417D/424D
Users Manual
20
Maintenance
Maintenance and calibration are not necessary for the Meter.
Clean the Product
To keep the Meter in good condition:
• Remove dirt with a moist, soft cloth.
• Do not put in water.
• Do not use aggressive detergents or solutions.
Batteries
Replace the batteries when blinks in the display. See Figure 15.
Note
Do not use zinc-carbon batteries.
Figure 15. Battery Replacement
417D
424D