3.
When the hard cal LED flashes, add two drops of Magnesium Standard Solution into the
colorimeter.
4.
When the LED stops flashing and is on continuously, wait for the cycle to complete.
At the end of the cycle, the LED sets to off to show a successful calibration.
5. HARD CAL failure:
When the LED starts to flash, push
HARD CAL
to confirm a hard cal failure.
Do steps 2–4 again.
6.
Push
ZERO CAL
. The zero cal LED is on continuously.
7.
When the zero cal LED flashes, add two drops of EDTA Solution, 10 g/L, into the colorimeter.
8.
When the LED stops flashing and is on continuously, wait for the cycle to complete.
At the end of the cycle, the LED is set to off to show a successful calibration.
9. ZERO CAL failure:
When the LED starts to flash, push
ZERO CAL
to confirm a zero cal failure.
Do steps 1–7 again.
10.
Replace the plug in the top port of the colorimeter.
Operation
After the instrument power is set to on, the SOFT LED flashes until the first reading cycle is
completed. The cycle takes 2 minutes. Then, the SOFT LED shows a stable green light.
The HARD LED comes on with a red light when the sample reagent mixture measurement is higher
than the trip point for one measurement. Push
ALARM OFF
to set the alarm relay to off. The ALARM
OFF light will show a yellow light.
The instrument operates maintenance-free for a minimum of 2 months. Periodically, do a visual
check to see if bubbles are in the tubing. If there are bubbles, look for an air leak. Refer to
Maintenance schedule
on page 18 for maintenance tasks.
Maintenance
D A N G E R
Multiple hazards. Only qualified personnel must conduct the tasks described in this section of the
document.
Maintenance schedule
Table 4
shows the recommended schedule of maintenance tasks. Facility requirements and
operating conditions can increase the frequency of some tasks.
Table 4 Maintenance schedule
Task
2 months 3 months 6 months 1 year As necessary
Replace the reagent
on page 19
x
Replace the pump tubes
on page 19
x
3
x
4
Replace the tubing
on page 20
x
Clean the colorimeter
on page 20
x
Replace the sample conditioning filter
on page 20
x
Replace the fuse
on page 20
x
3
Ambient operating temperatures more than 27 °C (80.6 °F)
4
Ambient operating temperatures less than 27 °C (80.6 °F)
18
English
Summary of Contents for SP-510
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