FUEL FLOW METERS
DFM 50S7/100S7/250S7/500S7
one-chamber and differential
OPERATION MANUAL
Version 7.1
Страница 1: ...FUEL FLOW METERS DFM 50S7 100S7 250S7 500S7 one chamber and differential OPERATION MANUAL Version 7 1 ...
Страница 2: ... Compatibility with receiving devices 29 1 7 DFM S7 selection 30 1 7 1 Selection depending on engine power boiler output capacity 30 1 7 2 Selection depending on fuel flow rate in feed and reverse lines of the engine 31 2 DFM S7 installation 32 2 1 Exterior inspection prior to works start 32 2 2 Evaluation of the fuel consumer condition 33 2 3 General installation instructions 34 2 4 Fuel flow met...
Страница 3: ...ories 55 4 1 Mounting kits 55 4 2 Additional accessories 60 4 3 DFM DA 250 deaerator 62 5 Malfunction diagnostics 64 6 Troubleshooting 65 7 Verification 66 8 Maintenance 67 9 Packaging 68 10 Storage 69 11 Transportation 70 12 Utilization re cycling 71 Contacts 72 Annex A Overall dimensions and weight 73 Annex B Act of the fuel consumer inspection 77 Annex C Template of check test report 78 Annex D...
Страница 4: ...Revision history DFM S7 fuel flow meters Operation manual Version 1 0 Technoton 2019 4 Revision history Version Date Editor Description of changes 1 0 12 2019 OD Basic version ...
Страница 5: ...ouTube Technoton ORF 4 Website Page DUT E S7 Page GNOM S7 Page DUT E Page CANUp Page DFM Page DFM Marine DFM S7 fuel flow meters Operation manual Document Center S6 Website Part S6 Data Base Part S6 Functional modules DUT E DUT E 2Bio DUT E GSM Installation manual CAN j1939 S6 Telematics interface Operation manual Technoton Engineering Website Page DFM Industrial Page DUT E GSM Page DUT E 2Bio ...
Страница 6: ...d S6 software refer to CAN j1939 S6 Operation manual PGN Parameter Group Number is a combined group of S6 parameters which has common name and number Functional modules FM of the Unit can have input output PGNs and setup PGNs SPN Suspect Parameter Number informational unit of S6 Each SPN has determined name number extension data type and numerical value The following types of SPN exist Parameters ...
Страница 7: ... over time its value is increasing Examples of counters fuel consumption trip engine hours counter etc Telematics terminal Tracking device Telematics unit is a unit of Telematics system used for reading the signals of Vehicle standard and additional sensors getting location data and transmitting the data to the Server Telematics system complex solution for vehicle monitoring in real time and trip ...
Страница 8: ...cs terminal the display in the driver s cabin operation in the advertising mode BLE radio continuous transmission of measurement results with no need of integration with receiving devices ultra low power consumption provides completely independent flow meter operation during up to 5 years from the inbuilt battery without the external power supply recording real fuel consumption and operation time ...
Страница 9: ...View in real time Diagram of changing the hourly consumption of fuel which passes through the flow meter measurement chamber Diagrams of changing the hourly consumption of fuel passing through the Feed and Reverse measurement chambers and the diagram of changing the differential hourly fuel consumption monitor the flow meter malfunctions Monitor the state of charge of the flow meter inbuilt accumu...
Страница 10: ...w rate 250 l h increased measurement accuracy inaccuracy is 0 5 Fuel flow meter DFM 500DS7 HP wireless S7 interface max flow rate 600 l h differential higher maximum consumption rate ATTENTION It is strongly recommended to follow strictly the instructions of the present Manual when using mounting or maintaining DFM S7 The Manufacturer guarantees DFM S7 compliance with the requirements of technical...
Страница 11: ... S7 Operating principle DFM S7 has an inbuilt Bluetooth Low Energy module BLE module which due to a special data transmission algorithm enables the flow meter operation with ultra low power consumption The BLE module transmitter switches on automatically once in 5 s to transmit the current indications Such a mode of operation enables the flow meter to operate completely independently during no les...
Страница 12: ...uct wireless monitoring of fuel consumption and the time of its operation both independently and as part of the Telematics system including without using the services of the Server on all types of vehicles and tractors see figures 4 a b on different fixed objects diesel generator sets boiler equipment etc see figure 4 c a monitoring of fuel consumption and the time of vehicles and tractors operati...
Страница 13: ...s the gateway generates and transmits Onboard reports to the Telematics Server or directly to the user without using the services of the Server by e mail or in the form of SMS messages The Onboard reports contain important performance Parameters of the equipment e g instant and trip fuel consumption total fuel consumption RPMs fuel level engine operation time engine temperature oil pressure and le...
Страница 14: ...the Vehicle route and changes of fuel consumption per hour by the engine b Report on modes of the Vehicle engine operation depending on values of hourly fuel consumption c Report on fuel consumption and operation time in each Vehicle engine mode of operation Figure 5 Examples of Analytic Reports based on data from DFM S7 for the selected period of time created by ORF 4 Telematics service ...
Страница 15: ... and delivery set DFM S7 fuel flow meters Operation manual Version 1 0 Technoton 2019 15 1 2 Exterior view and delivery set 1 DFM S7 fuel flow meter 1 pc 2 Magnetic key 1 pc 3 Specification 1 pc 4 Verification certificate 1 pc Figure 6 DFM S7 delivery set 1 2 4 3 ...
Страница 16: ...Technology by all available devices within the range of the flow meter BLE module 2 Differential Dual chamber DFM 100DS7 DFM 250DS7 DFM 500DS7 models see figure 7 b measure fuel consumption as the difference of volumes of fuel flowing through the feed and reverse fuel lines of the consumer differential consumption They are installed on vehicles and tractors or on fixed equipment with up to date di...
Страница 17: ...figure 2 Available for special order one chamber meters with higher fuel consumption rate per chamber see figure 2 Table 2 Measurement range and accuracy of differential DFM DS7 flowmeters Model by size Minimum differential consumption l h Minimum flow rate per chamber l h Maximum flow rate per chamber l h Relative accuracy error not more than DFM 100DS7 5 10 100 1 3 DFM 250DS7 10 50 250 DFM 500DS...
Страница 18: ...rinciple of DFM S7 operation is based on measurement of fuel volume that passes through its measuring chamber Because of the pressure of the fuel coming to the measuring chamber through the inlet fitting the ring slides along the inner surface of the chamber and along the jumper at the same time The ring pushes the fluid inside and outside itself out to the outlet fitting see figure 9 The volume o...
Страница 19: ...of clogging of the chamber special coating of the ring ensures its durability and wear resistance measuring chamber is made of durable and lightweight zinc aluminum ZA alloy built in mud filter effectively protects the chamber from clogging Filter can be removed and cleaned without disassembling the body of the DFM S7 increased nominal bore for minimum fuel flow hydraulic resistance improved magne...
Страница 20: ...mineral oils with kinematic viscosity of 1 5 to 6 0 mm2 s cSt ATTENTION 1 All DFM S7 units are verified with diesel fuel Indicate viscosity when ordering DFM S7 for measuring different fluid type 2 When operating with fluids having kinematic viscosity over 6 0 mm2 s cSt the upper limit of DFM S7 capacity range will get lower than nominal one and the pressure drop will increase 3 DFM flow meters ar...
Страница 21: ...ressure drop at maximum flow rate nominal pressure diesel fuel at 20 C bar not more than 0 2 Wireless data transfer interface Bluetooth 4 1 Transmitter power Tx Power dBm 4 Maximum distance between flow meter and receiving device m 15 m in case there are metal partitions in the mounting location 45 m when mounted within line of sight range Data transfer interval s 5 Estimated lifetime of the flow ...
Страница 22: ...e drop in DFM S7 related to flow rate According to figure 10 pressure drop on maximum flow rate does not exceed for DFM 50S7 90S7 100S7 0 03 bar for DFM 220S7 250S7 0 04 bar for DFM 500S7 0 15 bar 0 0 02 0 04 0 06 0 08 0 1 0 12 0 14 0 16 10 40 50 80 100 120 150 170 200 250 300 400 450 500 Pressure drop bar Fuel consumption l h DFM 50 100 DFM 250 DFM500 DFM 50S7 DFM 100S7 DFM 250S7 DFM 500S7 ...
Страница 23: ...ation manual Version 1 0 Technoton 2019 23 1 6 3 Specifications of measuring chambers Table 4 Specifications of DFM S7 measuring chambers Flow meter capacity model Nominal diameter DN mm Nominal volume of the measuring chamber ml Re calibration interval l DFM 50S7 6 5 100 000 DFM 100S7 DFM 250S7 8 12 5 250 000 DFM 500S7 12 20 500 000 See 8 ...
Страница 24: ...meters Engine operation Interference The impact of constant magnetic field for more than 5 seconds Normal consumption Q0 Q Qmax Tampering Q Qmax Idle Q0 Q 2 5Qmin Optimal 2 5Qmin Q 0 75Qmax Overload 0 75Qmax Q Qmax Q instant consumption Q0 starting flow rate Qmin lower limit of the meter capacity range Qmax upper limit of the meter capacity range WARNING Operation modes boundaries of flow meters a...
Страница 25: ...l automatically exit Tampering Mode in few seconds since back to normal operation conditions 2 Interference Mode is made to protect DFM S 7 from magnetic field impact with the purpose to stop fuel counting or to tamper readings of fuel consumption When exposed to external magnetic field DFM S7 registers an attempt of Interference and as the result increment of all the counters stops and the time o...
Страница 26: ...umber Length Parameter Name 1 Flowmeter Parameters 2 PGN 63287 0xF737 1 2 bytes SPN 183 Engine Fuel Rate l h 3 1 4 bits SPN 521181 Engine Mode by Fuel Rate 4 2 bytes SPN 521027 18 0 Chamber Fuel Rate Feed chamber l h 6 2 bytes SPN 521027 18 1 Chamber Fuel Rate Reverse chamber l h 8 1 4 bits SPN 521028 18 0 Chamber Working Mode Feed chamber 8 5 4 bits SPN 521028 18 1 Chamber Working Mode Reverse ch...
Страница 27: ...el Used Feed chamber Cheating 17 4 bytes SPN 5054 18 1 9 3 High Resolution Engine Total Fuel Used Reverse chamber Cheating All Events and malfunctions of the flow meter are recorded from the moment they appear till the moment they disappear but during the time interval no less than 1 min SPN values of the flow meter output message may be calculated according to the formula 1 using attributes from ...
Страница 28: ...perature Data missing or incorrect 32 Analog to digital converter launch error 265 Calibration missing 1024 Low battery charge 10 2097152 Real time clock Clocking is off 16777216 Device operates in the manufacturing mode This value is not a sign of any flow meter malfunction it just indicates that its BLE module operates in Manufacturing mode see 2 5 1 Table 9 Digital values of Events mask of DFM ...
Страница 29: ...ces for data receiving logging and displaying which have Bluetooth 4 X and high Recommendations on wireless connection of DFM S7 to Telematics terminals can be obtained upon request at Technoton technical support service by e mail support technoton by RECOMMENDATION The best compatibility with DFM S7 wireless fuel flow meter during its operation using S7 Technology is provided by CANUp 27 Pro 3G C...
Страница 30: ...f DFM S7 model installation layout accessories and mounting kit are provided in the interactive animated video DFM fuel flow meters selection of installation layout accessories and mounting kit 1 7 1 Selection depending on engine power boiler output capacity Table 10 DFM S7 Selection depending on the engine power boiler output capacity Engine power kW Boiler output kW Recommended DFM model up to 8...
Страница 31: ... h Recommended differential fuel flow meters 10 100 DFM 100DS7 50 250 DFM 250DS7 100 500 DFM 500DS7 IMPORTANT 1 Maximum and minimum fuel flow rate values in feed and reverse lines of the engine can be found in performance specification of the engine fuel pump 2 When mounting differential DFM DS7 in the fuel system with relatively low fuel consumption but with great consumption in the feed and reve...
Страница 32: ...t of its purchase 3 When installing DFM S7 it is obligatory to follow safety rules on carrying out repair works applicable to the machinery being equipped This section contains general recommendations on DFM S7 mounting Check out DFM flow meter installation video for an example of mounting DFM on tractor 2 1 Exterior inspection prior to works start It is required to conduct DFM S7 exterior inspect...
Страница 33: ... operation for 5 10 minutes at idle and 5 10 minutes in movement under load The engine must run evenly not stall under load loss of power must not be felt 2 Check the return flow of the injectors In case of significant return flow of the injectors measurement accuracy error will get higher because this returned volume gets back to tank and is double counted by DFM Injectors maintenance is recommen...
Страница 34: ...M S7 delivery set ordered separately mounting plate purchased separately In some cases the flow meter can be mounted without the mounting plate pyrometer or contact thermometer ordered separately glycerin filled manometer ordered separately Android based device tablet or smart phone with the installed application Fuel Consumption Monitor CAUTION 1 In order to ensure the declared accuracy of measur...
Страница 35: ...differential two chamber Figure 12 DFM S7 operating position relatively to vertical and horizontal planes IMPORTANT Make sure you install fuel flow meter into fuel lines strictly according to symbols on DFM S7 body see figure 13 a one chamber b differential two chamber Figure 13 Symbols on DFM S7 body for proper installation into fuel lines ...
Страница 36: ...n connecting fuel pipes flanges and threaded connections must be clean 7 When installing only new copper sealing washers from a mounting kit have to be used 8 Rubber fuel pipes must be connected to the elements of the fuel system using drive type nipples or direct flow fittings and secured with hose clamps or with crimping coupling of necessary diameter 9 After DFM S7 installation it is necessary ...
Страница 37: ... 2 4 1 Typical diesel engine fuel system scheme The most common scheme of the fuel system of diesel engine is shown in figure 14 Figure 14 Typical fuel system scheme The low pressure fuel pump pumps significantly more fuel to the input of the high pressure fuel pump than the engine consumes in any of operation modes Excess fuel from the high pressure fuel pump and injectors flows back to the fuel ...
Страница 38: ... pressure fuel pump see figure 15 according to this scheme it is necessary to use the line between the rough filter and the low pressure fuel pump input Figure 15 DFM S7 installation on suction side before the pump scheme When injectors operate correctly their return flow is less than 0 1 of fuel consumption and therefore this can be negligible In order to prevent measuring of the fuel returns bac...
Страница 39: ...uel pump will be directed from the high pressure fuel pump output to low pressure fuel pump input Thus only the fuel that is consumed by the engine flows through the DFM S7 RECOMMENDATION One of advantages when excess fuel returns back to the tank is fuel heating in the tank Therefore when a vehicle is used in low temperature environment it is not recommended to modify the fuel system Use differen...
Страница 40: ...ved from high pressure fuel pump output to fine filter input and high pressure fuel pump output needs to be plugged For correct operation of modified fuel system a bypass valve has to be installed at the fine filter input which will support necessary constant fuel pressure at 1 1 5 bar in the line between the fine filter and high pressure fuel pump input Install a 0 1 0 35 bar non return valve at ...
Страница 41: ...9 41 Advantages of the scheme DFM S7 is installed after a regular fine filter fuel flows under pressure and doesn t overload the low pressure fuel pump return fuel flow can heat fuel in the tank Disadvantages of the scheme high pressure fuel pump cooling efficiency is slightly decreased return flow fuel temperature is lower than with a regular fuel system ...
Страница 42: ...ls on DFM DS7 body for proper installation into fuel lines see on figure 13 b Particular cases of differential DFM DS7 installation scheme 1 In fuel system with plunger injection pump feed chamber of DFM DS7 can be installed into a section after suction pump on pressure side see figure 17 a a section before suction pump on suction side In this case it is onligatory to use additional fine fuel filt...
Страница 43: ...ntial DFM DS7 installation scheme DFM S7 fuel flow meters Operation manual Version 1 0 Technoton 2019 43 b feed chamber installation before the pump in a fuel system with plunger injection pump c feed chamber installation after the pump unit injector fuel system ...
Страница 44: ...s in the fuel system installation possible for engine during warranty period Disadvantages of differential installation scheme higher cost higher fuel consumption measurement error additional fine filter and DFM DS7 increase load on the low pressure fuel pump Interactive animation video DFM fuel flow meters selection of installation layout accessories and mounting kit helps to select DFM S7 its mo...
Страница 45: ...he transfer of DFM S7 indications to the Android device is possible only after activation of the flow meter BLE module DFM S7 has the following modes of operation determined by the status of its BLE module Storage the flow meter is in this mode from the moment it is manufactured The BLE module of DFM S7 is disabled no data transmission at all Manufacturing in this mode the BLE module of DFM S7 is ...
Страница 46: ...s Wireless transfer of the flow meter indications to the Android device DFM S7 fuel flow meters Operation manual Version 1 0 Technoton 2019 46 a one chamber b differential two chamber Figure 18 Activation of DFM S7 BLE module Areas of magnetic key impact ...
Страница 47: ...C address of the BLE module 2 received signal strength indicator RSSI 3 time the latest message was received 4 To select the required flow meter from the list of accessible devices press the line containing its serial number a offer to allow the Bluetooth connection b search for available devices c selection of the flow meter to be monitored from the list of accessible devices Figure 19 Establishm...
Страница 48: ...ules FM are displayed In the Tools Panel area there are the follorwing elements for use during work with Fuel Consumption Monitor button to display the Settings Menu selection of the interface language help and software information button to select operations with the flow meter Profile name of selected FM of the flow meter icon to display the Navigation Menu selection of the flow meter FM monitor...
Страница 49: ...ind and select the Profile file DFM_S7_ prf7 is used to save the changed settings of the Profile in the Android device memory is used for loading a profile with standard settings Figure 21 View of Profile menu Fuel Consumption Monitor mobile application IMPORTANT All configuration changes made in Fuel Consumption Monitor app are not stored in the flow meter but in memory of Android device Configur...
Страница 50: ...on of fuel which went through the only measuring chamber SPN 183 for differential fuel flow meters Chart of hourly instant consumption of fuel which goes through direct chamber green line SPN 521027 18 0 and through reverse chamber SPN 521027 18 1 of the flow meter installed on direct and reverse fuel lines Additionally the result of two lines difference in volumes of fuel going through each chamb...
Страница 51: ...he display of the Android device in accordance with the list provided in table 6 To analyze the flow meter indications you may enable On field Log tab of Flowmeter FM submenu saving logging the current data of hourly instant fuel consumption and fuel temperature saving them in the log file txt The maximum number of control points displayed on the screen up to 200 The number of control points saved...
Страница 52: ...quipment are allowed to conduct the tests Install the DFM S7 fuel flow meter and connect it to recording and display devices Conduct all works in accordance with the installation manuals for fuel flow meters and recording and display devices Conditions of the test tests are conducted on properly operating fault free Vehicles Before starting the test remove air from the fuel system and warm up the ...
Страница 53: ... 2 and stop the engine 10 Move Fuel pipes 1 and 2 from Tank 1 into Tank 2 the air must not get into the hoses 11 Close inlet of injectors reverse Fuel pipe 3 and move it from Tank 1 into empty Tank 3 12 Record the initial readings of the DFM S7 according to the readings of the device for data receiving or the Android device 13 Record the time when the test was started 14 Start the engine and set m...
Страница 54: ...ine the proportion of the return flow from the injectors in overall fuel consumption for a tested vehicle by the formula 100 V V m inj return 23 Record the result into the protocol See annex C for protocol template a for one chamber flow meter b for differential flow meter Figure 24 Examples of Fuel system schemes during testing ...
Страница 55: ...ound in kits from other manufacturers No clogging and fuel system malfunction Increased nominal bore to preserve the pressure in the fuel system The engine does not lose power Made of high strength metals resistant to wear and corrosion Hot stamping and groove manufacture technology used Lifetime of the kit elements significantly increases Threaded connections of the kit elements meet the standard...
Страница 56: ... using 10 mm fuel pipe DFM MK 45B All purpose for mounting DFM 500S7 one chamber flow meters using 10 mm fuel pipe DFM MK 90B To install DFM 50S7 DFM 100S7 DFM 250S7 one chamber flow meters on D243 D245 and D260 engines using 8 mm fuel pipe DFM MK 100B To install DFM 50S7 DFM 100S7 DFM 250S7 one chamber flow meters on YaMZ KAMAZ engines using 8 mm fuel pipe DFM MK DIFF11B For mounting DFM 100DS7 a...
Страница 57: ...IFF11B DFM MK DIFF21B Banjo bolt BB 14 To couple the fuel line and the flow meter to the units of the fuel supply system of the engine high pressure fuel pump or fine fuel filter 3 3 2 2 3 8 4 Banjo bolt BB 16 1 4 Banjo bolt double BB 14 2 To couple two branches of the fuel line to the units of the fuel supply system of the engine high pressure fuel pump or fine fuel filter 1 1 1 1 Banjo fitting B...
Страница 58: ...verse fuel line through the bypass valve 1 1 1 1 Nipple adapter NA 14 20 To reverse the reverse fuel line from the fine filter via the bypass valve 1 1 1 1 Nipple adapter NA 10 14 To connect the fuel line and heater tube 1 1 1 Nipple adapter double NA 10 14 2 For joining two fuel lines with heater line 1 1 1 Nipple adapter double NA 10 16 2 For joining two fuel lines with heater line 1 Copper wash...
Страница 59: ...without prior customer notice View Component name Description Kit name DFM MK 20B DFM MK 40B DFM MK 45B DFM MK 90B DFM MK 100B DFM MK DIFF11B DFM MK DIFF21B Bolt B8x16 To mount the flow meter to the bracket 4 4 4 4 4 4 4 Nut N8 To mount the flow meter to the bracket 4 4 4 4 4 4 4 Washer W8 To mount the flow meter to the bracket 4 4 4 4 4 4 4 Lock washer WL8 65 To mount the flow meter to the bracke...
Страница 60: ...l valve To control flow separation in a semi differential scheme For 8 mm fuel pipe BV 10 For 10 mm fuel pipe TR 10 2 Double fitting To join separate fuel flows and connecting fuel hose to fuel system units For 10 mm fuel pipe K5 Flow dividing valve To separate fuel flows in semi differential DFM installation scheme 0 3 0 5 Bar M14x1 5 thread with a sealing hole KP2 DFM mounting bracket Additional...
Страница 61: ...re gauge To check pressure in fuel line before and after meter installation With adapter for a 10 mm fuel pipe PP 201 Instant fuel flow heater To heat the fuel flowing through the line 12 V up to 150 l h automatic control PP 202 24 V up to 420 l h automatic control NTP 101 Fuel tank heater To heat the fuel in the tank Attachment for the fuel intake 12 V up to 420 l h NTP 102 Attachment for the fue...
Страница 62: ...see figure 25 Figure 25 DFM DA 250 deaerator DFM DA 250 features increases flow meter accuracy decreases engine boiler malfunction possibility increases service life of the fuel system provides an effective and stable combustion of fuel improves the environmental parameters of the combustion process and reduces emissions mounting accessories included Table 16 DFM DA 250 technical specifications Pa...
Страница 63: ...moving parts of the engine or unisolated boiler parts should not be less than 30 cm Deaerator is mounted using the mounting kit elements according to figure 26 a Fuel lines are connected according to figure 26 b a fastening b fuel lines connection Figure 26 DFM DA 250 mounting Check out the interactive animation video for cases when deaerator is required as well as for examples of deaerator mounti...
Страница 64: ... malfunctions indicator of DFM S7 Signal type Signal color Signal values Green No active malfunctions detected Red Active malfunctions are detected see table 8 In case there are active malfunctions in the flow meter the malfunction name is displayed in the field Malfunctions Self diagnostics FM In case there are no active malfunctions No malfunctions message is displayed see figure 27 Figure 27 DF...
Страница 65: ...w meter connection to the Android device or Telematics units using S7 Technology Fuel filter clogging Remove and clean the fuel filter Fuel does not flow through the meter Fuel filter clogging Remove and clean the fuel filter Fuel consumption readings are higher than real consumption rate Wrong fuel flow meter model selection or error in the mounting scheme Study the technical documentation of the...
Страница 66: ... 2019 66 7 Verification At product release each DFM S7 flow meter passes departmental metrological verification on metrologically certified automated test rigs Verification certificate confirming DFM S7 metrological verification is included into delivery set of each flow meter ...
Страница 67: ...0 000 l ATTENTION Re calibration with subsequent verification of flow meters is done in Regional Service Centers RSC It is recommended to perform visual inspection and DFM S7 operation check at least once a year In order to provide DFM S7 operability it is recommended to remove and clean the mud filter from time to time see figure 28 Figure 28 Mud filter IMPORTANT When you remount DFM S7 replace u...
Страница 68: ...hape figure 29 Figure 29 DFM S7 packaging Label sticker with information on the product name certificates serial number firmware version manufacture date weight as well as Quality Control seal and QR code is stuck on two sides of the DFM S7 box see figure 30 Figure 30 DFM S7 packaging label Note Label design and contents can be modified by the Manufacturer ...
Страница 69: ...ored in dry enclosed areas DFM S7 storage is allowed only in original packaging at temperature range from 10 to 30 C and relative humidity from 45 to 75 at 25 C Do not store DFM S7 in the same room with substances that cause metal corrosion and or contain aggressive impurities DFM S7 shelf life must not exceed 24 months ...
Страница 70: ...in closed transport that provides protection for DFM S7 from mechanical damage and precipitation When transporting by air DFM S7 must be stored in heated pressurized compartments Air environment in transportation compartments should not contain acid alkaline and other aggressive impurities Shipping containers with packed DFM S7 should be sealed ...
Страница 71: ...ains harmful substances and components that are hazardous to human health and environment Battery must not be disposed of together with general domestic waste The Buyer is responsible for the disposal of battery by means of its delivery to the hazardous waste collecting center this will ensure safety for human health and environment Technoton bears no responsibility for any non compliance with the...
Страница 72: ...eration manual Version 1 0 Technoton 2019 72 Contacts Distribution technical support and service Tel fax 375 17 240 39 73 marketing technoton by support technoton by Manufacturer Zavod Flometr Tel fax 375 1771 3 29 21 office flowmeter by ...
Страница 73: ...imensions and weight DFM S7 fuel flow meters Operation manual Version 1 0 Technoton 2019 73 Annex A Overall dimensions and weight Figure A 1 DFM 50S7 DFM 100S7 overall dimensions Figure A 2 DFM 250S7 overall dimensions ...
Страница 74: ...Annex A Overall dimensions and weight DFM S7 fuel flow meters Operation manual Version 1 0 Technoton 2019 74 Figure A 3 DFM 500S7 overall dimensions Figure A 4 DFM 100DS7 overall dimensions ...
Страница 75: ...Annex A Overall dimensions and weight DFM S7 fuel flow meters Operation manual Version 1 0 Technoton 2019 75 Figure A 5 DFM 250DS7 overall dimensions Figure A 6 DFM 500DS7 overall dimensions ...
Страница 76: ...nd weight DFM S7 fuel flow meters Operation manual Version 1 0 Technoton 2019 76 Table A 1 DFM S7 weight Model Weight kg not more than DFM 50S7 DFM 100S7 0 8 DFM 250S7 1 2 DFM 500S7 1 5 DFM 100DS7 1 7 DFM 250DS7 2 4 DFM 500DS7 3 3 ...
Страница 77: ...Notes Leakage resistance of the fuel system Measurement accuracy and DFM S7 performance is not guaranteed in case of a leakage in the fuel system Fuel system repair is recommended to eliminate leaks Pressure of the fuel supply system DFM S7 performance is not guaranteed in case of an insufficient pressure in the fuel system Maintenance of the fuel pump is recommended Injectors return flow rate Inj...
Страница 78: ... 100 V V V δ m m measured Actual fuel amount from injectors reverse line inj return V liters Proportion of the return flow from the injectors in overall fuel consumption 100 V V m inj return Resume Fuel consumption measurement corresponds does not correspond to the technical specification Comments ____________________________________________________________________ ________________________________...
Страница 79: ... no guarantee that interference will not occur in a particular installation If BLE module creates harmful interference to the reception of radio or television signals what can be determined by turning BLE module on and off it is recommend for a user to try to eliminate the interference in one or more of the following ways change the direction or location of the receiving antenna increase the dista...
Страница 80: ...ent principle of DFM measuring chamber Link https www youtube com watch v RXjvwyy1zlY 3 Interactive flash animation Fuel Consumption Monitoring DFM Fuel Flow Meter Link https www youtube com watch v IOCQCNgGG7Uf 4 Interactive flash animation DFM fuel flow meter selection of mounting scheme accessories and mounting kit Link DFM fuel flow meters selection of installation layout accessories and mount...
