U201-A Main board

U201-A Main board

Features :

Dual stable voltage input

Running normally on the condition of -40~~+55degree

Board-fixed EMC component

Input & output signal differentiate from system voltage individually

CPU changed only for different models

Weight:190g

100% Factory Tested.

Con Conection Con Conection Con Conection

P1 micro-swith 1 P6 power board P12 ----------

P2 micro-swith 2 P7 sensor 1 P13 display 1/A

P51 keypad 2 P8 sensor 2 P14 display 1/B

P3 keypad 1 P9 computer

P4 power board and SSR P11 display 2

result during approval progress. The other is to make adjustment as temperature fluctuate 20 degree. Stopwatch, minimum value 0.1 second, is used for measuring how long a certain volume medium discharge out of fuel dispenser so as to calculate its flow rate. Gradienter, precision being 0.05mm/m, measures the degree of level. Article III Indicating appraisal method and data processing Appraisal of fuel dispenser actually is an indicating access. Presently, cubage compare method is mostly used defining basic tolerance between the volumes flow over flow meter and in metal standard measurer. Diagram 6-2 is illustrated the fuel dispenser’s appraisal flow. 1: Check valve 2: Pump 3: Vapor separator 4: Flow meter 5: Indicating device 6: Hose 7: Nozzle 8: Standard measurer 9: Measurer 10: Switch & zeroing 11: Container 12: Motor 13: Tank 14: Filter net Diagram 6-2: Appraisal of fuel dispenser using metal standard measurer Preparation before appraisal Place metal standard measurer on the hard ground and adjust with gradienter. It also put on vehicle or other bracket, as long as not waving or vibration during appraisal progress. Metal standard measurer should be earthing- connected. It is suggested to connect the measurer to ground terminal of fuel dispenser, making them being same potential. Running-in and wet measurer. Putting indicator device at zero, open nozzle and observe oil indicator. Oil is transp fuel dispenser arent as there is no foam in it. If have foam or bubble oil would be feculent and opaque. If foam exists in oil for a long time, fuel dispenser would have trouble. Appraise again after solving failure. Close nozzle as measurer full of oil. Empty measurer in accordance with relative method and time, and shut off bottom valve, putting measurer in preparation state. Appraisal procedure of indicating valve Set unit price; Adjust flow to the maximum Qmax; Wet measurer and place it according to regulation; Tune indicator finger to zero position; Infuse measurer as preset volume, measure outlet t fuel dispenser fuel dispenser

€€ã€€ working groups Realization of Force Realization　　 other things to personal computers used for　　 of Torque Periodic Forces and Ion Accumulation.　　 legal control purposes secure data communi-　　 cation and downloading of software subject In the area of force measurement the testing　　 to legal control. The new software require- of the new 2 MN force standard machine　　 ments will likely be published in 2004 in the (2 MN FSM) was completed and the stated　　 form of a WELMEC Guide and then also be relative measurement uncertainty of å¢?2 è·?10 5　　 applicable to non-automatic and automatic was verified by internal comparison measure-　　 weighing instruments. ments. The 2 MN FSM can thus in future　　 again be used for calibrations and interna-　　 The new Dynamic Weighing Working Group　　 tional comparison measurements.　　 intensively worked within the European　　 GROWTH project MID Automatic Weighing The new force measuring machine for small　　 Instruments. This project aims also with forces (10 mN to 10 N) was equipped with a　　 regard to the MID to further harmonize the rotary table to allow load fuel dispenser ing of the force　　 test procedures for automatic weighing transducer with forces in different fitting　　 instruments and to largely reduce unneces- positions. Rotational effects i. e. potential　　 sary test efforts. interactions between transducer and measur-　　 ing device can now be investigated also for　　 As regards international regulations the　　 small forces. The control of the measuring　〠fuel dispenser fuel dispenser

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