www.miinet.com
Moore Industries-International, Inc.
- 42 -
User’s Manual
224-790-00K
May 2018
Programmable Limit Alarm Trips
SPA
2
SECTION 4
Trimming the Analog Output (-AO Option)
Figure 4.12. gives an overview of the Analog Output Trimming menu.
Output trimming increases the measurement accuracy of the SPA
2
by calibrating its analog output to
the device that is receiving the output. This ensures that the instrument is being correctly interpreted.
Connect the unit as shown in Figure 4.13 and allow five minutes for warm up and stabilization.
1. At the “TRIM AOUT” display, press
SELECT
.
2. “TRIM ZERO” appears. Press
SELECT
. The value 0.000 (mA or V depending on the set up)
is shown. While monitoring your reading on the meter, use the
UP
and
DOWN
buttons to
adjust the output to the desired level. Use the meter in the set up to monitor the output as it is
adjusted. When the output is set as desired, press
SELECT
.
Note:
The value on the LCD is the value that must be trimmed in order to adjust to the desired level.
3. Press
SELECT
at “TRIM FULL” and repeat Step 2. Press
SELECT
. “FCTRY TRIM” is shown
on the display.
4. If you wish to
disable
the user-configured trimming values and use factory trimming, press
SELECT
at the “FCTRY TRIM” screen. Use the
UP
and
DOWN
buttons to choose “YES”;
press
SELECT
. “TEST AOUT” is brought up on the display.
By selecting “NO” at the “FCTRY TRIM” screen, the user-configured trim values will be used.
5. In order to check output performance and accuracy, you may want to perform an output test.
If you choose to enable this test, follow the instructions in Step 6. To bypass this feature, use
the
DOWN
button and scroll to “EXIT TRIM”.
6. To enable the analog output test, press
SELECT
at the “TEST AOUT” display. Use the
UP
and
DOWN
buttons to set your output test value (this figure must fall within your sensor
configuration range value) and press
SELECT
. “EXIT TRIM” appears; press
SELECT.
