D-G2Q FUEL DISPENSER

D-G2Q FUEL DISPENSER

FlowMeter Type: Optional

Accuracy : ±0.2%

Pressure Loss (kg/cm): Under 0.25

Motor Voltage(V) :110V/220V/380V,50Hz/60Hz

Capacity(hp): 1HP(0.75kw)

Input Voltage: 110V/220V/380V,50Hz/60Hz

Nozzle: Auto Shut-off Nozzle

Environmental Condition: -40~~+55degree

Control Type: Solenold Vale Control Type

Preset: Function Provided(Small LCDIndicator)

Display(Counter) :Type LCD and Bright Backlight

Digit of Volume : 0~~999,999(6 Digits),Decimal point can be changed

Digit of Amount :0~~999,999(6 Digits),Decimal point can be changed

Digit of Unit price: 0~~9999(4 Digits),Decimal point can be changed

Digit of Total Range :0~~99,999,999,99

Optional Display: Type LCD and Bright Backlight

Digit of Volume : 0~~99,999,999(8 Digits),Decimal point can be changed

Digit of Amount : 0~~99,999,999(8 Digits),Decimal point can be changed

Digit of Unit price: 0~~999999(6 Digits),Decimal point can be changed

Digit of Total Range :0~~99,999,999,99

Totalizer :1~~9,999,999

Hose 4.5m

Weight : 215kg.

Dimension(L×W×H) : 900*620*2180(mm)

Dimension(L×W×H)Of Qty of Container : 40ft: 45 20ft: 22

ents on metrological management. The chapter briefly introduces fuel dispenser’s metrological management and technical requirements, appraisal related and attentions. Article I Metrological management and technical requirements In accordance with The Law on Metrology of fuel dispenser’s legal management mainly includes following aspects: Model approval, initial approval, subsequent appraisal and inspection in operation. Model approval refers to an entire test fuel dispenser , examination and assessment as to new model’s entire performance. Initial approval refers to assess whether or not the fuel dispenser made by manufacturer in accordance with the model having been ratification through a series of testing, as well as metrological performance with relative metrological rules and regulations. Initial approval really has two phases fuel dispenser �- approval combined with factory test, and testing appraisal after installation. Subsequent appraisal is conducted after long time since initial appraisal, from which considerable appraisal period is set down according to related requirements. Periodical appraisal is also regarded as the continued subsequent appraisal. Fuel dispenser’s measuring performance within appraisal period needs to be examined, fuel dispenser so filling station should deploy self-check standard instrument (no less than 20L) to examine and inspect. Apart from applied to fuel dispenser approval, JJG443-98 also adapt sample testing and pattern evaluation. Although there are two items of accuracy and flow distance ratio conducted in initial approval and subsequent evaluation, there are other technical parameters different from approval as for fuel dispenser made after passing pattern evaluation, including minimum calculated volume and minimum cubic variable. Several items reference to the pattern evaluation and sampling testing of mechanical hydraulic section of fuel dispenser as followed: Accuracy testing The testing’s purpose is to define the flow curve and verify the tolerance scope in which the allowed maximum tol

s (78 kbits or 1.25 Mbits)　　 - Power Lines (PLT-20 Cenelec C-Band)　　 - Optical Fibres　　 - Short Range Radio　　 - Infrared Light　　 - Intrinsically Safe　　 - Free Form Topology (FTT-10A 78 kbitss)　　 LonWorks Specific Network Parameters　　 Addressing:　　 - the top level of the addressing hierarchy of a LonWorks network is a domain. If　　 different applications are to fuel dispenser share a communication network they may be separated　　 into different domains.All forecourt devices are installed in domain 1.　　 - the second level of addressing is the subnet. A subnet is a logical grouping of nodes　　 from one or more channels. There may be up to 255 subnets per domain.　　 - the third level of address fuel dispenser ing is the node. There may be up to 127 nodes per subnet.　　 - group addressing facilities are not used.　　 The Lontalk protocol offers four basic message services these being:-　　 ACKD REQUESTRESPONSE UNACKD_RPT UNACKD　　 The service implemented on the IFSF network is ACKD. The ACKD service is were　　 a message is sent to a node and individual acknowled fuel dispenser gements are expected back from　　 each recipient node. If the acknowledgements are not all received the sender times　　 out and retries the transaction. The number of retries and the time-out value are　　 variable and are set along with the network parameters by application level code　　 (layer 7 OSI model) see below for parameter description and the values set in the IFSF　　 network implementation:-　　February 2006 IFSF - STANDARD FORECOURT PROTOCOL FP2_1.90　　 COMMUNICATION SPECIFICATION　　 Page: 9　　

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