Monroe 288 Spécifications télécharger pdf (Page 12)

Section 5

MAINTENANCE

Precautions —

User maintenance should normally be limited to keeping the instrument clean and free from

physical damage. Store the instrument in its protective carrying pouch when not in use.

Cleaning —

Fingerprints and other contaminants may be removed from the case with a clean lint-free

cloth dampened in a 70%/30% mix of clean technical grade isopropyl alcohol and de-ionized

water. DO NOT use soap or detergent.

Battery —

Battery voltage is monitored and displayed on the MAIN screen. Normal range of operation

is between 10 and 15 volts. When the battery has discharged to below 10 volts, a warning

message is displayed and the instrument shuts down 15 seconds later terminating any

activity in progress. Battery charge life depends on type of tests being run and the settings

selected in the OPTION menu. Testing may be resumed using AC power.

A complete re-charge cycle takes 4-6 hours with power off.

Charge State Indicator —

While the unit is connected to an AC power line and in an inactive state, the upper half (red)

of the PLATE VOLTAGE bar graph serves as a battery state-of-charge indicator with

maximum being a float condition and minimum implying that the battery requires further

charging. The “x1” and “x2” range lights will be lit. If the power cord becomes disconnected,

the LED’s will continue to report the battery status for several minutes.

Calibration —

Calibration is not a user function and is beyond the scope of this manual. Calibration

information is available from the factory. Monroe Electronics recommends annual calibration

and/or when the instrument is damaged or repaired or where called for more often by

contract. We offer repair and calibration services for a fee.

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Monroe 288 Spécifications Page 12