tes-52中國(guó)臺(tái)灣泰仕tes-52噪音儀/聲級(jí)計(jì)/tes-52中國(guó)臺(tái)灣泰仕tes-52噪音儀/聲級(jí)計(jì)
tes-52中國(guó)臺(tái)灣泰仕tes-52噪音儀/聲級(jí)計(jì)
產(chǎn)品簡(jiǎn)介:
技術(shù)參數(shù):
applicable stangdards | iec pub 60651 type2, ansi s1.4 type 2 |
digital display | 4digital lcd, 0.1db resolution,up-dated every 0.5s |
measurement level | 25~130db |
measurement frequency range | 31.5hz to 8 khz |
frequency weighting | a and c |
time weight | fast and slow |
microphone | 1/2 inch electret condenser microphone |
measurement level range | 5 ranges in 10-db step:25~80db 30~90db 40~100db 50~100db 60~120db 70~130db |
quasi-analong bar indicator | 1-db steps,60db display range ,up-dated every0.125s |
display warning function overrange indicator underrange indicator | ov displayed at the upper limit un displayed at the lower limit |
manual data memory capacity | 99 sets |
analong ac/dc output | 2vrms (at full scale), 10mvdc/db |
power supply | one 9v battery (006p to iec6f22) ac adapter |
battery life | about 50 hours |
weight | approx.310g |