U209-B 8-digit electronic counter

U209-B 8-digit electronic counter

Features:

Power: DC12V

Total :8digits counting pulse width more than 40 ms

100% Factory Tested.

Packing:

Weight: Dimension:

150g/case of 1 70×32×42mm/case of 1

ct before switching on suction pump. After oil being sucked up carefully inspect all connection and sealed sections whether exists leakage. Scrutinize the working states of measurement transducer, pump and vapor separator after starting operation. As for new filing station, clean waster and water in pipeline. Preset unit price according to oil price. It is regulative to twice PPU presetting for each fuel dispenser per day. Appraise each nozzle flow rate in accordance with fuel dispenser’s metrological regulation and procedure, indicating value error no more than ±0.3%, repeatability error no more than ±0.15%. Regulate the adjusting bolt of overflow valve to change flow rate, increasing or reducing it. It must switch off power supply to maintain failure in debugging progress. It is strictly prohibited to debug as explosion-proof junction box being open. Debug personnel should clearly tell all operating functions and methods of fuel dispensers to station staff, and make report to station owner and get fuel dispenser authorization. Chapter VI Metrological approval of fue fuel dispenser l dispenser As commercial measure instrument, fuel dispenser is used for calculating the volume of commercial-used fuel. Thus, its accuracy directly correlates the customer’s economical benefits. That is the reason why fuel dispenser in China should be conducted a compulsory appraisal in accordance with State’s law on metrology. Metrology aims at ensuring exactitude on basis of united unit. The metrological appraisal for fuel dispenser refers to the work that to appraise measurement performance and to inspect whether or not abiding by legal requirements. The metrological regulation on fuel dispenser JJG 443-98 (hereinafter called JJG443-98) promulgated in Aug 1, 1998, is a legal tool to appraise metering of fuel dispenser, which introduces the international metrological technology regulation and global practice. JJG 443-98 emphasized that flow meter is core component in fuel dispenser, enhances metrological requirement, increasing the cont fuel dispenser

currently fuelling do not stop the transaction. Continue to dispense fuel until the end of　　 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 its 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 fuel dispenser does not receive a　　heartbeat within the duration of fuel dispenser 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 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. fuel dispenser

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