2.3.6 Environmental
Conditions
Ultrasonic Cleaning System is designed for indoor operation with
temperatures and humidity levels consistent with a hospital
environment as shown below:
Ambient Temperature Range:
from 50 to 105°F (10 to 41°C)
Relative Humidity Range:
from 30 to 75%
Atmospheric Pressure:
from 700 to 1060hPa
2.4 Special Additives
Specifications
Selection of chemical additives is open to customer preference.
however, to achieve optimal performance, selected chemical
additives must meet as a minimum, the following specifications.
NOTE: Certain products may not be available in your area.
Contact Crest for product availability and ordering information.
Refer to
Table 4-2
also.
To achieve maximum cleaning efficiency, select chemical appropriate
to soil type being processed. Crest recommends the following
chemicals:
•
Chem-Crest® 14EZ
- is a mildly alkaline and enzymatic liquid
detergent for the cleaning of surgical instruments. It is designed to
be used in an ultrasonic bath for the removal of blood, tissue,
ointments, light oils, bodily excretions, and other contaminants
associated with surgical instruments. It is formulated to be low
foaming and an aggressive blood remover. It is non- caustic and
phosphate free.
•
Chem-Crest® LF275
- is a multipurpose, heavy-duty, phosphate
and silicate-free caustic liquid detergent. It is useful in many
applications demanding removal of various contaminants such as
oil, greases, and particulates. This detergent finds many uses
throughout industrial, mechanical and maintenance cleaning
operations including spray and turbulent environments.
NOTE: Crest does not promote, recommend or endorse the use
of any type of chemical additives (e.g ., strong alkaline
detergents [pH>12], alcohol rinses and liquid germicides
including hypocloric acid [bleach] in the processing of articles in
the Ultrasonic Cleaning System
2-4
Crest Healthcare Console Junior R:1
Operator Manual
Important User Information
Product
Description
Use Dilution
Range Oz./Gal
(mL/L)
pH Range at
Use Dilution
Other Applicable
Requirements
alkaline
1/4 - 2
(7 - 59)
9.0 - 12.0
Liquid, nonfoaming,
high chelating,
protein and blood
compatible.
enzyme
1/8 - 1/2
(4 - 15)
7.0 - 8.0
Liquid, nonfoaming,
high chelating,
protein and blood
compatible.
WARNING – EXPLOSION
HAZARD: Use only water or
water-detergent mix in
cleaning chamber. Never use
flammable solvents. Fire or
explosion could result.
CAUTION – POSSIBLE
EQUIPMENT DAMAGE: When
choosing a detergent, select
one with a low chloride
content. Detergents with a
high chloride content can be
harmful to stainless steel.
