---
product_id: 10948228
title: "Extech 407744 94 dB Sound Level Calibrator - 1 kHz Sine Wave for 0.5″ & 1″ Mics, ±0.5 dB Accuracy, Rugged Aluminum Housing, Battery-Test LED, IEC 60942 Certified"
brand: "extech"
price: "S$722"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/10948228-extech-407744-94-db-sound-level-calibrator-1-khz-sine
store_origin: SG
region: Singapore
---

# 1s reading updates 0.5" & 1" mic compatibility 94dB sound level Extech 407744 94 dB Sound Level Calibrator - 1 kHz Sine Wave for 0.5″ & 1″ Mics, ±0.5 dB Accuracy, Rugged Aluminum Housing, Battery-Test LED, IEC 60942 Certified

**Brand:** extech
**Price:** S$722
**Availability:** ✅ In Stock

## Summary

> 🎶 Tune into Precision with Every Decibel!

## Quick Answers

- **What is this?** Extech 407744 94 dB Sound Level Calibrator - 1 kHz Sine Wave for 0.5″ & 1″ Mics, ±0.5 dB Accuracy, Rugged Aluminum Housing, Battery-Test LED, IEC 60942 Certified by extech
- **How much does it cost?** S$722 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/10948228-extech-407744-94-db-sound-level-calibrator-1-khz-sine)

## Best For

- extech enthusiasts

## Why This Product

- Trusted extech brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Instant Feedback:** Get real-time updates every second for immediate results.
- • **Compact & Portable:** Lightweight design makes it easy to carry for on-the-go professionals.
- • **User-Friendly Design:** Non-contact measurements for hassle-free operation.
- • **Precision Measurement:** Achieve accurate sound calibration with a 94dB range.
- • **Versatile Compatibility:** Works seamlessly with both 0.5" and 1" microphones.

## Overview

The Extech 407744 is a high-performance sound calibrator designed for 0.5" and 1" microphones, delivering precise 94dB sound levels. Its non-contact measurement capability allows for easy operation, while the integral light beam ensures accurate readings from a distance of up to 6 inches. With updates every second, this device is perfect for professionals seeking reliable and immediate sound calibration.

## Description

Extech 407744 94 dB Sound Level Calibrator - 1 kHz Sine Wave for 0.5″ & 1″ Mics, ±0.5 dB Accuracy, Rugged Aluminum Housing, Battery-Test LED, IEC 60942 Certified

## Features

- Non-contact rpm measurements to 99,999rpm with integral light beam
- Make non-contact rpm measurements of rotating objects
- Use reflective tape on object to be measured and point the integral light beam
- Ideal measurement range up to 6-Inch (152mm) distance
- Readings updated every second

## Images

![Extech 407744 94 dB Sound Level Calibrator - 1 kHz Sine Wave for 0.5″ & 1″ Mics, ±0.5 dB Accuracy, Rugged Aluminum Housing, Battery-Test LED, IEC 60942 Certified - Image 1](https://m.media-amazon.com/images/I/71tqJkXE-+L.jpg)

## Available Options

This product comes in different **Style** options.

## Frequently Bought Together

- Extech 407744 94dB Sound Calibrator for 0.5" and 1" Microphones
- Extech SL400 Personal Noise Dosimeter with USB Interface

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**Shop now:** [https://www.desertcart.sg/products/10948228-extech-407744-94-db-sound-level-calibrator-1-khz-sine](https://www.desertcart.sg/products/10948228-extech-407744-94-db-sound-level-calibrator-1-khz-sine)

---

*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-02-15*