美國(guó)Quest 2200積分聲級(jí)計(jì)的英文介紹: The Quest 1200 (Type 1) and 2200 (Type 2) integrating impulse sound level meters offer superior noise measurement and analysis at a competitive price. With five operating modes, the 1200 and 2200 provide the most flexible monitoring options among our Basic Series Sound Level Meters. Specify the Model 1100R or 2100R to receive the detachable microphone version allowing measurements up to 100 feet (30 m) away with optional extension cables. 1200/2200 Technical Specifications -------------------------------------------------------------------------------- Measurement Range: 30 to 140 dBA 40 to 140 dBC 43 to 143 dBPk Microphone: Size: 0.5" 13.5 mm Type: Electret Detachable Microphone Optional Frequency Weighting: A, C, Z Response Time Constants: Fast Slow Impulse Peak Exchange Rates: 3 or 5dB Outputs: AC/DC Temperature Range: Operating: 14°F to 122°F (-10°C to 50°C) Storage: -47° F to 140°F (-20°C to 60°C) Batteries: 9V Alkaline (25 Hrs) Size: 1200: 2.8"x 9.2"x1.3" (7 x 23 x 3.3 cm) 2200: 2.8"x 7.0"x1.3" (7 x 18 x 3.3 cm) Weight: 1200: 10.8 oz. (306 g) 2200: 10.3 oz. (293 g) Standards: 1200: Type 1, ANSI S1.43-1997 (R1997), IEC60651-1979 EN60651, IEC 60804-1985, CE Mark, UL, CSA, EEx, SABS Pending: MSHA 2G IEC/EN - 61672 - I - 1999 Committee Draft 2200: Type 2, ANSI S1.43-1997 (R1997), IEC60651-1979 EN60651, IEC 60804-1985, CE Mark, UL, CSA, EEx. Pending: MSHA 2G IEC/EN - 61672 - I - 1999 Committee Draft