Страница 1: ......
Страница 2: ...help 2 Changes or modifications to this equipment not expressly approved by the party responsible for compliance Vishay Israel Ltd could void the user s authority to operate the equipment 3 The antenna used for the load cell transmitter must be installed to normally provide minimum separation distance of at least 20 cm from all persons and must not be co located or operating in conjunction with an...
Страница 3: ...Options 2 2 2 2 2 Main 2 2 2 2 3 Gravity Factor Compensation 2 3 2 2 4 A C 2 3 2 2 5 Channel 2 4 2 2 6 Changing Channel ID and Location 2 4 Section III Operation 3 1 LOAD CELL POWER UP 3 1 3 2 TERMINAL POWER UP 3 1 3 3 AIRCRAFT WEIGHING CYCLE 3 1 3 3 1 Zeroing 3 1 3 3 2 Lifting 3 3 3 3 4 Removing 3 5 3 3 5 Rezeroing 3 5 3 3 6 Weighment Report 3 5 Section IV Weighing History 4 1 RECALL A RECORD FRO...
Страница 4: ...eadings are corrected to standard gravity factor g as required by MlL W 7327C High capacity JetWeigh W kits with load cell capaci ties of 200 000 lb are calibrated on Vishay Revere s high capacity precision hydraulic transfer standard On completion of this calibration the JetWeigh data is verified on the dead weight machine up to the 100 000 lb point Maximum acceptable deviation between the transf...
Страница 5: ...damage Drop ping a load cell however could damage the elec tronic box the diaphragm or other components af fecting its operation or accuracy Each cell has a tapped hole on the bottom to receive a plug or a ring jack adapter The top surface has a radius concave surface to receive either the spherical surface of an adapter or the aircraft jack pad directly NOTE Load cells of identical capacity are i...
Страница 6: ...par ticularly in the case of jet aircraft can cause appreciable difference in the final empty weight and CG determinations Be alert for partially filled non symmetrical fuel tanks 7 With tricycle gear aircraft it is often desirable to level the aircraft as closely as possible before lifting on the jacks Changing oleo strut extensions can do this 8 A stabilizing period of 20 minutes running concur ...
Страница 7: ...erate for approxi mately eight hours on battery power alone 2 2 1 Setup Screen Options Setup mode consists of four sub menu selections lo cated on the left side of the screen Step through each sub menu sequentially starting withMain and proceed ing to Gravity A C and Channel After entering valid parameters for each sub menu the system is ready for live weighing operation NOTE For screens that requ...
Страница 8: ... zero tracking function Zero tracking eliminates minor electronic variations around the calibrated zero value 2 2 3 Gravity Factor Compensation The Figure 2 4 Gravity menu consists of two grayed out text boxes that display the calibration location data and two enabled text boxes for entry of the operation latitude and elevation Enter the exact latitude and elevation of your installation location 2...
Страница 9: ... a new aircraft based upon ID entry in segment d of paragraph 2 2 4 After completing all sequential parameter entries the JetWeigh W System is ready for live weighing op eration Figure 2 6 Load Cell Channel Configuration 2 2 6 Changing Channel ID and Location To change logical channels as shown in Figure 2 7 double click the ID field at the channel selection table This opens an editable field at t...
Страница 10: ...that the air craft be raised and lowered 2 or 3 times dry runs to acclimate system load cells Actual weighing is ac complished in six steps Zeroing Lifting Weighing Removing Rezeroing and Reporting using the weigh ing menu Each step must be performed sequentially and successfully before proceeding to the next step To begin touch the Weighing menu block on the lower tool bar with the stylus and obs...
Страница 11: ... If the problem persists re fer to the Section IV Troubleshooting NOTE When a poor RF link conditions exists a red antenna symbol will appear to the right of the channel ID of the cell experiencing the problem as shown in Figure 3 5 NOTE If a red battery symbol appears to the left of any channel ID the load cell battery must be recharged and the zeroing process repeated Once zero is established to...
Страница 12: ...rnal causes wind etc the user can force the system to proceed to the WEIGHING stage by touching the NEXT soft key A warning message will appear on the screen as shown in Figure 3 7 To continue with forced operation touch the YES key Figure 3 5 Screen Display During Lifting Figure 3 6 Aircraft Fully Jacked Figure 3 7 Weighing Lift Warning NOTE the unstable condition report will be included in the f...
Страница 13: ...eration touch the YES key Figure 3 8 Channel Weight and Percentage Values NOTE The operator must be satisfied that the weighment is valid in addition to the instruments stable prompt Operator acceptance takes into consider ation factors such as the aircraft is completely clear of the ground floor and all items aboard are ac counted for etc The scale will enter the stable condition after an undistu...
Страница 14: ...ust review all error messages and the data on the printout tape to decide if the weighment can be accepted or the aircraft must be re weighed Touch Next to view a complete report of the aircraft weighment cycle 3 3 6 Weighment Report Figure 3 10 depicts the screen view of a typical air craft weighment report All calculations aircraft identi fiers and weighment results are available for visual revi...
Страница 15: ... field and touch the filter button The lower text box will display the report currently se lected at the history table To print an aircraft data report connecting the handheld terminal to the printer and touch the Print button 4 2 RECALLING AIRCRAFT FROM THE LIBRARY Many standard aircraft configurations are recorded in the JetWeigh W Library To choose a configuration from the library view the drop...
Страница 16: ...the load cell on and verify that it is in standby mode No weighing results received form a single load cell 2 Load cell battery needs recharging a Check for a low battery indication at the load cell and the terminal see LED Status Table 5 1 b Charge any all low batteries No weighing results received form a single load cell 3 Poor wireless link a Move terminal closer to the load cell b Check the an...
Страница 17: ...NELS Communication problems are often resolved by switch ing to a different RF channel Figure 5 1 shows the Switch Channel button Touching this button toggles the label caption between channels Save the optimal channel settings by touching the Save Settings button Figure 5 1 Changing RF Channels ...
Страница 18: ...5 7261 E MAIL vs prc vishaymg com Europe Vishay Systems Germany Tatschenweg 1 74078 Heilbronn Germany PH 49 7131 3901 260 FAX 49 7131 3901 2666 E MAIL vs de vishaymg com Vishay Systems UK Stroudley Road Basingstoke Hampshire RG24 8FW United Kingdom PH 44 125 646 2131 FAX 44 125 647 1441 E MAIL vs uk vishaymg com Vishay Systems France 16 Rue Francis Vovelle 28000 Chartres France PH 33 2 37 33 31 20...
