Center 201 User Manual

4-2 DC Current Measurement
Switch the main function selector to A rang.
Press ZERO button to enter the zero reading.
Before measuring current larger than 40A, adjust the
scale to 400A range by press the range button then
perform auto zero operation.
Open the clamp by pressing the jaw-opening handle and
insert the cable to be measured into the jaw.
Close the clamp and get the reading from the LCD panel.
Note:
Before this measurement, disconnect the test lead with
the meter for safety.
In some occasion that the reading is hard to read, push
the HOLD button and read the result later.
7

Center 201 Specifications

General

Type	Sound Level Meter
Resolution	0.1dB
Microphone	1/2 inch Electret Condenser microphone
Measurement Range	30 dB to 130 dB
Frequency Weighting	A
Display	LCD
Operating Temperature	0°C to 40°C
Time Weighting	Fast (F) and Slow (S)