产品展示
Tes-52 Sound Level Meter
点击次数：552发布时间：2009/11/2 0:00:00
更新日期：2012/3/8 16:46:51
所 在 地：Tai Wan
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详细内容
| applicable standards | iec pub 60651 type2 , ansi s1.4 type 2 |
| digital display | 4 digital lcd,0.1 db resolution ,up-dated every 0.5s |
| measurement level | 30db to 130db |
| measurement frequency range | 31.5 hz to 8khz |
| frequency weighting | a and c |
| time weight | fast and slow |
| microphone | 1/2 inch electret condenser microphone |
| measureement level range | 5 ranges in 10-db step : 30~90db , 40~100db 50~110db , 60~120db 70~130db |
| quasi-analog bar indicator | 1-db steps, 60db display range, up-dated every 0.125s |
| display warning function overrange indicator underrange indicator | displayed at the upper limit displayed at the lower limit |
| manual data memory capacity | 99 sets |
| analong ac / dc output | 2vrms ( at full scale ) , 10mvdc / db |
| power supply | four 1.5v lr-6/aa size alkaline cell, ac adapter |
| battery life | about 50 hours |
| operating temperature , humidity | 0 oc~ 50oc(32 of~122of)r.h.<80% non-condensing -10oc~60oc(14of~140of)r.h<70% non-condensing |
| dimensions | 258 (l)⊙68(w)⊙27(h)mm |
| weight | approx. 310g |
| accessories | instruction manual , battery , adjustment screwdriver , wind shield |
