Radar Level Sensor Optiwave 1400 C
Radar sensor for non-contact level measurement
- Precise level measurement up to 20m using FMCW radar (Frequency Modulated Continous Wave)
- Highest accuracy and long-term stability (+/-2mm at 10m level)
- Easy mounting vertically above the water surface e.g. on bridges or outriggers
- Waterproof housing for uncompromising operation in all environments
Save time and money with high-quality technology
The design of the Optiwave 1400 C incorporates the many years of experience of the company. Krohne, a pioneer in radar level measurement technology. The FMCW radar technology used offers significant advantages over other radar measurement methods, such as pulse radar technology. The high-quality workmanship and technical design ensures use for many years with minimal costs of ownership.
Compatible with all Gealog data collectors
The Optiwave 1400 C requires the appropriate measuring interface for connection to Gealog data collectors and can then be operated e.g. with Gealog TG or Gealog ftp module IoT.
Low energy consumption
The sensor requires extremely little energy and can therefore also be operated with self-sufficient power supplies. When operating with the Gealog ftp module IoT, even the supply only with battery pack is possible for many months.
FMCW measurement method
It is mounted vertically above the channel, stream or river and periodically transmits radar measurement signals. The sensor does not use a single pulse as in other measuring modes, but emits a radar signal with a constantly increasing frequency during the measuring period (frequency sweep). The signal reflected from the measuring surface (= water surface) arrives at the sensor with a small frequency offset compared to the signal just transmitted due to the transit time. The sensor continuously calculates this frequency difference and performs an FFT (Fast Fourier Analysis) on the frequency difference signal over the entire measurement period. The measured value (= distance to the water surface) results from a spectral analysis of this differential signal and offers a much higher accuracy and long-term stability than pure runtime-based measurement methods. Waves on the water surface are averaged out by this process. Further averaging can then be performed in the datalogger. This procedure is called FMCW measurement method. (Frequency Modulated Continous Wave)
The picture shows a typical installation of the Optiwave 1400 C above a measuring channel, in this project for measuring the inflow to a stormwater retention basin during precipitation events with heavy rainfall.
Various mounting brackets can be supplied for mounting the sensor. We ask for their corresponding request with specification of the mounting situation.
