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U101-C Flowmeter

fuel-dispenser

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

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technical archives

    emperature of nozzle. tj.; Stop fuel dispenser. Readout indicating valve Vj, unit price Pu, and sale vale Pj. (keep two digitals after decimal.); Readout vernier value corresponding to nadir in measuring neck as foam and bubble disappear completely. Calculate out standard cubage VB (keep two digitals after decimal.) under 20 ? Then measure oil temperature tB in the middle of the standard measurer; Empty measurer according to stipulation; Repeat Procedure 4 to 8 at least twice; Regulat flow rate to the minimum rate Qmin, as for appraisal or period appraisal after ground installation, Qmin = 0.2 Qmax. Repeat Procedure 4 to 8 at least three times; Till now ground appraisal has been finished, namely, take six groups of data at least under two kinds of flow rate and repeat it 3 times. Data processing calculating formula Calculating formula for real volume VBt in standard measurer under testing temperature tj: VBt = VB [1+βY (tj - tB) + βB (tB-20) ] (6-1) Relative volume error formula: EV = (VJ –VBt) / VBt ×100% (6-2) Measure repeatability formula: En = EVmax ?Evmin (6-3) Flow rate calculating formula: Qv = 60Vj / t (6-4) Due money formula: PC = Vj · Pu (6-5) Due money error formula: EP = Pj -Pc (6-6) In above six formulae: VBt──real volume valve (L) under in measurer; VB──standard cubage of measurer under 20; βY , βB──volume expansion coefficient of appraisal media oil and measurer, respectively, (gasoline: 12×10-4/? kerosene: 9×10-4/? light diesel oil :9×10-4/? stainless steel:50×10-6/? carbonized steel:33×10-6/? brass , bronze: 53×10-6/? tj , tB──oil temperatures in flow meter (or nozzle outlet)and standard measurer VJ── cubage value (L) under tj?temperature EV── relative cubage error (%) n ── measuring times fuel dispenser fuel dispenser fuel dispenser

technical specification

    to another.  All rights reserved ? Printed on 281004 10:10 6298   Ref : NT1118R1   MPA V5.2: TECHNICAL SPECIFICATIONS   Nb Pages : 98 + 0 PJ   for the ATM-MONETICS LINK   Date :  POS Department   12.4.2. Transaction   12.4.2.1. Management of a transaction session   Definitions:   a transaction session is declared open after reception by the ATM of the transaction open   reply message (with or without agreement)   a transaction session is declared closed after successful reception by the ATM of the   recording report message   Rule:   all transaction sessions opened by an ATM must be closed again (by the same ATM   or another)   Corollaries:   a server that has successfully issued a transaction open reply (with or without agreement)   must receive a Transaction recording request message   a server can receive several Transaction recording request messages for the same   transaction (such as in the case of poor reception of the report by an ATM)   a server can receive a Transaction recording request message for a transaction for which   it has not authorised the opening (case of a replacement server)   12.4.2.2. Opening a transaction session   A session must be opened by the ATM (transmission of message 3 ) even if the checks fuel dispenser fuel dispenser fuel dispenser

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