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407736型雙范圍噪音計(jì)
407736型雙范圍噪音計(jì)特點(diǎn)：
提供1.5分貝精度
符合ANSI和IEC 651 2類標(biāo)準(zhǔn)
兩個(gè)測(cè)量范圍：35至90分貝（低）和75到130dB（高）
zui大保持與復(fù)位按鈕
內(nèi)置校準(zhǔn)檢查（94分貝）
用于連接模擬AC / DC輸出分析儀或記錄儀
三腳架非常適合現(xiàn)場(chǎng)使用
技術(shù)參數(shù)：
| 項(xiàng)目 | 數(shù)字聲級(jí)計(jì) |
| 分貝范圍 | 35至100，65至130 |
| 頻率范圍 | 31.5到8000赫茲 |
| 頻率加權(quán) | A和C |
| 精度 | + / -1.5分貝 |
| 分辨率 | 0.1分貝 |
| 顯示 | 2000計(jì)數(shù)LCD |
| 響應(yīng)時(shí)間 | 快速/慢速 |
| 標(biāo)準(zhǔn) | IEC 651 2型和ANSI |
| 輸出插孔 | 是的 |
| 包括 | 硬質(zhì)乙烯基案例，9 V電池和說(shuō)明書(shū) |
| 廠家保修期限 | 1年 |
Digital Sound Level Meters
Two models for general purpose and high accuracy Type II measurements
With 1.5dB or 2dB accuracy
Features:
- A and C weighting
- High and Low measuring ranges:
- Model 407735- Low (35 to 100dB), High (65 to 130dB)
- Model 407736- Low (35 to 90dB), High (75 to 130dB)
- 0.1dB resolution
- Fast/slow response
- Max Hold with reset button
- Model 407736 meets ANSI and IEC 651 Type II standards
- Large 0.5" 3-1/2 digit LCD display
- Built-in calibration check (94dB)
- Tripod mount and analog DC/AC conditioned outputs of 10mV/dB
- Utilizes 0.49"(12.3mm) condenser microphone
- Dimensions: 9.5 x 2.7 x 1" (241 x 69 x 25mm)
- Weight: 7.6 oz (215g)
- Complete with hard vinyl case and 9V battery
Ordering Information:
407735....................Digital Sound Level Meter, 2dB accuracy
407735-NIST..........407735 with NIST Certificate
407736....................Digital Sound Level Meter, 1.5dB accuracy
407736-NIST..........407736 with NIST Certificate
407766....................94/114dB Sound Level Calibrator
40705X....................AC/DC Recorder Output Cable