Name: Hach sc200
Brand: Hach
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Procedure 15.

Setting the Alert Option on an Ultima X Series Sensor

The Alert option allows the operator to set the Ultima X unit to operate

as shown in TABLE 3-2.

Table 3-2. Alert Operation Settings

ALERT OPTION

ON OFF

CALIBRATION Alert relay de-energized Alert relay energized

POWER ON RESET Alert relay de-energized Alert relay energized

(countdown)

4-20 CAL mA (Oxygen) 3.75 mA 21 mA

4-20 POWER ON 3.75 mA 21 mA

RESET mA (Oxygen)

1. Press the SEND button.

• The display prompts: SEND?.

2. Press the CAL button.

• The display prompts: Sel Cal Action +

3. Press the + or - button until the display prompts: Alert Option.

4. Press the ENTER button.

• The display prompts: AlrtOpt 0=N 1=Y.

5. Aim the Controller at the Sensor and press either the 0 or 1 button.

• The Ultima X Series Gas Monitor Alert Option is now changed

to the selected operation.

Procedure 16.

Setting the Sensor Swap Delay on an Ultima X Sensor

• The Ultima X Series Gas Monitor is shipped with the Sensor Swap

Delay enabled. This means that the 4-20 mA output signal and the

FAULT relay will hold off a fault indication for 60 seconds after the

sensor missing indication is displayed on the instrument. This

setting allows the operator to exchange sensor modules without a

FAULT indication.

• This feature can be disabled to provide an immediate FAULT error

condition. To change it, use the Controller to perform the

following steps:

1. Press the SEND button.

3-17

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