รายละเอียด:
เครื่องวัดความดังเสียง เครื่องวัดเสียง Sound Meter - เครื่องวัดระดับความดังเสียง Sound Level Meter 840029 (SPER SCIENTIFIC USA)
"High accuracy meets IEC 61672 class 2 and ANSI S1.4 type 2 frequency and time weighting specifications."
840029: Digital Type 2 Sound Meter - 840029 ยี่ห้อ Sper Scientific, USA
All the standard features
For a LIMITED time comes with a N.I.S.T. Traceable Certificate of Calibration. (+เพิ่ม 2,500 บาท)
Perfect for testing for OSHA requirements. Meets IEC 61672 class 2 and ANSI S1.4 type 2 frequency and time weighting specifications. Offers a wide variety of measuring options including "A" and "C" decibel frequency weighting scales, fast or slow response, AC or DC output and peak function. The large display has a resolution of 0.1 dB and also indicates low battery, and over or under load. Covers 30 ~ 130 dB in the "A" scale and 35 ~ 130 dB in the "C" scale, with an accuracy of ±1.5 dB. Can be easily calibrated using the internal oscillation system. CE Approved. Has a fold out tripod stand and comes with carrying case, instructions, windscreen, calibration tool, and a 9V battery. Comes with a N.I.S.T. traceable certificate of calibration.(Option +เพิ่ม 2,500 บาท)
Dimensions: 8½" × 3⅛" × 1⅜" (216 × 80 × 35 mm)
Weight: 10 oz (283 g)
Specifications:
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Display:
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3½ digits digits, 3/4" LCD
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Range: 30 ~ 130 dB
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30-70 dB, 60-100 dB, and 90-130 dB
40 dB on each step, with overload indicator
A (dBA) weighting: 30~130dB
C (dBC) weighting: 35~130dB
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Accuracy: |
±1.5 dB |
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Resolution: |
0.1dB |
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Frequency: |
31.5 Hz to 8,000 Hz |
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Functions: |
dB ( A and C Frequency Weighting),
Response (Fast, Slow),
Max. Hold
AC/DC Output |
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Microphone Size: |
1/2" condenser microphone. |
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Internal Calibration: |
Built-in internal calibration on front panel. |
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Internal 94 dB / 1 kHz square wave generator |
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Response: |
Fast (F): t = 200 ms
Slow (S): t = 500 ms |
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Output Signal: |
AC: 0.5 Vrms corresponding to each range
step. DC: 0.3~1.3 VDC, 10 mV per dB.
Output impedance is 600 ohm. |
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Output Terminal: |
3.5 mm diameter phone jack |
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Operating Temperature: |
32~122°F (0~50°C) |
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Operating Humidity: |
Less than 90% RH |
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Power Supply: |
One 9V battery, heavy duty or alkaline type |
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Power Consumption: |
Approximately DC 6 mA |
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Weight: |
10 oz (283 g) |
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Dimension |
8½" × 3⅛" × 1⅜" (216 × 80 × 35 mm) |
Accessories :
• Meter, Instruction Manual, 9V battery, calibration screw driver, and hard carrying case.
Sper Scientific 2 Pt. Acoustical Calibrator - Sound Meter Calibration
หมายเหตุ ::
• ราคาสินค้ารวม ยังไม่รวมภาษีมูลค่าเพิ่ม 7%
• ราคาสินค้าไม่รวมค่าขนส่ง
• สเปคและราคาสินค้าอาจมีการเปลี่ยนแปลงโดยไม่แจ้งให้ทราบล่วงหน้า
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