Ultrasonic Water Level Sensor

The WL705 uses the latest ultrasonic distance measuring technology for accurate non-contact water level monitoring. The sensors contain a rugged transducer in a stainless steel sealed housing for long life and provides an industry standard 4-20 MA output.

Specifications

Ranges
0.33 to 3 ft; 0.33 to 12 ft; and 1 to 48 ft

Resolution
0.009 in, 0.035 in, and 0.141 in

Repeatability
Greater of ±0.03 inches (0.76 mm) or 0.1% of range @ constant temperature

Accuracy
Better than 0.5% of range @ constant temperature; affected by temperature gradients, target echo strength, and speed of sound in vapors

Transducer Type
Ruggedized piezoelectric Beam Angle: 12° conical shaped pattern Power:
3 and 12 ft range: 10 to 30 VDC @70 mA max
48 ft range: 10 to 30 VDC @40 mA max

Output
4-20 mA (4 mA is minimum water level and 20 mA is maximum water level)

Update Rate
50 ms

Operating Temperature
-40 to 158°F (-40 to 70°C)

Humidity
0 to 100% (avoid heavy condensation)

Housing Material
303 stainless steel

Dimensions:
3 and 12 ft rng: 4.062 in. long x 1.05 in. dia. (103.2 L x 26.7 Dia mm)
48 ft range: 4.75 inch long x 2.375 inch dia. (121 L x 60 Dia mm)

Weight:
3 and 12 ft range: 12.7 oz (0.36 g)
48 ft range: 25.9 oz (0.73 kg) IP rating: IP 68, Nema 4X Certifications: CE