Retsch UR 2 User Manual
Operating Instructions for Ultrasonic Cleaners
Types UR 1 and UR 2
Retsch GmbH , 42781 Haan, Retsch-Allee 1-5, Germany, 2/8/2012 0002
Notes on the operating instructions
These assembly and operating instructions for the ultrasonic cleaners
of types UR 1 and UR 2 provide all the necessary information on the
topics listed in the table of contents.
They guide the target group(s) defined for the relevant subjects in safe
and proper handling. Knowledge of the relevant chapters by the
appropriate target group(s) is essential for safe and proper handling.
This technical documentation comprises a reference work and a
training guide. The individual chapters are self-contained units.
These operating instructions do not contain any instructions on repairs.
Should any repairs become necessary, please contact your supplier or
Retsch GmbH direct.
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Notes on the operating instructions .............................. 2
Safety .............................................................................. 4
Notes on safety .................................................................... 4
Warning symbols ................................................................. 5
Repairs ................................................................................... 5
Confirmation ........................................................................ 5
Technical data ............................................................... 6
Use for the intended purpose ............................................ 6
Emissions .............................................................................. 6
Rated voltage ........................................................................ 7
HF frequency ....................................................................... 7
Capacities .............................................................................. 7
Current consumption .......................................................... 7
Fuses ...................................................................................... 7
Dimensions ........................................................................... 7
Mounting surface required ................................................. 7
Transport and installation ............................................. 8
Packaging .............................................................................. 8
Transport .............................................................................. 8
Interim storage ..................................................................... 8
Parameters for the installation location ............................ 9
Installation ............................................................................ 9
Electrical connection .......................................................... 9
Assembly of the discharge hose ........................................ 10
Operation ....................................................................... 11
Controls and operation ....................................................... 11
Overview table ................................................................... 11
Operation of the ultrasonic cleaners ................................. 12
Switching on and off ........................................................... 12
Setting the time .................................................................... 12
Prior to cleaning operations with the ultrasonic cleaner 12
Degassing the cleaning fluid ......................................... 12
Cleaning duration ............................................................. 12
Cleaning with the ultrasonic machine............................... 13
Emptying the vibratory trough .......................................... 14
Notes on operation ........................................................ 15
Cleaning ................................................................................ 15
Homogenising ...................................................................... 15
Dispersing ............................................................................. 15
General ........................................................................... 16
Ultrasonic machine technology ......................................... 16
Accessories ........................................................................... 16
Cleaning the machine .......................................................... 16
Maintenance ......................................................................... 17
Copyright .............................................................................. 17
Modifications........................................................................ 17
Appendix ................................................ following pages
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Safety
No liability in any form will be accepted for damage or injury resulting
from failure to observe the following notes on safety.
Target group: All persons dealing with the machine in any way
The UR 1 and UR 2 are modern, powerful products from Retsch
GmbH. It reflects the state of the art. When the product is handled
correctly by persons familiar with this technical documentation, it is
completely safe and reliable in operation.
Notes on safety
You, as the operator, are responsible for ensuring that the persons
appointed to work with the ultrasonic cleaners UR 1 and UR 2:
have read and understood all the stipulations of the chapter on safety,
are familiar before commencing work with all instructions and
regulations for the relevant target group,
have access to the technical documentation for this machine at all times
and without difficulty.
Ensure that new staff have been familiarised with the rules for safe and
proper handling before commencing work with the UR 1 or UR 2
either by oral instruction by a competent person and/or by this
technical documentation.
Incorrect operation can lead to damage or injury. You are responsible
for your own safety and that of your staff.
Ensure that no unauthorised persons have access to the UR 1 and UR
2.
For your own protection, have your staff confirm that they have been
instructed in operation of the UR 1 and UR 2. A draft of an
appropriate form can be found at the end of the chapter on safety.
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Warning symbols
!
Personal injury
Damage to property
The Retsch agency in your country
Your supplier
Retsch GmbH direct
We use the following symbols to warn of:
Repairs
These operating instructions do not contain any instructions on repairs.
For your own safety, only have repairs performed by Retsch GmbH or
an authorised agent (service technicians).
In such a case, please inform:
Your service address:
Confirmation
I have read and understood the foreword and the chapter on safety.
___________________________________________
Signature of the operator
___________________________________________
Signature of service technician
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Technical data
Never operate ultrasonic equipment without liquid.
The machine may otherwise be damaged.
!
The ultrasonic cleaners are not suitable for cleaning living beings
(plants, animals).
!
Do not use flammable liquids in ultrasonic equipment.
Danger of fire and explosion.
!
Do not reach into the cleaning fluid in the ultrasonic unit during
operation.
Hazard to health.
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.
Wear ear protectors when working continuously within a radius of 2
m around the ultrasonic unit to protect your health!
Machine type designation: UR1 and UR2
Use for the intended purpose
The ultrasonic cleaners are suitable for:
rapid, gentle cleaning with high efficiency,
intensive homogenisation, dispersion and degassing.
In detail, they:
are universally usable and take up little space,
save time and costs,
are maintenance-free, long-lived and environmentally friendly.
Furthermore, they are notable for their easy handling. The ultrasonic
baths are not production machines, but laboratory equipment designed
for 8 hour single shift operation.
Emissions
Cavitation noise is generated during ultrasonic operation.
Noise data for UR 1:
Noise measurement to DIN 45635-31-01-KL3
Sound power level LWA = 75 dB(A)
Workplace related emission level L
Service conditions:
Cleaning fluid: water
Filling: 100%
Object to be cleaned: Analysis sieve 200x50 in basket
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= 50 dB(A)
p eq
Noise data for UR 2:
Wear ear protectors when working continuously within a radius of 2
m around the ultrasonic unit to protect your health!
Noise measurement to DIN 45635-31-01-KL3
Sound power level LWA = 86 dB(A)
Workplace related emission level L
Service conditions:
Cleaning fluid: water
Filling: 100%
Object to be cleaned: Analysis sieve 400x65
= 80 dB(A)
p eq
Rated voltage
See type plate on rear of machine
HF frequency
35 kHz
Capacities
UR 1 = 5.7 l
UR 2 = 42 l
Current consumption
UR 1 = 0.5 A
UR 2 = 1.3 A
Fuses
UR 1 = F2A / 250V
UR 2 = F4A / 250V
Dimensions
UR 1 :
Height: approx. 260mm x 260mm // Weight: approx. 5 kg
Internal vibrating trough = 245 mm x H 130 mm
UR 2 :
Height: approx. 460mm x 570mm // Weight: approx. 21 kg
Internal vibrating trough = 515 mm x H 200 mm
Mounting surface required
UR 1 :
260 mm x 260 mm; no safety clearances necessary.
UR 2 :
570 mm x 570 mm; no safety clearances necessary.
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Transport and installation
Please keep the packaging for the duration of the guarantee
period, as your guarantee claim will be endangered in the case of
a complaint or return of the machine in inadequate packaging.
The ultrasonic cleaner must not be thrown, subjected to impact
or shock during transport. The electronic and mechanical
components may otherwise be damaged.
When there are severe temperature fluctuations (e.g. during air
transport) the ultrasonic cleaner is to be protected from
condensation. The electronic components may otherwise be
damaged.
Target group: Operators
Packaging
The packaging is suitable for the mode of transport selected. It
complies with the general packaging regulations.
Transport
Temperature fluctuations
Interim storage
Also ensure that the ultrasonic cleaner is stored in a dry place, even for
interim periods.
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