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R718B-Wireless Resistance Temperature Detector

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R718B connects an external resistance temperature detector (PT1000) to measures the temperature.

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R718B connects an external resistance temperature detector (PT1000) to measures the temperature.

• Adopt SX1276 LoRa wireless communication module
• 2 ER14505 battery AA SIZE (3.6V / section) parallel power supply
• PT1000 Platinum resistance temperature sensor detection
• The base is attached with a magnet that can be attached to a ferromagnetic material object
• Protection class IP65 / IP67 (optional)
• Compatible with LoRaWANTM Class A
• Frequency hopping spread spectrum
• Configuration parameters can be configured via a third-party software platform, data can be read and alerts can be set via SMS text and email (optional)
• Applicable to third-party platforms: Actility/ThingPark, TTN, MyDevices/Cayenne
• 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 of various models in different configurations.

Electric:

Input Power

2 x 3.6V ER14505 AA size lithium batteries

Operating Voltage Range

3.1v - 3.65v

Standby Current

23uA

Wakeup Current

9.94mA (Typical value)
Wakeup current range 0.8mA-20 mA0.8mA-20mA
* When not transmitting /receiving LoRa data

Receiving Current (max)

11mA@3.3V

Transmitting Current (max)

120mA/3.3V

Battery Voltage Measurement Accuracy

±0.1V

Low Voltage Threshold

3.2V

Temperature Measurement Range

-40 to 200°C

Temperature Measurement Accuracy

The host body and the external PT1000 are in the same temperature range:
Temperature Range: 0℃ ≤ t ≤ 55℃, Accuracy: ±0.5℃

The host body and the external PT1000 are in different temperature ranges:
Temperature Range T1: 0℃ ≤ T1 ≤ 55℃ (Host body)
Temperature Range T2: -40℃ ≤ T2 < 0℃ (PT1000)
Accuracy: ±{(0.15 + 0.002*|T2|)+1}℃

Temperature Range T1: 0℃ ≤ T1 ≤ 55℃ (Host body)
Temperature Range T2: 55℃ < T2 ≤ 200℃ (PT1000)
Accuracy: ±{(0.15 + 0.002*|T2|)+0.3}℃
* t, T1, T2 refers to temperature

Lead Length

2m (default)

Probe Specifications

1: Probe diameter 5mm, needle probe 15cm (316 stainless steel)
2: Probe diameter 5mm, round head probe 15cm (316 stainless steel)
3: Probe diameter 5mm* length 100+60mm L-type probe (316 stainless steel)
Choose one of the above probe specifications.


Frequency:

Frequency Range

863MHz-928MHz 470MHz-510MHz

TX Power

US915 20dbm;
AS923 16dbm;
AU915 20dbm;
CN470 19.15dbm;
EU868 16dbm;
KR920 14dbm;
IN865 20dbm;

Receiving Sensitivity

-136dBm(LoRa,Spreading Factor=12,Bit Rate=293bps );
-121dBm (FSK,Frequency deviation=5kHz, Bit Rate=1.2kbps)

Antenna Type

Built-in antenna

Communication Distance

Up to 10 km
(visible linear obstacle-free transmission distance , actual transmission distance depends on the environment )

Data Transfer Rate

LoRa: 0.3kbps~50kbps
FSK: 1.2kbps~300kbps

Modulation

LoRa/FSK (Note: You can choose one of them)

Supportable LoRaWAN Band

EU863-870,US902-928,AU915-928,KR920-923,AS923-1,AS923-2,AS923-3,
IN865-867,CN470-510

(Note: The frequency band is optional and needs to be configured before shipment)


Physical:

Dimension

Main Part: L: 112mm*W: 88.19mm*H: 32mm

Weight

141g

Environment Temperature Range

-20℃ ~ 55℃

Environment Humidity Range

<90% RH (No condensation)