K30160, K30165, K30166 Rust Preventing Characteristics Oil Bath
Operation and Instruction Manual
K30160,5,6-Manual
-13-
a. Set the operating temperature to the
desired setting.
b. Press the up and down arrow buttons
simultaneously for about 5 seconds. When
Auto Tune is active, the lower green LED
display will blink
TUNE
. Auto Tune will
automatically toggle off when the set point
temperature is reached. Auto tune can be
terminated by pressing the up & down
buttons simultaneously again.
5 Operation
1. Be sure to read the safety and hazard
warnings, the installation procedure and any
of the standard test methods mentioned in the
introduction of this manual before operating
this instrument.
2. Flip the Line Switch to the ON position.
3. Observe the display panel of the digital
temperature control. Upon power initialization
all LED’s will momentarily be illuminated. After
five seconds, the control will reset and display
the current bath temperature on top as PV or
process (or actual) value. The bottom display
is the setpoint value or SV
4. To raise the apparatus temperature, push the
ascending arrow until the desired temperature
is displayed in the setpoint value display. To
lower the setpoint value, push the descending
arrow until the desired temperature is
displayed in the setpoint value display.
The maximum setpoint temperature limit is
programmed at 150°F.
WARNING:
Do not set a temperature
higher
than
150°F.
The
software
overtemperature protection is set at 200°F. If
an overtemperature situation occurs, power to
the heaters is interrupted until the operator
shuts off the bath or the bath cools down.
WARNING:
There are exposed hot
surfaces on the bath. Avoid contact with
exposed skin by the use of protective
equipment as required or serious injury could
occur.
5.
Test Sample Setup Instructions
Fill the beaker with an oil sample up to the
graduation mark. Place beaker into the
chamber. Place the plastic beaker cover on
top. Push up on the upper stirrer shafts
(already assembled). Insert a lower stirrer
shaft into the slot provided on the beaker
cover. Connect the lower stirrer shaft to the
upper stirrer shaft by slipping it into the slotted
coupling and twisting to the left or to the right
as required. Install the test specimen into the
beaker. Insert the ASTM grade thermometer
with a cork into the plastic beaker cover.
Adjust the stirrer height as per the instructions
outlined on the lower left side of the stirrer
Arrangement Assembly diagram,. A vernier
caliper may be used to measure the correct
stirrer height.
Turn ON the stirrer motor by flipping the Stirrer
Motor Switch up.
6. Proceed to test in accordance with any of the
following standard test methods: ASTM D665,
IP 134, ISO 7120, DIN 51355, DIN 51585,
FTM 791-4011, FTM 791-5313
6 Safety Features
The Koehler Rust Preventation Bath 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 Rust Prevention Bath 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.
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