1. Capacitor microphone
2. Display screen
3. Power
4. Shift: 30~80、50~100、80~130、30~130
5. Max/Min
6. Frequency weighting(A/C)
A weighting is for the sound volume of frequency that
can be felt by human's ears C weighting is for
mechanical noise character.
7. Time weighting(FAST/SLOW)
FAST: 125millisecond set as time constant can be
used in many situations
SLOW: 1second set as time constant is to make sure
of stabling variable digit
8. Backlight control key
9. The output port of AC analog signal
10. the output port of DC analog signal
12. Sponge ball(windshield)
13. Hole for adjustment
14. Battery cover
수입신고 1USD |
구매/결제대행 1CNY |
TT송금 1CNY |
---|---|---|
6.81 CNY | 203.62 KRW | 0.149 USD |