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netvox R720A User Manual

Wireless temperature and humidity sensor for low temperature environment
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R720A
Wireless Temperature and Humidity Sensor for Low Temperature Environment
Wireless Temperature and Humidity Sensor
for Low Temperature Environment
R720A
User Manual

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Summary of Contents for netvox R720A

  • Page 1 R720A Wireless Temperature and Humidity Sensor for Low Temperature Environment Wireless Temperature and Humidity Sensor for Low Temperature Environment R720A User Manual...

  • Page 2: Table Of Contents

    Table of Content 1. Introduction ............................. 2 2. Appearance ............................2 3. Main Features ..........................2 4. Set up Instruction ..........................3 5. Data Report ............................. 5 6. Control Command ........................... 6 7. Example Application ........................8 8. Installation ............................9 9.

  • Page 3: Introduction

    Introduction R720A is a long-distance wireless temperature and humidity device for Netvox Class A type equipment based on LoRaWAN open protocol, compatible with LoRaWAN protocol. LoRa Wireless Technology: LoRa is a wireless communication technology dedicated to long distance and low power consumption. Compared with other communication methods, LoRa spread spectrum modulation method greatly increases to expand the communication distance.

  • Page 4: Set Up Instruction

    ⚫ Low power consumption and long battery life Note: Battery life is determined by the sensor reporting frequency and other variables, please refer to http://www.netvox.com.tw/electric/electric_calc.html On this website, users can find battery life time for varied models at different configurations. 4.Set up Instruction On/Off Insert batteries.
  • Page 5 First two mins: wake up every 15 seconds to send request. After two mins: enter sleeping mode and wake up every 15 minutes to send request. Fail to join the network Note: Suggest to remove batteries if the device is not used to save power. (when the device is on) Suggest to check the device verification information on the gateway or consult your platform server provider.

  • Page 6: Data Report

    Note: The device data reporting cycle is configurated before shipment . The interval between two reports must be the minimum time R720A default Max Interval = 15min, Min Interval = 15min (if there is special custom shipment, the setting is changed according to customer requirements) Please refer Netvox LoRaWAN Application Command document and Netvox Lora Command Resolver http://cmddoc.netvoxcloud.com/cmddoc...

  • Page 7: Control Command

    0x01 (2bytes (2bytes (1byte ReportReq (2byte Unit:0.01℃) Unit:s) Unit:s) Unit:0.1v) Unit:0.01%） Status Config Reserved 0x81 (0x00_su ReportRsp (8Bytes,Fixed 0x00) ccess) R720A 0x6E ReadConfi Reserved 0x02 (9Bytes,Fixed 0x00) ReportReq ReadConfi MinTime MaxTime BatteryChange HumidityChange TemperatureChange （2byte 0x82 (2bytes (2bytes (1byte (2byte Unit:0.01℃)
  • Page 8 （2）Read Configuration: Downlink： 026E000000000000000000 Response： 826E003C003C0100640064（Current configuration） Example#1 based on MinTime = 1 Hour, MaxTime= 1 Hour, Reportable Change i.e. BatteryVoltageChange=0.1V Note: MaxTime=MinTime. Data will only be report according to MaxTime (MinTime) duration regardless BtteryVoltageChange value. Example#2 based on MinTime = 15 Minutes, MaxTime= 1 Hour, Reportable Change i.e. BatteryVoltageChange= 0.1V. Example#3 based on MinTime = 15 Minutes, MaxTime= 1 Hour, Reportable Change i.e.

  • Page 9: Example Application

    , and the active threshold can be set to 110m/s , and the static threshold is 104m/s . The specific configuration needs to be based on actual conditions. The configuration of the active threshold and the static threshold can be found in the Netvox LoRaWAN Application Command V1.8.6 document.

  • Page 10: Installation

    Note: To install the battery, use a screwdriver or similar tool to assist in opening the battery cover. 1. The temperature and humidity sensor (R720A) has a 2. The temperature and humidity sensor detects the built-in magnet (as shown by the dotted line in the figure temperature (or humidity) according to Min Time.

  • Page 11: Information About Battery Passivation

    9. Information about Battery Passivation Many of Netvox devices are powered by 3.6V ER14505 Li-SOCl2 (lithium-thionyl chloride) batteries that offer many advantages including low self-discharge rate and high energy density. However, primary lithium batteries like Li-SOCl2 batteries will form a passivation layer as a reaction between the lithium anode and thionyl chloride if they are in storage for a long time or if the storage temperature is too high.

  • Page 12: Important Maintenance Instruction

    10. Important Maintenance Instruction Your device is a product of superior design and craftsmanship and should be used with care. The following suggestions will help you use the warranty service effectively. • Keep the equipment dry. Rain, moisture, and various liquids or moisture may contain minerals that can corrode electronic circuits.

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