Fluke 5020A user manual System Alarm, 35. Sensor Alarm

5020A

Users Manual

Sensor Alarm

The SENSOR ALARM function allows the setting of the alarm parameters for each channel.

To set alarm parameters, a channel number and measurement type (T or H) must first be selected using B C and ENTER buttons.

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Figure 5-35. Sensor Alarm

The PARAM parameter is selectable between 1/T, 1/H, 2/T, 2/H. The 1 and 2 refer to the channel selected, T is temperature and H is humidity.

The A D buttons are used to select the menu option. The B C buttons are used to change the parameter setting. Press the E button to save the new setting. Press the F button to cancel any changes and exit to the menu.

Once an option is selected, the parameters LOWER, L ENAB, UPPER, U ENAB, RATE, R ENAB, and SENSOR for the given channel (1 or 2) and measurement type (T or H) are displayed. The LOWER parameter is the lower limit alarm. The L ENAB parameter is used to turn the lower limit alarm ON or OFF. The UPPER parameter is the upper limit alarm. The U ENAB parameter is used to turn the upper limit alarm ON or OFF. The RATE parameter is the upper limit of the absolute value of the rate of change expressed in degrees/hour or %RH/hour. The R ENAB parameter is used to turn the rate alarm ON or OFF. The SENSOR parameter is used to turn the sensor fault alarm ON or OFF.

The A D buttons are used to select the menu option. The B C buttons are used to change the parameter setting. Press the E button to save the new setting. Press the F button to cancel any changes and exit to the menu.

System Alarm

The SYSTEM ALARM function allows the battery or power alarms to be turned ON or OFF.

When the BATTERY alarm is turned ON, an alarm occurs when the battery charge is low.

When the POWER alarm is ON and a battery is installed, an alarm occurs when the power is disconnected. This alarm will continue to sound every 20 seconds until power is restored or the battery is discharged.

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