User's Guide

POLI User’s Guide

The calibration interval of sensor can be set, the maximum calibration interval is 180

days. In the interface of ‘Cal Interval’, press the [+/OK] key to increase the days, press

the [ /↓] key to save the settings, and then the ‘Save?’ screen will appear, press the

[+/OK] key to save the setting and press the [ /↓] key to abort setting.

Note: the function of calibration interval is cancelled with the input ‘0’.

5.2.2.7 Bump Test Intervals

The bump test intervals can be set, the maximum calibration interval is 180 days. We

recommend that a bump test be conducted every day before using the instrument. In the

interface of ‘Cal Interval’, press the [+/OK] key to increase the days, press the [ /↓] key

to save the settings, and then the ‘Save?’ screen will appear, press the [+/OK] key to save

the setting and press the [ /↓] key to abort setting.

Note: the function of bump test interval is cancelled with the input ‘0’.

5.2.2.8 Meas. Unit

The measurement unit for displaying data from sensors can be changed. Your options are

ppm (parts per million), ppb (parts per billion), mg/m3 (milligrams per cubic meter), ug/m3

(micrograms per cubic meter), µmol/mol (micromoles per mole), ×10

-6

, and %LEL.

1. Press [ /↓] to advance down the list of sensors.

2. Press [+/OK] to select a measurement unit.

3. When the measurement unit is shown below the sensor name, press [ /↓] to move to

the next sensor.

4. When the change is done, move the cursor to ‘Done’, and press [+/OK] to save the

change and exit.

5.2.3 Alarms

You can adjust High, Low, STEL (Short Term Exposure Limit) and TWA (Time

Weighted Average) alarm limits via this set of submenus. You can also enable/disable

any combination of light (visual), buzzer (sound) and vibration alarms.

5.2.3.1 Alarm Limits

There are four alarm limits that you can adjust individual sensor for which a particular

alarm type is available.

Alarm Limits:

• High

• Low

• STEL

• TWA

Note: Some alarm limits are not applicable to all sensors. For example, Oxygen sensor

does not appear in the list of STEL and TWA alarm limit.