S-GA FUEL DISPENSER

S-GA FUEL DISPENSER

Pump Type :Optional

Inlet Pressure :>=54kPa.

Flow rate (L/min.) :55±5

Suction Distance (m) :6(verticalmente) / 50(orizzontalmente)

FlowMeter Type : Optional

Accuracy :±0.2%

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 : 285kg.

Dimension(L×W×H) :1160*560*2215(mm)

Dimension(L×W×H)Of Qty of Container: 40ft: 27

ion without authorization; illegal disassemble or modify IC card so as to chang fuel dispenser e data. Apart from the above methods there are some professional attacks mainly for operating system. IC card intellectual Prevention technology mainly contains two aspects: one is for IC card itself including physical safety; the other is for information exchange process. In order to ensu fuel dispenser re the physical safety of IC card, some safety technologies are adopted in manufacture of card base, such as laser engraving, fluorescent printing and macroline technology. As for possible attacks, chip manufacturers have researched many methods: Inspection of exterior voltage; Inspection of low frequency of clock; Preventing information of data bus being pick through supervision programme; Protecting memory by logical encryption; Fuse protection; Mounting encrypted calculating processor for chip. The above safety technologies are belongs to hardware aspect. Whichever technology provided for hardware platform, the prevention technologies of differential power analysis (DPA) and simple power analysis (SPA) should be considered in software. COS safety mechanism The purpose of COS safety protection aims at protection information on card and exchanged between terminal and card. Therefore, safety mechanism should be able to effectively control information, which is considered in two aspects: One is to control the right to operate information, that is, who is authorized to operate information; the other is to process information itself, that is, encryption processing by which unauthorized person is unknown to its contents, even though he or she has got information. Other methods include: adopting enhanced Data Encryption Standard (DES) calculation in operating system; memory adopts special enc fuel dispenser ryption; employing specific I/O technique to prevent Differential Power Analysis (DPA) attack. The control of right to operation of COS basically is divided into two categories: authentication mechanism and safety report mechanism. In real appli

eed not be　　unique for a customer and does not need to be injected at the fac fuel dispenser tory or at the site.　　This method provides security against attacks such as physical penetration; device　　substitution; tapping; bypassing encryption; and transaction replay or alteration. The　　architecture employs a local key management zone. The zone always uses Derived Unique　　Key Per fuel dispenser Transaction (DUKPT) and unique key per terminal. This provides several　　advantages. First of all it allows the COPT to always use DUKPT and to employ a unique　　derivation key per COPT regardless of the key management method employed in the rest of　　the system. Because the COPT gets its initial key from the controller after installation the　　COPT does not have to be dedicated to specific customers reducing spares cost and　　decreasing MTTR. The method used to provide the initial key to the COPT is Exponential　　Key Exchange (Diffie-Hellman) a public key technique.　　During operation the data is collected at the COPT and encrypted under the DES Encryption　　Algorithm creating an encrypted data block. Using DUKPT the encrypted data is sent to the　　controller which can then be decrypted. The keys used by the COPT may be changed at any　　time if compromise is suspected (or just for additional security) without returning them to a　　key injection facility or taking a key loading device to the site.　　At the heart of the security structure is the use of Exponential Key Exchange to initialize the　　COPT from the controller. This technique makes possible many of the benefits mentioned　　earlier while providing a high level of security for data within the system.　　In the controller the data is decrypted. With the decrypted data in clear text in the controller　　the controller is alwa fuel dispenser ys a possible target of attack.　　The method used to provide the initial key in the COPT is to calculate the key at both the　　COPT and the controller. This method involves the transmission of interm

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