Omega HHP360 Series, Руководство пользователя

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3. To zero the manometer using
User-Adjusted Zero
, start with
the unit turn
ON
and in
Measure Mode
and use the
following keystroke sequence:
Keystroke Display
1. Apply a known,
accurate pressure
source. This may be
true atmospheric
pressure, with known
reference defined by a
local barometer.
2. Press MIN/MAX and
TARE keys at the
same time. (See figure
1 above.)
Top line of display reads
“ZEROING SOURCE:”
Bottom line of display reads
“REF TO ABS ZERO”
3. Press ▲ or ▼ arrow
key until desired zero
function is shown on
the bottom line.
Bottom line of display reads
“USER ADJ. ZERO”
4. Press the PRGM key. Top line of display shows the
current
non-zero compensated
pressure value. Bottom line of
display shows the same value,
along with the engineering unit.
5. Press any of ▲ or

arrow key or the
PRGM key to begin
editing.
Example: set current
pressure value to 29.5
inHg @ 0º C.
Top line of display continuously
updates. Bottom line of display
data is ready for editing; the first
digit is blinking.