Instruction manual

10.0 OTHER FUNCTIONS SM425 INSTRUCTION MANUAL
42500001 REV A 157
10.1.1.16
10.1.1.17
10.1.1.18
10.1.2.1
History of Calibration Time
The calibration-conducted dates and times, along with span-gas and zero-gas ratios for the past ten
calibrations are stored in memory.
Power Supply Voltage
For accurate temperature control of the detector heater, the power supply voltage and frequency must be
set appropriately. Set the AC supply voltage to "Low" if supply is 140 Vac or less, or to "High" if it is 180
Vac or more.
Power Frequency
Set the AC supply frequency setting appropriately --"Low" for 50Hz, and "High" for 60Hz.
10.1.2 Trend Graph
Press the Graph Display key in the basic panel display screen to switch to the graph display screen.
Touching anywhere on the graph display will return to the Basic Panel display screen. To set the Trend
Graph display, follow the steps in Section 1.53.2.1.
Setting Display Items
1. Press the Setup key in the Basic Panel display screen to display the Execution/Setup display
screen Select Maintenance from the Execution/Setup display screen.
2. Select Display setup from the Maintenance display screen.
3. Select Trend Graph from the Display Setup display screen. The Trend graph display shown in
Figure 10-4 appears.
4. Select “Parameter: Oxygen” from the Trend graph display screen. Then select the desired
variable shown in Table 10-2.
Table 10-2 Trend Graph Display Items
Selected item Description
Oxygen
Concentration
Time history graph of the
process gas oxygen
concentration.
Output 1 Time history graph of
Output 1
Output 2 Time history graph of
Output 2