YSI WaterLOG Nile Water Level Radar Series

Central Weather Bureau Taiwan (CWBT) monitoring tide changes with the YSI WaterLOG Nile Radar

NEW Nile Series 502/504/517 models! Designed for non-contact water level measurement. The WaterLOG Nile Series (502/504/517) combines high accuracy with an out-of-the-box measurement range of up to 70 m. The rugged, innovative design was inspired for installation on a bridge or other structure over the water—making this series ideal for sites that may have ice or other instrument-damaging debris. Its reliable interface and simple SDI-12 communication ensure seamless integration with current water monitoring stations. With three models to choose from, the Nile Series is sure to meet your water monitoring needs.

  • Features
  • Specifications

The Nile Series (502/504/517) contains a is reliable interface and simple SDI-12 communication for seamless integration with current water monitoring sites.

  • Frequency range 26 Ghz
  • Low current operation (<13.5 mA)
  • Optional keypad display
  • Capped antenna (Nile 502/504)
  • Surge protection
  • NEMA 4x (IP65) enclosure is suitable for outdoor installations
  • Continuous operation, no warm-up or "lock on"
PerformanceNile 502Nile 504Nile 517
Standard Accuracy ±4 mm (0.013 Ft); Target at 1.5 M (5.0 ft) to max range ±4mm (0.013 Ft); Target at 2.5 M (8.2 ft) to Max range ±4mm (0.013 Ft); Target at 2.5 M (8.2 ft) to Max range
Temperature Error Max ±3 mm (0.01 ft) per 10° C change with ±12 mm (0.039 ft) max error over the complete temperature range of -40°C to +60°C ±7 mm (0.023 ft) per 10° C change with ±17 mm (0.056 ft) max error over the complete temperature range of -40°C to +60°C ±7 mm (0.023 ft) per 10° C change with ±17 mm (0.056 ft) max error over the complete temperature range of -40°C to +60°C
Near Target Error ±5 mm (0.0164 ft) near target range of 0 to 1.5 M (0 to 5.0 ft) ±21 mm (0.068 ft) near target range of 0 to 2.5 M (0 to 8.2 ft) ±21 mm (0.068 ft) near target range of 0 to 2.5 M (0 to 8.2 ft)
Note

Errors are additive.

Specifications are based on ideal target conditions.

Temperature Error (Limited Temperature Range) ±2.0mm (0.007 ft) max error per 10° C change ±5.0mm (0.0164 ft) max error per 10° C change ±5.0mm (0.0164 ft) max error per 10° C change
Frequency

~26 GHz

~26 GHz

~26 GHz

Transmitting Power

<0.4 nW/cm2

<2.5 nW/cm2

<2.5 nW/cm2

Range

20m (65.6 ft)

40m (131.2 ft)

70m (229.7 ft)

Measurement

Nile 502Nile 504Nile 517
Maximum Measurement Error on Low End

±4.0mm (<1m)

0.16in(<3.28ft)

±20.0mm (<2m)

0.78in(<6.56ft)

±20.0mm (<2m)

0.78in(<6.56ft)

Beam Angle

10°

Beam WidthNile 502Nile 504Nile 517

3m (9.84ft)

.53m (1.74ft)

.42m (1.38ft)

.42m (1.38ft)

6m (19.69ft)

1.05m (3.45ft)

.84m (2.76ft)

.84m (2.76ft)

9m (29.53ft)

1.58m (5.18ft)

1.26m (4.13ft)

1.26m (4.13ft)

12m (39.37ft)

2.10m (6.89ft)

1.68m (5.51ft)

1.68m (5.51ft)

15m (49.22ft)

2.63m (8.63ft)

2.10m (6.89ft)

2.10m (6.89ft)

20m (65.62ft)

3.50m (11.48ft)

2.80m (9.19ft)

2.80m (9.19ft)

25m (82.03ft)

3.50m (11.48ft)

3.50m (11.48ft)

30m (98.43ft)

4.20m (13.78ft)

4.20m (13.78ft)

35m (114.84ft)

4.89m (16.04ft)

4.89m (16.04ft)

40m (131.24ft)

5.59m (18.34ft)

5.59m (18.34ft)

45m (147.65ft)

6.29m (20.64ft)

60m (196.86ft)

8.39m (27.53ft)

70m (229.67ft)

9.79m (32.12ft)

CommunicationNile 502
Output SDI-12, RS-232
Power
Voltage Input

10 to 16 VDC

Supply Current

Active: 13.5 mA

Environmental
Operating Temperature

-40° C to + 80° C

Storage Temperature

-40° C to + 80° C

Nile KPD - LED Display

-20° C to +70° C

PhysicalNile 502Nile 504Nile 517
Size (Housing)

168mm (6.61in) x 144mm (5.67in)

Size (Horn)

80mm(3.15in), 115mm (4.53in) x 137.9mm(5.43in)

100mm(3.94in), 135mm(5.31in) x 150.5mm(5.93in)

100mm(3.94in), 95mm(3.74 in) x 282mm(11.10 in)

Weight

2.7 kg

2.7 kg

4.2 kg

Material

(Housing)

PBT Plastic

PBT Plastic

PBT Plastic

Material (Horn)

PP Cladded

PP Cladded

316L

Warranty

The WaterLOG® Nile Series is warranted against defects in materials and workmanship for twenty-four months from date of shipment.

For detailed specifications, see user manual.

Note

*measurements carried out in accordance with EN 61298-3