Safety Precautions - Extech Instruments 38390 User Manual

Safety Precautions

WARNING: Improper use of this meter can cause damage, shock, injury or death. Read and understand this users
manual before operating the meter.
1. Always remove the test leads before making current measurements.
2. Always remove the test leads before replacing the batteries.
3. Inspect the condition of the jaws, test leads and the meter for any damage before operating the meter.
Repair or replace any damage before use.
4. Do not exceed the maximum rated input limits.
5. Use great care when making measurements especially when the voltages are greater than 25VAC rms
or 35VDC. These voltages are considered a shock hazard.
6. Always discharge capacitors and remove power from the device under test before performing Resistance
or Continuity tests.
7. Remove the batteries from the meter if the meter is to be stored for long periods.