Logo  
 中文    

   

  • Home
  • R718IJK-Wireless Multi-Sensor Interface for 0-24V ADC, Dry Contact and 4-20mA Sensors

Image

Click on above image to view full picture

R718IJK-Wireless Multi-Sensor Interface for 0-24V ADC, Dry Contact and 4-20mA Sensors

   

This device is used for detecting 4mA-20mA signal, 0-24V DC ADC samples and dry contact features which employs SX1276 wireless communication module . R718IJK can detect 4mA-20mA signal, 0-24V DC ADC sampling signal and dry contact input signal, and send the detection signal data to the gateway, and display the collected data in the monitoring platform.

Be the first to review this product

This device is used for detecting 4mA-20mA signal, 0-24V DC ADC samples and dry contact features which employs SX1276 wireless communication module . R718IJK can detect 4mA-20mA signal, 0-24V DC ADC sampling signal and dry contact input signal, and send the detection signal data to the gateway, and display the collected data in the monitoring platform.

  • Using SX1276 wireless communication module       
  • 2 ER14505 batteries AA SIZE (3.6V / section) power supply in parallel       
  • Protection grade IP65       
  • The base is equipped with a magnet, which can be attracted to iron objects       
  • 4mA-20mA signal detection       
  • Dry contact       
0-24V ADC detection (the red wire is connected to the positive 24V, the black wire is connected to the negative GND , be careful not to be reversed.)
Electric:

Power supply

2 ER14505 lithium batteries
(3.6 V, 2400mAh / section) in parallel

Battery life

Battery life of 5 years (condition: ambient temperature 25 ℃, report once every 15min, txpower = 20dBm, LoRa spreading factor SF = 10)

Sleep current

22.7 uA

Wake-up current

6.3mA @ 3.3V

RF receiving current

11 mA @ 3.3V

RF emission current

120mA @ 3 .3 V

Battery measurement  accuracy

± 0.1V

* Specific electrical characteristics will vary depending on the power supply voltage


Frequency:

Frequency range

863MHz-928MHz   470MHz-510MHz

Power output

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

Receive sensitivity

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

Antenna type

Built-in antenna

Communication distance

Up to 10 km
(visible straight - line barrier-free transmission distance, the actual transmission distance depends on the environment )

Data transfer rate

0.3kbps ～ 50k bps

Modulation system mode

LoRa / FSK (Note: choose one of them)

Supported LoRaWAN band

EU863- 870，US 902-928，AU915-928，KR920-923，
AS923，CN470-510 (Note: the frequency band is optional,
it needs to be configured before delivery)


Physical:

Size

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

Body weight

Approximately 141 g

Ambient temperature range

-20℃ ～ 55℃

Ambient humidity range

<90% RH (non-condensing)