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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)：

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