Ranos dB 1

Same as Ranos dB 2, but more accurate (Class 1, currently waiting on IEC 61672 certifcation).

 2.249

 2.249

Ships in 1 business day

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Product Description

Measure Class 1 noise all over the world with the Ranos dB 1

The flagship of Dutch Sensor Systems, our Ranos dB in a Class 1 and a Class 2 version. The dB 1 is powered by a solar panel, works fully autonomously and has LoRa connectivity. That is why you can use this state-of-the-art device anywhere in the world. The housing is made of recyclable HIPS material and is completely waterproof.

The characteristics of the Ranos dB 1

  • Ranos dB 1 that meets the class-1 requirements of the IEC standard;
  • Detachable microphone that can be mounted at any desired location;
  • Dynamic range of 33 – 121 dB and a DSP sample rate of 48 kHz;
  • Lightweight housing with a dry interior;
  • Equipped with a solar panel, has LoRa connectivity and works 100% autonomously;
  • Easy to operate from any cloud platform;
  • Has GPS on board and works according to the Android app;
  • Data visualization via DSS data platform that seamlessly integrates with the Ranos dB.

IEC 61672 standard

The Ranos dB 1 meets the Class 1 requirements of the IEC standard. The Class 1 version reaches the highest accuracy thanks to an additional calibration performed across the entire frequency range. This is turned into a so-called FIR, which is uploaded via the DSS Connect app.

Electret condenser microphone

The microphone is detachable and can be mounted at any desired location. Optionally, a 1.5 meter, 3.0 meter and 5.0 meter microphone extension cable is available. The microphone type is an “electret condenser microphone” and the directivity is omni-directional.

Audio performance

If you use the Ranos dB 1, you will soon notice that the audio performance is very high. The dB 1 has a dynamic range of 33 – 121 dB and a DSP sample rate of 48 kHz. You can measure the following entities: LAeq, LCeq, dB (A) fast, dB (A) slow, dB (C) fast, dB (C) slow. The time weighting is fast, slow and Leq. In addition, the measurements interval can be customized via the app or the cloud.

Sustainable housing

Highly rigid and using plastic HIPS, the housing is lightweight and quite suitable for years of intensive use. HIPS (High Impact PolyStyrene) has a fire retardant effect. This is an absolute requirement because a lead battery is used as a backup.

Water-resistant

We also made sure the interior is water-resistant, with venting holes in the housing exterior. While gas and moisture can escape through the valves, no moisture can enter. This way, the PCB will consistently operate in an optimally dry environment. Should any of the components or glands allow moisture to pass through over time, the bottom plate valve ensures any moisture is drained off.

  • The microphone can be easily unscrewed. The recess has an on / off button and a USB port to connect the smartphone (an app).
  • The housing has a lid on one side. The user manual explains how to remove the cover. The interior contains the PCB, the cabling and the lead battery.
  • The dB 1 can be attached to a pole or lamppost. We also supply a wall mount and a pole clamp for this. The dB 1 can be placed anywhere (table top).
  • Outdoor (IP67)

Solar-powered

The Ranos dB 2 has a highly efficient use of energy and the size of the solar panel adapts to its consumption. Sometimes, the measuring process uses more energy than the solar panel generates. For instance, when days are short and sunlight is scarce. Should this happen, energy consumption can be reduced by changing the settings via a downlink or via the app. One option is to lower the frequency of measurement messages sent using the LoRa network.

Lead battery

Whenever no solar power is available, the Ranos dB 1 uses a lead battery. We use a lead battery because this type of battery also performs well at lower temperatures. In addition, this type is readily available and affordable in most countries.

LoRa network

The Ranos dB 1 communicates via LoRa. We can deliver to all LoRa (frequency) regions in the world. The device is suitable for LoRaWAN Class C networks, allowing the cloud server to send direct and undelayed messages to the Ranos dB 1. This enables continuous adjustability of measurement settings, characteristics and network configurations.

Uplink and Downlink

The Ranos dB 1 can send uplinks as well as receive downlinks and is therefore very easy to operate from any cloud platform. Do you wish to set how often you receive certain measurements? No problem! You can also switch the GPS on and off. Refer to the DSS Connect App manual to find out exactly how this works and which settings are available.

DSS Connect App

You can connect the Ranos dB 1 to your Android smartphone or tablet with the included USB cable. The Android app will open automatically. In the app, you can create an account and register the Ranos dB 1. The app recognizes the dB 1 by its unique serial number. You can then enter the LoRa keys and send them to the device. The app itself checks whether the Ranos dB has the most recent firmware version installed and uploads and installs the firmware after you have given permission. For Class 1, the app is used to upload the FIR to the sensor in order to get a frequency response complying with IEC Standard Class 1 requirements.

Under Support you will find the user manual of the DSS Connect App with a full description of the possibilities and options. The app can be downloaded from Google Play.

GPS on board

The Ranos dB 1 has GPS on board. Geolocation can be useful if the device is used in different locations and you would like to know where it was installed. The GPS can also be used for synchronizing the internal clock. For noise measurements, the time must be sent directly with the measured values. The use of GPS can be set in the Android app.

Payload description

We deliver a complete package with all information about how to integrate the Ranos dB 1 with your own dashboard environment. The package consists of a parser for code testing and a sample code in Javascript.

Data visualization

DSS has its own data platform that integrates seamlessly with the Ranos dB 2. This is available for three months starting from the date of purchase. In addition, we offer an integration with Datacake and we can assist you in displaying the data in any desired IoT platform.

Support

We are here to help you! The quickest way to get you up and running again is contacting us online or checking the Support page on the website. The device’s modular structure allows for easy replacement, which is part of the service we provide.

Key features
Certified Class 1 according to IEC 61672
LoRaWAN™ compliant
EU868, US915, AS923
Detachable microphone
ublox GPS
Time sync
Solar powered
Outdoor (IP67)
CE mark
DSS Connect App
Adds
Mounting option 1 Pole clamp
Mounting option 2 Wall bracket
Mounting option 3 Table top
Mic cable extender 1 1.50 m
Mic cable extender 2 3.00 m
Mic cable extender 3 5.00 m
Mic extender Mic. extender
Power 1 Solar
Power 2 USB
Power 3
Power and communication cable (included)
USB C male to USB B male
Audio
Frequency range 20 Hz – 20 kHz
Frequency weighting A and C weighting
Time weighting Fast, slow, Leq
Dynamic range 33 – 121 dB
Measurements units LAeq, LCeq, dB(A)fast, dB(A)slow, dB(C)fast, dB(C)slow
Measurements interval Adjustable
DSP sample rate 48 kHz
IEC 61672
Certified Class 1 according to IEC 61672
Class Class 1
Microphone type
Electret condenser microphone
Microphone directivity Omnidirectional
Microphone fixation Detachable
Calibration frequency response Calibrated frequency response / Finite Impulse Response (FIR)
Radio
Network
LoRaWAN™ compliant
Frequency band
EU868, US915, AS923
Class Class C
RF Module
Microchip RN2483
Antenna Integrated
LoRa keys
DSS Connect App
Attribute
GPS u-blox M8 GNSS
Geolocation Lat, lon
Software licence Full
Power
Outdoor Solar
Indoor 5V DC USB-B
Effective rated power 170 mW
Battery type Sealed Lead Acid
Charge regulator Yes
Dimensions
Case material HIPS UL94-V0
IP Rating IP67
Weight 4350 gram
Depth 252 mm
Width 246 mm
Height 193 mm
Volume 6,8 dm³
Surface 0.23 m²
Operation temperature -10 ~ +60 ℃
Operation humidity
0 ~ 95%RH, Non-condensing
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