
Standards: IEC 61252, ANSI S1.25, IEC 60804, IEC 60651, IEC 61260, NR-15,
NHO01 and Normative Instruction INSS/PRES No. 77/2015 Art. 258.
1/2 inch electret microphone;
Display: 128 x 160 pixel color LCD with brightness adjustment; Measuring range: 60 to
140 dB;
Criterion levels: 80 to 90 dB;
Threshold level: 60 to 90 dB;
Exchange rate (dose doubling increment): configurable 3, 4 and 5; Frequency range:
31.5Hz - 10kHz;
Octave Band Separation: 63Hz, 125Hz, 250Hz, 500Hz, 1kHz, 2kHz, 4kHz, 8kHz;
Weighting frequency: A, C and Z;
Response time: Fast (Fast) and Slow (Slow); Automatic acoustic calibration;
Performs three simultaneous measurements: NHO01, NR15 and USER customized
standard; Measurement parameters: Dose, Projected dose, Lavg, LAeq, Ne, Nen, Twa,
Lmax. Keypad lock function to protect the meter from accidental operation; Adjustable
display auto-off from 1 to 9 minutes;
Stabilization time: approximately 1 second;
Auxiliary input (Internal) type P2 for insertion of electrical signals and calibration in the
laboratory;
Memory capacity: 99 records of up to 8h;
Power supply: internal Lithium-Polymer (Li-Po) 3.7V, 1800mAh rechargeable battery;
Charging time: 6h;
Battery percentage indication 0 to 100% on screen;
Battery autonomy: 20h;
Mini USB wired communication for charging and downloading data; Operating tempe-
rature: 0 to 50°C;
Operating humidity: 0 to 90%;
Approximate weight: 70 grams;
Dimensions: 150x60x23 mm;
2. TECHNICAL SPECIFICATIONS
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