JF-XUAN WS1361 רמת צליל דיגיטלית רמת מד בודק לחץ 30-130dB דציבלים USB מדידת מדידה כלי מדידה דיגיטלי

המאפיינים האחרים

Frequency range:

31.5Hz~8.5KHz

Level range:

30~80dB, 40~90dB, 50~100dB, 60~110dB, 70~120dB, 80~130dB, 30~130dB

Linearity weighting:

50dB

Frequency weighting:

A/C

Digital display:

4 digits

Resolution:

0.1dB

Sample rate:

2times/second

Bar graph:

50dB scale 1dB step for monitoring current sound pressure level display Sample rate

Over indication:

OVER/UNDER

AC output:

0.707Vrms at FS output impedance approx 600ohm

DC output:

10mV/dB, output impedance approx 100ohm

Time weight:

FAST/SLOW

Microphone:

½ inch electret condenser microphone

Max hold:

MAX

Power supply:

1.5V AA alkaline battery (the battery is not included)or USB 5V 100mA

Power life:

About 30 hours(alkaline battery)

Self calibration:

4S

Operating condition:

0.C~40.C, 10~80%RH

Storage condition:

-10~50.C, 10~80%RH

Size:

Approx. 24 x 7 x 3.5cm/9.45 x 2.76 x 1.38inch

Caution:

1. Do not operation the meter at high Humidity environment.:

2. Please take out battery from the meter if not in use for long time.:

3. Once using the meter in the presence of wind, it is a must to mount the sponge ball to not pick up undesired signals.:

Package Included:

1x Professional Sound Level Meter:

1x Sponge Ball:

1x USB Cable:

1x Software CD:

Note:

Please select the product you need based on product attributes. Please check the model number carefully before ordering. Thank you for your understanding.