# 407764-EXT Extech Accessory New

**Features**

-   Autoranging over 6 ranges from 30 to 130dB with high accuracy to ± 1.5dB and 0.1 dB resolution
-   Large LCD display with function indication and fast 50 segment bar graph display
-   Time and Date are logged with data
-   Stored data can be easily transferred to a PC via RS-232 interface and analyzed using software & cable provided
-   A & C weighting and Fast/Slow response
-   Tripod mount provided on rear
-   Max Hold function
-   Meets ANSI S1.4 Type II and IEC 651 standards
-   Internal self test when powered ON
-   Detachable 0.52"(13.2mm) diameter condenser microphone
-   Analog AC/DC recorder output 10mVDC/decibel
-   Optional microphone extension cable for measurements in enclosures and other remote locations (407764-EXT)
-   Dimensions: 10.4 x 2.8 x 0.8"(265 x 72 x 21mm); Weight: 10oz.
-   Complete with microphone wind cover, Windows ®95/98/NT/2000/ME/XP compatible software, Serial cable, 4 AA batteries, microphone windscreen, and carrying case

**Applications**

-   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
-   Store data for error free community noise monitoring

Extech's 407764-EXT is a fifteen foot Microphone Extension Cable for use with Extech's Models 407355, 407780 and 407790 Sound Level Meters.

## Details

- **Price:** 179.0 USD
- **Vendor:** Extech
- **Type:** Oth Accs
- **Tags:** Accessories, Extech, Manufacturers, Other, Other Equipment, product_manual_group_2, Product_new

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 179.00 USD | In stock |

## Images

- 407764-EXT Extech Accessory

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> Source: [ValueTronics](https://valuetronics.com/products/407764-ext-extech-accessory-new)
> Updated: 2026-05-21