Alarm Mode Table; Calibration Verification Test And Calibration; Performing A Calibration Verification Test (Bump Test); S Models Only) - 3M 110 Series User Instructions

Alarm Mode Table

Alarm Mode Display
Low Gas Concentration and
"LOW ALARM"
High Gas Concentration and
"HIGH ALARM"
Over Range "HIGH ALARM" and flashing
of highest value in the
range of sensor (995 ppm
CO, 00 ppm H S, 5% O )
 
Error Err
End of Life EOL
Low Battery bAt

Calibration Verification Test and Calibration

The following steps must be performed when performing a calibration (O
test (CO and H S models) to ensure proper performance of the detector. Failure to do so may adversely

affect product performance and result in sickness or death.
– When performing a calibration or calibration verification test (bump test) only use certified
calibration gas at the required concentration level. Do not use expired calibration gas.
– A calibration verification test (bump test) should be performed before initial and each use.
– If the instrument cannot be calibrated (O
models) is not within ± 5% of the calibration gas concentration do not use until the reason can be
determined and corrected.
– Do not cover or obstruct display, audible alarm opening or visual alarm cover.
– Ensure sensor inlet is unobstructed and is free of debris.
– Insure calibration hood is removed prior to use.
A calibration verification test (Bump Test) should be performed before every use for CO and H
is done by checking the monitor's response to a known concentration of certified calibration gas. Sensors used
beyond the warranty period or exposed to very high concentrations of gas may require more frequent testing.
Note: The instrument has been calibrated prior to being shipped from the factory. However, to ensure it is
performing correctly, a calibration verification test must be performed prior to initial use.
Alarm Sequence
Repeating Alarm Cycle:
Three .5 sec. alarm sequences (vibrate, double beep/
double flash) followed by five .5 sec. alarm sequences
(double beep/double flash). Repeats cycle.
Repeating Alarm Cycle:
Three .5 sec. alarm sequences (vibrate, double beep/
double flash) followed by five .5 sec. alarm sequences
(double beep/double flash). Repeats cycle.
Repeating Alarm Cycle:
Three .5 sec. alarm sequences (vibrate, double beep/
double flash) followed by five .5 sec. alarm sequences
(double beep/double flash). Repeats cycle.
Double beep/double flash every 40 seconds
Double beep/double flash every 40 seconds
Double beep/double flash every 40 seconds
WARNING
model) or calibration verification

model) or calibration verification test (CO and H

S sensors. This

0

Performing a Calibration Verification Test (Bump Test)

(CO and H

S Models Only)

2
A calibration verification test (bump test) should be conducted every time you use
the monitor. This is the only way to effectively confirm that all characteristics of
the monitor and the sensors are working correctly.
Ensure that you are in a non-contaminated environment before performing a
calibration verification test. To conduct the test, attach the calibration (cal) hood
on top of the sensor inlet (Fig. 6). Ensure the calibration gas matches the sensor
installed in the instrument. Connect the hose from the gas regulator of the
calibration gas bottle to the cal hood. Turn on the gas.
Compare the displayed values with those of your reference calibration gas source.
Apply the calibration gas for a period of at least  -  minutes to ensure sufficient
response time and steady state readings. If the measurement displayed is within
±5% of the calibration gas concentration, turn off the calibration gas and
remove the cal hood. The unit is now ready for use. Otherwise do not use the
instrument until the reason for the discrepancy with the calibration gas
concentration has been determined and corrected.
Performing a Calibration (Oxygen Model Only)
First perform a self-test. Upon completion of a successful self-test, the "CAL"
message will appear on the LCD (Fig. 7). To start a self-calibration sequence, ensure
the instrument is in non-contaminated environment and press the button before the
"CAL" message disappears. A successful calibration will be indicated by 0.9% being
displayed on the LCD. If calibration fails, the "Err" message will appear on the LCD
indicating the unit needs to be replaced (Fig. 8). Do not use the instrument until
the reason for the "Err" message has been determined and corrected.

MAINTENANCE

Do not attempt to clean the instrument by rubbing with a dry cloth. Cleaning with a dry cloth may generate
S
a static charge and result in an explosion if located in a hazardous environment.

CAUTION
This instrument contains a lithium battery. Dispose of in accordance with local regulations.
Avoid the use of harsh cleaning materials, abrasives and other organic solvents. Such materials may
permanently scratch the surfaces and damage the display window, labels, or instrument housing.

Cleaning

Cleaning of the external surfaces is best carried out using a damp cloth with a mild detergent or soap.

Disposal

The 0 monitor is designed to be discarded  years after activation. To properly dispose of the instrument,
follow local solid waste disposal regulations.
WARNING

Fig. 6
Fig. 7
Fig. 8