Adeunis RF COMFORT Serenity User Manual

Lwm2m, nb-iot, lte-cat-m1

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User Guide | COMFORT SERENITY

LwM2M | NB-IoT / LTE-Cat-M1

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Summary of Contents for Adeunis RF COMFORT Serenity

Page 1 This User Guide applies to the following product: COMFORT SERENITY Reference : ARF8394AB APP Version: V1.2 INFORMATIONS DOCUMENT Title COMFORT Serenity LwM2M - User Guide Type User Guide Version 1.0.0 User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 2: Table Of Contents
2.2.1 Compatible networks and protocols 2.2.1 Data Consumption Estimation 2.3 RF specifications 2.4 Updates 2.5 Integrated sensor specifications 3. PRODUCT AUTONOMY 3.1. Battery Life Estimates in "OBSERVE" Mode 3.1.1 NB-IoT Network 3.1.2 LTE-Cat-M1 Network User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 3 8. DOCUMENT HISTORY ANNEX 1: LwM2M PROTOCOL Description of the LwM2M Protocol LwM2M Features Supported by the COMFORT Serenity Product and Limitations ANNEX 2: DATA MODEL OF THE COMFORT SERENITY PRODUCT Standardized Objects for the COMFORT Serenity Product Custom Objects for COMFORT Serenity Product...
Page 4: Product Overview
1. PRODUCT OVERVIEW 1.1. General description The Adeunis COMFORT Serenity is a ready-to-use IoT sensor that meets the needs of users for indoor monitoring of temperature, ambient humidity, carbon dioxide (CO2) concentration, and relative changes in volatile organic compounds (VOCs) levels. This product is also equipped with an NFC interface, which allows for quick and easy configuration with a smartphone.
Page 5: Features
Thermal comfort and indoor air quality data are transmitted via a cellular IoT network (NB-IoT or LTE- Cat-M1) to a server. No additional equipment (gateway, router, etc.) is required for data transmission. The COMFORT Serenity integrates the LwM2M (Lightweight Machine to Machine) standard, which enables users to achieve integration and maintenance savings, reduce deployment costs, strengthen sensor fleet security, and optimize product battery life.
Page 6: Package Contents
Made in France: Product designed and manufactured in France NOTE To address different use cases, the COMFORT Serenity product also supports the MQTT (Message Queuing Telemetry Transport) communication protocol. To use the product with the MQTT protocol, refer to the dedicated User Guide.
Page 7: Casing Presentation
1.4. Casing presentation User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 8: Dimensions
Product startup failure ON for 15 sec Network attachment Flashing 50 ms ON / 1 Flashing 50 ms ON / 1 process in progress sec OFF OFF sec OFF (after RED LED) User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 9 ON/OFF based on CO2 to the last measured CO2 concentration concentration concentration concentration level Temporary emission suspension (blackout period) Flashing 500 ms ON / Low battery level 500 ms OFF every 1 min User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 10: Power Supply
LED operating mode => Apply the new configuration to the product via NFC. 1.8. Power supply 1.8.1 Power source The COMFORT Serenity can be powered by a double-pack of FANSO Li-SOCl2 ER18505H-2 batteries or by an external power supply connected to a 2-pin terminal block (external power supply not provided).
Page 11: Low Battery Management
The red LED flashes every 60 seconds for 500 ms if the product's battery level is low. User Information through the NFC IoT Configurator application: Go to the "DIAGNOSTIC" section of the sensor to check the battery status as "OK" or "LOW User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 12: Changing The Double Battery Pack
1. Insert a flathead screwdriver tilted towards the front of the enclosure into the opening at the top and press. The enclosure will open in two and the front panel will detach. User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 13 2. Remove the current battery and replace it with the new one, making sure to observe the polarity indicated on the electronic board and the battery model. 3. To close the enclosure, insert the bottom of the front panel first and snap the top of the enclosure User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 14: Connecting The External Power Supply
1. Insert a flathead screwdriver tilted towards the front of the enclosure into the opening at the top and press. The enclosure will open in two and the front panel will detach User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 15 2. Connect the external power supply using the dedicated connector. 3. To close the enclosure, insert the bottom of the front panel first and snap the top of the enclosure User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 16: Technical Specifications
MQTT protocol) 2.2.1 Data Consumption Estimation This section presents data consumption estimates for the COMFORT Serenity based on the chosen communication mode and the frequency of data scanning and transmission. User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 17: Rf Specifications
B18, B19, B20, B25, B26, B28, Max Transmit Power +23 dBm +23 dBm Tx Bandwidth 200 kHz 1.4 Mhz Theoretical Data Rate 65 Kbps (UL) 30 kbps (DL) 375 kbps (UL) 300 kbps (DL) User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 18: Updates
0.05 ppm ethanol or < 10% of the Detection Limit set concentration value (whichever is greater) < ± 15 index points or < ± 15% of Sensor-to-Sensor Dispersion the measured value (whichever is greater) User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 19: Product Autonomy
Figure 1 : Temperature measurement accuracy 3. PRODUCT AUTONOMY This chapter presents estimates of the autonomy of COMFORT Serenity based on the selected network type, data transmission periodicity, LED activation, and network quality. To ensure proper product functioning and autonomy, Adeunis strongly recommends: Selecting an operator that supports PSM mode on its own network.
Page 20: Lte-Cat-M1 Network
Poor Network Autonomy Sampling period Transmission period (years) (years) Every 10 minutes Every 10 minutes Every hour (default Every hour (default product configuration) product configuration) Every 2 hours Every 2 hours 10.9 User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 21 The Orange LED lights up every 1 minute (20% of the time) The Red LED lights up every 1 minute (10% of the time). Disabling the LEDs can result in a gain of 7% to 20% in autonomy. User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 22: Battery Life Estimates In "Push" Mode
Poor Network Autonomy Sampling period Transmission period (years) (years) Every 10 minutes Every 10 minutes Every 10 minutes Every hour (historization) Every hour (default Every hour (default product configuration) product configuration) User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 23 Disabling the LEDs can result in a gain of 7% to 20% in autonomy. NOTE 3 - Optimizing Battery Life by Enabling a Blackout Period Configuring a blackout period for the main functions allows for optimizing the product's autonomy by 10% to 20%. User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 24: Psm Mode Support
3.3. PSM mode support The COMFORT Serenity product supports the PSM (Power Saving Mode). The main advantage of PSM mode is that it allows the product to operate for extended periods with reduced power consumption. The product periodically enters a prolonged inactive phase during which it is disconnected from the network.
Page 25: Product Setup
4.1 NFC IoT Configurator App NFC IoT Configurator is an Android application for mobile/tablet that allows configuring the network, server, and application parameters of the COMFORT Serenity product through an NFC interface. 1. Download the application for free from the Play Store https ://play.google.com/store/apps/details ?id=com.adeunis.nfcconfigurator...
Page 26 NFC antenna of the COMFORT Serenity product when performing a read/write operation. Once the read/write operation is complete, remember to move the smartphone away from the NFC antenna of the product.
Page 27: Product Operating Modes
2. Open the casing 3. Detach the electronic card from the front face of the casing 4. Carefully slide the metal cover from the "LOCK" position to the "OPEN" position User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 28 Make sure the product is in PARK mode when inserting or removing a SIM card. Inserting or removing the SIM card with the product powered on can damage it. NOTE Configuring a PIN code is not supported in the COMFORT Serenity product. User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 29: Using The "Quick Start" Function
RED LED CAUTION Ensure that the COMFORT Serenity product contains a Nano SIM card before using the "Quick Start" function. If the product fails to detect a SIM card during startup, the red LED will blink for 30 seconds, and the product will automatically return to PARC mode.
Page 30: Other Product Startup Modes
Section 5.2 "Cellular network-related parameter configuration" 4.5.1 Product startup via push button The startup via push button is performed by pressing and holding the side button of the product for more than 5 seconds. User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 31: Startup Of The Product Via Nfc Iot Configurator App
4.6 Network attachment 4.6.1 Startup Network Attachment and Configuration The product performs a network attachment phase at startup (when transitioning to PRODUCTION mode). User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 32 ATTENTION If the manually selected network is not accessible (not supported by the SIM card or no network coverage), then the product will not be attached to any network. User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 33: Monitoring Network Attachment Status
The LwM2M server can request the product to return network quality information. To do this, the user must trigger a READ operation from the server, which will return the current value of the following resources: User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 34: Specific Case Of Starting Without A Nano Sim
4.8 Specific Case of Starting without a Nano SIM It is possible to use the COMFORT Serenity product in "disconnected" mode, meaning without inserting a Nano SIM card. By activating this mode, the product will not connect to a cellular network and will not transmit its data to a remote server.
Page 35: Product Configuration
Some LwM2M server providers may require the use of a bootstrap LwM2M server. 5.1.1 Using a Bootstrap Service to Register the Product Bootstrap is a mechanism that allows the COMFORT Serenity product to securely register with an LwM2M server: Initialization on the product of the "required" objects to register with an LwM2M server via the "Write bootstrap"...
Page 36: Registering The Product On An Lwm2M Server Without Using A Bootstrap Service
LwM2M server side format) URI of the LwM2M server LwM2M Server URI (including the port) that the product To be specified by the user should communicate with User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 37: Configuration Of Cellular Network Parameters
5.2 Configuration of Cellular Network Parameters The COMFORT Serenity product needs to be connected to a network in order to transmit its data to an LwM2M server. The following table lists all the network parameters of the COMFORT Serenity product and their default values.
Page 38: Configuration Of Application Parameters
Configure the product => Apply the new configuration to the product via NFC. 5.3 Configuration of Application Parameters The COMFORT Serenity product can be configured to communicate with the LwM2M server in "OBSERVE" mode or "PUSH" mode. User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 39: Configuration Of Application Parameters In "Observe" Mode
5.3.1 Configuration of application parameters in "OBSERVE" mode 5.3.1.1 Configuration of the sampling interval The sampling interval determines how often the COMFORT Serenity product will retrieve the values of temperature, humidity, CO2 concentration, and relative change in VOC level inside a building.
Page 40 5.3.1.2 Transmission mode configuration The COMFORT Serenity product allows for the measurement of temperature, humidity, CO2, and VOC levels in a room, and sending the information using two transmission modes. Concrete use cases and examples of associated configurations are provided in the ANNEXES of the User Guide.
Page 41 Greater than This attribute defines a high threshold value Less than This attribute defines a low threshold value This attribute defines the minimum change value Step between 2 notifications User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 42 To prevent data loss in a degraded network quality context, the user can enable the "reliable notifications" option. This option ensures that notifications are properly received by the LwM2M server. Note: Enabling this option has an impact on product consumption. User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 43 Erasing the context backup via the NFC IoT Configurator application: Go to the sensor's "CONFIGURATION" menu => Select the "LwM2M Configuration" section => Configure the "LwM2M Context Erase" parameter => Apply the new configuration to the product via NFC. User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 44: Configuration Of Application Parameters In " Push " Mode
I want to manage alarms with hysteresis. 5.3.2.1 Sampling Interval Configuration The sampling interval determines the frequency at which the COMFORT Serenity product will retrieve the temperature, humidity, CO2 concentration, and relative change in VOC level inside a building. The default sampling interval is set to 60 minutes.
Page 45 5.3.2.2 Transmission Mode Configuration The COMFORT Serenity product can measure temperature, humidity, CO2, and VOC levels in a room and transmit the information using three emission modes. Concrete use cases and associated configuration examples are provided in the User Guide Annexes.
Page 46 The user can configure conditional operating rules of the type "if a condition is met, trigger an action" independently for temperature, humidity, CO2, and VOC data. These rules can be used to limit the number of transmissions made by the COMFORT Serenity product and increase its lifespan.
Page 47 Examples of threshold configurations are provided in ANNEXES 6 and 7 5.3.2.3 Configuration of VOC Sensor Activation/Deactivation The VOC sensor can be activated or deactivated by the user. Once the VOC sensor is activated/deactivated, the product will automatically restart. User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 48 5.3.2.4 Configuration of a blackout period The COMFORT Serenity product allows the user to define a period during which the product will not send any notifications. This allows for optimizing the product's autonomy, saving message sending and data processing costs during a period when no analysis is required (e.g., during the night).
Page 49: Factory Reset
SERENITY duration 5.4 Factory Reset The COMFORT Serenity product can be restored to its default settings using the NFC IoT Configurator application. To restore factory settings via the NFC IoT Configurator application, go to the secondary menu at the top of the "CONFIGURATION" menu => Select the action "Restore Default Configuration"...
Page 50: Remote Update
The user needs to contact the Adeunis support team to obtain the firmware update file(s) and use an LwM2M server to download the firmware to the COMFORT Serenity product using the COAP protocol. Step 1 Perform the download of an update by writing to the "Package"...
Page 51: Installation
The product should be installed using 2 CBLZ 2.2 x 19mm screws and 2 SX4 anchors. Use these products or equivalent ones to secure your product to a flat surface. User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 52: Product Installation Recommendations
The top face of the product (allowing access to the enclosure) should be accessible with a screwdriver. Do not position it against a ceiling or under an object, as this may prevent opening the enclosure. User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 53: Document History
Creation ANNEX 1: LwM2M PROTOCOL The COMFORT Serenity product can be configured to use one of the following two protocols to exchange data with an IoT platform: MQTT or LwM2M. Adeunis recommends the use of the LwM2M protocol as it is the ONLY protocol that minimizes the consumption of the COMFORT Serenity product and ensures remote operational management.
Page 54: Description Of The Lwm2M Protocol
LwM2M Features Supported by the COMFORT Serenity Product and Limitations The COMFORT Serenity product is compatible with the LwM2M 1.1 standard (over UDP). The COMFORT Serenity product exposes publicly defined standard profiles by OMA or standardization organizations for the four physical quantities of its onboard sensors (Temperature, Humidity, CO2, VOC), for managing network parameters and product-related parameters.
Page 55: Annex 2: Data Model Of The Comfort Serenity Product
Standardized Objects for the COMFORT Serenity Product The COMFORT Serenity product exposes standard profiles for the four physical quantities of its onboard sensors (Temperature, Humidity, CO2, VOC), as well as for managing network parameters and product-related parameters.
Page 56: Object Format
String, Integer, Float, Boolean, Opaque, Time, Objlnk none Range Specification of valid values for the resource Unit Units in which a numerical value is given Description Detailed description of the resource User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 57: Annex 3: Single Transmission In Observe Mode
The LwM2M server can request the product to return the last known value of temperature, humidity, CO2 level, or VOCT level. Block Diagram The single transmission is performed according to the following block diagram Object Name Resource Name Access Type Unit User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 58: Read A Value - Read Operation
OBSERVE operation on the corresponding resource. Block Diagram The periodic transmission is performed according to the following block diagram User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 59: Configure Application Parameters
604800 seconds (7 SERENITY period humidity, CO2, and days) VOCT values The scanning interval must be the same for all 4 ambient data measured by the product to optimize the product's autonomy. User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 60 The observation parameters for the "Sensor Value" attribute do not need to be configured for periodic transmission. The COMFORT Serenity product will automatically notify the server of new values after each sampling.
Page 61 Maximum number of samples per message : 144 Block Diagram The periodic transmission is performed according to the following block diagram User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 62 These parameters can be configured via the NFC IoT configurator application or the LwM2M server. For a transmission without history, it is sufficient to configure the transmission frequency to be equal to the sensor sampling frequency. User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 63 => Configure the transmission period to 3600 seconds => Apply the new configuration to the product via NFC. Configuration via a LwM2M server Object Name Resource Name Access Type Unit Description User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 64 Only the value exceeding the threshold is transmitted to the server. Block Diagram The transmission on threshold exceeding is performed according to the following block diagram User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 65 User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 66 There are no alarms for humidity and VOC. Configuration of Applicable Parameters to Use Parameters Unit Value Description PUSH Mode Enabled No periodic transmission PUSH Mode Seconds of T+H+CO2+VOC Transmission Frequency values User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 67 1300 ppm and the hysteresis to 30 ppm => Go to the "APPLICATION" section => Check the threshold status. => Apply the new configuration to the product using NFC. User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 68 THRESHOLD EXCEEDANCE IN PUSH MODE The product allows for periodic measurement of temperature, humidity, CO2 level, and relative change in volatile organic compounds (VOC), and sends this information to a server at regular intervals. User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 69 Only the exceeded value is transmitted to the server. Block diagram Periodic Transmission and Threshold Exceedance are implemented according to the following diagram: User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 70 The product measures temperature, humidity, CO2 concentration, and relative change in volatile organic compounds synchronously every 30 minutes and saves the information. The product performs 8 backups and transmits them every 4 hours. User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 71 °C the temperature alarm is Threshold Detection 24°C Hysteresis °C Hysteresis value is 2°C Humidity Alarm Mode Disabled Humidity alarm disabled Activation VOC Alarm Mode Disabled VOC alarm disabled Activation User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 72 2 = activate high 34451/0/18 SERENITY Alarme threshold COMFORT Temperature : 34451/0/19 °C SERENITY high threshold Temperature : COMFORT 34451/0/21 threshold °C SERENITY hystérésis COMFORT Temperature : 2 = activate high 34451/0/22 SERENITY enable alarm threshold User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 73 3 = for CO2 4 = for VOC sensor ANNEX 8: CONFIGURING A BLACKOUT PERIOD The COMFORT Serenity product allows the user to define a period during which the product will no longer perform periodic transmissions. This blackout period is configurable only in PUSH mode.
Page 74 => Select the "APPLICATION" section => Configure the "Blackout Period of the main functions" to 10 hours and the "Blackout Start Time" to 20:00 (8:00 PM) => Apply the new configuration to the product via NFC. User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 75 ANNEX 9: CO2 SENSOR USAGE CO2 Sensor Maintenance The COMFORT Serenity sensor requires no maintenance if the following calibration criteria are met: Automatic calibration is enabled and the area is regularly ventilated. Manual calibration is performed at least every 6 months with "fresh" air, which is equivalent to 400 ppm (outdoors, sheltered from wind and sunlight, or in a ventilated room for a minimum of 20 consecutive minutes).
Page 76 Automatic calibration is not disabled if a period of main functions shutdown is activated. If necessary, this calibration period can be customized via the LWM2M server or the NFC IoT Configurator application to better adapt to the building's usage. User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 77 There are three options to do this: Trigger manual calibration via button press Trigger manual calibration via the NFC IoT configurator application Perform manual calibration operation via an LwM2M server CAUTION User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 78 Perform manual calibration by executing the "Activate calibration" resource of the CUSTOM COMFORT Serenity object. Configuration of automatic calibration via a LwM2M server Object Name Resource Name Access Type Unit Description COMFORT Activate Start a /34451/0/8 SERENITY calibration calibration User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 79 Schedule manual calibration by modifying the value of the "Calibration date" resource of the CUSTOM COMFORT Serenity object. Object Name Resource Name Access Type Unit Description COMFORT CO2: Calibration Date of the next /34451/0/9 SERENITY date calibration User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 80 Red: every minute The number of LED blinks and the frequency of each LED's visualization can be configured by the user through the NFC IoT Configurator application or an LwM2M server. User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 81 The visual indicator for CO2 concentration can be disabled via the NFC IoT Configurator app. NOTE If a blackout period is activated in the sensor, the LEDs are disabled during that period. User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 82 If the CO2 scanning frequency configured in the product is greater than 1 hour, the ICONE index calculation will be less accurate and more pessimistic than the actual situation. Retrieving the ICONE Index via an LwM2M server User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...
Page 83 ANNEX 10: USE OF THE VOC SENSOR Detection Method The COMFORT Serenity product incorporates an MOX gas sensor that is sensitive to a wide range of VOCs typically found in buildings. This VOC sensor requires no maintenance. The product monitors the VOC level and reports it as an index. This detection method does not distinguish between different volatile compounds measured in a room but provides information about relative changes.
Page 84 90 minutes. Any measurement taken before this 90-minute period will not be reliable and should be ignored by the user. Afterward, the VOC sensor is ready to operate normally. User Guide | COMFORT SERENITY LwM2M | NB-IoT / LTE-Cat-M1ca...

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