--- product_id: 98099823 title: "Smart Sensor AR844 Digital Sound Level Meter Noise Level Meter with Software 30~130dB 31.5HZ~8.5KHZ" brand: "graigar" price: "£131.84" currency: GBP in_stock: true url: https://www.desertcart.co.uk/products/98099823-smart-sensor-ar844-digital-sound-level-meter-noise-level-meter store_origin: GB region: United Kingdom --- # ±1.5dB accuracy 4700 data records 30~130dB range Smart Sensor AR844 Digital Sound Level Meter Noise Level Meter with Software 30~130dB 31.5HZ~8.5KHZ **Brand:** graigar **Price:** £131.84 **Availability:** ✅ In Stock ## Summary > 🔍 Measure the noise, master the environment — don’t let sound control you! ## Quick Answers - **What is this?** Smart Sensor AR844 Digital Sound Level Meter Noise Level Meter with Software 30~130dB 31.5HZ~8.5KHZ by graigar - **How much does it cost?** £131.84 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/98099823-smart-sensor-ar844-digital-sound-level-meter-noise-level-meter) ## Best For - graigar enthusiasts ## Why This Product - Trusted graigar brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Data-Driven Decisions:** Seamlessly connect via USB for real-time data sampling, analysis, and downloadable reports to stay ahead in noise management. - • **Smart Power Efficiency:** Auto power-off after 10 minutes of inactivity preserves battery life, so your device is ready when you are. - • **Dynamic Frequency Range:** Capture sound frequencies from 31.5Hz to 8.5kHz with A and C weighting for comprehensive acoustic profiling. - • **Precision You Can Trust:** Experience industry-grade accuracy within ±1.5dB across a broad 30 to 130dB range, ensuring reliable sound level monitoring every time. - • **Versatile Output Options:** Both AC and PWM signal outputs enable seamless integration with professional audio and monitoring systems. ## Overview The Smart Sensor AR844 Digital Sound Level Meter is a professional-grade noise measurement tool featuring a wide 30-130dB range, ±1.5dB accuracy, and a frequency response from 31.5Hz to 8.5kHz. It supports USB connectivity for real-time data analysis and downloading, stores up to 4700 data points, and offers both AC and PWM outputs. Designed for precision and convenience, it includes features like auto power-off, calendar function, and selectable speed rates, making it ideal for environmental noise monitoring and professional sound assessments. ## Description Color: WhiteMaterial: ABS PlasticMeasuring Range: 30~130 dBA 35~130 dBCAccuracy ±1.5dBFrequency range: 31.5Hz to 8.5K HzResolution 0.1dBFrequency weighting: A and CDigital Display4 digitsAnalogy bar graph 1dB or 1 bar graphSample rate 20 times / secondMicrophone1/2inch polarization capacitance microphoneStandardAccording to IEC651 TYPE 2 & ANSIS1.4 TYPE 2Dynamic range: 50dB/100dBLevel ranges: 30-80dB; 50-100dB; 60-110 dB; 80-130dBOverload indication OVER / UNDERAC signal output: 4Vrms/full bar graph, output impedance is about 600 ohmPWM signal output:Duty cycle=0.01xdb value/3.3 x 100%Dynamic characteristic:FAST (high speed)/ SLOW(low speed)Calendar accuracy +-30 seconds/dayData storage quantity 4700The maximum value holding MAXAuto Power Off V (after no operation for 10 minutes)Level Range Bar Graph VRange Selection 4 modesRange Over Indication / Battery Indication VBacklight Display / Max & Min Hold Function VExternal power supply VSelf calibration time: 10 secs(every turn on)Operating condition Temperature :0-40C ; Humidity: 10% to 80%RHStorage Condition Temperature: -10 to 60C ; Humidity: 10% to 70% RHPacking InformationPower 9V battery or DC 9V 100mAProduct Net Weight 147.50GProduct Size 67*30*183mmPacking Gift boxStandard Quantity Per Carton 12Standard Carton Size 52*33.5*47cmStandard Carton Gross Weight 12.84kgPacking Contents 1PC AR844 1pc user manual 1pc DC cable 1pc Gift box ## Features - AR844 sound level meter can connect with the PC through USB, provides data record downloading, read-time data sampling analysis, and printing graph & data function. - Auto power off 10 minute；Calendar function - Both AC and PWM signal output are available；4700 data record function - Accuracy up to +-1.5dB；Measurement range is 30 to 130dB - High /low speed rate selection ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | Graigar | | Part Number | AR844 | | Item Weight | 2.2 pounds | | Product Dimensions | 2.64 x 1.18 x 7.2 inches | | Is Discontinued By Manufacturer | No | | Material | Plastic | | Item Package Quantity | 1 | | Batteries Included? | No | | Batteries Required? | Yes | ## Images ![Smart Sensor AR844 Digital Sound Level Meter Noise Level Meter with Software 30~130dB 31.5HZ~8.5KHZ - Image 1](https://m.media-amazon.com/images/I/514peEKSQLL.jpg) ![Smart Sensor AR844 Digital Sound Level Meter Noise Level Meter with Software 30~130dB 31.5HZ~8.5KHZ - Image 2](https://m.media-amazon.com/images/I/41lkTvFkLqL.jpg) ![Smart Sensor AR844 Digital Sound Level Meter Noise Level Meter with Software 30~130dB 31.5HZ~8.5KHZ - Image 3](https://m.media-amazon.com/images/I/51aiACMArnL.jpg) ![Smart Sensor AR844 Digital Sound Level Meter Noise Level Meter with Software 30~130dB 31.5HZ~8.5KHZ - Image 4](https://m.media-amazon.com/images/I/51qkvMVgf+L.jpg) ![Smart Sensor AR844 Digital Sound Level Meter Noise Level Meter with Software 30~130dB 31.5HZ~8.5KHZ - Image 5](https://m.media-amazon.com/images/I/51JfjBfKcPL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/98099823-smart-sensor-ar844-digital-sound-level-meter-noise-level-meter](https://www.desertcart.co.uk/products/98099823-smart-sensor-ar844-digital-sound-level-meter-noise-level-meter) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-14*