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CNX 3000
Calibration Manual
Maintenance
To prevent a possible electrical shock or personal injury:
Clean the case with a damp cloth and weak detergent. Do not use a solvent or cleaners
with abrasives.
Dirt or moisture in the terminals can cause incorrect measurements. To clean the
terminals:
1. Turn off the Product and remove all test leads.
2. Shake out dirt that can possibly be in the terminals.
3. Soak a clean swab with weak detergent and water.
4. Move the swab around in each terminal.
5. Dry each terminal with canned air to push the water and detergent out of the
To prevent electrical shock or personal injury, remove the test
leads and all input signals before you replace the batteries or
fuses. To prevent damage or injury, install only specified
replacement parts shown in Table 5.
To prevent possible electrical shock, fire, or personal injury:
•
•
•
•
•
•
18
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Have an approved technician repair the Product.
•
Do not operate the Product with covers removed or the case
open. Hazardous voltage exposure is possible.
•
Use only specified replacement parts.
•
Remove the input signals before you clean the Product.
terminals.
Replace a blown fuse with exact replacement only for continued
protection against arc flash.
Use only specified replacement fuses.
Remove the batteries if the Product is not used for an extended
period of time, or if stored in temperatures above 50 °C. If the
batteries are not removed, battery leakage can damage the
Product.
Repair the Product before use if the battery leaks.
Be sure that the battery polarity is correct to prevent battery
leakage.
Batteries contain hazardous chemicals that can cause burns or
explode. If exposure to chemicals occurs, clean with water and
get medical aid.
Warning
Warning
Warning
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