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3.3 Select Test Mode

ACO-7 Asphalt version has 2 kinds of test method and 5 kinds of test mode. Each ASTM and ISO
method has each Normal mode, Special mode(Fast Search), Fire mode, Skim mode and User’s
Custom mode. Fire mode and User’s Custom mode are invalid when shipping. The test method
(ASTM or ISO) is selectable by changing DIP switch on the MAIN board. See Maintenance
Manual for ACO-7.
Press the

MODE

switch to select test mode.

Display

Method & Mode

ASTM

ASTM Normal mode (Flash point only)

ASTM

SPE

ASTM Special mode (Flash point only)

ASTM
Fire

ASTM Fire mode (Flash & Fire Point)

ASTM
SKIM

ASTM Skim mode mode

ASTM
User

ASTM User’s Custom mode

ISO

ISO Normal mode (Flash point only)

ISO
SPE

ISO Special mode (Flash point only)

ISO

Fire

ISO Fire mode (Flash & Fire Point)

ISO

SKIM

ISO Skim mode

ISO

User

ISO User’s Custom mode

3.3.1 Normal Mode

In this mode, the test proceeds until flash detection in accordance with ASTM D92 or ISO
2592(IP36).

3.3.2 Special Mode

This mode is used for measuring the approximate flash point of a sample of unknown expected
flash point. The Special mode starts the test flame application at the every 2

o

C (5

o

F )from the test

start, and thus it is different from the Normal mode.

3.3.3 Fire Mode

In this mode, the test proceeds until fire point after flash detection in accordance with ASTM D92
or ISO 2592(IP36).

3.3.4 Skim Mode

This mode is used for measuring the flash point of bitumen which forms surface film.

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Содержание ACO-7

Страница 1: ... ACO 7 Asphalt Version with Data Memory Instruction Manual Rev 5 1 100414 IMPORTANT This Manual contains important technical information as wall as safety information Read this Manual thoroughly before use and keep it for later use TANAKA SCIENTIFIC LIMITED ...

Страница 2: ...ontainment Lid of ACO 7 When Fire Containment Lid is not set in the proper place it does not operate correctly 1 To set it correctly please push the Reset Knob which is located on the right side Activated position Reset Knob Reset ...

Страница 3: ...2 2 How to check Correct position Wrong position Correct position Wrong position Slit can be seen Slit cannot be seen Hook is positioned inside of the catch Hook is positioned out of the catch ...

Страница 4: ...t Procedure in Normal mode 13 3 4 1 Setting of Expected Flash Point 13 3 4 2 Preparation of Test Cup and Sample 13 3 4 3 Test Start 13 3 4 4 Start of Ignition Source Application 14 3 4 5 Flash Detection 14 3 4 6 Completion of a Test 16 3 5 Test by Special Mode 16 3 6 Test by Fire Mode 17 3 7 Test by Skim Mode 17 4 Data Storage Function 18 5 In Case of Abnormal Operation or Trouble 19 6 Safety 19 6...

Страница 5: ...ll those who operate ACO 7 Also it is assumed that the user have knowledge of handling of dangerous goods as well as related industrial standard such as ASTM REVISIONS The contents of this Manual may be subject to change without prior notice SAFE OPERATION The following nomenclature to indicate the safety precaution have been used in this Manual WARNING Indicates a potentially hazardous situation ...

Страница 6: ...esponsibilities for damages including but not limited to property and or bodily damages associated with the alteration of Tester Maintenance Any repair on the Tester should be made by an authorized service technician appointed by Tanaka For consumable use only Tanaka genuine parts Use of This Tester for Other Purposes Use this Tester solely for its intended use of performing determination of the f...

Страница 7: ... Arm Handle MAIN Switch Dual Electric Pilots Igniter Top Thermal Insulation Flame Size Comparison Bead Temperature Sensor Fire Containment Lid Arm Panel Sheet Switch Display Test Cup Needle Valve For Test Flame Dual Electric Pilots Heater Output Indicator Flash Detector Rings Thermofus Skimmer Shaft Reset Knob Manual Fire Containment Switch ...

Страница 8: ... when you set the test cup Heater Output Indicator Blinks when the heater is turned on Dual Electric Pilots Igniter tops nichrom filaments turn on as a test starts to ignite the gas flame Stove Section Houses the electric heater assembly for specimen heating inside Thermofuse Detects blaze up of specimen Flame Size Comparison Bead Adjust the test flame to the size of this bead Fire Containment Lid...

Страница 9: ...5 START Switch Starts a test 6 COOL WARM Switch This key have only function of cool used for manual cooling 7 RESET Switch Used for stopping a test stopping a cooling and changing parameters 8 CHECK Switch Used for manually applying the ignition source or for checking fire containment lid function 9 Left Right Keys Used for moving cursor 10 Up Down Keys Used for increasing decreasing numeric figur...

Страница 10: ...to one of the following The ground terminal of the power outlet Copper wire buried at least 65cm deep in the earth Metallic water pipe line appropriate for use as electric grounding 1 Confirm the voltage of the serial number label located left side of Control Unit and your electric source 2 Connect the Control Unit and the Test Unit with Signal Connecting Cable 3 Connect the power connecting cable...

Страница 11: ...10 Fig 3 Rear View and Electric Connection Power Connecting Cable AC Power Cord Signal Connecting Cable RS 232C Connector Circuit Protector AC Outlet Gas Inlet Test Unit Control Unit ...

Страница 12: ... every morning as follows 1 Press FUNCTION key The display shows Baro set screen as illustrated in Fig 5 appears 2 If the barometric pressure is not matched to calibrated barometer calibrate barometric pressure sensor Refer ACO 7 Maintenance Manual for the calibration Fig 5 Barometric Pressure Entering Screen Fire Containment Lid function can be tested by pressing CHECK switch ACO TEMPERATURE EXP ...

Страница 13: ...er ASTM User s Custom mode ISO ISO Normal mode Flash point only ISO SPE ISO Special mode Flash point only ISO Fire ISO Fire mode Flash Fire Point ISO SKIM ISO Skim mode ISO User ISO User s Custom mode 3 3 1 Normal Mode In this mode the test proceeds until flash detection in accordance with ASTM D92 or ISO 2592 IP36 3 3 2 Special Mode This mode is used for measuring the approximate flash point of a...

Страница 14: ...Also when conductive material adheres to the insulator of electrode ring outer ring bad insulation can cause mis detection of flash Therefore keep the parts cleanly 2 When testing samples of very viscous materials and containing dissolved or free water follow Sampling section of ASTM D92 3 Fill the test cup with the sample so that the top of the meniscus of the test specimen is exactly at the fill...

Страница 15: ...flash is detected the observed flash point is corrected by barometric pressure and rounded 2 recorded flash point and then starts flashing See Fig 6 At the same time buzzer beeps intermittently for 8 seconds Furthermore the solenoid valve for gas is closed the test flame goes out and electric pilots go off and the stove section starts cooling down The COOL lamp lights up Fig 6 Flash Point is Detec...

Страница 16: ...rature at which the flash point is observed is less than 18 o C from the temperature of the first application of the test flame NG XX XX observed flash point first application appears right side of flash point See Fig 8 In this case alter the expected flash point and restart the test Fig 7 Flash Point is Detected at First Application ASTM method Fig 8 Flash Point is Detected invalid temperature IS...

Страница 17: ...nd you can start the next test When further cooling is required press the COOL switch Cooling is available for another 10 minutes 3 The temperature display flash point is held until the RESET or START switch is pressed 3 Cooling time is adjustable Also selectable do cooling or not For changing cooling time consult Tanaka authorized distributor 3 5 Test by Special Fast Search Mode This mode is used...

Страница 18: ... lid activates automatically to help putting out fire The flash point and fire point is displayed flashing alternately every 5 seconds thus concluding the test cycle 3 The operator must confirm that the fire containment lid has extinguished burning inside the cup 4 The operator press COOL switch to start the sample cooling process 5 The operator carefully reset the fire containment lid after cooli...

Страница 19: ...ly release the RESET switch and then the MODE switch The following screen will appear Fig 10 Data Recall Screen By pressing Up Down key the screen will be scrolled If needed press FUNCTION key to print out all data when optional printer is connected 4 Following data will not be stored used fire mode special mode and user custom mode flash is detected at first application flash is detected by manua...

Страница 20: ...ht 8 seconds Arm is not set in place TROUBLE ARM POSITION Beeps intermittently for eight 8 seconds Thermofuse is blown TROUBLE THERMOFUSE BLOWN Beeps big sound continuously 6 Safety 6 1 Gas Piping Gas piping inside the Test Unit is made of nylon tube outside viton tube Gas is very dangerous if it leaks Consult the Tanaka authorized distributor for periodical gas leakage check THE TESTER IS NOT EQU...

Страница 21: ...STM D92 IP 36 2 Measuring Range Ambient to 400 o C 760 o F 3 Test Modes Normal Flash Fire Spcial Fast Search Skim User s Custom 4 Display Fluorescent display tube VFD module 5 Temperature Sensor PT 100 in stainless steel sheath 6 Flash Detector Ionization Ring 7 Heater Nichrome Coil heater 800W 100V or 800W 220V 8 Ignition Source Gas ignition with automatic lighting 9 Cooling Device Forced air coo...

Страница 22: ...l Accessories Power Connecting Cable 3m Signal Connecting Cable 3m Built in Clock Board Printer BS2 80TS with connecting cable and AC adapter Changeover Unit Model CHG 7 Mercury Thermometer Holder for Calibration 17 Suggested Spares for 2 years Test Cup Assembly 1pc Igniter Top for Dual Pilots 2pcs Thermofuse pack of 5 with insulating tube 1pk Temperature Sensor 1pc Inner Detector Ring 1pc Outer D...

Страница 23: ...ual Any fault or damage arising from misuse or carelessness Any fault or damage arising from repairs or alterations unauthorized by Tanaka Scientific Limited Any fault or damage arising from falls or accidents during transportation after the initial delivery Any fault or damage arising from external causes such as fire act of God earthquake storm or flood environmental contamination or power suppl...

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