Calibration - Hach SP-510 Manuel D'utilisation

Figure 14 SP-510 keypad
Key Function Description
1 HARD LED The monitor found hardness in the water. The status indicator light is red.
2 SOFT LED The monitor is in operation and no hardness shows. The status indicator light is green.
3 ALARM OFF Sets the alarm to off. When more cycles are necessary to examine the water, set the alarm
to off. The status indicator light is yellow.
4 HARD CAL Completes a hard calibration. Refer to
yellow.
5 ZERO CAL Completes a zero-point calibration. Refer to
light is yellow.
Section 6 Startup
6.1 Start the instrument
Note: Install the pressure plate correctly to prevent sample flow directly into the reagents. Refer to
valve pressure plate on page 11.
1. Open the supply valve to the instrument.
2. Let the pressure in the tubes stabilize.
Note: If leaks occur under pressure, examine all connections. Secure connections until all leaks have stopped.
3. Set the power to on.
4. Operate the instrument for approximately 2 hours with the sample and reagents.
Note: The sample cell will have bubbles on the surface until it is fully wetted. The bubbles can cause irregular
readings until the sample flow stabilizes.
Section 7 Calibration
Chemical exposure hazard. Obey laboratory safety procedures and wear all of the personal protective
equipment appropriate to the chemicals that are handled. Refer to the current safety data sheets
(MSDS/SDS) for safety protocols.
Table 3 Keypad description

Calibration

C A U T I O N
on page 17. The status indicator light is
Calibration on page 17. The status indicator
Install the pump
English 17