產(chǎn)品特性：噪聲劑量計 ,聲級計,劑量計 ,測量穩(wěn)態(tài)噪聲

詳細介紹：
·三段式測量范圍選擇(30-100dB,50-120dB,70-140dB)
·頻率計權：A、C及Linear(Z)
·回應速度：快、慢、Peak及Impulse。
·交換率：3或5dB。
·可顯示項目：SPL、LEQ、RunTime、MAX、MIN及%OL(OverLoad)。
·單鍵式自動校正功能。
·可選擇麥克風可分離式機型(1200R/2200R)，麥克風與主機可分離達50ft.
·具抗EMI/RFI功能。
·符合標準：1200型 Type1，2200型 Type2

美國Quest 2200積分聲級計的英文介紹：
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
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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