Pro's Kit MT-4618, Руководство пользователя

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Display
symbols Description Display
symbols Description
FAST High speed OVER Over flow
SLOW Low speed A A weighting mode
HOLD Keep C C weighting mode
UNDER Below dB Decibel
MAX Maximum SONE Sound unit (sone)
MIN Minimum Battery power
Functional characteristics description
●
This sound level meter complies with IEC651 Type 2 and
ANSI S1.4 Type 2.
●
Includes the measuring scope from 30 to 130 dB and
automatic shifting function
●
A and C weighting network selection
●
High speed (FAST)/Low speed (SLOW) response rate
selection
●
Maximum (MAX) locking function
●
Digital display, good anti-interference performance, power
saving
●
Includes the backlight feature, it is appropriate for gathering
the sound data at night. To save power, backlight auto power
off function is provided.
●
Composite material injection molding process is adopted for
casing with anti-drop structure design. It is not only extremely
wear-resistant, but also elegant.
●
Includes power saving and high-reliability circuit design,
well-designed high-efficiency power supply circuit makes the
batteries more durable.
Specifications
●
Sound pressure accuracy: ± 1.5 dB (sound pressure standard,
94 dB @ 1KHz).
●
Sound pressure accuracy: ±5 dB (sound pressure standard,
94 dB @ 8KHz).
●
Sound pressure frequency response: 30Hz - 8KHz.