Retsch AS 300 User Manual
Operating instructions for sieving m achine
type AS300 control
Retsch GmbH, 42781 Haan, Retsch-Allee 1-5, Germany, 07/02/2012 0002
Information on these operating
instructions
The present operating instructions for the model AS300
control analytical sieving machine provide all the necessary information on the headings contained in the table
of contents.
They act as a guide for the reader(s) defined for each
topic necessary for safe use of the AS300 control in accordance with its intended purpose. Familiarity with the
applicable chapters on the part of each target group of
readers is essential for the safe and proper use of the
equipment.
The present technical documentation has been designed
for use both as a learning tool and a source of reference.
Each chapter is a self-contained unit.
These operating instructions do not contain any instructions on repairs. Should repairs ever become necessary,
please contact your supplier or talk directly to Retsch
GmbH.
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Information on these operating instructions ................ 2
Safety .......................................................................... 4
Safety instructions .................................................... 4
Warnings ................................................................. 5
Repairs ................................................................... 5
Confirmation ............................................................ 5
Technical specifications ............................................... 6
Intended use ........................................................... 6
Emissions ................................................................ 7
Maximum loading ..................................................... 7
Protection systems ................................................... 7
Equipment dimensions .............................................. 7
Base area required ................................................... 7
Transport and assembly ............................................... 8
Packaging ................................................................ 8
Transport ................................................................ 8
Temperature fluctuations........................................... 8
Intermediate storage ................................................ 8
Requirements for the assembly site ............................ 9
Assembly / transport fastening ................................... 9
Re-using the transport fasteners ................................ 9
Electrical connection ................................................. 9
Operation ..................................................................... 10
Operating elements and their use ............................... 10
Installing and tensioning the analytical sieves .............. 11
Operating the AS300 control ...................................... 12
Switching on and off ................................................. 12
Start - Interrupt - Stop ............................................. 12
Setting the time ....................................................... 12
Intermittent – continuous operation ............................ 13
Memory – saving and calling-up sieve parameters ........ 13
Vibration height in "mm" ........................................... 14
Sieve plate acceleration in "g" .................................... 14
Setting the sieve plate acceleration in "g" .................... 14
Signal tone for the end of sieving ............................... 14
Operating hours display ............................................ 15
Information on “memory” display ............................... 15
Information on sieve plate acceleration mode .............. 16
Time correction ........................................................ 17
Acceleration guidelines .............................................. 17
Retsch Analytical sieves ............................................... 18
Sieve accessories ..................................................... 18
Working instructions .................................................... 19
Sieving aids ............................................................. 19
Sieving material quantities ........................................ 19
Wet sieving .................................................................. 20
Required accessories ................................................ 20
Preparations ............................................................ 20
Operation ................................................................ 20
EasySieve ................................................................... 22
Control, evaluation, documentation. ........................... 22
Serial PC connection ................................................. 22
General ........................................................................ 23
Cleaning .................................................................. 23
Maintenance ............................................................ 23
Replacing fuses ........................................................ 23
Accessories .............................................................. 23
Copyright ................................................................ 23
Safety regulations (table) for the AS300 control from the
chapters .................................................................. 24
Changes .................................................................. 24
Parts subject to wear and tear ..................................... 25
Appendix ............................................... following pages
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Safety
We reject herewith any and all claims relating to personal
injury or material damage which results from failure to
comply with the following safety instructions.
The AS300 control is a modern, high-performance product manufactured by Retsch GmbH. It incorporates the
latest technology. It is entirely safe in operation when
used for the intended purpose and in accordance with the
present technical documentation.
Safety instructions
You, as the owner/operator must ensure that the persons
who are entrusted to work with the AS300 control:
have read and understood all the regulations contained
in the chapter on safety,
have made themselves familiar, prior to starting work,
with all the operating instructions and regulations relevant to that particular target group,
have complete, immediate and unrestricted access to the
technical documentation for this machine,
new personnel must have familiarised themselves with
the safe use of the AS300 control and its intended purpose before starting work with the machine, either
through verbal instruction by a competent person and /
or with the help of the present technical documentation.
Incorrect operation can result in injuries to persons and
damage to property. You bear the responsibility for your
own safety and that of the rest of your staff.
Ensure that no unauthorised persons have access to the
AS300 control.
As a precaution, have your staff certify in writing that
they have received instruction in the operation of the
AS300 control. A draft for such a form can be found at
the end of the chapter on safety.
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Warnings
Personal injuries
Material damage
Your local Retsch representative
Your supplier
Retsch GmbH direct
The following signs are used to warn of hazards:
Repairs
These operating instructions do not contain any repair instructions. In the interests of your own safety, repairs
should only performed by Retsch GmbH or an authorised
representative (service technician).
In this case, please notify the following:
Your address for service:
Confirmation
I have read and understood the foreword and the
chapter on safety.
__________________________________
Signature of owner/operator
__________________________________
Signature of service technician
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Technical specifications
Do not make any modifications to the machine and only use
Retsch approved spares and accessories.
The conformity to the European guidelines declared by
Retsch otherwise loses its validity.
It furthermore leads to the nullification of all warranty
claims.
Machine designation:
AS300 control
Intended use
The AS300 control has been specially designed for analytical
sieves with a diameter of 305 mm (12“) to 315mm. This makes
the available sieving area 2.5 times greater than sieves with a
200 mm diameter. The AS300 control thereby allows the average
sieving times to be shortened.
A further benefit is the very high working quantity of material
to be screened (6 kg) which can be separated in one work process. In case of frequently repeated sieve analyses made under the
same conditions, work is considerably simplified by the option of
storing up to 9 parameter combinations direct in the sieving
machine.
To ensure perfectly reproducible results, the AS300 control naturally allows the power frequency independent control drive to
be specified instead of the vibration height. All sieving parameters
are set, displayed and monitored digitally. The amplitude is regulated by a microprocessor-controlled measurement control unit
and is automatically re-adjusted if the loading or voltage changes.
The AS300 control can naturally be calibrated and can be therefore deployed as test equipment for quality control action under
DIN EN ISO 9000 ff. As with all "control" devices, the AS300 control also has an integrated interface.
The sieve can be actuated and adjusted by means of the
EasySieve® evaluation software. EasySieve® displays all sieving
parameters on the screen before and during the sieving process.
This machine is not intended as a production machine nor designed for continuous operation, but rather as laboratory equipment intended for one-shift, 8-hour per day operation.
The AS300 control is suitable for dry sieving of pourable, disperse
products with an input grain of max. 40 mm.
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Emissions
Characteristic noise values :
Noise measurement according to DIN 45635-031-01-KL3
The characteristic noise values are determined primarily by the
set amplitude width or sieve plate acceleration, the number of
sieves deployed and the nature of the material to be screened.
Example :
Sound power level LWA = 64 dB(A)
Workplace-related emission value L
= 59 dB(A)
pAeq
Operating conditions :
Material to be screened = quartz sand, grain size <1mm, 5
sieves
Amplitude width = 1.5 mm
Maximum loading
Max. quantity of material to be screened = 6 kg
max. sieve stack mass = 10 kg
Protection systems
IP54 or IP20 around the sieve carrier passage
Equipment dimensions
Height: up to approx. 850 mm, Width: 400mm, Depth : 400mm
Weight: approx. 35 kg without sieve stack and
without sieve clamping device
Base area required
400 mm x 400 mm; no safety clearances required.
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Transport and assembly
Please retain the packaging for the duration of the warranty since, in case of a complaint, returning in unsuitable packaging can jeopardize your warranty claims.
During transportation, do not subject the AS300 control
to impacts, jolts or vibrations. The electronic and mechanical components could otherwise be damaged.
In case of wide temperature fluctuations (during shipment by air, for instance), protect the AS300 control
from condensation. The electronic components could
otherwise be damaged.
Packaging
The packaging used is selected with the shipping mode in
mind. It complies with the generally applicable packaging
guidelines.
Transport
Temperature fluctuations
Intermediate storage
Ensure that the AS300 control is stored in a dry place,
including intermediate storage.
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Requirements for the assembly site
When the ambient temperature exceeds or falls below that
specified, the electrical and mechanical components may be
damaged, and performance data changed to an unknown
extent.
At a higher humidity, the electrical and mechanical components may be damaged, and performance data changed to an
unknown extent.
Assembly / transport fastening
SM
Install the AS300 only on a stable laboratory bench to avoid
unpleasant transmission of vibrations.
Undo the hex nut SM with an open-ended spanner until
the sieve disk can be moved freely
Undo the wing screws A (transport fastening) with hex
nuts
Install the appropriate sieve clamping unit
Retain wing screws A with hex nuts (transport fastening)
for transport at a later date.
Re-using the transport fasteners
Screw the hex nuts fully onto the wing screws
Screw the wing screw through the sieve disk into the
housing
Turn the hex nut downwards and tighten with an open-
ended spanner until the sieve disk can no longer move
Mechanical components can be damaged if operated with the
transport fasteners or transported without transport fasteners.
Failure to observe the values on the data plate can cause
damage to the electrical and mechanical components.
Ambient temperature :
5°C to 40°C
Humidity :
Maximum relative humidity 80% at temperatures up to 31°C,
linear decline down to 50% relative humidity at 40°C
Altitude of assembly site :
Max. 2000 m above sea level
Electrical connection
Refer to the data plate for the voltage and frequency at
which the AS300 control is to be operated.
Ensure that the values shown there correspond to those
for the local power supply.
Use the supplied power cord to connect the AS300 con-
trol to the power supply.
When plugging the power cord into the power source,
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use an external fuse corresponding to the local regulations.
Operation
A Cold device plug combination
C Fuse drawer with glass fuses
B Serial connection
D Protective cap for the serial connection
E ON / OFF switch, left bottom
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
1
PROG – button for calling preset sieving parameters P1-P9 or on and for ending pro-
gramming without storing the parameters.
2
Display memory shows the selected programme P1-P9 or on. If the AS 200 is driven by
the EasySieve® softwear programme ES appears in the display.
3
SET – button for activating the setting mode for the preselected programme positions P1P9 and for storing the parameters after programming.
4
▬ button reduces the amplitude 0.20 – 2.20mm, precision ±0.1mm, or sieve bottom
acceleration in „g“
5
Display amplitude shows the amplitude (2 x amplitude) of 0.20 – 2.20mm or sieve bottom acceleration in „g“.
6
+ button increases the amplitude, 0.20 – 2.20mm, precision ±0.1mm, or sieve bottom
acceleration in „g“.
7
▬ button reduces the interval time, 10 – 99sec.
8
Display interval shows the preselected interval time, 10 – 99sec.
9
+ button increases the interval time, 10 – 99sec.
10
Button switches interval operation ON, left LED lights up.
11
Button switchces interval operation OFF, right LED lights up.
12
▬ button reduces the sieving time, 1 – 99min.
13
Display time shows the preselected sieving time, 1 – 99min.
14
+ button increases the sieving time, 1 – 99min.
15
START button starts the sieving process and the green LED lights up.
16
STOP button stops and ends the sieving process and the red LED lights up.
Operating elements and their use
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