Hach Sigma 950, Основное руководство пользователя

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3. Enable or disable the data logging mode that is shown on the display. Refer to the table that
follows for data logging mode descriptions.
Option Description
EXTENDED POWER
MODE Uses the least amount of power. When enabled, a reading is recorded for each
enabled input channel each time the logging interval ends (e.g., 1 minute or
5 minutes).
POWER SAVE Automatically selected when the instrument thinks a battery is the power source.
When enabled, a reading for each enabled input channel is collected once per
minute. Then, the average reading for each channel is recorded each time the
logging interval ends.
CONTINUOUS When enabled, a reading for each enabled input channel is collected once per
second. Then, the average reading for each channel is recorded each time the
logging interval ends.
4. Select SET MEMORY MODE, then select an option.
Option Description
SLATE When the memory is full, no more readings are recorded to the data log and the program is
completed (stopped).
WRAP When the memory is full, the oldest reading is discarded from the data log each time a new reading
is recorded.
5. Select the input channels to be recorded to the data log.
a. Select SELECT INPUTS.
b. Select one of the input channels shown.
c. Push CHANGE CHOICE until Logged shows, the push ACCEPT .
d. Select the logging interval for the input channel, then push ACCEPT . Refer to Table 16 .
e. Enter more applicable settings for the input channel if applicable. Refer to Table 17 .
f. Do steps b – e again to record more input channels to the data log.
Table 16 Logging interval and days recorded – one input channel
Logging interval 128 kB RAM 512 kB RAM Logging interval 128 kB RAM 512 kB RAM
Minutes Days recorded (maximum) Minutes Days recorded (maximum)
1 12 80 12 144 963
2 24 160 15 180 1204
3 36 240 20 240 1606
5 60 401 30 360 2409
6 72 481 60 720 4818
10 120 803
Table 17 Additional input channel settings
Channel Options
PROCESS TEMPERATURE Logging interval, temperature units
Note: The temperature units can only be changed in this menu.
RAINFALL Logging interval, rainfall units (inches or cm)
LEVEL/FLOW Logging interval, level units, flow units
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