รายละเอียด:
Convenient Measurement of Sound Levels from Electrical Equipment and Machinery
Specifications :
• Applicable standards : IEC 61672-1: 2013 Class 2, JIS C 1509-1:2017 Class2, JIS C 1516:2020 Class2
• Measurement functions : Sound level, Equivalent continuous sound level, Sound exposure level, Maximum Sound level, C weighting peak sound level (measurement possible only when peak range is selected)
• Measurement times : 1/5/10 minutes, or 1 hour
• Frequency weighting characteristics : A weighting, or C weighting
• Measurement level range : [Wide range] A weighting: 30 dB to 137 dB, C weighting: 36 dB to 137 dB
: [Peak range] A weighting: 65 dB to 137 dB, C weighting: 65 dB to 137 dB
• Frequency range : 20 Hz to 8000 Hz
• Microphone : 1/2-inch electret condenser microphone
• Time weighting characteristics : Fast or Slow
• Other functions : Storing processing results (Storing capacity : 199 pieces of data), Warning indications, Bar graph
• Output : DC output connector: DC output: 3 V (full scale), 25 mV/dB, Output impedance: 50 ?
AC monitor output connector: AC output: 1 Vrms +600 mVrms, -400 mVrms (at 110 dB) (Upper limit: 1.8 Vrms), Output impedance: 600 ?, Frequency weighting characteristics: Z weighting
• Power supply : LR03 (AAA) alkaline battery ×2, Continuous use 9 hr at wide range, R03 (AAA) manganese battery ×2, Continuous use 3 hr at wide range, Consumption: 80 mA
• Dimensions and mass : 63 mm (2.48 in) W × 120 mm (4.72 in) H × 23.5 mm (0.93 in) D, 105 g (3.7 oz), (including batteries)
• Accessories : Wind screen WS-14 ×1, Hand strap VM-63-017 ×1, Windscreen fall out prevention rubber NL-27-014 ×1, Silicon cover NL-27-089 ×1, Carrying Case 9757 ×1, LR03 (AAA) alkaline batteries ×2, Instruction manual ×1