Class 1 Sound Level Meter NL-53 / Class 2 Sound Level Meter NL-43
with Extended Function Program NX-43EX Instruction Manual Operation Guide

6.3 Display

Sets the measurement amount and other items displayed on the measurement screen.

Display

No. Name Description
1 Bar Graph Sets the upper and lower limits of the bar graph.
2 Leq Calc. Sets the measurement amount to be displayed on the [Calculated value] screen.
3 Time-Level Sets whether to display Time-Level.

6.3.1 Bar Graph

Bar Graph

Sets the upper and lower limits of the bar graph.

Item Description
Upper Range Select the upper limit (dB) of the bar graph.
The value that can be set is 70 dB to 130 dB in 10 dB increments.
Lower Range Select the lower limit (dB) of the bar graph.
The value that can be set is 20 dB to 60 dB in 10 dB increments.

6.3.2 Leq Calc.

Leq Calc.

Sets the measurement amount to be displayed on the measurement screen.
The setting switches between turning on/off each time you touch.
Leq calculation (statistical calculation for a certain interval such as Leq, LE, Lmax, Lmin, Lpeak, LN, LIeq, Leq,mov and Ltm5) is measured at the same time. Turn on the calculated value you want to display.

Item Description
On Displays the calculated value of the target on the measurement screen.
Off Does not display the calculated value of the target on the measurement screen.

Note

  • Calculated values which is selected [Off] in this setting are measured and saved.
  • Ltm5 calculation and back erase function cannot be set at the same time.

6.3.3 Time-Level

Time-Level

(s = seconds, m = minutes)

Sets whether to display Time-Level.

Item Description
Off Does not display the [Time-Level] screen.
20s Displays the [Time-Level] screen.
Select the screen horizontal axis (time).
1m
2m