产品描述：
SL1700 - Digital Sound level meter，SL1700数字声级计
• Wide dynamic range
• A and C weighting
• 3 1/2 digit back lit LCD display with Analog bar graph
• Date and time displayed on LCD
• Auto/Manual ranging and Maximum hold
• AC and DC auxiliary outputs
• Selectable slow and fast response time
• Meets IEC651 Type 2 and ANSI S1.4 type 2 standards
技术参数：
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Measurement ranges |
Auto Range: 30dB to 130dB
Manual Range:30dB to 130dB in (6) 50dB ranges |
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Dynamic range |
50dB |
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Accuracy |
±1.5dB |
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Resolution |
0.1dB |
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Frequency range |
30Hz to 8 KHz |
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Frequency weighting |
A and C |
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Response time |
125mS (fast) and 1S (slow) |
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Microphone |
0.5" Electret condenser type |
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AC Signal Level |
0.707V RMS FS for each range |
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AC Signal Impedance |
600 |
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DC Signal Level |
10mV/dB |
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DC signal Impedance |
100 |
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LCD Display |
4 digit; Update rate: 2 times/sec |
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Analog bargraph |
1dB per bar; update rate: 20 times/sec |
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Power |
(6) 1,5V AAA batteries |
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Size |
9.6"(L) x 3.1"(W) x 1.4"(D) |
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Weight |
1 lb |
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Accessories |
Ear phone plug, Operating manual, (6) 1.5V AAA batteries, Windscreen |
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