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© C&A Scientific

XCM12 Mini-Centrifuge

Multi-speed Digital User Manual

v. 1.0

Kam

MDD_Stamp


© C&A Scientific i

Disclaimer

C & A Scientific owns the copyright of this user manual. No person shall reprint or distribute the

contents of this user manual, including pictures, drawings, and related audio and video

products.

C & A Scientific has no obligation and responsibility for any damages caused by users who do

not follow the operating instructions, safety precautions, and maintenance recommendations

of this user manual.

C & A Scientific has the right to modify the contents of the “Operating instructions” section at

any time without notice.


© C&A Scientific ii

Table of Contents

1 Introduction .................................................................................................................................. 1-1

1.1 Packing list ......................................................................................................................................... 1-1

1.2 Product components ......................................................................................................................... 1-2

1.3 Product inspection ............................................................................................................................ 1-3

1.4 Technical specifications ..................................................................................................................... 1-6

2 Safety and operating environment ................................................................................................. 2-7

2.1 Safety precautions ............................................................................................................................ 2-7

2.2 Operating environment..................................................................................................................... 2-7

3 Operating instructions ................................................................................................................... 3-8

3.1 Power ................................................................................................................................................ 3-8

3.2 Rotors ................................................................................................................................................ 3-8

3.3 Tubes ................................................................................................................................................. 3-9

Tube preparation .............................................................................................................................. 3-9

Load tubes ........................................................................................................................................ 3-9

3.4 Start ................................................................................................................................................. 3-10

Select speed and time ..................................................................................................................... 3-10

Calculate centrifugal force .............................................................................................................. 3-11

3.5 Stop ................................................................................................................................................. 3-11

4 Cleaning, storage, and maintenance ............................................................................................ 4-11

4.1 Cleaning ........................................................................................................................................... 4-11

Remove and clean rotor ................................................................................................................. 4-12

4.2 Storage ............................................................................................................................................ 4-12

4.3 Maintenance ................................................................................................................................... 4-13

Repair and maintenance record ..................................................................................................... 4-13

5 Troubleshooting and support ....................................................................................................... 5-14

5.1 Troubleshooting .............................................................................................................................. 5-14

5.2 Support ............................................................................................................................................ 5-14

6 Warranty .................................................................................................................................... 6-15

6.1 Warranty Scope ............................................................................................................................... 6-15

7 Quality Certificate ....................................................................................................................... 7-16

8 Product Certificate ...................................................................................................................... 8-17


© C&A Scientific 1-1

1 Introduction

The XCM12 Mini-Centrifuge adopts international advanced design and manufacturing

technology, featuring a compact structure and simple operation. This tabletop centrifuge is

suitable for the following purposes:

• Microtubule filtration

• Fast centrifugation

• Micro blood cell separation

• Microbial sample processing

• Experimental partition centrifugal of PCR

Important: Before first use, read this manual for operating, safety, and other

instructions and information.

1.1 Packing list

Item Description Quantity Note

1 Centrifuge 1

2 Power cord 1 AC100-250V/50/60Hz

3 Rotors 5

1 piece each:

• 1.5/2.2 ml x 12 + PCR 2 ml x 8 x 4 rows

• Angle PCR rotor 2 ml x 12 x 4 rows

• Angle rotor 5 ml x 4

• Angle hematocrit rotor 40 mm x 12 (written hematocrit x 12)

• Angle 5.1/ 8.1 ml x 4

4 Adapters 28

1.5ml (1 package of 4)



5 Warranty 1 12 months from day of receipt

6 Certificates 1

1 each:

Quality certificate

Product certificate

7 Operating instructions 2

1 each:

User Manual

Quick Start Guide

Packing Staff: _____________________ Inspector: ________________________

Date: ___________ Date: ___________



1.2 Product components Figure 1

Unit (Centrifuge)

1. Cover

2. Upper chassis

3. Rotor

4. LCD display

5. Base chassis

6. Foot

7. Latch

Figure 2 Cover

8. Cover tab

Figure 3 Power button and plug (back of unit)

9. Power button

10. AC100-250V/50/60Hz power plug



Figure 4 LCD display

1. Menu (used for changing

speed and time)

2. Speed display (x 10rpm)

3. Increase button

4. Cover open indicator

5. Time display

6. Decrease button

7. Start/Stop button

8. Operation indicator

9. Cover closed indicator

10. Time unit

1.3 Product inspection After opening the packaging, immediately inspect the unit and accessories for any

manufacturer defects or damage during shipping. If the unit is not the model you ordered or is

somehow not consistent with your order, immediately contact C & A Scientific.

Do the following:

• Remove all packing materials

• Ensure the exterior of the unit has no clear damage

• Pull the cover tab on the cover to open it. Ensure the cover opens easily with no

abnormal sound.

• Ensure the rotor is vertical and fits tightly on the motor shaft.

• Ensure the Power button and Power Plug are firmly fixed on the back of the unit. If

either is loose, do not use the unit and immediately contact C & A Scientific.

If the unit and accessories pass your inspection, the machine is safe for use.

Before use, read all



Category Specification

Environment of use

• Clean, dry, and ventilated

• Altitude: ≤2000m

• Relative humidity: ≤80%

Electric Source Input AC230V 50HZ/60HZ

Ambient Temperature +5°C~-40°C

Display LED display

Time 1 Hr 59 min 59 sec

Speed [r／min.] 4000r/min

Maximum relative centrifugal force

3040 X g

Max tube length 40mm X 135mm

Max capacity 50mL X 4

Unit dimensions 23 X 18 X 14

Unit weight 66 pounds

Carton dimensions 25 X 21 X 17

Carton weight 76 pounds

Noise ≤65dB(A)

Recommended Temperature/Humidity

40-105°F/80%

Test Value EN 61010-1，EN 61010-2-020，EN 61326-1，EN 61010-3-2/A2

Rotors

Rotor Capacity

(ml x tube) Speed (r/min)

RCF (x g)

Tube

#1Square rotor

1.5/2.2 ml × 12 + PCR 0.2 ml ×

8 × 4 rows 12000 9500

PP Conical w/cover

#2 Angle PCR

PCR 0.2 ml × 12 × 4 rows

12000 5960 PP Conical

w/cover

#3 Angle 5 ml × 4 12000 9660 PP Conical

w/cover

#4 Angle Hematocrit ×12 12000 8371 D 1.5 mm × 40

#5 Angle 5/1.8/1.1 ml × 4 7000 3180 PP Screw w/stand



Safety and operating environment and Operating instructions.

If the unit and accessories did not pass inspection or you are missing parts or accessories,

contact C & A Scientific.

Do not attempt repair without professional guidance from the manufacturer or C & A

Scientific!



1.4 Technical specifications

Category Specification

Environment of use

• Clean, dry, and ventilated

• Altitude: ≤2000m

• Relative humidity: ≤80%

Electric Source Input AC230V 50HZ/60HZ

Ambient Temperature +5°C~-40°C

Display LED display

Time 1 Hr 59 min 59 sec

Speed [r／min.] 4000r/min

Maximum relative centrifugal force

3040 X g

Max tube length 40mm X 135mm

Max capacity 50mL X 4

Unit dimensions 23 X 18 X 14

Unit weight 66 pounds

Carton dimensions 25 X 21 X 17

Carton weight 76 pounds

Noise ≤65dB(A)

Recommended Temperature/Humidity

40-105°F/80%

Test Value EN 61010-1，EN 61010-2-020，EN 61326-1，EN 61010-3-2/A2

Rotors

Rotor Capacity

(ml x tube) Speed (r/min)

RCF (x g)

Tube

#1Square rotor

1.5/2.2 ml × 12 + PCR 0.2 ml ×

8 × 4 rows 12000 9500

PP Conical w/cover

#2 Angle PCR

PCR 0.2 ml × 12 × 4 rows

12000 5960 PP Conical

w/cover

#3 Angle 5 ml × 4 12000 9660 PP Conical

w/cover

#4 Angle Hematocrit ×12 12000 8371 D 1.5 mm × 40

#5 Angle 5/1.8/1.1 ml × 4 7000 3180 PP Screw w/stand



2 Safety and operating environment

Before first use, read this manual for operating, safety, and other instructions and

information.

Neglect of safety and environmental operation procedures, laws, regulations, and other

governing rules and guidelines of the country and the locality of the installation can cause harm

to personnel, the unit, and the environment. To avoid damage to surrounding objects,

personnel, and environments, comply with all safety and operating environment instructions in

this user manual.

• The use of the following materials is prohibited with the unit:

• Flammable and explosive materials

• Strong chemicals

• Toxic or radioactive substances

• Pathogenic microorganisms

• Use C & A Scientific accessories. C & A Scientific is not responsible for damage

caused by use of accessories from other suppliers.

• Only authorized personnel using appropriate tools may repair the unit. Failure to

comply will void the warranty.

2.1 Safety precautions

It is strictly prohibited to:

• Plug in or unplug the power cord while the Power button is ON

• Plug in or unplug the power cord and switch the power ON or OFF with wet hands

• Scrub the instrument and clean the machine while the Power button is ON

Danger! High Voltage! The risk of electric shock!

• Operate with samples greater than 70% capacity of each test tube

• Place the unit on an unstable surface

• Use a hand or other object to stop the motor

2.2 Operating environment

The unit must be used:

• Indoors only and away from water sources

• In a room fitted with adequate ventilation



• At an altitude of 7,000 feet (2,100 meters) or less

• At a working environmental temperature range of +41 to +104°F (+5 to +40℃)

• With a relative humidity of 80% or less

Keep the unit away from:

• Vibration and air flow that may influence performance

• Conductive dust, explosive gas, and corrosive gases in the ambient air

These factors may damage the centrifuge:

• Strong chemicals

• Environmental impacts, including natural ultraviolet radiation

• Wear and tear or corrosion of the parts of the protective cover and other

components

3 Operating instructions

3.1 Power 1. Plug the Power cord into the power supply.

Danger! High Voltage! The risk of electric shock!

2. On the back of the unit, switch the Power button ON.

Figure 5

3.2 Rotors 1. Pull the Cover tab to open the cover. 2. Align the center of the rotor (A) with the shaft (B), as shown in Figure 6, and press down

until it clicks, indicating that the rotor is locked.



Figure 6

3. Grasp the rotor and gently lift it upward to verify it locked.

For information about removing the rotor, see Remove and clean rotor.

3.3 Tubes

Tube preparation

Ensure that:

• You use 0.2ml, 0.5ml, or 1.5ml sized tubes. If you have different sized tubes, use the adapters to ensure a secure fit in the rotor.

• Each tube has an equal amount of liquid by weight

• Each tube contains 70% or less of the tube’s capacity. Do not fill tubes to capacity.

• You have an even number of tubes. This enables proper rotor balance.

If your sample matter does not fill each tube (you have an odd number of tubes), place a comparable substance (by weight) in a tube to create an even number of tubes.

Load tubes

1. Load filled tubes and any adapters into the rotor slots, ensuring that the rotor is symmetrically balanced with tubes. Note: When using the PCR rotor, all slots must be filled.



3.4 Start Important: Carbon deposits may have settled during shipping, which can cause

friction and vibration when running. When using the unit for the first time, run it

without tubes for 2-3 minutes on low speed to adjust and stop any vibration.

1. Close the cover until you hear a click.

The centrifuge will not operate unless the cover is closed.

Note: If the cover opens while running, the spinning slows and the E3 error displays.

Select speed and time

Figure 7

1. Press the Menu button. The Speed display flashes.

2. To change the speed, press the Increase or Decrease buttons. Pause to save the setting.

For information about calculating centrifugal force, see Calculate centrifugal force.

3. Press the Menu button. The Time display flashes.

4. Optionally, to change the time unit from minutes to seconds, when the time is set at 1

minute, press the Decrease button. Pause to save the setting.

5. To change the time, do one of the following:

Note: You can select from 1 to 59 seconds or 1 to 99 minutes.

• If you changed the time unit, press the Menu button again, then press the Increase

or Decrease buttons. Pause to save the setting.

• If you did not change the time unit, press the Increase or Decrease buttons. Pause to

save the setting.

6. Press the Start/Stop button.

Note: You cannot change the speed selection while the cycle is running.



Calculate centrifugal force

Relative centrifugal force is used to measure the efficiency of a variety of instrument separation

or precipitation. The calculation of centrifugal force involves centrifugal speed and centrifugal

radius. The centrifugal force setting should consider the radius of the rotor and the shape of the

centrifugal container. based on the following equation:

RCF = 11.18 × (n/1000) ² × r

r is the centrifugal radius; unit is in centimeters

n is the centrifugal speed; unit is in RPM (revolutions per minute)

3.5 Stop 1. Press the Start/Stop button but do NOT open the cover.

The unit will stop spinning in a few seconds.

Do not use your hand or other objects to stop the motor!

2. After the unit has stopped spinning, pull the Cover tab and lift the cover.

3. On the back of the unit, switch the Power button off.

4. Remove all tubes.

5. Clean the unit and accessories if this is the last use of the day.

6. Close the cover when in storage.

4 Cleaning, storage, and maintenance

Frequent and proper cleaning will help ensure a long product lifespan.

If you plan to return the unit or accessories to C & A Scientific or if professional maintenance is

required, before returning it, you must ensure all equipment is properly cleaned and cannot

cause harm to the human body.

When performing maintenance or cleaning the centrifuge, ensure the power is

switched OFF or the unit is unplugged.

4.1 Cleaning Weekly exterior and rotor cleaning is usually sufficient. However, clean immediately after use if

using chemicals for techniques such as extraction, separation, purification or other cell

degradation techniques. If the equipment or accessory is polluted with pathogenic, toxic, or

radioactive substances, proper cleaning is your responsibility. Consult your laboratory's

biosafety guidelines for further instruction.



If the unit requires cleaning and decontamination not mentioned in this user manual,

follow your laboratory’s cleaning and safety guidelines.

1. Carefully wipe the surface of the unit using a soft cloth with a neutral detergent. Remove

the detergent residue with a clean, damp cloth.

Do not use:

• Organic solvents: They can break down the motor bearing's lubricating oil. Do not

let liquid, especially organic solvents, touch the motor spindle and inner bearing ball.

• Sharp instruments: They can scratch the unit or cause injury.

Remove and clean rotor

1. Place thumbs on each side of the rotor snaps and press inward, as shown in Figure 8.

Figure 8

2. Grip the rotor firmly and lift vertically to remove it from the shaft.

Do not wiggle the rotor from side to side or use strong force as this may damage

the rotor, shaft, and motor. Handle the rotor with care to prevent damage.

3. To clean, use a moistened sponge or cotton cloth with a neutral, non-abrasive detergent, then wash with distilled water. Do not sprinkle or spray the rotor with water as liquid may remain and cause corrosion.

4. After cleaning, dry the rotor upside down on a clean surface.

4.2 Storage When in storage, ensure the unit is powered OFF or unplugged. Store the rotors and

accessories in the bag that shipped with the unit. To prevent dust and other contamination,

ensure the unit is properly cleaned, the cover is closed, and you place the unit in the bag that

shipped with it.



4.3 Maintenance

When performing maintenance or cleaning the centrifuge, ensure the power is

switched OFF or the unit is unplugged.

• Check the rotor on a regular basis for corrosion, pits, grooves, and small cracks. If found, discontinue use of the rotor and contact C & A Scientific.

• Ensure the cover opens and closes smoothly.

• If a major problem occurs, such as the unit does not operate properly with the power supply, a burnt smell emerges from inside the machine, a rotor breaks, or the unit shakes violently while running, immediately discontinue use and contact C & A Scientific.

Do not attempt repair without the guidance of an authorized professional!

Repair and maintenance record

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5 Troubleshooting and support

The table below list causes and solutions for commonly known issues. Contact C & A Scientific if you still cannot resolve an issue after troubleshooting. If an issue occurs, turn the power off, unplug the unit, troubleshoot, and then start the unit again.

5.1 Troubleshooting

Issue Causes and Solutions

Does not spin

• Check the AC100-250V/50/60Hz power plug and power cord for damage

• Ensure your power outlet is functioning

• Ensure the Power button can turn ON and OFF

Sudden stop during

operation

• The lid opened. Close the lid before starting the operation again.

• Power supply connection issue.

• Motor overheated or overloaded; turn the power off and wait 10-20

minutes to restart

• If there is a burning smell, immediately unplug the power supply and

contact C & A Scientific

• Voltage range might be excessive; check that the supply voltage is in

accordance with provisions of AC100-250V/50/60Hz

LCD display does not

light

• Not connected to the power supply: check the Power plug, Power cord,

and the power connection

• Press the Menu button and Increase and Decrease buttons to test each

display area

Button not responding • Contact C & A Scientific

Not listed here • Contact C & A Scientific

5.2 Support C & A Scientific

Service and support contact (U.S.): [email protected] or (703) 330-1413

If you plan to return the unit or accessories, you must ensure all equipment is properly

sanitized and cannot cause harm to the human body.

mailto:[email protected]

Kam

New Stamp

Kam

New Stamp



6 Warranty

The warranty period begins upon your receipt of the product and expires 12 months after the

day of receipt. In the warranty period, if the product fails, contact C & A Scientific. If failure is

due to a faulty part or manufacturing defect, the product will be repaired or replaced. If failure

is due to improper use, repair or replacement is not the responsibility of C & A Scientific.

Damage to the housing (outside plastic dome or rotors) is not covered under warranty.

After the warranty period expires, C & A Scientific is not responsible for the cost of any repair or

replacement. After the warranty period expires, you may still request repair from the

manufacturer or C & A Scientific at your own expense.

6.1 Warranty Scope • The user must operate and maintain the product according to the requirements and

instruction presented in this user manual.

• Modification, adjustments (including changes in electrical components), and other

changes from the intended design may only be conducted by the manufacturer or C & A

Scientific.

• In the event you do not meet the above requirements, any damage caused by misuse

will be repaired by the manufacturer or C & A Scientific at your expense.

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