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5.4. Test Mode Selection

The instrument contains 25 preset test modes, which are combinations of test type, pressure and

detection interval (see Fig. 8).

Selecting the correct mode can be time consuming, and so the test modes that are available to

users can be customized (refer to the attached Maintenance Manual for more information).

The MODE key is used to select from the available test modes. While holding the MODE key down,

press either the left arrow or right arrow keys to cycle backwards or forwards through the available

modes.

The following preset test modes are available:

Test type

PP/CP: Simultaneous cloud point and pour point testing

: Pour point testing only

: Cloud point testing only

Pressure: Air pressure used in pour point detection

Not applicable to test type CP.

In the ascending order of pressure, the options are L, H, VH and UH.

L : For specimens such as gas oil that loses fluidity as wax precipitates

H : For specimens such as lubricants that loses fluidity as viscosity

increases

VH: Primarily for lubricants that contains additives more than a fixed

quantity.

UH: Primarily for heavy fuel oils, like bunker C (No.6 fuel oil).

Note : If the sample shows the result that higher than you expected,

please try the test again with higher pressure mode.

Detection interval: Temperature interval (

C) used in pour point detection

1.0: Detection at every 1.0

C from 15

C above the Expected pour point

2.5: Detection at every 2.5

C from 15

C above the Expected pour point

3.0: Detection at every 3.0

C from 15

C avove the Expected pour point

Cloud point detection intervals are fixed at 0.1

C* or 1.0

C in PP/CP and

CP test types. For changing interval, refer to the Maintenance Manual.

Note : CP detection of 0.1

C is applicable from firmware ver.2.2

1 PP/CP L 1.0

2  PP/CP L  2.5
3  PP/CP L  3.0
4  PP/CP H  1.0
5  PP/CP H  2.5
6  PP/CP H  3.0
7  PP

L 1.0

8 PP

L 2.5

9 PP

L 3.0

10 PP

H 1.0

11 PP

H 2.5

12 PP

H 3.0

13 PP/CP VH 1.0
14 PP/CP VH 2.5
15 PP/CP VH 3.0
16 PP/CP UH 1.0
17 PP/CP UH 2.5
18 PP/CP UH 3.0
19 PP

VH 1.0

20 PP

VH 2.5

21 PP

VH 3.0

22 PP

UH 1.0

23 PP

UH 2.5

24 PP

UH 3.0

25 CP

Fig. 8 Preset Test Modes

Содержание MPC-102A

Страница 1: ...Cloud Point Tester Model MPC 102A 102L Instruction Manual Ver 2 21 090120 Read this manual thoroughly before using the product and store in a safe place for future reference TANAKA SCIENTIFIC LTD TOK...

Страница 2: ...AUTION Cautions indicate a significant risk of physical injury or property damage if the information is ignored USES Warning Use the product only to measure pour points and cloud points as prescribed...

Страница 3: ...copy The contents of this manual have been thoroughly reviewed If any pages are missing out of order or the manual contains spelling grammatical or descriptive errors please contact Tanaka Scientific...

Страница 4: ...lation piping is securely fastened to prevent coolant leakage as this may result in instrument failure Caution Do not use methanol as cooling medium O ring of solenoid valve may have damage and the un...

Страница 5: ...and result in electric shock and or other electrical accidents Warning Ensure all ground wires are securely grounded Loose or disconnected ground wires may result in electric shock Never connect grou...

Страница 6: ...rts Caution Use only Tanaka Scientific Limited genuine consumables parts and accessories or such parts as recommended by Tanaka Scientific Limited Repairs Alterations and Maintenance Warning Do not ma...

Страница 7: ...PC 102L Only 15 5 3 Specimen Preparation 15 5 4 Test Mode Selection 17 5 5 Setting the Expected Pour Cloud Point 18 5 6 Preheating Selection 18 5 7 Entering Sample Names 18 6 Test Procedure 20 6 1 Sta...

Страница 8: ...sing elements for pour point and cloud point measurements Pour Point Sensor Detects flow changes due to changes in pressure on the surface of a specimen Cloud Point Sensor Detects changes in the inten...

Страница 9: ...when testing is in progress Green COOL WARM Key Heats the bath Note the device does not provide a cooling function only a heating function WARM Lamp Indicates when heating is in progress Orange RESET...

Страница 10: ...the specimen to flow with the surface level inside the pressure conducting tube rising principle of the U tube causing a change in pressure that is detected by the pressure sensor inside Upon a pre d...

Страница 11: ...suring and control units the dripping tray standard accessory MPC 102L only should be installed between the units The drip tray protects the control unit and electrical connections from any water leak...

Страница 12: ...side of the coolant circulation device using the standard accessory coolant circulation hose with insulation pipe Secure each connection port with a hose belt 3 3 Electric Connections See Fig 4 on pa...

Страница 13: ...ect 1 Two cables are used to connect the control unit to the test unit standard 0 6 m or optional 3 m a power cable AC line and a signal cable signal line The sockets for these cables are located on t...

Страница 14: ...utlet Coolant inlet Signal cable Power cable Power cord Coolant circulation device OUT To water tap Coolant circulation hose with insulation pipe OUT Coolant circulation device IN To water drain Coola...

Страница 15: ...ully insulated with the insulation pipe All power cords and cables are free of damage The power plug is fully inserted into the outlet The grounding cable is properly connected only applicable if usin...

Страница 16: ...cimen is to be preheating before cooling by an arrow Yes No Bath Temperature Displays the temperature of the bath before testing only Expected Pour Cloud Point The Expected pour point or cloud point e...

Страница 17: ...nstruction Manual Since the lower limit of the measuring range of the instrument depends on the coolant temperature see Table 2 ensure that you have selected the correct temperature for the specimen y...

Страница 18: ...hole in the detector around the temperature sensor see Fig 7 3 Fill the specimen cup with specimen up to the reference mark and insert into the bath 4 Insert the detector assembly into the bath verti...

Страница 19: ...ants that loses fluidity as viscosity increases VH Primarily for lubricants that contains additives more than a fixed quantity UH Primarily for heavy fuel oils like bunker C No 6 fuel oil Note If the...

Страница 20: ...val is chosen the value of the decimal place is ignored with only the integer value being of significance To avoid any confusion it is suggested that an integral value is entered in these situations I...

Страница 21: ...ng the up and down arrow keys Fig 9 Sample Name Input Screen Sample names can consist of up to six characters with characters being one of the following 59 characters Each unit is initialized to AAAAA...

Страница 22: ...our cloud point settings cannot be changed To change settings press the RESET key to abort the current test From this point testing proceeds automatically An explanation of the automatic testing proce...

Страница 23: ...e field After three seconds the current specimen temperature and EXP PP fields return to normal 6 with the bath temperature field displaying the following information depending on test mode Test mode...

Страница 24: ...LE TEMP PP CP L 1 0 Fig 11 Cloud Point Test Failure Display Test mode PP CP PHOTO SYSTEM TROUBLE No 01 Fig 12 Cloud Point Test Failure Display Test mode CP 6 2 3 Air Leak Check This step is only appli...

Страница 25: ...on attempt begins Detection is repeated at the detection interval chosen prior to testing which is shown in the test mode field Note 8 Pour point detection start temperature depends on the Expected po...

Страница 26: ...s cloud point 13 2o C in 0 1o C interval and then 14 0o C in 1 0o C interval After cloud point detection will be as follows Test mode PP CP The result flashes in the cloud point temperature field see...

Страница 27: ...buzzer sounds intermittently for 8 seconds EXP PP 25 0 CP 19 0 25 0 SAMPLE TEMP PP CP L 1 0 Fig 17 Pour Point Detection Test mode PP CP EXP PP 25 0 25 0 SAMPLE TEMP PP L 1 0 Fig 18 Pour Point Detecti...

Страница 28: ...to room temperature WARM lamp lights 11 The bath is heated quickly to a temperature of 20 C 12 and held at that temperature for 3 minutes 12 To stop the heating process press the RESET key Note that t...

Страница 29: ...d Result sets can be scrolled through by pressing the up and down arrow keys No 1 DATE 03 02 13 11 15 Sample UVWXYZ MODE PP CP L 1 0 PP 28 0 CP 10 0 No 30 DATE 02 12 12 16 24 Sample AAAAAA MODE PP UH...

Страница 30: ...s or such parts as recommended by Tanaka Scientific Limited For orders and inquiries about consumables parts and accessories for this instrument contact Tanaka Scientific Limited or an authorized dist...

Страница 31: ...pment failures will be resolved in one of three ways 1 Tanaka Scientific Limited will send a replacement part to the local distributor or directly to the customer The user or local distributor execute...

Страница 32: ...nual contact Tanaka Scientific Limited or an authorized distributor for a new copy For safety keep a copy of the address and telephone number of Tanaka Scientific Limited or an authorized distributor...

Страница 33: ...ts 100 0 C PT100 Pour Point Sensor Detection Method Changes in the specimen surface by applying fine pressure via a pressure conducting tube detected by a pressure switch micro pressure sensor Patente...

Страница 34: ...power on only 3 Computer runaway Buzzer sounding only Some kind of circuit failure is detected Data Outputs Supporting LAS RS 232C 1ch standard Remarks One additional channel available as an option pr...

Страница 35: ...pprox 450g Included Parts Connection cable 1 m Paper Roll 1 roll Clock board Mounted on the main board in the control unit Necessary for printing test dates and times when the printer is connected Coo...

Страница 36: ...in the instruction manual 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...

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