ESCO EA742JF. Data logger sound level meter

Frequency characteristics

A characteristic/C characteristic

Frequency range

31.5Hz to 8KHz

Measuring range

A Characteristics: 30~130dB
C characteristic: 30~130dB

Measurement range

・Lo: 30~80dB
・Med: 50~100dB
・Hi: 80~130dB
・Auto: 30~130dB

Decomposition

0.1 dB

Accuracy

±1.4dB (1kHz, 23±5℃conditions)

Dynamic characteristics

・FAST: 200ms
・SLOW: 500ms

Display

3.5-digit LCD display

Over-range display

[----] Mark display

Underrange display

[----] Mark display

Sampling

1 time/second

Use temperature and humidity

0 to 50℃, 85%RH or less (no condensation)

Storage temperature and humidity

-20 to 60℃, 85%RH or less (no condensation, be sure to remove the battery)

Size

68(W)×45(D)×245(H)mm

Weight

About 445g (including batteries)

Power supply

AA batteries x 6 (included) or AC adapter (sold separately)

Battery life

・Normal measurement: about 145 hours
・When the data logger function is in operation: about 60 hours (backlight off, alkaline battery used)

Function

・Data hold
・Maximum and minimum value display
・Backlight
・Auto power off (about 10 minutes / can be turned off)
・SD card recording
・Data logger