1-1, 법정설비***배전반등록장비/시설물유지관리업 등록장비
  1-2, 법정설비***토목,건축 감리업장비/소방시설관리업 등록장비
  1-3, 공공하수도 관리대행업/하수관로기술진단장비
  1, 초음파유량계/이동식유량계/열화상카메라
  2-1,수질측정기(휴대용)탁도계/DO/잔류염소/전도도/pH미터
  2-2, 수질측정기(현장설치용)/잔류염소/전도도미터/SS/용존산소
  2, 수질측정기****MyronL(마이론)**수질측정기
  3,이화학기기****건조기/배양기/항온수조/진탕기
  4, 기록계*******온도기록계/온습도기록계
  5,두께측정기****도막두께측정기/초음파두께측정기
  6, 경도계**휴대용경도계/고무경도계/과일 경도계
  7,온도계/온습도계/수분측정기/적외선온도계
  8,풍속계/조도계/회전계/표면조도계(표면거칠기)
  9,진동계/소음계/압력계/광택계
  10 ,당도계/농도계/염분계/비중계
  11,가스측정기***산소/가연성가스/VOC/포름알데히드측정기
  12, 파티클카운터(미세먼지측정)/실내공기질측정기
  13,폴리싱머신/컷팅머신/마운팅프레스
  14,초음파탐상기/정전기/전자파측정기/가우스메타
  15,자외선측정기(UV측정기)/현미경
  16, 분광광도계/합금분석기/토크테스터기(토크메타)
  17, 핀홀측정기//금속전도율측정기/일사량측정기
  18, LCR Meter//내전압시험기/함수발생기
  19, 고압 내전압시험기/삼상회로시험기/계전기시험기
  20,전원공급기/전자로드/주파수카운터
  21, 전원품질분석기(전력분석계)/파워미터
  22,접지저항/절연저항계/저저항계/표면저항측정기
  23,캘리브레이터/검상기/슬라이닥스/TV레벨메타
  24, 오실로스코프/스코프미터
  25, 클램프메타/누설전류계
  26, 오디오아날라이저/칼라패턴제너레이터
  27, 오디오제너레이터/RF제너레이터/Volt Meter
  28, 멀티미터/밧데리테스터(AC Milliohm Meter)
  29, 스펙트럼아날라이저/로직 아날라이저
  30,푸쉬풀게이지/투영기/UTM
  31, 농업관련계측기-과일경도계/토양수분계,PH메타
  32, 전자저울/점도/방사능측정기
  33, 거리측정기/철근탐지기
  34, 유리두께측정기/유리투과율측정/자외선투과율
  38, 연막시험용배풍기/자동시료채수기/공기압시험기
  39, 정전기측정기/TREK 챠지플레이트모니터/TREK표면저항측정기
  35, Greisinger-Transmitter / Controller
  36, Greisinger-Data Logger(Sensor)
  37, Greisinger-Indicator
HOME > 제품소개 > 9,진동계/소음계/압력계/광택계
9,진동계/소음계/압력계/광택계
 
제품명: 고급형 일반용소음계(NL-20/8Hz, 28dB~138dB/+RS232C)추천상품/히트상품"
모델명 : NL-20
제조회사 : RION(Made in JAPAN)

NL-20  / 보통소음계


  • IEC/CDV 61672-1 Class2 규격적합
  • 넓은(Dynamic)측정범위(100dB)로 사용중
    변경불필요
  • 동시에 Leq,LN, Lmax 동시 측정가능
  • 시간변화에 따른 dB 변화확인 기능 추가
    (T-L기능)
  • A, C, FLAT 주파수 특성
  • AC/DC 출력가능
  • RS-232C Inteface
  • Data Memory 가능(100개)

 

■ SPEC

 

 Measuremen functions

 Sound level LP
 Equivalent continuose sound level Leq
 Sound exposure level LE
 Maximum sound level Lmax
 Minimum sound level Lmin
 Percentile sound level LN(5 selectable settings)

 Measuremen Time

 10seconds, 1, 5, 10, 15, 30minutes, 1, 8, 24 hours, and  manual(maximum 200 hours)

 Measurement range

 A weighting : 28 to 138 dB
 C weighting : 33 to 138 dB
 FLAT :           38 to 138 dB

 Inherent noise

 A weighting :                                 20 dB or less
 C weighting :                                 20 dB or less
 FLAT  :                                         32 dB or less
 Linearity range                               100 dB
 Reference sound pressure level        94dB
 Reference level range                     30 to 120 dB

 Level range selection

 6 ranges in 10-dB steps 20 to 80 dB
                                  20 to 90 dB 
                                  20 to 100 dB
                                  20 to 110 dB
                                  30 to 120 dB
                                  40 to 130 dB

 Frequency range

 Overall characteristics including microphone : 20 to 8000 Hz
 Electrical circuit characteristics (AC output) : 10 to 20000 Hz
 Electrical circuit characteristics (RMS) :         10 to 140000 Hz

 Frequency weighting

 A, C, FLAT

 RMS detection Digital processor

 Time weighting : Fast, Slow

 Calibration

 Electrical calibration with 1-kHz sine wave signal from built-in oscilator
 Acoustic calibration using sound calibrator
 Sampling interval 30.3㎲(Leq, LE)
                         100ms(LN)

 Data store functions

 Data can be stored in the internal memory

 Microphone

 1/2-inch electret condenser type
 Model :          UC-52
 Preamplifier :  NH-21

 Display

 Backklit LCD (128×64dots+121icons)
 Display screens
 Numeric and bar graph indicaton of sound level
 Processing results screen
 Level-timi graph (real-time level recording with 20-second horizontal axis)
 Message on menu screens can be changed into English, Germany or Spanish)

 Outputs

 AC/DC out
 I/O connector (Sound level meter control from and data output to a computer)
 Data output to printer DPU-414/CP-11/CP-10

 Dimensions

 Apporx, 260 × 76 × 33mm

 Weight(excluding batteries)

 Apporx, 400g

 Supplied accessories

 Windscreen                                   WS-10        1
 Carrying case                                 NL-21-031   1
 Connector cover(mounted on unit)  NL-21-005   1
 Hand strap                                    VM-63-017  1
 Batteries                                       IEC R6P      4

 Optical equipment

 AC adapter                           NC-34 series
 AC adapter with CE mark        UP0181165A (100 to 250V, 50/60 Hz)
 BNC-to RCA cable                  CC-24
 Microphone extension cable    EC-04 series
 Serial I/O cable                     CC-92
 Printer cable                         CC-93
 Sound calibrator                    NC-74
 Pistonphone                         NC-72
 Level recorder                      LR-06/LR-07

 
   
대표자명: 박 윤 미     상호: YJ코퍼레이션     사업자등록번호: 107-18-68698