Placid Sound Level meter, Microphones, Preamp (IEC61672, class II)

Placid Asia is manufacturing instruments and sensors with IEC61672 Class II compliance.

Placid Sound Level Meter SL-02

Placid SL-02 sound level meter, Class 2 IEC 61672-1:2002

Placid has manufactured high tech, feature rich and accurate sound level meters. We have a large collection of sound level meters that can be used for many applications where the noise levels should be measured.

The Placid SL-02 sound level meter is an integrating (Leq) sound level meter that measures the sound pressure level (SPL) in Decibel (dB).  

Placid SL-02 features:

  • compliance with IEC 61672-1:2002 Class 2
  • able to measure Leq, Lmax, Lmin, SPL
  • datalogger for 64000 records
  • pc interface with software
  • AC/DC signal output (recording, post-processing)
  • Back-lit display

Placid SL-02 specifications:

  • Measurement level range: 30~130dB
  • Accuracy: ±1.4dB (ref. 94dB @ 1 kHz)
  • Frequency Weighting: A / C
  • Time Weighting: Fast, Slow
  • Frequency Range: 20Hz to 8KHz
  • Microphone: ½ inch electret condenser microphone
  • Measuring Time: 10 seconds, 1 minute, 5 minutes, 10 minutes, 15 minutes, 30 minutes, 1 hour, 8 hours, 24 hours
  • Auxiliary Outputs: AC/DC Output
  • Battery: 4 x 1.5V AA size battery
  • Dimensions: 270 x 85 x 40 mm
  • Weight: Approximately 400 gram
SL-02 Placid Soundlevel meter
SL-02 Placid Sound level meter

Calibrator CA-02 for sound level meters (1 kHz)

Calibrator for sound level meters, 1 kHz, levels 94 dB and 104 dB. Can be used for any sound level meter with a 1/2″ microphone.

Placid CA-02 calibrator features:

  • sound calibrator with 2 levels, 94 dB and 104 dB at 1 kHz
  • Accurate and very easy to use
  • can be used for calibration of 1/2″ and 1/1″ microphones
  • low battery indicator
  • complies with IEC60942: 2003, Class 2
  • complies with ANSI S1.40

Placid CA-02 calibrator specifications:

  • Output Sound Pressure Levels: 114dB and 94dB re 20 uPa under reference Conditions
  • Output Frequency: 1000Hz ±2%
  • Total Harmonic Distortion: < 4%
  • Reference Conditions:
    Temperature 23℃(73℉)
    Static press 103hpa
    Relative humidity 50%
  • Accuracy of sound pressure level:
    Understated reference environment conditions ±0.5dB
  • Battery test:
    Operate: Green LED indicator
    Low battery: Red LED indicator
  • Battery: 9 Volt battery
  • Dimensions: 115 x 65 x 45 mm
  • Weight: Approximately 170g

PLACID CA-02 Calibrator for sound level meter

PLACID CA-02 Calibrator for sound level meter

Placid Microphones & preamplifiers

Placid has a wide range of Class 1 and Class 2 microphones and preamplifiers, details can be found on the Placid website.