Retsch AS200 User manual

Retsch GmbH , 42781 Haan , Rheinische Str.36 , Germany Doc.Nr. E98.014-016.9999 A
Operating Instructions - AS200 Analytical Sieve Shakers

21.11.2001 Retsch GmbH 2 Doc. No E98.014-016.9999 A
Information on these operating instructions
The present operating instructions for the model AS200
analytical sieve shaker provide all the necessary
information on the topics mentioned in the table of
contents.
These instructions will guide the reader to each topic
necessary for safe use of the AS200, in accordance with
the purpose for which the unit is intended. Familiarity
with the applicable chapters is essential to safe and
proper use of the equipment.
The present technical documentation has been designed
for use both as a learning tool and a reference source.
Each of the chapters represents a self-contained unit.
These operating instructions do not contain any
information on repairs. If repairs should ever become
necessary, kindly contact your supplier or the Retsch
GmbH.

21.11.2001 Retsch GmbH 3 Doc. No E98.014-016.9999 A
Information on these operating instructions ..............................................................2
Safety......................................................................................................................... 4
Safety notes .............................................................................................................4
Warnings ..................................................................................................................5
Repairs.....................................................................................................................5
Confirmation .............................................................................................................5
Technical specifications.............................................................................................. 6
Utilization in accordance with the intended purpose ........................................................6
Emissions .................................................................................................................6
Electrical protection class ............................................................................................6
Equipment dimensions................................................................................................6
Footprint ..................................................................................................................6
Shipping and installation............................................................................................ 7
Packing ....................................................................................................................7
Shipping...................................................................................................................7
Intermediate storage .................................................................................................7
Standard equipment ..................................................................................................7
Requirements for the installation site............................................................................8
Installation / Shipping nuts .........................................................................................8
Reusing the shipping nuts ......................................................................................... 8
Electrical connection...................................................................................................9
Operation ................................................................................................................. 10
Control elements and their use ..................................................................................10
The operating controls and their functions...................................................................11
Summary table........................................................................................................ 11
The operating controls and their functions...................................................................12
Summary table, part 2 ............................................................................................. 12
Installing and fixing the analytical sieves.....................................................................13
Operation for the AS200 control ................................................................................15
Switching on and off.................................................................................................15
Start - Interrupt - Stop.............................................................................................15
Signal at conclusion of sieving ...................................................................................16
Intermittent – Continuous operation........................................................................... 16
Vibration height....................................................................................................... 17
Setting the time ......................................................................................................18
Serial PC port..........................................................................................................18
Making the connection: ............................................................................................18
Software ................................................................................................................18
Operation for the AS200 digit ....................................................................................19
Switching on and off.................................................................................................19
Start - Interrupt - Stop.............................................................................................19
Intermittent - Continuous operation ...........................................................................20
Vibration height....................................................................................................... 20
Setting the time ......................................................................................................21
Operation for the AS200 basic ...................................................................................22
Switching on and off.................................................................................................22
Start - Stop ...........................................................................................................22
Vibration height....................................................................................................... 22
Setting the time ......................................................................................................23
Replacing the fuses – All AS200 models ......................................................................23
Working instructions ................................................................................................ 24
Supplementary mass................................................................................................24
Sieving aids ............................................................................................................24
Retsch analytical sieves ............................................................................................ 24
Quantity of product to be sieved ................................................................................25
Distribution of the sieved product...............................................................................26
Amplitudes as funktion of loaded weight .....................................................................27
Explanations of the loading charts ........................................................................... 29
Example 1 : ............................................................................................................ 29
Example 2 : ............................................................................................................ 30
Example 3 : ............................................................................................................ 30
Wet sieving .............................................................................................................. 31
Required accessories ................................................................................................31
Preparations ...........................................................................................................31
Operation ...............................................................................................................31
General .................................................................................................................... 33
Accessories ............................................................................................................. 33
Cleaning ................................................................................................................. 34
Maintenance ...........................................................................................................34
Copyright ...............................................................................................................34
Modifications ...........................................................................................................34
Safety regulations for the AS200 ...............................................................................35
Extract from the individual chapters ...........................................................................35
Warranty Conditions................................................................................................. 36

21.11.2001 Retsch GmbH 4 Doc. No E98.014-016.9999 A
Safety
Target group: Everyone who deals with the
machine in any manner
whatsoever.
The AS200 is a modern, high-performance product
manufactured by the 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 notes
You, as the owner/operator, must ensure that persons
who are entrusted with the operation of the AS200.
* have read and understood all the regulations included in the
chapter on safety,
* have made themselves familiar, prior to starting work, with all
the operating instructions and regulations for the target groups
relevant to them,
* have complete, immediate and unrestricted access to the
technical documentation for this machine,
* new personnel shall have been made familiar with safe and
appropriate use of the AS200 before starting work with the
machine, through instruction by a qualified 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 responsibility for your own
safety and for that of your co-workers.
* Ensure that no unauthorized persons have access to the
AS200.
For your own protection, have your co-workers certify in
writing the fact that they have received instruction in the
operation of the AS200. A suggestion for a printed form
which can be used for this purpose will be found at the
end of the chapter on safety.
We reject herewith any and all claims in conjunction with
personal injury or property damage resulting from failure
to observe the following safety instructions.

21.11.2001 Retsch GmbH 5 Doc. No E98.014-016.9999 A
Warnings
The following symbols are used to identify specific
hazard potentials:
!
Personal injury
Property damage
Repairs
These operating instructions do not include any repair
instructions. In the interest of your own safety, have
repairs made only by the Retsch GmbH or an authorized
representative (service technician).
In this case, please notify the following:
Local Retsch representative
Your supplier
The Retsch GmbH
Your address for service:
_____________________________________
_____________________________________
_____________________________________
_____________________________________
_____________________________________
Confirmation
I have familiarized myself with the foreword to the operating in-
structions and the chapter on safety
_______________________________________
Owner/operator signature
_______________________________________
Service technician's signature

21.11.2001 Retsch GmbH 6 Doc. No E98.014-016.9999 A
Technical specifications
Machine designation: AS200
Utilization in accordance with the intended
purpose
The AS200 is suitable for both dry and wet sieving of
free-flowing, dispersed products where the input product
exhibits grain size of up to a maximum of 25 mm.
Do not make any modifications to the machine and use only
RETSCH approved spares and accessories.
Failure to comply will invalidate the CE declaration
and guarantee.
Emissions
Characteristic noise values :
Noise measurement according to DIN 45635-31-01-KL3
The characteristic noise values are determined primarily
by the set amplitude value, the number of test sieves and
the characteristics of the sieving material.
Example 1 :
Sound power level: LWA = 71 dB(A)
Workplace-related emission LpAeq = 63 dB(A)
Operating conditions:
Sample material: quartz, grain size < 1 mm, 5 sieves
vibration height : 1,5 mm
Example 2 :
Sound power level: LWA = 76 dB(A)
Workplace-related emission LpAeq = 67 dB(A)
Operating conditions:
Sample material: quartz, grain size < 1 mm, 5 sieves
vibration height : 3 mm
Electromagnetic compatibility (EMC)
Strong electromagnetic interference fields, such as high-
power radio transmitters, can have an adverse influence
on amplitude control in the AS200 control model.
Once the source of interference is eliminated, the AS200
control will return to normal operation (self-correction).
Electrical protection class
IP54 and IP20 in the area of the sieve carrier passage.
Equipment dimensions
Height:: up to about 800 mm
Width: 400 mm , Depth: 400 mm
Weight: approx. 40 kgwithout sieve stack and
without sieve clamping device
Footprint
400 mm x 400 mm; no safety clearances required

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Shipping and installation
Target group: Owner, freight forwarder, operator
Packing
The type of packaging used has been selected in
accordance with the shipping mode. It complies with
generally applicable packaging guidelines.
Please retain the packaging for the duration of the
warranty since, in case of a claim, returning in
unsuitable packaging can jeopadize your warranty
entitlements
Shipping
During transportation the AS200 may not be
subjected to impact or vibration; it must not be
thrown. The electronic and mechanical components
could otherwise be damaged.
Temperature fluctuations
In case of wide temperature fluctuations (during
shipment by air, for instance) the AS200 will have to
be protected against condensation; the electronic
components could otherwise be damaged.
Intermediate storage
Also ensure that the AS200 is stored in a dry place.
Standard equipment
* AS200
* 1 line power cord
* 1 serial connector cable, PC-to AS200
* 1 copy of the operating instructions
Check to ensure that the shipment is complete and
includes any accessories which you may have ordered
separately.
Verify that the AS200 operates perfectly (see in this
regard the chapter on operation).
If the shipment is not complete or is damaged, you
must notify the forwarder and Retsch GmbH
immediately (within 24 hours). Under certain
circumstances compensation cannot be paid for
claims which are lodged later.

21.11.2001 Retsch GmbH 8 Doc. No E98.014-016.9999 A
Requirements for the installation site
Ambient temperature
5°C to 40°C
When the ambient temperature exceeds or falls below that
specified, the electronic and mechanical components may
be damaged, and performance data changed to an
unknown extent.
Humidity:
Maximum relative humidity 80% at temperatures up to 31°C;
linear decline down to 50% relative humidity at 40°C.
At higher humidity, the electronic and mechanical
components may be damaged, and performance data
changed to an unknown extent.
Installation site – altitude:
max. 2000 m above mean sea level
Installation / Shipping nuts
SM
Set up the AS200 only on a stable laboratory bench to avoid un-
pleasant transmission of vibrations.
• Loosen the hexagonal nuts SM using an open-ended spanner until
the sieve plate moves freely
• Unscrew the wing screws A (shipping nuts) with hexagonal nuts.
• Mount the appropriate sieve clamping device (See the chapter
on operation for instructions)
• Keep the wing screws Awith hexagonal nuts (shipping nuts) in a
safe place for later transportation.
Reusing the shipping nuts
• Screw the hexagonal nuts fully onto the wing screws
• Screw the wing screws through the sieve plate into the housing
• Twist the hexagonal nuts downwards and tighten until the sieve
plate can no longer move
Operation with these shipping nuts in place, or shipping
without the these nuts installed, could cause damage to
mechanical components.

21.11.2001 Retsch GmbH 9 Doc. No E98.014-016.9999 A
Electrical connection
* Refer to the data plate for information on the voltage and
frequency at which the AS200 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 AS200 to the
power supply.
* When connecting the power cord to the power source, be sure
that the supply circuit is fused in accordance with local codes.
Failure to observe the values on the data plate
can cause damage to either the electrical or the
mechanical components or both.

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Operation
Target group: Operators
Control elements and their use
Schematic view of the operating controls:

21.11.2001 Retsch GmbH 11 Doc. No E98.014-016.9999 A
The operating controls and their functions
Summary table
Element AS200
model
Description Function
A all models Shipping stabilization; wing
screw with nut and washer
Protects the unit during transportation; must
without fail be removed before use.
AA all models Socket Attachment point for the power cord.
B Accessories Sieve fixing cover, standard Covers the upper analytical sieve; in
conjunction with the retainer nuts Dor the
quick-action clamps Git secures the sieve
stack.
BB all models Fuse holder Accepts two glass-tube fuses, 4 A, slow-
blow
C Accessory Sieve fixing cover, economy Covers the upper analytical sieve; in
conjunction with the retainer nuts Dit
secures the sieve stack.
CC AS200 control Serial interface to PC In conjunction with the cable, Item No.
02.746.0023, connects the AS200 control
to a personal computer.
D Accessory standard and economy fixing
nuts
In conjunction with the Bor Csieve fixing
cover, they secure the sieve stack.
DD AS200 control Cover cap Protects the serial interface port against
dust and water; protection class IP 65.
E Accessory standard and economy
threaded spindles
Used together with the Bor Csieve fixing
cover and the nuts D, they secure the sieve
stack.
F Accessory Hex nuts Locks the threaded spindles E, screwed in
place, on the sieve plate.
G Accessory Quick-acting clamps Permits quick clamping and loosening of
the sieve stack in conjunction with the sieve
fixing cover Band the stationary rods H.
H Accessory comfort stationary rods Allows for quick clamping and loosening of
the sieve stack in conjunction with the sieve
fixing cover Gand the sieve fixing cover B.
I Contained in
G
Lever, red Pressed upwards, it releases the sieve
fixing cover B.
J all models ON / OFF switch Connects and disconnects the unit to the
line power supply.
K Contained in
G
Lever, green When pressed repeatedly, it moves the
sieve fixing cover Bdownward, thus fixing
the sieve stack.
L AS200 control Display: 0.20 to 3.00 mm Shows the vibration height (twice the ampli-
tude) from 0.20 to 3.00 mm.

21.11.2001 Retsch GmbH 12 Doc. No E98.014-016.9999 A
The operating controls and their functions
Summary table, part 2
Element AS200
Model
Description Function
M AS200 control Adjustment button to reduce
vibration height, from 3.00 to
0.20 mm
Reduces amplitude height.
Hold the button down for rapid adjustment.
MN1
MN2
AS200 digit
AS200 basic
Knob to decrease or increase
vibration height, from 0.00 to
3.00 mm
Turn to the left to decrease, to the right to
increase vibration height. The scale
graduations are not absolute and are to
serve for reference only.
N AS200 control Adjustment button to increase
vibration height, from 0.20 to
3.00 mm
Increases amplitude height.
Hold the button down for rapid adjustment.
O AS200 control Display: 0 to 99 sec. Shows the cycling interval, from 1 to 99
seconds if the Rbutton is set for the
intermittent operating mode.
P AS200 control Adjustment button - reduce
interval period
Reduces the cycling interval, 1 to 99 sec.
Q AS200 control Adjustment button - increase
interval period
Increases the cycling interval, 1 to 99 sec.
R
R1
AS200 control
AS200 digit
Interval ON button
Left-hand LED lights
Switches the AS200 into the interval mode.
Will be disabled when the machine is first
switched on.
S
S1
AS200 control
AS200 digit
Interval OFF button
Right-hand LED lights
Switches the AS200 to the continuous
operation mode.
T
T1
AS200 control
AS200 digit
Display: 0 to 99 min. Shows the sieving duration, from 1 to 99
min; two bars, indicating “infinite sieving
duration”, will be seen when the machine
is first switched on.
U
U1
AS200 control
AS200 digit
Adjustment button - reduce
sieving period
Reduces the sieving period - 1 to 99 min.
UV2 AS200 basic Knob for running time:
Reduce/increase or continuous
operation
Reduces or increases the sieving period
0 to 60 min
or sets for infinite sieving period
V
V1
AS200 control
AS200 digit
Adjustment button - increase
sieving period
Increases the sieving period - 1 to 99 min.
W
W1
AS200 control
AS200 digit
START button Starts the sieving operation
Green LED lights
X
X1
AS200 control
AS200 digit
STOP button Terminates the sieving process
Press once = Pause – Pause/Display lights
and red LED lights; press the W/W1
button once to restart
Press twice = Standby – Only the red LED
lights; press the W/W1 button twice to
start

21.11.2001 Retsch GmbH 13 Doc. No E98.014-016.9999 A
Installing and fixing the analytical sieves
The AS200 is suitable for use with analytical sieves with
outside diameters of up to 215 mm.
It is possible to install up to 16 analytical sieves 25 mm
high or 8 sieves 50 mm high, plus the base pan in each
case.
A variety of clamping units and covers is available for
use with sieves from 100 to 215 mm O.D. (see the
accessories listing).
Fixing with the sieve clamping unit –
economy or standard
* Screw the threaded rods Einto the sieve plate and lock with the
hex nuts F.
* Center the selected sieve stack on the sieve plate.
* Lay the economy Cor standard B sieve cover on the top sieve,
around the threaded rods.
* Tilt the clamping nuts D to slide them over the stationary
threaded rod and down to the sieve cover; turn down hand
tight.
We recommend using talcum powder if the base pan
sticks to the smooth surface of the sieve carrier when
removing the sieve stack.
Shorter threaded rods (see accessories listing) are
available to secure a maximum of five analytical sieves
and a base pan; these rods are for use with the
economy and standard sieve clamping units.
Please see also the section on product distribution.

21.11.2001 Retsch GmbH 14 Doc. No E98.014-016.9999 A
Fixing with the sieve clamping unit – comfort
* Screw the stationary rods H into the sieving plate
* Center the selected sieve stack on the sieve plate.
* Slide the comfort clamping cover B over the stationary rods,
pressing the red lever Iupward; the green lever Kremains in
the upper setting.
* Slide the clamping cover down to the top sieve.
* Press the green lever Kdownward several times; the red lever I
must not be moved.
* To release, use the thumb to press the red lever Iupward; the
sieve cover can now be slid upward.
(Rest the index and middle fingers on the top of the housing G).
If, after the sieving process, the red lever Iproves to be
difficult to move, then the green lever Kand the red lever
Iare to be pressed simultaneously, briefly, to release
tension.
We recommend using talcum powder if the base pan
sticks to the smooth surface of the sieve carrier when
removing the sieve stack.

21.11.2001 Retsch GmbH 15 Doc. No E98.014-016.9999 A
Operation for the AS200 control
Switching on and off
The main switch Jis located at the left-front on the
AS200; see Fig. 1.
* Turn the main switch on.
* An amplitude value of 1.50 will be shown in the
display, see Fig. 2.
* The interval off LED will light; see Fig. 2.
* Two bars will appear in the time display; see Fig. 2.
Fig. 1 The AS200 is now ready for operation, without the intermittent
operation function, in continuous duty, at vibration height of 1.5
mm.
Start - Interrupt - Stop
Fig. 2
Start: Fig. 2
* Press the START button W.
* The green LED above button W lights.
* Display Lshows the run-up to the predetermined value.
During the sieving period the vibration height will be kept
constant, within the predetermined tolerances.
Interruption (pause function): Fig. 2
* Press the STOP button Xonce.
* The red LED above button Xlights.
* The values remain visible in the displays.
* Press the START button W.
* The sieving process will be resumed.
Stop (standby function): Fig. 2
* Press the STOP button Xtwice
* Red LED above button X lights.
* The entire display goes out.
* Activate the LED displays: press button W once.
* New values can now be entered.
* Press the START button W a second time
* The same function will be executed as with the start
function.

21.11.2001 Retsch GmbH 16 Doc. No E98.014-016.9999 A
Signal at conclusion of sieving
Fig. 3
If the sieving process runs to completion without
interruption, the conclusion will be announced with five
signal tones.
Disabling the signal: Fig. 3
* Press buttons S and X simultaneously
A tone will sound to confirm the entry.
Enabling the signal: Fig. 3
* Press buttons S and W simultaneously.
A tone will sound to confirm the entry.
Intermittent – Continuous operation
Fig. 4
Intermittent operation is initially disabled when the
AS200 is first switched on.
Enable intermittent mode, 1 to 99 sec.: Fig.
4
* Press button R.
* The LED above button R lights.
* Display O shows “10 sec”.
* Pressing button Q will raise the interval period up to as
much as 99 sec.
When the 99 sec. value is exceeded, the display will
cycle back to 1 sec. and continue from there.
* Pressing button P reduces the interval period, down to 1 sec.
When the 1 sec. value is exceeded, the display will cycle
back to 99 sec. and continue from there.
Disable intermittent mode: Fig. 4
* Press button S.
* The LED above button S lights.
* Display O goes out.

21.11.2001 Retsch GmbH 17 Doc. No E98.014-016.9999 A
Vibration height
A value twice the amplitude is shown as the measured
value in the display labeled “amplitude” (L). We will
refer to this measured value as “vibration height”
throughout these instructions.
Fig. 5
When the AS200 is switched on, the vibration height will
be set at the default value of 1.50 mm.
Setting the vibration height, from 0.20 to
3.00 mm: Fig. 5
Reduce:
* The M button reduces the vibration height down to as little
as 0.20 mm, in discrete steps.
* Hold down button M; after 5 sec. the rapid adjustment
function will commence.
Once the 0.20 mm value is reached, the system will
cycle back to 3.00 mm and continue from there
Increase:
* Pressing the N button increases vibration height, in
discrete steps, up to a maximum of 3.00 mm.
* Hold down button N, after 5 sec. the rapid adjustment
function will commence.
Once the 3.00 value is reached, 0.20 mm will once
again appear.
Naturally, your AS200 can only achieve the vibration
heights which are within the values shown in the loading
diagram.

21.11.2001 Retsch GmbH 18 Doc. No E98.014-016.9999 A
Setting the time
Fig. 6
When the AS200 control is switched on it will be in the
continuous operation mode.
Setting the time for 1 to 99 min.: Fig. 6
* Pressing button U will reduce the time down to as little as
1 min.
Once this value has been passed, two bars will appear,
indicating continuous operation.
* Pressing button V raises the time, up to 99 min.
When this value is passed, the two bars indicating continuous
operation will appear.
Serial PC port
Fig. 7
The AS200 control can be connected with a personal
computer using the serial port.
Protective cap DD keeps dust and water from entering
the connector when not in use.
Making the connection:
Fig. 7
* Unscrew the cap DD.
* Attach and screw down the cable.
* Connect the cable to the PC.
Software
The Easy Sieve software is available as an accessory
item.

21.11.2001 Retsch GmbH 19 Doc. No E98.014-016.9999 A
Operation for the AS200 digit
Switching on and off
The main switch Jis located at the left-front on the AS200; see
Fig. 8
* Turn the main switch on.
* The interval off LED lights, Fig. 9
* Two bars light in the time display, see Fig. 9
The AS200 is now ready for operation, without the interval
function, in continuous duty.
Fig. 8
Start - Interrupt - Stop
Fig. 9
Start: Fig. 9
* Press the START button W1.
* The green LED above button W1 lights.
Interruption (pause function): Fig. 9
* Press the STOP button X1 once.
* The red LED above button X1 lights.
* Sieving is suspended; values remain visible in the
display.
* Press the START button W1.
* The sieving process will be resumed.
Stop (standby function): Fig. 9
* Press the STOP button X1 twice
* Red LED above button X1 lights.
* The entire display goes out.
* Activate the LED displays: press button W1 once.
* New values can now be entered.
* Press the START button W1 a second time
* The same function will be executed as with the start
function.

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Intermittent - Continuous operation
Fig. 10
Intermittent operation is initially disabled when the
AS200 is first switched on.
Enable intermittent mode: Fig. 10
* Press the R1 button.
* The LED above button R1 lights.
Disable intermittent mode: Fig. 10
* Press the S1 button.
* The LED above button S1 lights.
Vibration height
If you desire to work with vibration heights above 2.5
mm, we recommend running the AS200 up to this value
slowly. Depending on the loading situation, resonance
(harmonic reinforcement) effects can be induced, causing
the armature and the yoke of the magnet to make contact.
Fig. 11
Setting the vibration height (twice the
amplitude), from 0 to 3.00 mm: Fig. 11
* Turn the MN1 knob to the left to reduce the vibration
height, to the right to increase.
The values shown on the potentiometer scale are for
orientation purposes only. There is no absolute
relationship to the actual vibration height and thus this
scale cannot be used as an aid in reproducing previous
values.
Naturally, your AS200 can only achieve the vibration
heights which are within the values shown in the loading
diagram.