VRS-20 Radar Level Sensor

Radar Level Sensor For Marine

VRS-20 Radar Level Sensor
VRS-20 Radar Level Sensor

The VRS-20 is a pulsed K-band radar level sensor developed by Valeport to work seamlessly with the TideMaster Tide Display/Logger and other third party data loggers using RS232, RS485 and SDI-12 communication

Versatile and simple to install, the VRS-20 addresses a number of the issues traditionally associated with water level measurement.

Non-contact technology removes the installation, corrosion & fouling issues of submerged sensors, while simplifying datum control.   Accuracy and performance are unaffected by changes in water density and atmospheric conditions.

The VRS-20 is a pulsed k-band radar level sensor developed by Valeport to work seamlessly with the Valeport TideMaster, operate standalone with optional telemetry systems, or interface directly to a third party data logger or PC.

Versatile and simple to install, the VRS-20 addresses a number of the issues traditionally associated with level measurement.

VRS-20 Radar Level Sensor
VRS-20 Radar Level Sensor

Sensor

Non-contact technology removes the installation, corrosion & fouling issues of submerged sensors, while simplifying datum control. Accuracy and performance are unaffected by changes in water density and atmospheric conditions.

SPECIFICATION

Minimum Range : 0.8 m
Maximum Range : 20 m
Beam Angle : ±6°
Frequency : 25 GHz
Accuracy : ±10 mm
Precision : 1 mm
Footprint : Radius at different ranges :
Range (m) Radius (m)
2 0.21
5 0.53
10 1.05
20 2.10

Sampling

The VRS-20 offers averaged data output options for water level / tide measurements only. Wave measurement sampling is not available.

Raw Sampling Rate : 8 Hz
Averaging period : Selectable (10 to 360 seconds)
Output Parameters : Mean Range
Mean Height
Std. Deviation

Electrical

Range : 9-28 V DC
Power : 35mA @12V dc

Communications

  • RS232/485 and SDI12 fitted as standard with communications method defined by pin selection.
  • Optional integrated GPRS telemetry module.
RS232 : Up to 200m cable, direct to serial port
RS485 : Up to 1000m cable, addressable half duplex
SDI 12 : Up to 100m cable.

Housing & Mounting

  • Fully sealed, injection molded housing rated to IP67 (NEMA 6) with PTFE window.
  • Integral stainless steel mounting bracket with tool free, 2 axis adjustment.
  • Integrated spirit bubbles for easy levelling.
Length : 255mm
Width : 130mm
Height : 130mm (75mm without mount)
Weight : ~2 kg

Ordering

0745001 VRS-20 Radar Level Sensor Supplied with :

  • Mounting bracket.
  • 5m cable with junction box.
  • Software, Manual and transit carton.

Shipping

Cardboard Carton : 37 x 28 x 20cm,
~ 4kg

Type Approval

The VRS20 radar sensor is fully compliant with :

  • ETSI EN 302 729-2 V1.1.2(2011-05)

Electromagnetic compatibility and Radio spectrum Matters (ERM)
Short Range Devices (SRD);
Level Probing Radar (LPR) equipment operating in the frequency ranges :
6 GHz to 8,5 GHz, 24,05 GHz to 26,5 GHz, 57 GHz to 64 GHz and 75 GHz to 85 GHz.

Read more : miniIPS – Intelligent Pressure Sensor; CTD and Multiparameter Instruments; Current Meters And Open Channel Meters; Model 803 ROV Electromagnetic Current Meter; MIDAS ECM Self Recording Electromagnetic Current Meter

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