Hanna-instruments HI 83414 Manuale Utente Scaricare il pdf (Pagina 41)

LAMP REPLACEMENT

The instrument tungsten lamp has a life longer than 100,000 measurements. In case of lamp

failure, the defective lamp can be easily replaced. When the lamp is broken, the instrument displays

a lamp error message.

To replace the lamp follow the next steps:

• Power off the instrument and take out the

power cord.

• Remove the fixing screw of the lamp lid.

• Remove the lamp lid.

• Unscrew the lamp leads from connector.

• Unlock the lamp and extract it by pulling it out

from the lamp holder.

• Place the new lamp in the right position and

push it until is securely locked.

• Insert the lamp leads into the connector and

tighten them using a screwdriver.

• Return the lamp lid and secure with the screw.

Warning: After lamp replacement the meter has

to be recalibrated.

FUSE REPLACEMENT

To change the fuse follow next steps:

•Disconnect the power cord from the rear panel of the instrument.

•Pull out the fuse holder located near the power cord connector.

•Replace the fuse with a similar one.

•Push the fuse holder with the fuse in the appropriate place.

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Hanna-instruments HI 83414 Manuale Utente Pagina 41