Media Compatibility; Measurements - Fluke 721 User Manual

Push Z to zero the pressure sensor
when vented to atmospheric pressure.
To ensure accuracy of the Product, the Product
must be zeroed before a device is calibrated.
See the "Zero Function Use" section.

Media Compatibility

The Product has a media-isolated sensor to prevent
sensor contamination. Whenever possible, clean dry air is
the media of choice. If this is not possible, make sure the
media is compatible with Nickel Plated Brass and 316
Stainless Steel.
Note

Measurements

Use the input terminals on the front of the Product to
measure current and volts. Current is measured in mA
and percentage of range. The range on the Product is set
at 0 % at 4 mA and 100 % at 20 mA.
Use the RTD connector and an RTD probe to measure
temperature.
From the main menu, push  to select mA, Volts, or
RTD. This function will only work on the LOWER screen.
The display shows "OL" when the measured
current is more than the nominal range of
current measurement (24 mA).
The display shows "OL" when the measured
voltage is more than the nominal range of the
voltage measurement (30 V).
Pressure Calibrator
Media Compatibility
Note
25