1. Measurement range: (with 2 × 10-5Pa as reference)
A-level: 30dB~135dB;
C-level: 35dB~135dB.
2. Frequency range: 20Hz to 12.5KHz;
3. Frequency weighting: A, C weighting;
4. Detector characteristics: LMS true RMS, peak factor: 3
5. Time weighting characteristics: F (fast), S (slow), maximum value retention;
6. Automatic measurement function: Lp, Leq, L5, L10, L50, L90, L95, Lmax, SD, Ld, Ln, Ldn, etc;
7. Automatic measurement time: Man (manual), 10s, 1min, 5min, 10min, 15min, 20min, 1h, 8h, 24h, Regular (hourly);
8. Clock: year, month, day, hour, minute, second set to run;
9. Automatically store more than 500 sets of measurement data and achieve automatic output and printing of measurement data through an external microcomputer or matching printer via the RS-232C interface;
10. Calibration: Use HS6020 sound level calibrator. (Sound pressure level: 94dB, frequency: 1KHz);
11. Display: 54 × 42mm large screen LCD digital display, with analog meter hands, measurement methods, measurement time and clock, and backlight display functions;
12. 5 LR6 high-energy alkaline batteries, DC 7.5V, and equipped with an external power input socket.
3、 Other:
1. Select attachments: calibrator, extension cable (10/15/30m), tripod.
2. External dimensions:
1) Host: 240mm × 81mm × 31mm;
2) Printer: 178mm × 81mm × 31m.
3. Weight: The host weighs about 400 grams, and the printer weighs about 410 grams.