 0 50 and the relative humidity the default is 40 RH and the range is 0 100 RH 51 AdditeD Stroke mode One Way or Two Way Wait for the displayed pressure to stabilize Input the value from the UUT After inputting the value for the UUT the standard value will be recorded from the calibrator After completing all the set points a report is automatically generated 5 3 2 Mercury barometer 1 Connect Connect the calibrator to the mercury barometer as shown in Figure 5 2 Connect the REF FLT port to the low pressure port of the differential pressu
12. tuning function will lead next steps to errors So the users must check if the plugs is well connected and try again Unable to control Please check the system for leaks 47 AdditeD Error message Description Under the current atmosphere the set pressure s value is higher than rated maximum pressure of device The users should check the local atmosphere factor The set pressure value exceeds the maximum pressure of this device due to your atmospheric pressure Over protection pressure range exceeded System is While the actual output pressure is out range of RATED overpressure protecting venting value the system will automatically run the vent function for self protection The system is failing to connect with internal pressure module but it is trying over Connecting internal pressure sensor 3 and over again The internal valve temperature is abnormal The internal valve s temperature is abnormal or irregular Before ADT761 generates any set pressure all inlet air pressure will be roughly The test sensor for inlet pressure is not calibrated tested by a specialized pressure sensor on entrance THIS sensor should be standardized or calibrated in factory Self tuning discontinued due to the internal valve The internal valve s temperature is abnormal or irregular that will results the temperature self tuning function in errors Unable to find the pressure module Please check the
13. year accuracy Signal Range Resolution Accuracy Voltage 30 0000 30 0000 V 0 1mV 0 01 RD 1 5mV Current 30 0000 30 0000 mA 0 1 A 0 01 RD 1 5y Switch Test voltage DC 3V DC 24V Table A 2 Electrical measurements Note 1 temperature coefficient lt 0 0015 RDG outside of 15 25 C Note 2 input features 1 Voltage measurement input impedance gt 1MQ Max input voltage ist300V DC 2 Current measurement input impedance lt 102 Max input current ist1A DC Electrical source ambient temperature 20 C 5 C 1 year accuracy Signal Range Resolution Accuracy Current 0 22 000 mA 1A 0 02 RD 2 2uA Loop supply 24V N A 0 5V Table A 3 Electrical source 58 AdditeD Note 1 temperature coefficient lt 0 0015 RDG outside of 15 25 C Note 2 input features 1 Current source in the internal power mode maximum load current is 20mA 1kQ In the external power mode 0 36V the peak load meets output current load resistance lt voltage 4 V 2 Short circuit protected 4 Display 7 0 800x480 pixels color LCD Dimensions and weight 296 w 186 h 180 d mm and approx 5 6kg Electrical interface 64mm electrical jack Charging interface 2 pin aviation connector RS 232 interface RS 232 DB9 female Pressure module interface 5 pin aviation connector 4 Compatible with Additel Land software which is available for a free download at
14. 2 Additel ADT761 Series Automated Pressure Calibrator User Manual Please download the latest version from www additel com Version 1411V 04 CE Additel Corporation STATEMENT This technical manual provides operating and safety instructions for the ADT761 Series Automated Pressure Calibrator To ensure correct operation and safety please follow the instructions in this manual Additel reserves the right to change the contents and other information contained in this manual without notice CONTENTS Warnings RR ne 1 General Safety iia a leida aaa adas 2 TINTO dUCHION tia 3 1 1 OVervieW seen na ann an na a nn a a a a a ne ana eh Rene 3 PARA ass ee aa a a aE a a eh ae Ferner he 3 1 3 SPOCIHICATIONS susica a aa En en ae een 4 2 Installation sicidicesccitivenescceadevevdc a na a na aa a a na ann ana an 5 2 1 Features A A A A A a 5 A O ON 5 2 1 2 Electrical terminals and signal interface oococococncncncncncncncncnoncncnnnnononnnnnnnnnnnnnnnnnnnnnnnnnnnrnrnrrrnanannnanananars 6 2 1 3 RS 232 interface cut ad ne a a aa dle dida 6 ZAK CY PAG ini dd dio 7 2 1 5 PNEUMATIC Ud io 8 2 2 nital preparation ici a iaa 8 2 2 1 Battery sins tala OM corsa tip cian RE Ber RR 8 2 2 2 Changing tne amp belt Sstrap mern en 9 2 2 3 Pneumalic c onnaction decir di nia 9 222 4 VIEW the display ade 9 2 3 Getting A NN 10 2 31 POWER la a AA Rara 10 2 3 2 Setting the system date and time usa nn ee nenn 10 2 3 3 Generaling a PrESSUNE ii e
15. 375 psi 0 1 to 26 bar a 1 7 to 390 psi a 0 1 to 3 5 bar a 1 7 to 50 psi a 0 1 to 26 bar a 1 7 to 390 psi a ADT7EI HA 0 90 to 40 bar 13 to 600 psi 0 90 to 2 5 bar 13 to 35 psi 0 9 to 40 bar 13 to 600 psi 0 1 to 41 bar a 1 7 to 615 psi a 0 1 to 3 5 bar a 1 7 to 50 psi a 0 1 to 41 bar a 1 7 to 615 psi a ADT761 BP 100to 1200 hPa 100to 1200 hPa N A Additel reserves the right to change specifications and other information contained in this manual without notice AdditeD 2 Installation 2 1 Feature 2 1 1 Basic structure Status Bar Measure Source Function Keys Shortcut Keys On Off HART Task and Setup keys Source terminals Control Keys gt ane Ld m lat m Measure terminals Numeric Keypad Strap Connections Rs232 Interface Pressure module connection Vent Port Outlet Port REF FLT Port Power supply input Figure 2 1 Basic structure Addita 2 1 2 Electrical terminals and signal interface a 6 Terminal and Interface Introduction 6 and 2 Current measure O 1 and 2 Voltage measure H RS232 DC27V 5and 2 Switch test 3 and 6 HART communication 7 and 4 Current output external power O 3 and 7 Current output internal power 3 and 2 Loop power supply at 24V Pressure module connection Works with ADT160 pressure modules RS 232 interface Computer interface Figure 2 2 Electrical terminals and signal in
16. 375 psi Clean A 0 90 to 40 b 0 9 to 2 5 b 0 to 40 b 0 90 to ar 0 9 to 2 5 bar a to ar 5 BELIZE 13 to 600 psi 13to 35 psi OD2EES 0 to 600 psi Ries 0 95 to 7 bar 0 95 to 2 5 bar 0 95 to 7 bar 7 orten 513 510 100 psi 13 5 to 35 psi 0 02 FS 43 5 to 100 psi URS 0 05 to 8 bar a 0 05 to 3 5 bar a 0 03 FS 0 05 to 8 bar a 0 025 FS 1 2 to 115 psi a 1 2 to 50 psi a S 1 2 to 115 psi a N 0 90 to 25 bar 0 9 to 2 5 bar 5 0 9 to 25 bar 7 Gauge Absolute 13 to 375 psi 13to 35 psi celia 13 to 375 psi Greens Pressure ADT761 MA 0 1 to 26 bar a 0 1 to 3 5 bar a 0 03 FS 0 1 to 26 bar a 0 025 FS 1 7 to 390 psi a 1 7 to 50 psi a ais 1 7 to 390 psi a En 0 90 to 40 bar 0 9 to 2 5 bar 6 0 9 to 40 bar 7 ori __ 1310 600psi ___ 13 to 35 psi Guns 13 to 600 psi ras 0 1 to 41 bar a 0 1 to 3 5 bar a 0 03 FS 0 1 to 41 bar a 0 025 FS 1 7 to 615 psi a 1 7 to 50 psi a ES 1 7 to 615 psi a N Barometric pressure ADT761 BP 100 to 1 200 hPa 100 to 1 200 hPa 0 01 FS N A N A Table A 1 Pressure ranges Note 1 One year accuracy including yearly stability Note 2 Barometric reference Range 700 1100 hPa Accuracy0 5hPa 37 AdditeD 4 Control stability 0 005 FS Response time lt 30sec regarding a 20 press increase in a 50cc test volume in high speed mode 4 Pressure media clean dry non corrosive gases Electrical measurements ambient temperature 20C 5T 1
17. ART setup 22 AdditeD 2 Operations Press 4 v to view the HART parameters and press ED Bae to open the setting status In the setting status press Y toselect and press ua Enter to set 4 If the operation is canceled or fails the value of the parameter will be reset 3 2 4 Service 1 Loop test 4 Select the predefined value or manually input a value the range is 4 20 mA and press F4 Enter to test The ADT761 will then provide a mA source to the transmitter of the selected value It will then read back the loop in real time next to the term Loop mA The Loop test is not available when the HART device is in multi drop mode All Field Devices must be able to operate in multi drop with loop current signaling disabled according to the HART Protocol 2 D A output trim Through adjusting the coefficient of current output the transmitter s PVAO is consistent with loop mA Press ee ee to trim the Zero DAC Zero and Span DAC Gain or press to put the mA value measured by calibrator into the Trim Value input box The range is 4 20 mA The trim is not available when the hart device is in multi drop mode All Field Devices must be able to operate in multi drop with loop current signaling disabled according to the HART Protocol 3 Zero trim Reduce the measure to near zero to avoid failure 4 Re Range Support to change the PV Range unit and pressurize mode internal pressure source or external pressure sourc
18. RAS 27 3 3 6 Calibrating isolator convert signal acquiring devices oocoococcncncoconcnnoncnnenonconenconancnnnncnnonancnnencnnaninnnnss 27 A a ee 28 3 21 COMTO SetU nannan olas 28 3 4 2 24V DOWET rod iii a n 29 H A A ee ne ae nn Dee ze nr na ER EHRE ee Arena EHE ERREGER 29 34 4 Date and time ensure A e Denn haare Rennen Den ein Uber anid Rinne 30 SrA Oi LANGUAG e u a ae ee 31 3 4 0 Factory defa lt ansehe 31 Ast TOO re A ee ee he eisen ee 31 EN E O A rn a ee de an Bean RD a Een ee EEE Ehe 31 eE NAO 33 3 4 1 3UNIECONVETSION nen A Ban AAA A A A A AAA 33 Bh RR FAC I SEATA EE AEE career ti are a Ga oan otc OEE Ee od eg a teen a Tee 34 3 4 8 Information aus ernennen a 34 3 4 9 System Galibration susanne ae 34 34 91 Current Voltage NCASUlE Mccain ii A AAA A RARA AA ARI 35 3 4 9 2 CUEFONE SS QUICO Nidia A AA A A EAE a 35 3 4 9 3 High SIONES a io 35 3 4 9 4 External pressure module ooooocccococccconononconononnon nr nn rene nn ra ranas 36 E ATESTY I E TaI E O 36 314 10 RS232 Setup nie ana E ee A AE EEA 36 A O 36 3 5 1 Calibrating dial pressure Qauges sico ann ee neh ee ee weeny 37 3 5 2 Calibrating digital pressure GAUGES ococcococcncocononcnnonconononnrncnrrnn nr teen rr rn nr rr nr rre nr rr nen rra nrrnrnrnrnninannrnrnninens 40 3 5 3 Calibrating pressure trans mitterS siii oi 40 3 5 4 Calibrating HART transmiltters une a dad 43 3 5 5 Calibrating pressure Switches uns rn ine 44 3 2 6 Galibratingil P ConVerlers
19. and calibrator will generate and control to the desired pressure see section 3 1 2 Figure 2 8 Main screen 10 AdditeD 3 Function and Operation 3 1 Display and basic operation 3 1 1 Home Screen Figure 3 2 Triple display bar The home screen normally contains a MEASURE window and a SOURCE window see figure 3 1 If you select the Triple Display in the SETUP mode and connect the external pressure module three windows will be shown see figure 3 2 To select between the MEASURE and SOURCE window press 4 v tillthe desired window is highlighted in orange The softkeys displayed at the bottom of the screen relate to the selected mode Press EN or to select what is being measured in the MEASURE window or the pressure sensor used when in the SOURCE window Items of MEASURE Current measure voltage measure switch high pressure range low pressure range or pressure module 2 Items of Source Current source high pressure range low pressure range or pressure module 11 AdditeD Function keys EY Ea a E E Ea Y Status bar Run mode not visible in the home screen snapshot HART online pressure module online 24V power status battery level Triple display If the triple display is enabled then three windows will be shown when the pressure module is connected The pressure output mode Press sm VENT to change to standby mode exit the control mode or to vent the calibrator Pr
20. ar a 1 7 to 50 psi a 0 2 0 1 to 41 bar a 1 7 to 615 psi a 2 ADT761 BP 100 to 1200 hPa 0 2 N A N A Table 4 2 The criteria leak rate of the calibrator has a leak 4 4 Instability Ifthe pressure has been unstable for more than 3 minutes in the CONTROL mode the calibrator will switch to the STANDBY mode and check for the following 4 Make sure all fittings are tightened Section 3 4 1 4 Investigate the system for any potential leaks 49 AdditeD 5 Special Application for Barometric Pressure The ADT761 BP is a unique calibrator and different from all the other ADT761 series calibrators 5 1 ADT761 Basic differences Single range 10kPa 120kPa absolute sensor type Home screen Does not support the triple display and press En to switch to display mode between single window and two windows Zero This function is not available 5 2 Gas head correction If enabled the calibrator will display the correct result automatically according to the setting of parameters 4 Set the Height value in accordance with the Metric or English Units 4 Set the Density value in accordance with the Medium i e Nitrogen Dry Air etc 4 Select standard gravity 980 665 cm s or the local gravity based on the calibration location 5 3 Specific ADT761 BP applications 5 3 1 Digital barometer 1 Connect 4 Connect the calibrator to the digital barometer as shown in Figure 5 1 2 New Task name 1 Enter an alphanumeric name and press Y to input
21. date time source value measure value and 24V status The snapshot symbol flashes on the status bar The snapshot files are named numerically Store up to 900 snapshots The snapshot function can be used in HART mode 2 Management To view the snapshot list press and hold save for two seconds or press SETUP and select the snapshot item Press to page up and down Press rj feel to delete the record s VENT OUTLET REFIFLT The record s can be uploaded to a computer by the RS232 port to Additel Land software 3 Prefix Press Fs to add a prefix to the file name Allows for an alphanumeric entry or press numerical keypad to input special codes 3 1 13 Vent The calibrator opens the vent valve to reduce pressure to atmosphere pressure Figure 3 12 Vent When venting dust or contaminants are blown out through the vent port as shown in Figure 3 12 19 Addit Do not point the Vent port toward the operator during venting vent Will end the leak test Press vent to stop any pressure generation or control and return to barometric pressure Press VENT again to close the vent valve and switch to Standby mode When setting a decreasing pressure value the calibrator will Figure 3 13 Internal series resistor automatically vent when the pressure reaches the Vent P and internal 24V loop power supply pressure in the Control Setup 3 2 HART 3 2 1 Poll 1 Connect Use the internal series res
22. e 4 Test the pressure transmitter and change the range to adjust the shift of the output current Press F4 Enter to change the LRV URV or press ED to put the PV value into the New LRV URV input box 5 Sensor Trim 23 AdditeD Some transmitters do not support the sensor trim function A Sensor Trim can involve one or more trim points according to different transmitters Support to change the PV unit and pressurize mode Internal pressure source or External pressure source The trim points in the internal pressure source mode cannot exceed the control range of the Control Setup or the calibrator will prompt the user to reset limits Press En Enter to trim point or press Ea to put the pressure value sourced by calibrator into the Trim Value input box 3 3 Typical applications in the main screen 3 3 1 Calibrating pressure gauges 1 4 3 3 2 Calibrating pressure transmitters 1 Connect Pressurize manually or by the Step function Prepare 4 Select High range or Low range in SOURCE mode 4 Complete the pneumatic connection as shown in Figure 3 16 For low range differential sensors connect the REF FLT port to the reference port of the gauge as shown in Figure3 4 Section 3 1 11 Record indicator reading of UUT manually after the pressure has stabilized Figure 3 16 Calibrating pressure gauges Prepare 24 AdditeD 3 Press HART to initiate communication with the HART transmi
23. e default is the system date the ambient temperature the default is 25 C and the range is 0 50 C and the relative humidity the default is 40 RH and the range is 0 100 RH Pressure Source Internal Pressure or Pressure Module 4 Select the run mode 1 Automatic When the pressure is stable the calibrator will count down based on the Reading Time in seconds before taking the measurement and continuing to the next set point 2 Manual press F4 Enter to continue after the pressure has stabilized Start and wait for the displayed pressure to stabilize and then record the measured value Complete this step and continue 4 The set points are generated automatically and after the test is complete a report is generated automatically 4 When dual range is used the calibrator will switch the pressure range automatically The calibration task points cannot exceed the control range of the Control Setup or the calibrator will prompt the user to reset the limits 42 AdditeD The calibrator will automatically switch to the suitable range if needed 3 5 4 Calibrating HART transmitters 1 Connect Connect the calibrator to the HART transmitter as shown in Figure 3 13 and Figure 3 22 in the internal series resistor and internal 24V loop power mode 2 New Measure signal 1 HART 2 Process variable HART PV HART AO HART Loop mA Transfer function 1 Linear the output and measure are both linear 2 Square root when t
24. e similar with calibrating a mercurial barometer Section 5 3 2 VENT OUTLET Figure 5 3 Calibrating an aneroid barometer 53 AdditeD 5 3 4 Barometer altimeter 1 Connect 4 Connect the calibrator to the barometer altimeter as shown in Figure 5 4 2 New Task name 1 Enter an alphanumeric name and press to input special codes 2 The name cannot be the same as the existing task 3 The characters of the input task name cannot exceed 12 spaces Range of UUT 1 Range 0 1bar 1 2bar 2 Cannot exceed the output range of the calibrator 3 The high and low limit cannot be equal 4 Over pressuring will result in damage to the UUT A 4 Calibration points 1 The range is 2 17 2 Scale the steps in accordance with the UUT 3 Every point value and tolerance can be edited Figure 5 4 Calibrating a barometer altimeter 54 AdditeD Resolution the value is 1 0 1 0 01 0 001 and the default is 0 1 Cycles 1 3 3 Run Input the information before running including the date the default is the system date the ambient temperature the default is 25 C and the range is 0 50 and the relative humidity the default is 40 RH and the range is 0 100 RH 4 Stroke mode One Way or Round Trip Wait for the displayed pressure to stabilize Input the value from the UUT After inputting the value for the UUT the standard value will be recorded from the calibrator After completing all the set points a repor
25. ection 3 1 11 4 Record the measure value manually or by using snapshot Section 3 1 12 after the pressure has stabilized Figure 3 17 Calibrating a pressure transmitter 3 3 3 Calibrating HART transmitters 1 Prepare Select the High or Low range in SOURCE mode 4 Select the current in MEASURE mode 4 Activate 24V power 2 Connect Complete the pneumatic and the electrical connections as shown in Figure 3 13 and Figure 3 17 when using internal series resistor and 24V loop power 25 AdditeD 2 After pressure stabilizes press 4 increase or decrease the pressure 4 Record the trip values manually or by using snap shot Section 3 1 12 3 3 5 Calibrating I P converters 1 Prepare Select Current in SOURCE mode Select the High or Low range in MEASURE mode An external pressure module may be used to measure the process pressure 2 Connect 4 Complete the pneumatic and electrical connections as shown in Figure 3 19 DO NOT over pressure the calibrator Figure 3 19 Calibrating a I P converter DO NOT use the calibrator as the pressure source Check the load ability of the UUT for using the internal 24V power supply 3 Source the current manually or by the step function Section 3 1 11 4 Record the measured value manually or by using snapshot Section 3 1 12 when the pressure has stabilized 3 3 6 Calibrating isolator convert signal acquiring devices 1 Prepare 4 Select the Current in SOURCE mode
26. ed with the respective range as follows if needed 1 30 18 mA or 30 18 V for negative full scale 2 12 12 mA or 12 12 V for zero 3 18 30 mA or 18 30 V for positive full scale 2 Run Press En Enter to start According to the calibration point prompt by the calibrator use a more precise higher standardized unit generates signal to the calibrator When the measured value is stable Press BE Enter to record and continue press BE Ese to review 3 4 9 2 Current source 1 Calibration points O The default is 4mA 20mA that cannot be edited 2 Run Press T4 Enter to start O The calibrator will provide the current to a standard ampere meter on schedule When the reading is stable input the reading into the calibrator Press Fa to record and continue and press PED PES to review O The accepted range of the standard gauge is 0 30 mA 3 4 9 3 High low range 1 Calibration points If the range is mixed execute in three point mode calibration with the low limit the zero and the high limit as default 35 AdditeD 2 Use a standard pressure source to pressurize the calibrator and wait for the measure value to stabilize 3 Press ie Enter to record and continue and press FI Ese to review Once user calibration is completed the system date will be recorded by the date of calibration 3 4 9 4 External pressure module 1 Calibration points as shown in Section 3 7 3 1 2 Run 0 Connect
27. essure port of the differential pressure transmitter 2 New Task name 1 Enter an alphanumeric name and press to input special codes 2 The name cannot be the same as an existing task 3 The characters of the input test name cannot exceed 12 spaces Range of UUT 1 Cannot exceed the range of the calibrator 2 The high and low limit cannot be equal 3 The calibrator will automatically select the range for higher precision 4 The calibrator will use the dual range if needed 5 Over pressuring the UUT may result in damage to the UUT Pressure type Gauge Absolute or Differential Accuracy 1 Preselected accuracies are available 2 Custom X XX When the custom range is selected press F2 and the field can be edited to the desired accuracy from 0 01 to 100 FS 4 Calibration points 1 The range is 2 17 2 Scale will default to linear steps over the chosen range of the UUT 3 Each test point can be edited individually 4 The points less than 0 95bar will be adjusted to 0 95bar 41 AdditeD Measure signal 1 Includes six selections of typical pressure transmitters 2 Calibrate a HART transmitter as seen in Section 3 5 4 3 Custom mA X XX mA the range is 30 30 mA Transfer function 1 Linear the output and measure are both linear 2 Square root The output is linear but the measure value is square root Cycles 1 3 Run Input the information before running including the date th
28. essure units menu Up to 11 selectable pressure units 3 1 2 Pressure output 1 Select High Low Pressure Range in source mode The calibrator must be vented or in standby mode The calibrator will automatically vent when switching ranges 2 Connection Complete the pneumatic connection as shown in Figure 3 3 or Figure 3 4 3 Entering a value Use the numeric keypad to enter the value and press EN Enter to confirm If there is no operation within 10 seconds the calibrator will automatically cancel the entry The value must meet the control range of the calibrator 4 The maximum negative pressure is 13 5 psi 0 95 bar But this is dependent on the local atmospheric pressure The value cannot exceed the control range of the CONTROL SETUP or the calibrator will prompt the user to reset the limits Figure 3 4 Differential pressure source 12 AdditeD If you ve selected the low pressure sensor and enter a pressure value that exceeds the low sensor range then the calibrator will ask if you would like it to automatically switch to the high pressure sensor 4 Control 4 Confirm the set value and the calibrator will automatically start controlling to the set point The control may be paused at any time by pressing sms The following functions are disabled in the CONTROL mode Pressure Zero Section 3 1 10 Step Section 3 1 11 Leak Test Section 3 6 1 VENT Section 3 6 2 and Calibration Section
29. h ne ER ae RA ehe Deere 10 3 FUNCTION and operation urssssssuemasan un a a ana 11 341 Display and basic Operation aan ann Dana rund a da Hanna A REIHE 11 3 1 1 HOME Screen u nn a alien 11 Addit 3 kA Pressure COUPE oa laa 12 3 11 39 Pressure MCAS ULC secsec iia Dos tp a NEE a isis ala ETE iia 13 3 14 IPROSSUPG Ulloa AAA A ida 14 3 41 9 GUrrent output ia 14 3 1 6 Current voltage measure esesesesssesssnsnsnsnenenenenenennnnnnnnnnnnnnnnnnnnnnnnnnnnnsnnnsnnenesnsnsnsnsnsnsnsenenenenensnne nenn 15 INES WISE energie ee 15 3 1 8 External press reim dule us nein a en ann celeste wells 16 33 WO SCALING rare tee en ee i aaa a aaa aa aaa Ea ranae 17 A ae an E E EE O ANO 17 IAS anita iii 17 IMAZ SMA Oi a ee snes 19 Si Vs WS O 19 3 2 HART este sic a as tne A iO EEE 20 2 2 1 Poli A AR nok aoe eee Ha ade A een ee Ei 20 3 2 2 ProceSs Vvarlables 5 0a anne ner E ee eher 21 32 3 8 OU OO 22 22A A Penner ee near Ener en eek ee 23 3 3 Typical applications in the main Screen ssssessnnnnnnnnnnnnnnnnnnnnn eee eens eee eee eee eases nn unennunnnnennnnnen 24 3 3 1 Calibrating pressure gauges snaa ri et aia 24 3 3 2 Calibrating pressure transmitterS 222sssssssesssesnsnsnnnnnnnennnnenenenenensnsnsnsnnnnnnnnnnnnnenenensnnnenennnse nennen 24 3 3 3 Calibrating HART transmitters sa einen 25 3 3 4 Calibrating pressure switches eeenenne df 26 3 9 9 Calibrating I P CONVErtErS u Hase ana AEREA EA O DARRO A
30. he process variable is AO or loop mA the output is linear but the measure is square root The other introduction is similar with calibrating a common pressure transmitter Section 3 5 3 3 Run Poll HART devices automatically if needed or press to do it manually Section 3 2 1 Compare the range of the task settings with the real range of the HART transmitter 4 If the process variable is HART AO HART or Loop mA the transfer function of the HART transmitter will be changed to the same as the transfer function of the task settings HART disconnection will cause the task to end 4 The other introduction is similar with calibrating a common pressure transmitter Section 3 5 3 4 Service As found data is the task result showing the condition of a HART transmitter before it is calibrated Press F2 to trim the HART transmitter Section 3 2 4 4 Press Es to restart the task after servicing and the result is recorded as left 43 AdditeD 3 5 5 Calibrating pressure switches 1 Connect Connect the calibrator to pressure switch as shown in Figure 3 23 nial ZANCW aaa ar ce Switch B Setpoint Task name Dead band 1 Enter an alphanumeric name and press numerical keypadto Jf L _ _Y__ Reset input special codes Switch B 2 The name cannot be the same as the existing task Pressure 3 The characters of the input test name cannot exceed 13 spaces Pressure type Gauge Absolute or Differential Swtich A Range Pressure
31. iety of devices such as dial pressure gauges digital pressure gauges pressure transmitters pressure switches and l P converters 1 2 Features Automatically generates pressure with high precision Excellent response time HART communication Loop power supply at 24V Task management firmware which stores and archives test procedures and results 800x480 TFT LCD with friendly HMI Multi lingual display Rechargeable Li battery Light weight and portable Built in leak test Updateable firmware AdditeD 1 3 Specifications Model Pressure Range Range 1 Range 2 ADT761 LLP 25 to 25 mbar 10 to10inH O 2 5 to 2 5 mbar 1 to 1 inH O 25 to 25 mbar 10 to 10 inH O ADT761 D 0 95 to 1 bar 13 5 to 15 psi 25 to 25 mbar 10 to 10 inH O 0 95 to 1 bar 13 5 to 15 psi ADT761 L 0 95 to 7 bar 13 5 to 100 psi 0 95 to 2 5 bar 13 5 to 35 psi 0 to 7 bar 0 to 100 psi ADT761 M 0 90 to 25 bar 13 to 375 psi 0 90 to 2 5 bar 13 to 35 psi 0 to 25 bar 0 to 375 psi ADT761 H 0 90 to 40 bar 13 to 600 psi 0 90 to 2 5 bar 13 to 35 psi 0 to 40 bar 0 to 600 psi ADT761 LA 0 95 to 7 bar 13 5 to 100 psi 0 95 to 2 5 bar 13 5 to 35 psi 0 95 to 7 bar 13 5 to 100 psi 0 05 to 8 bar a 1 2 to 115 psi a 0 05 to 3 5 bar a 1 2 to 50 psi a 0 05 to 8 bar a 1 2 to 115 psi a ATA 0 90 to 25 bar 13 to 375 psi 0 90 to 2 5 bar 13 to 35 psi 0 9 to 25 bar 13 to
32. if Vs lt Ve ascend first and Vmin Vs Vmax Ve If Vs gt Ve descend first and Vmin Ve Vmax Vs 2 The unit is the same as the unit of Source item Step Mode and size The output values of the steps are calculated as follows 1 The step size of point number N and the output values n Vmin n 1 Vmax Vmin N 1 n 1 2 n 1 N 1 17 AdditeD 2 The step of engineering unit E and the output values n Vmin n 1 E n 1 2 n 1 E Ve 3 The step of scale P and the output values n Vmin Vmax Vmin n 1 P n 1 2 n 1 P 1 note The range must be divisible by the step size The step range cannot exceed the range of the calibrator The step range cannot exceed the control range of the CONTROL SETUP or the calibrator will prompt the user to reset the limits 4 Stroke mode select the One Way or the Two Way Wait Time 1 For the auto mode only the range is 1 3600 seconds 2 When SOURCE is set to Current the wait time is time between mA steps 3 When SOURCE is pressure the wait time is the duration after the pressure has stabilized 2 Run Press Fs to start Manual mode press O to advance to the next step and then press Mur to end 4 Auto mode the calibrator will run the steps automatically Press Fs to pause or continue and then press FL to end 18 AdditeD 3 1 12 Snapshot 1 Snapshot In the home screen press SAVE to store a record that includes a record of the
33. istor and internal 24V loop power supply as shown in Figure 3 13 Use the internal series resistor and external loop power supply as shown in Figure 3 14 Use the external series resistor and external loop power supply as shown in Figure 3 15 Figure 3 15 External series resistor and external loop power supply 20 AdditeD 4 Ensure a proper connection see connections above From the home screen press HART to start the HART function 2 Poll The calibrator will poll address 0 If no connection is made it will scan from address 1 to 15 Once the calibrator establishes communication with the transmitter the transmitter will be added into the HART device list Press FL Ese to stop the polling Press Ess to restart polling 3 Online offline The HART functions are shown in the Measure window of the Home screen and the HART icon will display in the status bar after connection to the transmitter is established Press ED Ese to disconnect the HART instrument and the HART icon will disappear 4 if HART communication is terminated the HART function will abort and the calibrator will prompt to poll again If HART communication is terminated in use the HART function will abort 3 2 2 Process variables Display HART PV HART AO HART Loop mA Press F3 y Enter to select the process variable to be the main value displayed in the MEASURE window 4 Select the process variable in the MEASURE screen before r
34. mode or in SOURCE mode Viewing the snapshot files the data display according to the resolution when stored Section 3 1 12 In the Task Report the date displays according to the resolution when the task was created Section3 5 If there is a display error it will display according to six digits 2 Triple display If enabled the home screen will show three windows when the pressure module is connected Figure 3 2 4 If the pressure module is selected as MEASURE or SOURCE then triple display will appear 3 Backlight Auto Off Turn Off Light Automatically turns off the backlight after a set time Accepted timeout period Never 5 minutes 10 minutes 30 minutes 1 hour 2 hours and 4 hours The backlight will come on by pressing any key The backlight is disabled in the Step function and the Control mode 4 Power Auto Off Auto Power Down Automatically turns off the power after a set time Accepted timeout period Never 30 minutes 1 hour and 2 hours It is disabled in the Step function the Control mode and the charging status 5 Brightness 4 Press F2 EN to increase or decrease the brightness Accepted eleven levels 3 4 4 Date and time The date and time are shown on the status bar according to the configuration The date can be set from 2000 01 01 to 2099 12 31 and the range of time is from 00 00 00 to 23 59 59 The setting also takes into account the number of days in the month and leap year 30
35. nts Only charge with supplied battery model 9723 and make sure the battery has not short circuited AdditeD General safety Do not shake drop or bump the calibrator while in use If condensation has occurred thoroughly dry out the 761 before startup Connecting the REF FLT port to the reference port of unit under test UUT with a small differential pressure range might result in control problems over time as the environmental temperature changes Disconnect the ports and reconnect to resolve control issues The vent port should not face the operator during venting Do not apply excessive voltage or current to the electrical terminals Do not use any adapter other than Additel model 9818 Charge as soon as the battery symbol indicates Ifthe calibrator is not working properly turn it off remove the battery and contact Additel Do not remove the battery while it is charging or when the calibrator is in use Before turning off the calibrator make sure the system pressure is reduced to the atmosphere pressure AdditeD 1 Introduction 1 1 Overview The ADT761 Series Automated Pressure Calibrator generates pneumatic pressure rapidly with high precision and stability Precision measurement and digital control technology developed by Additel are used in the ADT761 With dual pressure sensors precision electrical measurement and source the ADT761calibrator provides many different ways to calibrate and test a var
36. of the setting also you can change the slew rate manually by press 4 3 5 6 Calibrating I P converters 1 Connect Connect the calibrator to the I P converter as shown in Figure 3 24 Do not over pressure the calibrator Check the load ability of the UUT for the internal 24V power supply 2 New Task name 1 Enter an alphanumeric name and press to input the special codes Figure 3 24 Calibrating an l P converter 45 AdditeD 2 The name cannot be the same as the existing task 3 The characters of the input test name cannot exceed 13 spaces Output signal According to the current range of the UUT Accuracy 1 Given 0 05 0 1 0 15 0 25 0 5 1 0 1 6 2 Custom X XX When the custom range is selected press F2 and the field can be edited to the desired accuracy from 0 01 to 100 FS 4 Calibration points 1 The range is 2 17 2 Scale will default to linear steps over the chosen range of the UUT 3 Each test point can be edited individually Range of UUT 1 Cannot exceed the measure the range of the calibrator 2 The high and low limit cannot be equal Cycles 1 3 Run Input the information before running including the date the default is the system date the ambient temperature the default is 25 C and the range is 0 50 C and the relative humidity the default is 40 RH and the range is 0 100 RH Pressure Source Internal Pressure or Pressure Module 4
37. on complete the pressure module connection as shown in Figure 3 11 2 Display A symbol will be shown on the status bar indicating an external pressure module is online The home screen will show three windows with the TRIPLE DISPLAY when it is enabled in DISPLAY SETUP Both the MEASURE and SOURCE can be changed to Figure 3 11 External pressure module read the external pressure module If the value falls outside the external pressure module s pressure range the color of the displayed value will change from black to red and the calibrator will issue the alarm 4 Ifthe value exceeds the measure limit of the external pressure module the value will be shown as and the calibrator will issue the alarm 16 AdditeD 3 Operations 4 Press F2 to select a pressure unit Section 3 1 4 and Table 3 2 Press FI to display the information of the pressure module 3 1 9 Scaling 4 When a current or voltage is being measured the calibrator can scale the signal to display pressure or of full scale Press BT to set correlative parameter 3 1 10 Zero When offset occurs a Pressure Zero or Electrical Zero can be applied to the High Low Range pressure Current Voltage measure or external pressure module Zero can be done within 1 FS of the pressure or 0 1 FS of the Current Voltage 3 1 11 Step 1 Setup Press ri to setup the step parameter in SOURCE mode 4 Starting point Vs and Ending point Ve 1 They cannot be equal
38. ontrol and be in standby mode During the test time the calibrator will monitor the drop from the start pressure Start P to the ending pressure End P and the change in pressure or leakage is determined 3 Run Internal high low range 1 Press FA ou to start to pressurize to the set point and wait for the displayed pressure to stabilize 2 The 761 will continue to control and the wait time will count down 3 When the wait time reaches zero the calibrator changes to the Standby mode and records the displayed pressure as the start pressure 4 The test time will count down Real leakage Start pressure Real pressure 5 When the test time reaches zero the calibrator records the displayed pressure as the end pressure and then reduce the system pressure to near the atmospheric pressure 6 Finally Leakage Start pressure End pressure 7 By pressing the sranpsy EN to pause or continue during step 1 2 3 4 the run mode will be changed between the Standby and Control in step 1 2 External pressure source 1 Connect to an external pressure module 2 Pressurize to the leak test point with an external pressure source 3 Press 4 Enter to start to run and record the displayed pressure as the start pressure 4 Start test and the test time will count down Real Leakage Start pressure real pressure 5 When the test time reaches zero record the displayed pressure as the end pressure 6 Final leakage Start press
39. pical applications Select the Help in the setup screen Press toview 3 4 8 Information Sys Info Model serial number software rev hardware rev and manufacturing date Atmos Provides the atmospheric pressure Hi and low Range Model range overload manufacturing date serial number form pressure type accuracy and software rev P Module If an external pressure module is connected the model range overload and manufacturing date information is displayed 3 4 9 System Calibration To ensure optimum instrument operation the current voltage measure the current source and the internal dual pressure range should be calibrated at regular intervals The calibrator also provides a way to calibrate the external ADT160 pressure module The calibrator can also calibrate inlet pressure and atmosphere pressure Making errors when calibrating will affect the precision and possibly even cause abnormalities The calibration data can be restored to the factory default and the calibration date changes to Recommend the use of appropriately accurate primary standards when calibrating this instrument Enter the system calibration in the Setup screen and select the function The password is 811 34 AdditeD 3 4 9 1 Current voltage measure 1 Calibration points The default is 30mA OmA 30mA for current measure and 30V OV 30V for voltage measure Calibration points can be edit
40. racies are available 2 Custom X XX When the custom range is selected press F2 and the field can be edited to the desired accuracy from 0 01 to 100 FS 4 Calibration points 1 The range is 2 to 17 2 Scale will default to linear steps over the chosen range of the UUT 3 Each test point can be edited individually 4 Setting a point to less than 0 95bar will be adjusted to 0 95bar Resolution 1 To format the indicator of the UUT 38 AdditeD 2 When the Scale input form is selected Real Indicator Experted Offset Resolution 3 Resolution entered in terms of the unit resolution e g resolution of 0 1 when measuring in bar is 0 1 bar Tapping Tap or no tap during the calibration process of the analog gauge Cycles 1 to 3 Run Input the information before running including the date the default is the system date the ambient temperature the default is 25 C and the range is 0 25 and the relative humidity the default is 40 RH and the range is 0 100 RH Pressure Source Select the Internal Pressure or Pressure Module Start and wait for the displayed pressure to stabilize Input the reading of the UUT that cannot exceed 110 full scale of the UUT When continuing with no input the standard value will be recorded as the indicator If tapping is enabled the calibrator will ask you to input the reading after tapping the indicator Complete this step and continue 4 Continue through the remaining pres
41. re gauge 2 New Task name 1 Enter an alphanumeric name and press Y to input special codes 2 The name cannot be the same as the existing task 3 The characters of the input task name cannot exceed 12 spaces Range of UUT 1 Range 0 1bar 1 2bar 2 Cannot exceed the output range of the calibrator 3 The high and low limit cannot be equal 4 Over pressuring will result in damage to the UUT 4 Calibration points 1 The range is 2 17 Figure 5 2 Calibrating a mercurial barometer 52 AdditeD 2 Scale the steps in accordance with the linear theUUT for the default 3 Every point value and tolerance can be edited Resolution Given 1 0 1 0 01 0 001 Cycles 1 3 Temperature coefficient used to correct the value where applicable 3 Run Input the information before running including the date the default is the system date the ambient temperature the default is 25 C and the range is 0 50 and the relative humidity the default is 40 RH and the range is 0 100 RH Stroke mode One Way or Two Way Wait for the displayed pressure to stabilize Input the value from the UUT After inputting the value for the UUT the standard value will be recorded from the calibrator After completing all the set points a report is automatically generated 5 3 3 Aneroid barometer 1 Connect 4 Connect the calibrator to the aneroid barometer as shown in Figure 5 3 2 New and Run Creating and running the task ar
42. red stable in the following conditions 28 AdditeD 1 Output value Set value lt control stability setting 2 Control stability is achieved within the stable delay period Stable beep the stable prompt sound 4 Slew rate Pressurize at a fast medium slow speed The default is fast but may be changed to better determine the precise trip value when testing a pressure switch 5 Switch damping Averaging time period before the switch trips The range of the time is 0 1 99 seconds and the default is 0 1 4 Set it according to the switch specifications too long of a dampening time may cause an error in the trip point 6 Auto Zero If enabled the calibrator will automatically zero pressure value when it is in vent state and record the offset If Absolute pressure type selected the Auto Zero will be disabled automatically 7 Vent P Vent Pressure When the real pressure is less than the Vent Pressure setting and when controlling the zero pressure the calibrator will automatically vent Accepted range of Vent P 0 105 FS 3 4 2 24V power Short current protected then the symbol indicating 24V status on the status bar will flicker The DC24V power will stay activated when using the current Source or the HART function with internal loop power and will return to the original status after the loop power is changed 3 4 3 Display setup 1 Resolution 29 AdditeD Set the resolution of data display in MEASURE
43. s FA to select internal loop power or external loop power The default setting for the DC24V power is to remain on unless external loop power is selected 4 Entering a value Use the numeric keypad to enter a value and press or Enter to confirm If there is no operation within 10 seconds the calibrator will automatically cancel the entry The value must be within the range of 0 22 mA 14 AdditeD 3 1 6 Current voltage measure 1 Selected Current or Voltage in MEASURE mode Do NOT apply voltage current that exceeds the current voltage range Press i to zero If the value falls outside the current voltage range the color of the display value will change from black to red and the calibrator will issue the alarm If the value exceeds the measure limit of the calibrator the value will be shown as and the calibrator will issue the alarm 2 Connection complete the electrical connection as shown in Figure 3 8 or Figure 3 9 Figure 3 8 Current measure Figure 3 9 Voltage measure Figure 3 10 Switch test 3 1 7 Switch test 1 Select Switch in MEASURE mode 2 Connection Complete the electrical connection as shown in Figure 3 10 15 AdditeD 3 Trip values The switch test will only work if the SOURCE window is set to source pressure The calibrator records the trip values and the state open close of the switch Press Ain to erase trip values 3 1 8 External pressure module 1 Connecti
44. sure set points until finished You can then generate a calibration report When dual range is being used the calibrator will switch the pressure range automatically The calibration points of the task cannot exceed the control range of the Control setup or the calibrator will prompt the user to reset the limits The calibrator will automatically switch to the suitable range if needed 39 AdditeD 3 5 2 Calibrating digital pressure gauges 1 Connect Connect the calibrator to the digital pressure gauge as shown in Figure 3 21 When testing a differential pressure gauge use the REF FLT port to connect to the low pressure port of the differential pressure gauge VENT OUTLET REF FLT 2 New and run The task set up and run is very similar to a dial pressure gauge q Section 3 5 1 except Accuracy settings where the accuracy can be defined as a of FS or a of reading or a combination of FS and of reading 3 5 3 Calibrating pressure transmitters When calibrating a pressure transmitter the calibrator will measure and record the current voltage from the transmitter supply 24V loop power at every desired set point automating the full calibration 1 Connect Connect the calibrator to the pressure transmitter as shown in Figure 3 22 Figure 3 22 Calibrating a two wire pressure transmitter 40 AdditeD When testing a differential pressure transmitter use the REF FLT port to connect to the low pr
45. t is automatically generated 5 3 5 Pressure transmitter As shown in section 3 5 3 and section 3 5 4 5 3 6 Pressure switch As shown in section 3 5 5 55 AdditeD Appendix A Data Sheet A 1 Environment Operating temperature 0 50 C 4 Storage temperature 20 60 C Humidity lt 90 RH non condensing Atmospheric pressure 0 86 1 06 bar A 2 Power Power internal rechargeable battery or adapter Charging time less than 3 hours 4 Battery operation typical 8 hours depending on the pressurizing frequency A 3 Technical specifications Internal pressure ranges and accuracy Pressure Module 1 Pressure Module 2 13 5 to 100 psi 13 5 to 35 psi 0 to 100 psi Type Model Pressure Range Range Accuracy Range Accuracy 25 to 25 mbar 2 5 to 2 5 mbar 6 25 to 25 mbar A Low Differential APT761LLP 100 10inH20 1to1inH20 05 FS 4010 10 inH20 0 03 FS Pressure 0 95 to 1 bar 25 to 25 mbar A 0 95 to 1 bar a ADT761 D 41351015 psi 10to10inH20 95 FS 43 5 to 15 psi 0 02 FS Gauge Pressure ADT761 L 0 95 to 7 bar 0 95 to 2 5 bar 0 02 FS 0 to 7 bar 0 02 FS Table A 1 Pressure ranges 56 AdditeD Pressure Module 1 Pressure Module 2 Type Model Pressure Range Range Accuracy Range Accuracy 0 90 to 25 bar 0 9 to 2 5 bar a 0 to 25 bar E ADT761 M 41310375 psi 13to35 psi Aedes 0 to
46. terface DC27V input Power supply and battery recharge Table 2 1 Electrical terminals and signal interface 2 1 3 RS 232 interface The RS 232 interface is designed as a 9 pole SUB D socket Pin configuration see Figure table 2 2 Pin 1 2 3 4 5 6 7 8 9 Configuration N C TX RX N C GND N C N C N C N C Table 2 2 Pin configurations AdditeD 2 1 4 Keypad Key Introduction O Turns the power on and off HART Enters HART communication mode TASK Enters task management mode to calibrate a device SETUP Enters setup mode to modify operating parameters SAVE Stores snapshots VENT Vents the calibrator STANDBY Disables control Quits and returns to the previous menu Confirms the entry Moves the cursor Perform the function defined by the label above each key on the display 0 9m Hv Numeric keypad used whenever a numeric entry is required Table 2 3 Key functions AdditeD 2 1 5 Pneumatic port OUTLET port The calibrator provides the controlled pressure output to the UUT The range of the pneumatic volume for control is 0 100 cc and should not be exceeded REF FLT port ADT761 BP port is blocked ADT761 LLP D port is the reference or low port Leave open to measure in gauge mode All other ADT761 models port contains a filter for internal pump The filter should be changed when dirty as shown in figure 2 3
47. the external ee module Press EN to start Use a standard pressure source to pressurize the pressure module and wait for the measured value to stabilize Press E Enter to record and continue and press FT Ese to review 3 4 9 5 Self tune For factory test only 3 4 10 RS232 setup Select the RS232 setup in the setup screen Set the baudrate databits and stopbits Press numeric keypad to set the address and the range is 001 121 3 5 Task The calibrator provides the task function for automated calibration while storing and archiving the calibration data To use this function press TASK and it provides five kinds of calibration task for the following UUTs dial pressure gauge digital pressure gauge pressure transmitter pressure switch and l P converter When using different types of equipment the MEASURE and SOURCE will be set automatically The maximum number of tasks stored is 200 When the cursor is on New Task press er to delete allthe tasks and data Carefully select your operation as they cannot be reversed 36 AdditeD When the cursor is on New Task press E Enter to create a new task with the last one as a template Press A v toselecta task and view its information and press 4 gt to page up and down Press E to save as a new task 4 Press fs to delete the selected task and its data Carefully select your operation as it cannot be reversed If the selected task calibration has not been ran press
48. tter Section 3 2 1 and press is to change the process variable to HART AO Section 3 2 2 A Press F2 to set the parameters of the HART transmitter Section 3 2 3 Press Fs to service the HART transmitter Section 3 2 4 Pressurize manually or by the step function Section 3 1 11 NO OO f Record the measured value or by using snapshot Section 3 1 12 after the pressure is stabilized include 4 process variables 3 3 4 Calibrating pressure switches 1 Prepare Select the High or Low range in SOURCE mode Select the Switch in MEASURE mode 2 Connect Complete the pneumatic and electrical connection VENT OUTLET REF FLT as shown in Figure 3 18 3 Capture trip values Automatic 1 Pressurize to the high limit of the UUT until the switch trips Figure 3 18 Calibrating a pressure switch 2 Decompress to the low limit of the UUT until the switch trips 3 To capture a more precise switch point the Slew Rate should be set to low speed in the Control Setup screen Manually 1 Pressurize to the anticipated trip point of the switch 26 AdditeD Select the High or Low range in SOURCE mode 4 Select the Current or Voltage in MEASURE mode Activate 24V power 2 Connect 4 Complete the pneumatic connection as shown in Figure 3 17 For low range differential sensors connect the REF FLT port to the reference port of the gauge as shown in Figure3 4 3 Pressurize manually or by the step function S
49. unning a HART transmitter calibration task 21 AdditeD 3 2 3 Setup 1 Parameters Press IEZ to setup the following functions Category Sub Category Read Only or Read and Write Description MFR Manufacturer NA Read only Transmitter manufacturer Model NA Read only Manufacturer model number Device id NA Read only Manufacturer device id Tag NA Read and write Enter an alphanumeric tag 8 max length Address Read and write Polling address9Interger 0 15 Date Read and write Any accepted date Device Info Descriptor Read and write Enter an alphanumeric tag 16 max length Message Read and write Enter an alphanumeric tag 32 max length Write Protect Read only Manufacturer setting Hart Revision No req preams Revision Read only Manufacturer revision settings Software rev Hardware rev PV Snsr s r Read only Manufacturer setting PV Snsr Unit Read only Sensor pressure unit Sensor PV LSL Read only Process variable lower limit PVUSL Read only Process variable upper limit PV Min Span Read only Process variable span PV Unit Read and write Process variable pressure unit PV LRV Read and write Process variable lower limit PV URV Read and write Process variable upper limit Signal Damping Read and write Numeric entry 0 199 seconds Xfer Fen Read and write Selectable Linear or Square Root AO Alarm Type Read only Manufacturer setting for alarm state Table 3 3 H
50. ure End pressure 32 AdditeD 7 Press ED to pause and continue during step 4 A graph is shown depicting each step of the test Press VENT to vent and end the test O The set point with the internal ranges cannot exceed the control range of the Control Setup or the calibrator will prompt the user to reset the limits 3 4 7 2 Vent This operation will clean out impurities from the calibrator by pressurizing the calibrator and venting the system 1 Connect Plug the Outlet port with the provided plug Please gather and properly dispose of any pollutants during venting as shown in Figure 3 20 The vent port should not face the operator 2 Run Select vent under the tools icon in the setup screen O The 761 will automatically switch to the high range O Press EN to pressurize to the venting pressure Set Point When the pressure reaches the venting pressure the vent valve will open to release the system gas and other pollutants Venting can be performed repeatedly O The set point cannot exceed the control range of the Control Setup or the calibrator will prompt the user to reset the limits 3 4 7 3 Unit conversion Select converter under the tools icon in the setup screen Eleven pressure units are show in the conversion chart 33 AdditeD Entering any value with the numeric key pad will show the corresponding values in all units 3 4 7 4 Help The calibrator provides images and diagrams showing basic connections and ty

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