Key technical indicators and functions: Kuen-kuɛn-kuɛn-kuɛn-kuɛn-kuɛn-kuɛn-kuɛn-kuɛn-kuɛn-kuɛn-kuɛn-kuɛn
1, Sound Level Measurement Range: (2×10-5Pa ye tɛmɛ)
1) 35 ~ 130dB (A);
2) 40-130dB (C).
2, Frequency range: 20Hz ~ 12.5kHz;
3, frequency weighting features: A, C weighting; 3, frequency weighting features: A, C weighting; 3, frequency weighting features: A, C weighting; 3, frequency weighting features: A, C weighting
4, Level Range Blocking Settings:
1) L (low): 35dB ~ 100dB (reference range), > 100dB overload indication;
2) H (high): 65dB ~ 130dB, <65dB low range indication, >130dB overload indication.
5, Time Weighing and Keeping Settings: Fast Feature F (Fast) ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n HOLD: Keep zui high instant voice level; tɔ̈ɔ̈u: tɔ̈ɔ̈u: tɔ̈ɔ̈u: tɔ̈ɔ̈u: tɔ̈ɔ̈u
6, Display: 50mm × 20mm three-digit semi-liquid display, resolution 0.1dB, update rate about 1 times/per second; 6, display: 50mm × 20mm three-digit semi-liquid display, resolution 0.1dB, update rate about 1 times/per second; 6, display: 50mm × 20mm three-digit semi-liquid display, resolution 0.1dB, update
7, kalibration: HS6020 (94dB, 1000Hz);
8, Power: DC 7V ~ 9V, ye 9V bateri ye tɔ̈u thïn;
9, AC signal output: zui large effective value about 2V, impedance 600 ohms; 9, AC signal output: zui large effective value about 2V, impedance 600 ohms; 9, AC signal output: zui large effective value about 2V, impedance 600 ohms;
10, DC signal output: 0.3V ~ 1.3V (ye waar në 0.1V / 10dB, load impedance 1MΩ).
3. Wɛɛr:
1, kä ye kek ɣaac: kalibrator, 5M extension cable;
2, Dimension: 246mm × 70mm × 30mm;
3, kɛnɛya: 260g (bateri)
4, basic configuration: host, wind cover, clock start, aluminum alloy box; 4, basic configuration: host, wind cover, clock start, aluminum alloy box; 4, basic configuration: host, wind cover, clock start, aluminum alloy box;