Name: Hach sc200
Brand: Hach
Rating: 5 (1 reviews)

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Section 4,

Maintenance

The Ultima Controller and Ultima Calibrator are rated as

intrinsically safe for Class I, Division 1, Groups A, B, C and D

areas during normal operation. All maintenance procedures

must be performed in a non-hazardous area. Failure to

comply with this warning can result in serious personal

injury or death.

Batteries

• The Ultima Controller is approved for use with two Duracell

MN1500 "AA" Alkaline cells.

• The Ultima Calibrator is approved for use with either two Duracell

MN2400 or two Eveready E92 "AAA" Alkaline cells.

Determining a Low Battery Condition

on the Ultima Controller

To Determine if Battery Replacement is Necessary

1. Turn the controller unit ON.

• After the unit completes its initialization,

the display shows ID CODE, READY or ready.

2. If the display shows the ID CODE message, enter the correct code

(see "Using the ID CODE Feature") to reach the ready prompt.

3. The READY display is the low battery indicator:

• If READY appears (upper case letters), the batteries are OK

• If ready appears (lower case letters), the batteries are weak

and must be replaced.

Replacing the Batteries

To Install New Batteries in the Ultima Controller

1. Turn OFF the Ultima Controller.

2. Remove the four screws from the rear of the case and carefully

pull the rear cover away from the unit.

3. Remove the two weak batteries from the battery holder and

dispose of properly.

WARNING

4-1

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