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 Wireless 4-20mA Transmitter/Receiver

 
Din-rail Wireless 4-20mA Transmitter/Receiver Set


Wireless 4-20mA Transmitter System Model: DRWS-420

Features

    Wireless Bridge Between 4-20mA Sensor & Instrument

    Sold As Transmitter/Receiver Factory Match Set

    Up To 1 Mile Line-of-site Transmit/Receive Distance

    Adds Wireless Capability To Any Existing System

    Easy To Install Din-rail Style Enclosures

    Can Be 12-24VDC Battery or Solar Powered

    License Free Point-to-point Radio Operation




Applications

Tank Level Monitoring, Process Controls & Instrumentation, Add Wireless Capability To Existing Application


Description

Model DRWS-420 Wireless 4-20mA Transmitter/Receiver Set provides a wireless bridge between any 4-20mA loop powered sensor and a 4-20mA input process monitoring or control Instrument. The 4-20mA analog current readings from a sensor connected to the transmitting unit are sent via a license free radio signal to a receiver unit up to 1 mile (Line-of-site) away. The receiving unit reproduces an accurate 4-20mA analog output that matches the 4-20mA signal.


SAMPLE APPLICATION SHOWNING LEVEL SENSOR SENDING WIRELESS 4-20MA READINGS TO REMOTE PLC DEVICE
wireless_4-20mA_system

General Specifications
Radio Frequency: 2.4GHz
RF Output Impedance: 50 Ohm nominal
Transmitter/Receiver Code Matching: Factory set
Operating Power: 24Vdc @ 250mA
Wiring Connection: Terminal Blocks
Transmit/Receive Distance
(-USCA Model):
Up to 400' Line-of-sight (With Included 3dbi Antennas)
Up to 1700' Line-of-sight (With Optional 7dbi Antennas)
Up to 1/2 Mile Line-of-sight (With Optional 12dbi Antennas)
Transmit/Receive Distance
(-EU Model):
Up to 100' Line-of-sight (With Included 3dbi Antennas)
Up to 200' Line-of-sight (With Optional 7dbi Antennas)
Up to 300' Line-of-sight (With Optional 12dbi Antennas)
Operating Temperature: -10 to 130 ºF (-23 to 54 ºC)
Enclosure: Plastic (Indoor or protected use only)
Antennas: Includes 3dBi Antennas & 9' Extention Cables

Transmitter Specifications
Input Signal: Analog Current 4-20mA
RF Power Output: 63mW (10mW -EU Models)
RF Data Rate: 250 Kbps
Transmitt Rate (Factory Set): Every 1 Second

Receiver Specifications
Receive Sensitivity: -100 dBm
RF Input Impedance: 50 Ohm nominal

Regulatory Approvals
Regulatory: FCC Part 95 (No license required)
FCC(USA): OUR-XBEEPRO
IC (Canada): 4214A-XBEEPRO

Available Models
Model Number Description
DRWS-420-USCA Wireless 4-20mA Transmitter/Reciever Set - USA & Canada
DRWS-420-EU Wireless 4-20mA Transmitter/Reciever Set - EU

Optional Antennas
Model Number Description
AT24-7DBI-OD-RP-SMA* 7dBi Medium Range Antenna
AT24-9DBI-YD-RP-SMA* 9dBi Long Range Antenna

*Optional Antenna. Order 2 each when these antennas are needed.

Each Wireless 4-20mA Transmitter/Receiver Set includes 3dBi Antennas, 9'Antenna Extension Cables, Antenna Mounting Brackets and User Manuals.

Note: Continued product improvements make specifications subject to change without notice.
This product is approved for use in USA, Canada and Europe only.