Fluke 2620A, 2625A user manual Viewing the Totalizer Count, Using External DC Power

Overview 2

Viewing the Totalizer Count

To clear out the contents of the Review array, press Nto call the review data up to the display, and then select CLEAR (KN). The entire array is then cleared. All array values, including the displayed value, are changed to "-----". If a scan is occurring

when a review clear is requested, new review values are taken from the next scan. If the Scan function is not active, "-----" continues to be shown for all values.

Alarms are shown with the LAST review values. Refer to Alarm Indications in Chapter 3 for a description of alarm annunciation.

Activate

N

20

G∙

−∙

⏐ ∙

↓ ∙

D 0

Table 2-3. Review Array

Review Points

H ↔ J

LAST MIN MAX

LAST MIN MAX

Deactivate

N

or

C

Viewing the Totalizer Count

The Totalizer continuously samples the Totalizer input on the rear panel. The present count can be called up to the display when in Active or Inactive Mode by pressing O. The word "totAL" appears on the right display, and the present Totalizer count appears on the left display.

The maximum count is 65535, after which "OL" is displayed. To reset the Totalizer to zero, press Oto call the Totalizer value to the display, and then select ZERO (K O).

To remove the Totalizer value from the display and restore the previous display, press

Oagain, or press D.

Note that either the Review array or the Totalizer count can be displayed at one time; you must deactivate one before activating the other.

Using External DC Power

The instrument can be powered from an external 9 to 16V dc source. Refer to Appendix A, Specifications, for additional information about dc power requirements.

Terminals for positive, negative, and ground connections are provided on the instrument rear panel. Figure 2-6 shows connection locations.

Warning

If voltages greater than 30V are to be measured, a safety ground must be attached to the rear panel ground connector when the instrument is operated from battery power.

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