Display Description; Keypad Description - Extech Instruments PS101 User Manual

Display Description

1. Primary Display Area
2. MAX-MIN mode active
3. Recording active
4. Data Hold active
5. Low battery voltage
6. Stored reading memory location
7. Single reading storage mode
8. Review stored data record
9. Elapsed timer
10. Unit of measure selector arrows
11. Difference mode (actual reading minus reference value)
12. Negative pressure connector
13. Positive pressure connector
14. Data to PC output jack

Keypad Description

Power ON/OFF
Press momentarily to store a reading. The MEMO icon and the storage location number
will appear on the display with a flashing reading. Press and hold for 3 seconds to access the
Recall mode (use up and down arrow keys to navigate stored readings). Momentarily press again
to exit recall mode. To delete all records, press and hold key for 3 seconds while in Recall mode.
Press momentarily to switch ON the display backlight for approximately 10 seconds
Unit of Measure selector key. Press momentarily to step through availble units.
Press momentarily to enter Record mode. REC icon apears and the elapsed timer starts.
Press to step through MAX and MIN readings. Other keys are locked in this mode except for the
backlight and the Power key. Press and hold for 3 seconds to exit the record mode and to return
to the normal mode of operation.
Press to freeze current reading. Press again to release.
Press momentarily to store the current reading as a reference (the DIF icon will switch
ON). Subsequent readings represent the current measurement minus the reference value. Note
that this display is NOT the differential pressure between the two pressure inputs.
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PS100 Series-EU-EN-v1.1 2/13