OTT RLS Radar Water Level Sensor
Features
- Transmit & receive antenna enclosed in a lightweight, durable housing with flat antenna design
- Easily mounts to a bridge, frame, pipeline, or extension arm
- Connects to NexSens X2 data logging system via SDI-12 interface
- Free ground shipping
- Expedited repair and warranty service
- Lifetime technical support
- More
| Image | Part# | Product Description | Price | Stock | Order | |
|---|---|---|---|---|---|---|
 | 6310900192S | RLS radar water level sensor, FCC Version (25 GHz), SDI-12 & 4-20mA output | Check Price | Check Availability | ||
| Image | Part# | Product Description | Price | Stock | Order | |
|---|---|---|---|---|---|---|
 | C8P-24-P | 8 conductor 24 AWG cable, PVC jacket, priced per ft. | $4.00 | Check Availability | ||
 | UW-FL3 | UW plug to flying lead cable, 3m | $145.00 | 4 Available | ||
The RLS non-contact radar level sensor with pulse radar technology is ideal for monitoring in remote areas and applications where conventional measuring systems are not suitable. The RLS accurately and efficiently measures surface water level With a non-contact distance range of up to 115 feet above water. The sensor is IP67 waterproof and has extremely low power consumption, making it ideal for solar-charged monitoring systems.
The radar level sensor uses a revolutionary level measurement technology, meeting the USGS accuracy requirement of +/-0.01 feet. Two antennas are enclosed in a compact housing and transmit pulses toward the water surface. The time delay from transmission to receipt is proportional to the distance between sensor and water surface. A sampling rate of 16 Hz (16 measurements/second) with 20 second averaging minimizes water surface conditions such as waves and turbulence. The RLS does not require calibration and is unaffected by air temperature, humidity, flood events, floating debris, or contaminated water.
- (1) Radar level sensor
- (1) 2-part swivel mount
- (1) Installation kit - Includes (4) 6x40mm wood screws & (4) plastic plugs
- (2) Double open-ended wrenches (10x13)
- (1) Factory acceptance test certificate (FAT)
- (1) Operations manual
Yes, the sensor does not have logging capabilities and needs to be integrated with a data logger. Sensor output options are SDI-12, SDI-12 via RS-485 and 4-20mA.
While ultrasonic sensors emit high frequency (20 kHz to 200 kHz) acoustic waves, radar sensors use radio-frequency signals (1GHz to 60 GHz) and readings are generally less affected by pressure, temperature and moisture changes.
The radar level sensor is mounted to a structure so that the radar beam is perpendicular to the surface of the water. A guide for installation and site selection can be found here: https://www.fondriest.com/pdf/ott_rls_install.pdf
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