Tanaka MPC-102A Bedienungsanleitung

Mini-Pour/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, TOKYO, JAPAN

FOREWORD

Thank you for purchasing the Mini-Pour/Cloud Point Tester Model MPC-102A/102L from

Tanaka Scientific Limited.

This instruction manual provides necessary information for using the MPC-102A/102L.

Read this manual thoroughly before use and ensure that you have understood its

contents.

This manual employs the following precautionary notation. For your safety, ensure that

you understand these precautions and heed them at all times.

! WARNING：・・・・・・・・・・

Warnings indicate a significant risk of death or serious

physical injury if the information is ignored.

! CAUTION：・・・・・・・・・・

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 under ASTM D6749 "Standard Test

Method for Pour Point of Petroleum Products (Automatic

Air Pressure Method)" and ASTM D2500 "Standard Test

Method for Cloud Point of Petroleum Products".

The product has automated test processes corresponding to those prescribed in ASTM

D6749 "Standard Test Method for Pour Point of Petroleum Products (Automatic Air

Pressure Method)" and ASTM D2500 "Standard Test Method for Cloud Point of

Petroleum Products" for the purpose of obtaining pour points and cloud points only. This

product is not to be used for any other purpose.

- 1 -

ABOUT THIS INSTRUCTION MANUAL

● This manual is intended for all operators of the MPC-102A/102L.

The reader is assumed to have sufficient knowledge of ASTM procedures and

standards as well as knowledge of the correct handling procedures for hazardous

materials.

● The content this manual is subject to change without notice due to enhancements to

the performance and functionality of the instrument.

● If this manual is lost or damaged, contact Tanaka Scientific Limited or an authorized

distributor for a replacement 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 Limited or an authorized distributor.

BEFORE USE

● Before using the product, ensure that you have read this manual thoroughly and

have understood all of the content. If you have any questions, be sure to contact

Tanaka Scientific Limited or an authorized distributor

● Keep this manual in a safe, easily accessible place.

● This product is to be used for its intended purpose only. Adhere strictly to all

procedures given in this manual.

● Ensure that you understand and abide by all warnings and cautions given in this

manual.

- 2 -

WARNINGS AND CAUTIONS FOR SAFE USE

Failure to follow all of the warnings and cautions listed below may result in

damage to the instrument and/or serious personal injury. Tanaka Scientific

Limited will not assume any responsibility for faults or accidents arising from

failure to adhere to these instructions.

Installation Environment

! Warning: The instrument must be installed on a flat, sturdy surface

to prevent the instrument from falling over.

Coolant Circulation Piping

! Caution: Ensure that each joint in the coolant circulation 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 unit will not work

correctly.

70% of ethylene glycol and 30% of distilled water mixture

will be the best for this unit.

Electrical Connection

! Warning: Observe the following instructions when handling power

cables and electric connections:

・ Do not connect or disconnect any cables or electrical

connections when the mains power is ON.

・ Do not handle any cables or electrical connections with

wet hands.

・ Be sure to use the plug to remove cables. Never use

the cord to pull a plug from an outlet.

・ Do not place heavy items on cords or cable.

- 3 -

・ Do not use force to bend any cords or cables.

・ Ensure that all electric connections (plugs, sockets,

connectors, etc.) are free of dust.

・ Keep all cables and electrical connections free of water

and other liquids.

・ Failure to adhere to the above precautions may result in

electric shock, damage to the instrument, cords and/or

cables, and/or fire due to overheating.

! Warning: Ensure that supply voltage meets the specifications of the

product. Do not turn the power on until all electric

connections are secured. Incorrect power supply

specifications or loose electric connections may damage

the instrument 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 ground wires to gas pipes, as this may

result in fire or an explosion.

Ground wires may be connected to one of the following:

・ Ground terminal of a power outlet

・ Copper bar buried 65 cm or more underground

・ Water pipes as authorized by your local water bureau

as a grounding object

Handling Precautions

! Caution: Never press the START key unless coolant is circulating

normally. Starting the unit with no coolant present may

damage the thermo-module that cools and heats the bath.

! Caution: Ensure that an approximate pour/cloud point is entered

prior to every test run. If an appropriate estimation is not

- 4 -

entered or the value entered is much greater than the

actual pour/cloud point, the testing procedure may be

prolonged or produce incorrect results.

Operational Precautions

! Warning: If the instrument makes any abnormal noises or exhibits

any abnormal behavior, stop operation immediately, turn

the power off at the mains, and contact Tanaka Scientific

Limited or an authorized distributor.

Consumables, Accessories and Replacement Parts

! 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 make any modifications or alterations to the

instrument without the approval of Tanaka Scientific

Limited.

! Warning: Do not attempt to repair the instrument yourself. In the

event that the instrument exhibits any abnormal behavior

whatsoever, contact Tanaka Scientific Limited or an

authorized distributor.

! Warning: Only Tanaka Scientific Limited service personnel or

authorized representatives are to repair or maintain the

instrument.

- 5 -

Contents

FOREWORD..................................................................................................................................0

ABOUT THIS INSTRUCTION MANUAL ........................................................................................1

BEFORE USE................................................................................................................................1

WARNINGS AND CAUTIONS FOR SAFE USE ............................................................................2

Contents.........................................................................................................................................5

1. Section Names and Functions .............................................................................................6

2. Operational Principles..........................................................................................................8

3. Installation............................................................................................................................9

3.1. Installation Site .......................................................................................................................... 9

3.2. Connection of the Coolant Circulation Device (MPC-102L Only) .................................... 10

3.3. Electric Connections (See Fig. 4 on page 12) .................................................................... 10

4. Routine Daily Inspection ....................................................................................................13

5. Prior to Testing ..................................................................................................................14

5.1. Turning the Power on ............................................................................................................. 14

5.2. Setting the Coolant Temperature (MPC-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. Starting a Test ......................................................................................................................... 20

6.2. Automatic Testing Process.................................................................................................... 20

7. Data Storage Functionality.................................................................................................27

8. Maintenance and Post-sales Servicing.............................................................................. 28

8.1. Periodic Maintenance............................................................................................................. 28

8.2. Consumables and Accessories............................................................................................. 28

8.3. Troubleshooting....................................................................................................................... 29

8.4. Period of Warranty .................................................................................................................. 29

8.5. Period of Availability of Maintenance Tools ........................................................................ 29

9. Post-delivery Notes............................................................................................................30

9.1. Long Periods of Dormancy .................................................................................................... 30

9.2. Lost Instruction Manuals ........................................................................................................ 30

9.3. Transfer .................................................................................................................................... 30

9.4. Disposal.................................................................................................................................... 30

10. Specifications.....................................................................................................................31

Product Warranty .........................................................................................................................34

- 6 -

1. Section Names and Functions

Fig. 1: General View of Model MPC-102A/102L

Main Switch: Turns the instrument on or off.

Control Panel: Keys and switches for operating the device (See Fig. 2on page 7)

Display: Displays test conditions, instrument state and test results (See Fig. 2on page

Temperature sensor: Two sensing 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 intensity of light reflected from the bottom of the

specimen cup

Detector: Compound detector assembly containing temperature, PP and CP sensors

Insulator: Prevents condensation around the detector.

Main Switch

Control Panel

Detector

Cloud Point Sensor Pour Point Sensor

(Vinyl Tube)

Temperature

Sensor

Display

Insulator

- 7 -

MODE START CHECKRESET

COOL

WARM

FUNC

TION

RUN

①

②③⑤⑦ ⑧

④⑥

⑨

⑩

⑪

Fig. 2: Model MPC-102A/102L Control Panel

① Fluorescent Display: Displays test mode, specimen temperature, pour/cloud point results

(when flashing), and Expected flow point.

② MODE Key: Changes test mode.

③ START Key: Starts testing.

④ RUN Lamp: Indicates when testing is in progress. (Green)

⑤ COOL/WARM Key: Heats the bath.

Note: the device does not provide a cooling function, only a heating function.

⑥ WARM Lamp: Indicates when heating is in progress. (Orange)

⑦ RESET Key: Immediately stops all testing and heating operations.

⑧ CHECK Key: Applies air pressure to the specimen.

⑨ FUNCTION Key: Accesses the function menu.

⑩ Left-Right Arrow Keys: Used to select menu items.

⑪ Up-Down Arrow Keys: Increment or decrement numeric values or to change the value of an item.

- 8 -

2. Operational Principles

The MPC Series employs Tanaka Scientific's unique air pressure system (certified as U.S. standard

ASTM D 6749) to detect pour points (solidification points). Air pressure is applied to the surface of a

specimen, with subsequent motion of the sample surface measured to detect sample flow.

［System Outline］

The specimen chamber and specimen surface are divided into inner and outer regions by the pressure

conducting tube. Air pressure is applied to the specimen by a pressurizing syringe connected to the

outer region, creating a pressure differential between the inner and outer surfaces of the sample. Two

outcomes are then possible.

1. Specimen flow

The pressure differential causes 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-determined pressure change, the pressure

switch is activated, indicating to the instrument that the

specimen is still flowing.

2. No specimen flow

When the specimen is not flowing, the specimen surface

levels do not change despite the pressure differential.

Thus, the pressure inside the pressure conducting tube

remains unchanged and the pressure switch is not

activated. Specimen flow is assumed to have stopped if

the pressure switch is not activated within five seconds.

<<Non-Flow (solid) detected ⇒Test completes>

Pressure rise detected

Pressure

conducting

tube

Specimen

Cup

Pressurizing

Syringe

Detector

Head

Bath

Specimen

Pressure

Switch

Pressure sensor

OFF

No pressure rise

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