ACD CAL 2000 LT Руководство по эксплуатации - Страница 9

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II.

Normal Operation

To start the generator, press and hold the POWER switch,

located in the middle left front of the instrument, until the

display reads A. C. D., approximately three (3) seconds.

Release the switch immediately thereafter.

The instrument will sequence through several screens as

follows:

A. C. D. I

Please Note: If you would like to change the language of

the menus, see section III. Menu Options: Foreign

Language Option, for instructions.

The instrument will display the Serial Number and Cell

Number, followed by the manufactured date.

Serial # 0000001

Cell # 000001

Manufactured

01 Aug 2003

Calibration Date

01 Aug 2004

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IV.

Maintenance

The electrochemical cells of the CAL 2000 LT require

periodic maintenance to provide optimum performance. It is

recomended that the electrolyte solution be replaced on an

annual basis.

If the instrument is returned with the cell on an annual basis

to maintain NIST certification, the electrolyte will be replaced

by the factory.

The following steps should be taken to replace electrolyte.

........a. Remove cell as described in section I. General

Description: Cell Installation and Removal.

........b. Unscrew solid fill plugs on reservoir and

remove liquid.

........c. Use syringe (provided with electrolyte) to add

liquid to within 1/8 inch from the bottom of fill hole.

Warning: Do not over-fill reservoir. Trapped air must be

allowed to escape through vent plug as fill screw is

replaced. Contact the factory for more information.

........d. Replace fill plugs.

The electrolyte in the electrochemical cells can also dehy-

drate over time in dryer climates. A low electrolyte level will

ultimately result in a "Cell Failure" warning. Since only water

is evaporated, and the electrolyte salts are remaining in

solution, it is only necessary to replenish the electrolyte with

distilled or de-ionized water. Ordinary tap water (as well as

many bottled waters) should not be used as it contains

chemicals and minerals that could contaminate the cell.

Replenishing the cell with water is similar in procedure to

replacing the electrolyte shown above, but the remaining

electrolyte is not removed before the replenishment water is

added.

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