PCE Instruments PCE-WMM 50, Руководство пользователя

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Manual
9
3.2 Display
Symbol Meaning Description
CO
2
concentration in ppm CO
2
concentration in the
monitored room
Temperature (degrees Centigrade) Temperature in the monitored
room in degrees Centigrade
Temperature (degrees Fahrenheit) Temperature in the monitored
room in degrees Fahrenheit
Alarm Alarm icon
Diagnosis Test of communication between
the sensor unit and the remote
display unit
First alarm threshold If the CO
2
concentration exceeds
the first alarm threshold,
- the red LED 1 flashes,
- the buzzer sounds and
- the potential-free contact
closes if the red and blue cables
are connected or closes if the
white and blue cables are
connected
Second alarm threshold If the CO
2
concentration exceeds
the second alarm threshold,
-
”ESC” appears in the LCD
- the two red LEDs 1 and 2
flash,
- the buzzer sounds
Calibration Calibration of the CO
2
sensor if
the measurement value deviates
too much from the current CO
2
concentration
Restore Factory Settings Deletes all custom settings and
restores the factory default
settings.
Escape Appears once the second alarm
threshold is exceeded, what
might be a sign of CO
2
leakage.
High The CO
2
concentration is higher
than 5 %.