■  Comprehensive noise measurements

■  Environment noise certification

■  Noise profile measurement of industrial noise

■  Peak C sound level measurements

■  Impulse noise measurements

■  Workplace noise assessments

■  Industry boundary assessments

Model	AWA5662 Sound Level Meter
Fulfills   Standards	IEC 61672 Class 1, IEC 61252:2002, IEC 60651:2001 Type 1, IEC 60804: 2000 Type 1, ANSI S1.4: 1983 Type 1, ANSI S1.4A:1985 Type 1, ANSI S1.43:1997 Type 1
Microphone  + Preamplifier	1/2” prepolarized condenser microphone (replaceable threaded) + Preamplifier (Sensitivity Level: -28dB)
Frequency   Range	10 Hz ~ 20 kHz ± 1 dB (not including microphone)
Total   Measurement Range	25 dBA to 140 dBA
Frequency   Weighting	Parallel (simultaneous) A, C, Z
Time   Weighting	Parallel (simultaneous) F, S, I, I10
A/D   Bits	24 bits
Sampling   Frequency	48 kHz
Measurement   values	Lxyp, Lxeq, T, Lxeq, t, Lxmax, Lxymin, LxE, Lxpeak, E Note: x is A, C, Z; y is F, S, I, I10.
Measurement   time	1 s to 99 h arbitrarily set
Delay   time	The instrument starts measuring after the specified time elapses (0~99s)
Data logging function	Log content: “All”, Instantaneous value, Leq Log interval: can be chosen from 20 ms to 5000 ms with 20 ms per step.
Audio Recording Function Format	MP3: “12kHz,16Bit”, “24kHz,16Bit”, “48kHz,16Bit” WAV: “12kHz,16Bit/24Bit”, “24kHz,16Bit/24Bit”, “48kHz,16Bit/24Bit”
Calibration	Using Sound Calibrator Class 1 model AWA6221A
Display	2.4-inch color screen display, resolution 240 × 320, adjustable brightness, backlight can be closed
Display   Resolution	0.1 dB
Low   battery indication	Symbol indicates low battery
Data   Storage	4G internal storage, and 64G TF card
Print	Thermal printer wireless printing
Internal   Clock	Error less than 1 min/month
Output   Interface	Analog Output (AC/DC), Micro USB3.0, USB Type-C
Power   Supply	4×AA alkaline battery or portable charger 5V/1A external power supply
Battery   Life	Longest time of 18 hours continuously with 4×AA alkaline battery
Dimensions	250 (H) x 76 (W) x 33 (D), mm.
Weight	0.34 kg
EMC	Type X
Environment	Working Temperature: -20 ~ 50 °C, Air pressure: 65 kPa ~ 108 kPa, Relative Humidity: 20 % ~ 90 % RH
Accessories	AC adaptor, Type C to USB cable(1m), Micro USB3.0 to RS232 transmission cable, 64G TF card(installed), windscreen, hand strap, windscreen fall prevention rubber, 4×AA alkaline battery, carrying case, user’s manual