|
| Open Web |
20/08/2005 |
| Last Update |
22/04/2024 |
| All Pageviews |
|
|
|
| All Products/Service |
1609 |
|
0205550016051
|
|
|
|
|
Product/Service >> Sound level meter >> Extech 407790A: Real Time Octave Band Analyzer
| Extech 407790A: Real Time Octave Band Analyzer Code: 001229 Description:
เครื่อง มือวิทยาศาสตร์ อุปกรณ์วิทยาศาสตร์ > เครื่องวัดเสียง > เครื่องวัดวิเคราะห์ระดับความดังเสียง > Sound Level Meter/Datalogger > Display Function: Lp, Leq, LE, Lmax, Lmin, L05, L10, L50, L90, L95,
407790A: Real Time Octave Band Analyzer with USB ยี่ห้อ Extech, USA
Type 2 integrating sound level meter with Octave and 1/3 Octave Band real time display
Extech’s Type 2 Integrating Sound Level Meter with Octave and 1/3 Octave Band Real Time is displayed on a large 3.5" 320x240 TFT color backlit LCD.
Features:
-
Wide measurement in 5 ranges: 20 to 90dB, 20 to 100dB, 20 to 110dB, and 30 to 120dB, 40 to 130dB
-
3.5" (320x240) TFT color LCD with backlight feature displays Leq, LE, Lmax, Lmin, Lp, L05, L10, L50, L90, L95
-
Stores readings on microSD card
-
Precise linearity over wide range (100dB)
-
Transferred data to a PC to be analyzed using software and cable provided
-
A, C and Z weighting with Fast or Slow response
-
25Hz to 10kHz frequency response
-
Meets ANSI and IEC Type 2 standards
-
Internal self test when powered ON
-
Detachable 0.52" (13.2mm) diameter condenser microphone and Tripod mount provided on rear
-
Analog AC/DC recorder output
-
Real time clock with Year, Month, Day, Hour, Minute and Second display
-
Optional microphone extension cable for measurements in enclosures and other remote locations (407764-EXT)
-
Complete with Windows® compatible software, USB cable, 4 x C batteries, microphone wind screen, mini screwdriver, 120V AC adaptor, and case
For complete specs please download the product datasheet (not available for some accessories)
Specifications:
|
Applicable standards |
ANSI S1.4 Type 2, EN IEC 60651, EN IEC 60804, and EN IEC 1260-1995 |
|
Accuracy |
±1.5dB (ref 94dB @ 1kHz) |
|
Measurement functions |
Lp, Leq, LE, Lmax, Lmin, L05, L10, L50, L90, L95, |
|
Frequency range |
25Hz ~ 10kHz |
|
Frequency Weighting |
A, C, and Z |
|
Time Weighting |
Fast, Slow, 10ms (τ), I |
|
Display |
3.5" (89mm) 320x240 TFT color backlit LCD; Displays 1/1, 1/3, and 1/1 & 1/3 |
|
1/1- 1/3 Analyzer level range |
5 ranges in 10db steps: 20 to 90dB, 20 to 100dB, 20 to 110dB, 30 to 120dB, 40 to 130dB |
|
1/1 Octave and 1/3 Octave |
1/1 Octave band center frequencies: (9 bands); |
|
1/3 Octave band center frequencies: (27 bands) |
|
Signal output |
AC output: 1 Vrms (at full scale); DC output: 3.0V, 25mV/dB |
|
Memory |
microSD card (included) |
|
Measurement Time |
1s to 23h 59m 59s |
|
Power |
Four type C size 1.5V batteries, External DC power: 6V, 1A |
|
Dimensions |
13.6 x 3.9 x 2.4" (345 x 100 x 60mm) |
|
Weight |
33.5oz (950g) |
Extech’s Type 2 Integrating Sound Level Meter with Octave and 1/3 Octave Band Real Time is displayed on a large 3.5" 320x240 TFT color backlit LCD.
The 407790A allows the following quantity measurements.
Simultaneous measurements of all items with selected time weighting and frequency characteristics. |
|
• Sound level |
Lp |
|
• Equivalent continuous sound |
Leg |
|
• Sound exposure level |
SEL |
|
• Maximum sound level |
Lmax |
|
• Minimum sound level |
Lmin |
|
• Percentile sound level |
LN (L05, L50, L90, L95) calculated from Lp |
|
• Frequency rating |
A, C, Z |
• Time weighting
Main Channel
Sub Channel |
Fast, Slow, 10ms, impulse
Fast, Slow, 10ms, impulse |
Applications:
- Real time analysis of noise from any source such as machinery or vehicles
- Monitor office or plant noise and store data for later reference and analysis
- Maintain noise level statistics for internal and external audits
- Perform machinery noise monitoring or use for noise reduction programs
Accessories:
• Complete with Windows® compatible software, USB cable, 4 x C batteries, microphone wind screen, mini screwdriver, 120V AC adaptor, and case
Ordering Information:
407790A............Real Time Octave Band Analyzer
407764-EXT......15ft (4.7m) Microphone Extension Cable
407744..............94dB Sound Level Calibrator
407766..............94/114dB Sound Level Calibrator
หมายเหตุ ::
• ราคาสินค้ารวม ยังไม่รวมภาษีมูลค่าเพิ่ม 7%
• ราคาสินค้าไม่รวมค่าขนส่ง
• สเปคและราคาสินค้าอาจมีการเปลี่ยนแปลงโดยไม่แจ้งให้ทราบล่วงหน้า
 Download ดาวน์โหลดไฟล์ข้อมูลสินค้า
Time sale : Until the remains |
|
|
|