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R718A
Model：
Wireless Temperature and Humidity Sensor for
Low Temperature Environment
Wireless Temperature and Humidity Sensor
for
Low Temperature Environment
R718A
User Manual
Copyright© Netvox Technology Co., Ltd.
This document contains proprietary technical information which is the property of
NETVOX Technology. It shall be maintained in strict confidence and shall not be
disclosed to other parties, in whole or in part, without written permission of NETVOX
Technology. The specifications are subject to change without prior notice
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Summary of Contents for netvox R718A
- Page 1 This document contains proprietary technical information which is the property of NETVOX Technology. It shall be maintained in strict confidence and shall not be disclosed to other parties, in whole or in part, without written permission of NETVOX Technology. The specifications are subject to change without prior notice...
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Page 2: Table Of Contents
Table of Content 1. Introduction ........................2 2. Appearance ........................2 3. Main Features ........................3 4. Set up Instruction ....................... 4 5. Data Report ........................5 6. Installation ......................... 9 7. Information about Battery Passivation ................12 7.1 To determine whether a battery requires activation ..........12 7.2 How to activate the battery .................. -
Page 3: Introduction
1. Introduction R718A, mainly used to detect the temperature and humidity at low temperature environment such as freezer air. It collects data over LoRa network and sends it to devices to be shown, fully compatible with LoRa protocol. LoRa Wireless Technology: LoRa is a wireless communication technology dedicated to long distance and low power consumption. -
Page 4: Main Features
⚫ Improved power management for longer battery life ⚫ Battery Life: ⁻ Please refer to web: http://www.netvox.com.tw/electric/electric_calc.html ⁻ At this website, users can find battery life time for variety models at different configurations. 1. Actual range may vary depending on environment. -
Page 5: Set Up Instruction
4. Set up Instruction On/Off Power on Insert batteries. (users may need a flat blade screwdriver to open) Turn on Press and hold the function key for 3 seconds till the green indicator flashes once. Turn off Press and hold the function key for 5 seconds till green indicator flashes for 20 (Restore to factory setting) times. -
Page 6: Data Report
The device report interval will be programmed based on the default firmware which may vary. The interval between two reports must be the minimum time. Please refer Netvox LoRaWAN Application Command document and Netvox Lora Command Resolver http://www.netvox.com.cn:8888/page/index to resolve uplink data. - Page 7 Change Change Change 0x01 ReportReq (2bytes Unit:s) (2bytesUnit:s) (1byte (2byte (2byte Unit:0.1v) Unit:0.01℃) Unit:0.01%) Config Status Reserved 0x81 ReportRsp R718A (0x00_success) (8Bytes,Fixed 0x00) 0x0B ReadConfig Reserved 0x02 ReportReq (9Bytes,Fixed 0x00) Battery Temperature Humidity ReadConfig MinTime MaxTime Change Change Change 0x82...
- Page 8 Example for MinTime/MaxTime logic: Example#1 based on MinTime = 1 Hour, MaxTime= 1 Hour, Reportable Change i.e. BatteryVoltageChange=0.1V MaxTime MaxTime Sleeping(MinTime) Sleeping(MinTime) Wake up and collects data Wakes up and collects data Wakes up and collects data REPORTS 3.6V REPORTS 3.6V REPORTS 3.6V Note: MaxTime=MinTime.
- Page 9 Example#3 based on MinTime = 15 Minutes, MaxTime= 1 Hour, Reportable Change i.e. BatteryVoltageChange= 0.1V. MaxTime Users push the button, Wakes up and collects data REPORTS 3.5V. 3.5V |3.5-3.6|=0.1 Wakes up and Recalculate MaxTime. REPORTS 3.5V collects data 3.5V Does not report sleeping sleeping 1H 10...
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Page 10: Installation
6. Installation 1.The Wireless Temperature and Humidity 3. Installation height recommendation:1-2 m Sensor (R718A) has a built-in magnet (see Figure 1 4. Installation ambient temperature: -40C° ~ 55°C below). When installed, it can be attached to the 5. Installation direction recommendation: The... - Page 11 Battery installation steps Please replace the battery by a professional The device must use 2 sections of ER14505 battery (3.6v/section) Step 1 Unscrew the four corners of the device with a screwdriver, as shown in the red circle below. Step 2 Put the batteries into the battery bay of the device and note the positive and negative poles of the battery, please do not insert the battery reversely.
- Page 12 Step 3 After inserting the batteries, put the lid back on and tighten the four screws. Note: Please do not disassemble the device unless it is required to replace the batteries. Do not touch the waterproof gasket, LED indicator light, function keys when replacing the batteries. Please use suitable screwdriver to tighten the screws (if using an electric screwdriver, it is recommended to set the torque as 4kgf) to ensure the device is impermeable.
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Page 13: Information About Battery Passivation
7. 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 14: Important Maintenance Instruction
8. Important Maintenance Instruction Kindly pay attention to the following in order to achieve the best maintenance of the product: • Keep the device dry. Rain, moisture, or any liquid, might contain minerals and thus corrode electronic circuits. If the device gets wet, please dry it completely. •...
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