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Milesight WS302 LoRaWAN Sound Level Sensor Milesight IOT (Ursalink)

$ 49,50

SKU: mode_7716797317356 Category: LoRaWAN Tags: IQFLOW LoRaWAN, LoRa IoT, Voice-Sound

Description
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Milesight WS302 LoRaWAN Sound Level Sensor

WS302 is an advanced LoRaWAN^® Sensor for monitoring noise/sound level in decibels (dB) with ease.

30 to 120 dBA Measurement Range
± 3 dB Accuracy; 0.1 dB Resolution
A-Weighting, C-Weighting & Fast-Time Weighting
Measurement Unit: SPL Actual, Leq, and Lmax
Accurate Sound Level Measurement
LED Alarm Indicator
1.5~4 Years Battery Life
Easy Configuration (Via NFC)

A & C Weighting as Needed

Choose A-weighting or C-weighting based on scenarios. Usually, A-weighting is appropriate for quiet environments while C-weighting is for noisy environments.

Fast-Time Weighting

Fast-time weighting uses a time constant of 125 milliseconds for measuring unstable noise with large fluctuations.

Fast weighting is turned off by default. When turned on, battery life will be shortened.

More Sound Levels for more Insight

Support reporting of three sound level values (maximum sound level, sound pressure level, and equivalent continuous sound level) based on different weighting methods.

Specifications

Wireless Transmission	Technology	LoRaWAN^®
	Frequency	CN470/IN865/RU864/EU868/US915/AU915/KR920/AS923-1&2&3&4
	Tx Power	16 dBm (868 MHz)/22 dBm (915 MHz)/19 dBm (470 MHz)
	Sensitivity	-137 dBm @300bps
	Mode	OTAA/ABP Class A
Measurement	Range	30 dBA to 120 dBA, 35 dBC to 120 dBC
	Accuracy	± 3 dB (0°C to +45°C)
	Resolution	0.1 dB
	Frequency Range	30 Hz to 8 kHz
	Frequency Weighting	A and C Weighting (Software Switchable)
	Time Weighting	Fast Weighting
	Measurement Unit	SPL Actual, Leq, Lmax
Others	Configuration	NFC
	Button	1 × Power/Reset Button
	LED	1 × Status/Alarm Indicator
Physical Characteristics	Power Supply	2 × 2700 mAh ER14505 Li-SOCl2 Replaceable Batteries
	Operating Temperature	-20°C to +60°C
	Relative Humidity	≤95% (Non-condensing)
	Ingress Protection	IP30
	Dimension	68 × 65 × 20.5 mm (2.68 × 2.56 × 0.81 in)
	Material & Color	PC+ABS, White
	Installation	On the flat surfaces with screws or 3M tapes

WS302 Datasheet

WS302 User Guide

Fast Shipping and Professional Packing

Through our long-term relationship in a long-standing partnership with UPS, FedEx, DHL and many other top global carriers we can provide a variety of shipping options. Our warehouse employees will pack every item to our exacting specifications. The goods you send us are checked thoroughly and secured properly prior to shipping. Everyday we deliver thousands of packages to customers across many countries. The fact that we're committed to becoming the biggest online retailer in the world is clear. Both Europe as well as the USA have warehouses and distribution centres.

Orders that contain more than one item are assigned processing times in accordance with the item.

We will inspect each and every one of the items ordered before shipping. Today, most orders will be shipped within 48 hours. The delivery time should be between 3-7 days.

Returns

The stock market is always changing. It's not entirely managed by us, since we have multiple organizations, such as the factory and our storage. Stock levels can fluctuate at any given time. Please understand it may happen that your order will be out of stock after the order is placed.

The policy is for 30 days. If you have passed 30 days in the past since you purchased, unfortunately we can't offer you a refund or exchange.

To be eligible for a refund, your item must be in good condition and in the same state that you received it. The item must be in the original packaging.