Drawell TG20WS is a versatile benchtop high-speed centrifuge designed for various laboratory applications in biochemistry, genetic engineering, and radioimmunology. With its powerful DC variable frequency motor, microcomputer control, and LCD display, the Drawell TG20WS offers precise speed control, accurate timing, and user-friendly operation.
Drawell TG20WS is a versatile benchtop high-speed centrifuge designed for various laboratory applications in biochemistry, genetic engineering, and radioimmunology. With its powerful DC variable frequency motor, microcomputer control, and LCD display, the Drawell TG20WS offers precise speed control, accurate timing, and user-friendly operation.
Benchtop high-speed centrifuge
TG20WS
operation instruction
Before use, Please read the operation
instruction handbook
Safety alerts and precautions:
1.Safety alerts：
1.Before use, please read the operation instruction handbook.
2.Do not use in wet, hot or dusty locations to avoid instrument
failure.
3.When the instrument is running, it must not move the instrument
and must not open the door cover of the instrument.
4.The countertop of the installation instrument should be solid and
flat, there should be no shaking phenomenon, all four rubber
machine feet should be in full contact with the countertop and
uniform force.
5.Centrifuge tube added liquid as evenly as possible, if the
difference between the addition will produce large vibration, at this
time should be stopped to check, so that the addition meets the
requirements, centrifugal test tube must be placed in even
symmetry, not singular into or asymmetrical into the rotor.
6.After each use, open the instrument door cover, allow the water
in the centrifugal cavity to evaporate, and clean the inner cavity of
the instrument. The instrument must have a reliable ground wire
when using a power supply.
2.Precautions：
1.Do not strongly collide, vibrate or re-throw the instrument to
avoid non-serviceable consequences of damage to the mechanical
or electrical parts of the instrument.
2.Do not use the instrument in wet or hot places to avoid extensive
damage to the electrical part of the instrument.
Product form picture
1
12
Benchtop high-speed centrifuges
Packing list
No.
Name
Specification
Quantity
Note
1
Host
TG20WS
1
Wooden
box
2
Rotor
24 x 1.5/2 ml
1
3
Rotor
4
Rotor
5
Test tube
1.5/2 ml
24
6
Test tube
7
Test tube
8
Accessories/tools
9
Operation
instruction
1
10
Power cord
1
11
Packing list
1
【Product Name】Centrifuge 【Model】TG20WS
【Product performance structure and composition】It consists of a
control system, Centrifugal cavity, Drive system, Rotor,
Refrigeration system (If it is a refrigerated centrifuge) and safety
protection.
【Scope of application】This product is suitable for use by trained
professional operators and technicians.
【Taboo 】It is taboo to use without professional operators or
personnel without relevant operational qualifications.
【Precautions】See above.
【Alerts and suggestive content】Stop prompts
【Operating instructions】See below
【Label, packaging identification sample 】Please read the
instructions
【Storage conditions/methods】
Rooms with ventilation/drying/light avoidance/non-corrosive
gases should be stored.
2
11
1. Overview
This manual adapts to TG20WS benchtop high-speed
centrifuges can be widely used in biochemistry, genetic
engineering, Radioimmunology and other fields, is an ideal
experimental instrument for research institutes. This machine uses
DC variable frequency motor, microcomputer control, liquid
crystal display, lift speed, low noise, small vibration, electronic
door lock safe and reliable. (See Table 1/Table 2 for major
technical performance)
Table 1: Technical parameters
Wiring diagram
Model
TG20WS
Max. Speed
20000 rpm
Max. RCF
28948 xg
Max. Capacity
4 x 100 ml
Speed Accuracy
± 10 rpm
Presentation
LCD
Timer Range
1sec ~ 99min59sec
Motor
AC frequency conversion
Power Supply
AC110 V 60 Hz 10A
Full Power
450 W
Noise
≤65 db
Dimensions(LxDxH)
17.7 x 15 x 13 in / 450 x 380 x 330 mm
Weight(w/o rotor)
69.9 lb / 31.7 kg
3
10
the fault display.
E-1：Imbalance E-2：Overspeed E-3：Door
E-4：Speed-hall error E-5：Overvoltage (during shutdown)
E-6: Overcurrent E-7: No speed measured
E-8: Communication
E-9: The external input power supply fluctuates too much
E-10: Temperature sensor
Table 2: Instrument rotor parameters
Number
Name
Max. Speed
Max. RCF
Capacity
Tube
Size(mm)
NO.1
Fixed angle
rotor
20000 r/min
28948 xg
12 x 1.5/2 ml
Φ10 x 42
NO.2
15000 r/min
22600 xg
24 x 1.5/2 ml
Φ10 x 42
NO.3
13000 r/min
17930 xg
48 x 1.5/2 ml
Φ10 x 42
NO.4
14500 r/min
121807 xg
48 x 0.2/0.5 ml
Φ8 x 33
NO.5
15000 r/min
13856 xg
3 x 8 x 0.2 ml
(PCR)
Φ6 x 22
NO.6
14000 r/min
12826 xg
6 x 8 x 0.2 ml
(PCR)
Φ6 x 22
NO.7
15000 r/min
19350 xg
10 x 5 ml
Φ14 x 54
NO.8
15000 r/min
22680 xg
12 x 10 ml
Φ16 x 87
NO.9
15000 r/min
22680 xg
8 x 15 ml
Φ16 x 118
NO.10
15000 r/min
22680 xg
8 x 20 ml
Φ22 x 104
NO.11
14000 r/min
19060 xg
6 x 30 ml
Φ25 x 94
NO.12
13500 r/min
18950 xg
4 x 50 ml
Φ29 x 106
NO.13
13000 r/min
18840 xg
6 x 50 ml
Φ29 x 106
NO.14
12000 r/min
15635 xg
4 x 100 ml
Φ37 x 124
NO.15
12000 r/min
15869 xg
24 capillary tubes
Φ4 x 100
NO.16
Microplate
swinging
bucket rotor
4000 r/min
2310 xg
2 x 48 holes
9
4
2.Installed
A.The native power supply is a single-phase AC110V 60Hz 15A.
B.The power supply should have a safe and reliable wire, strictly
prohibit the ground wire instead of zero line, not to pull the
machine wire indiscriminately.
C.The placement of the site indoor environment non-corrosive gas
relative humidity shall not be greater than 85%, there should be no
other strong vibration source. Thet table surface of the unit should
be rigid and hard enough to support the instrument, the countertop
should be flat without any slope, so that the four rubber soles of the
machine and the table to maintain smooth contact.
3.Introduction to the interface and instructions for use:
1.The centrifuge placed on a solid countertop, four rubber machine
feet should be in good contact with the table surface, shake the
centrifuge with your hand, check whether the centrifuge is placed
smoothly.
2.Open the door cover, the centrifuge tube into the rotor test tube
hole, centrifuge tube must be placed in even symmetry (high-speed
centrifuge centrifuge test fluid should be weighed to join), pay
attention to the rotor cover tight, and re-check whether the test tube
is symmetrically placed, screws are tight.
3.Close the door cover, pay attention to make the door cover
locked, finished by hand to check whether the door cover is closed.
Plug in the power supply and press the power switch.
4.Set speed, temperature, time, rotor number, program, speed-up
gear, speed-down gear: (operator panel diagram below)
can be raised) otherwise long time on the shaft, may rust to death,
the rotor will not be taken out and cause the centrifuge machine
scrap.
6.The life of the native host 6 years, rotor service life of 5 years,
expired should replace the rotor. All rotors must not be used at
more than their maximum speed.
5.Troubleshooting/warranty coverage
Common troubleshooting methods:
Common failures
Possible reason
Elimination
method
Power on, the
display window is
not lit
No 110V power supply
Check power
supply
Fuse is broken
Replacement
Power plug-in is loose
Plug in
Press the start
button centrifuge
does not operate
Door cover is not closed
Close the door
cover
Wiring plug-in is loose
Plug in
Control board is damaged
Replacement
Motor has electricity does not
turn, the motor is damaged
Replace the
motor
Centrifuges
vibrate a lot
Centrifuge tube is not placed
symmetrically
Check
Centrifuge tube is broken
Replacement
Rotor is not rotating
Check
When the centrifuge fails, check the fault condition corresponding
to the fault number and resolve the failure of the centrifuge
5
8
according to the actual situation. Press the stop button to eliminate
When there is only one rotor, the rotor number adjustment is
skipped and the room temperature interface skips the temperature
adjustment. Press the up and down key to adjust the parameter
value, adjust the parameter to the expected value, press the
confirmation key to exit the set state and save the modified
parameters.
When the above steps are complete, press the "Confirm" key to
confirm the speed, temperature and time set above, and then press
the "Start" key to start the centrifuge (when pressing the "Start"
key, if the instrument cannot start, check that the door cover is
closed).
4.Precautions：
1.The table of the centrifuge should be flat, four rubber machine
feet should be in contact with the table and uniform force, so as not
to produce vibration.
2.Centrifuge tube liquid should weigh the balance, if the difference
between the addition of liquid too large operation will produce
large vibration, at this time should be stopped to check, so that the
addition meets the requirements, centrifugal test tube must be
placed in even symmetry.
3.If there is a centrifugal test tube rupture, will cause large
vibration should be immediately stopped treatment.
4.After each shutdown and then power on the interval should not
be less than 5 minutes, so as not to block the compressor to turn
damage.
5.After each centrifuge is completed, open the instrument door
cover, let the water evaporate, and regularly take out the rotor,
(unscrew the rotor cover, with a handle into the rotor center hole
Introduction to keystrokes：
Set: Switch adjustment parameters, this key is set for switching
adjustment speed, time, speed etc.
Up: Increase hypothesis parameter value; This pressed key
adjustment rotational speed value and time value establishment.
Down: Reduce the set parameter value, this button adjusts the
speed value and time value setting.
Enter: Exit the set state and save the setting parameters.
Short：Press this key centrifuge to start centrifugation, relax and
stop working.
Start: Start the motor, (press this key to start the centrifuge after
setting all parameters).
Stop/Open: Eliminate alarm when alarm, operating status press
can stop midway standby state open cover.
Parameter set:
Press the setting key to cycle through the set parameters, the
parameters set the cycle order (number of keys): 1: speed; 2: time
minutes; 3: time seconds; 4: rotor number; 5: program number; 6:
speed upshift (Larger the number, Faster the speed), 7: the lower
speed (Larger the number, Faster the descent)
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Drawell TG20WS is a versatile benchtop high-speed centrifuge designed for various laboratory applications in biochemistry, genetic engineering, and radioimmunology. With its powerful DC variable frequency motor, microcomputer control, and LCD display, the Drawell TG20WS offers precise speed control, accurate timing, and user-friendly operation.
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