U101-C Flowmeter

U101-C Flowmeter

Materials:

Body: Cast lron (Spray-Painted)

seals: Buna-N

Technical Specifications:

Discharge rate of each revolution:0.5L

Flow rate range:5L~60L/min

Accuracy:±0.2%

Repeat error:�.1%

Environmental condition:-40~~+70degree

Package:

Product ID Net Weight Cross Weight Dimension

U101-C 23kg/case of 1 25kg/case of 1 28×26× 45cm/case of 1

C/DC convert type switch power is universally adopted in fuel dispenser. Diagram 3-13: Structural fuel dispenser sketch map of liner voltage stabilizing power Diagram 3-14: Structural sketch map of switch stable voltage power adopted DC/DC converter Diagram 3-15: Structural sketch map of switch voltage stabilizing power adopted pulse transformer As an electronic component in fuel dispenser, stable voltage power is easily failed and possibly leads to whole trouble of fuel dispenser o fuel dispenser nce appear doesn’t work. Generally, liner voltage stabilizing power adopts 78 series special voltage stabilizing integrated circuit, such as 7805 and 7812, simple design and convenient maintenance. In Diagram 3-16, a popular liner voltage stabilizing power circuit of fuel dispenser is illustrated. Switch power supply adopted pulse transformer will not introduced here, reference with relevant boos when necessary. Diagram 3-16: Circuit diagram of liner voltage stabilizing power These integrated circuits of LM2576, LM4962 AND MC34063A are widely adopted in DC/DC transformer power supply. Intrinsic safety voltage stabilizing power supply in fuel dispenser This kind of direct current is able to employ in flammable and combustible environment only when mounted safety barrier. It also called intrinsic safety voltage stabilizing power supply ill fuel dispenser ustrated in Diagram 3-18. Explosion-proof power supply is only used in explosion-proof box or an atmosphere without explosive gas, including its associated circuit. It is allowed to employ intrinsic safety power in explosive atmosphere, but must in explosion-proof box or an environment without explosive gas. However, its associated circuit is permitted to use in explosive gas atmosphere if meet requirements concerned. The major difference between intrinsic safety power and explosion-proof power is whether install safety barrier. Diagram 3-17: Voltage stabilizing power circuit of DC/DC convertor Diagram 3-18: Sketch map of intrinsic safety power The function of setting a safety barrier i

currently fuelling do not stop the transaction. Continue to dispense fuel until the end of　　 fuel dispenser the transaction or a previous defined limit has been reached. Basically the off-line　　 situation has no affect on the operation of the Dispenser.　　 Do not remove the off-line SC device from the Recipient Table.　　5.4.2 Actions when a Dispenser recognises that a SC comes back on-line　　The Dispenser can recognise that a SC device that has been entered into it fuel dispenser s recipient table is　　back on line when it receives a heartbeat from the SC device.　　DO:　　 Send the unsolicited status and transaction messages to the SC that has come on-line.　　 Please note that this event will cause every dispenser to do the same action so the　　 network could get busy .　　 Start sending unsolicited messages to the SC device as normal.　　5.4.3 Actions when a SC recognises that a Dispenser is off-line　　The SC recognises that the Dispenser device has gone off-line when it does not receive a　　heartbeat within the duration of 3 times the heartbeat interval (normally 3 times 10 seconds =　　30 seconds).　　DO:　　 Indicate to the system operator (cashier) that the Dispenser device has gone off-line.　　FP31_2.21 IFSF - STANDARD FORECOURT PROTOCOL fuel dispenser June 2005　　 DISPENSER APPLICATION　　Page: 134　　5.4.4 Actions when a SC recognises that a Dispenser comes back on-line　　The SC recognises that the Dispenser device has come back on-line when it receive a　　heartbeat from the Dispenser Device.　　DO:　　 Request the Dispenser s status and transaction details.　　5.4.5 Correct Manner of removing a SC from the Network　　When a SC is to be removed from the network or taken off-line the following actions should　　be carried out:　　 Remove the SC s address from all dispensers Recipient Table.

as a powerful marketing tool. Their success led to attention from economists such as Michael Porter fuel dispenser , who noted the role of clusters and promoted them elsewhere as a way to jump start stalled or fledgling economies. Today the impact of Chinese competition is becoming clearer. A long-term decline that saw the gradual erosion of jobs has accelerated, harming the economy. Italy has almost 600,000 jobs in textiles and clothing, about one-third of the sector s total in the old 1 fuel dispenser 5-country European Union and one-quarter of it in the enlarged, 25-nation, European club. The sector has been a major exporter and the generator of a large positive contribution to Italy s trading account. Both employment and that financial contribution are now declining. More specifically, the textiles, clothing and footwear industries are dividing, as competition brings out the best in some companies and others fail to adapt. The best have ripped up their business models and ruthlessly shifted production to wherever it makes sense—some in eastern Europe, others in China itself—in order to concentrate on strengths such as design and marketing where the Chinese can be matched or beaten. Others are struggling to stay alive. Competition from China has also revealed a stark difference between the interests of Italian brand owners, who see a fuel dispenser market opportunity for buying and selling, and many manufacturers, who feel threatened as their mainly domestic customers abandon them. The process is raising doubts about whether the Italian economic model, once seen as robust and effective, was in fact much more vulnerable than it appeared. Far from being an advantage, it seems that it might actually be risky to be part of a cluster where survival depends in part on others to respond to threats in kind. And family firms, though in theory as flexible as any, are not necessarily nimble in practice. Generational conflicts that once mattered little can prove fatal when speed and decisiveness are needed. A good place to see the imp