Benchmark R2020 Manuale utente

Operations Manual

Item: R2020 and R2024 (-E) V1.0

I. Specifications:

Speed:

R2020 Fixed 24 RPM (20RPM for 230V, 50Hz)

R2024 Adjustable from 1 to 70rpm

Max Capacity: 6 x 50ml / 20 x 15ml / 44 x

1.5-2.0ml

Dimensions: (wxdxh) 27.5x15.2x16.5cm

(10.8x6x6.5 in.)

Weight: 3lbs / 1.4kg

Electrical:

R2020 120V, 60HZ or 230V, 50Hz0.25A 5W

R2024 100 to 240V, 50-60Hz, 0.25A 5W

Operating environment: 4°C (cold room) to

65°C

Warranty: 2 years

II. Product Set-Up:

Place the rotator on a clean and stable surface.

(Ensure that there is at least 3 inches of open

space both in front of and behind the

instrument.) Plug the instrument into an

outlet of the appropriate voltage.

III. Tube Holder Installation / Exchange:

The instrument includes an assortment of tube

holders and posts.

1.5/2.0, 5, 7, 10 and 15ml Tubes:

Attach the tube holders (above) to the included

post with two arms. Press holders on ﬁrmly to

prevent them from coming loose during use.

Once pressed on ﬁrmly, attach the post to the

rotator by inserting the post into the left side

of the rotator ﬁrst and then into the main body

(right side). Once inserted, rotate the post

until it is fully installed, see below:

To adjust the angle of which the tubes rotate,

simply rotate the position of the tube holders

by hand until the desired rotational angle is

achieved.

0.5 and 50ml Tubes

Attach the large tube

holder directly to the

rotator (without posts.)

Insert the holder into

the left side of the

rotator ﬁrst and then

into the main body

(right side). Once inserted, rotate the post

until it is fully installed (similar to diagram

above).

To rotate tubes horizontally

(rolling/hybridization motion), ﬁrst attach the 2

small posts to the center of the large tube

holder. (One post has a small ﬂat that can be

inserted to correspond to the ﬂat located in

the center of the tube holder). Thread the 2

posts together by turning the post (without

ﬂat) clockwise until fully tightener. Then insert

posts into the rotator as described above.

To load test-tubes, press them ﬁrmly into the

appropriate holder. ALWAYS ensure a

balanced load across both sides of the

rotational axis. (When mixing 15 and 50ml

tubes, always load a similar quantity of tubes

on each side of the rotational axis.)

IV. Product Operation:

R2020

The speed of the R2020 is ﬁxed (not

adjustable)

Once tubes are properly loaded, press the

switch to the on position to start the rotation.

When mixing is completed, press the switch

into the oﬀ position.

R2024

Set the Rotational Speed:

The rotational speed can be selected by

pressing the up and down keys to adjust the

display to the desired speed setting (5 to

70rpm)

Choose the Mixing Mode:

The R2024 oﬀers three additional mixing

modes, Mix, Pause and Rock.

To activate, press the “Mode” key, an LED for

the activate mode is illuminated. To toggle

between modes, press the “Mode” key again.

To return to the standard rotating

mode, press the “Mode” key until all

LED indicators are oﬀ.

IV. Care and Maintenance:

No routine maintenance is required other than

to keep the unit clean. Cleaning can be done

with a damp cloth. Avoid the use of harsh

solvents.

Service and Contact: In the event that service or

technical support is required, please contact

Benchmark by phone at 1-908-769-5555 or by

email at info@benchmarkscientiﬁc.com.

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