KV3000 Kinematic Viscosity Bath
Operation and Instruction Manual
KV3000-Manual
-17-
IMPORTANT: Allow the bath AND the sample
enough time to reach the temperature before
starting measurements. Allow 10-15 minutes
for the bath to equilibrate. Do not add medium
to the bath while a test is being performed.
Additional medium will disrupt the temperature
equilibrium of the bath and cause erroneous
test results.
6 Safety Features
The Koehler KV3000 Kinematic Viscosity
System is equipped with several safety and
protection features, which are described in the
following sections.
WARNING: The bath is NOT Explosion
Proof.
6.1 Over-Temperature Protection
The Koehler KV3000 Kinematic Viscosity
System is equipped with Over-temperature
Protection (OTP) circuitry, which prevents the
unit from exceeding unsafe operating
temperatures. If the unit cannot maintain the set
point temperature and begins to decline, the
OTP circuitry may have been activated. Please
follow these steps.
1. Turn off the unit power switch and
disconnect the line cord.
2. Determine the source of the problem and
correct the situation.
3. Restart the unit. Monitor the operations to
ensure that the unit is operating properly. If
you are still experiencing trouble, please
contact Koehler technical service for
assistance.
6.2 Over-Power Protection
The Koehler KV3000 Kinematic Viscosity
System is equipped with Over-power Protection
circuitry, which prevents the unit from unsafe
electrical conditions. If power to the unit is lost,
then turn off the main power and turn it back on
again. The main power switch also functions as
a circuit breaker.
7 Maintenance
WARNING: Disconnect power to the unit
before servicing and accessing any internal
portion of the instrument to avoid exposure to
high voltages and/or temperatures which may
result in personal injury or death. If you have any
questions about maintaining your equipment,
then please do not hesitate to contact the
Koehler technical service department.
7.1 Routine Maintenance
The KV3000 Kinematic Viscosity System
requires little routine maintenance to provide
many years of continuous service. However,
over the course of time, some instrument parts
may need to be replaced. When ordering
replacement part(s), please provide the model
number, serial number, and product shipment
date of your equipment so that we can ensure
you will receive the proper replacement part(s).
7.2 Bath Cleaning
To clean the instrument’s exterior, which
includes all painted surfaces and glass,
either a solution of soap and water or
laboratory grade detergent may be used.
Apply cleaner to clean wipe or cloth, not to
the instrument directly. Wipe surface clean.
Do Not clean bath exterior with organic
chemicals such as Acetone, Toluene,
Hexane, etc.
For more difficult cleaning of finished
surfaces, a dilute solution or isopropanol in
water may be used.
It is not recommended that more aggressive
solvents be used on painted surfaces since
paint color will tarnish or be stripped from
the instrument.
Stainless Steel surfaces, such as on the top
plate, may be cleaned using a more
aggressive solvent such as a stainless steel
cleaner.
Glass surfaces may be cleaned using a
more aggressive solvent such as acetone, if
necessary.
SHOCK AND BURN HAZARD: Only
clean inside the bath when equipment is de-
energized and unplugged from the mains power
supply. Allow adequate time for heating coils to
completely cool before cleaning.
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