WL705 (Ultrasonic Water Level Sensor)

Accurate and reliable non-contact water level measuring using ultrasonic technology
The WL–705 contains a rugged transducer in a stainless steel sealed housing for long life, and provides an industry standard 4–20 MA output. There are three ranges available including 3 ft, 12 ft, and 48 ft options to meet a wide variety of applications.
The unique 3 ft range sensor is ideal for measuring flow in small flumes and weirs. The 12 ft and 48 ft ranges are best for measuring river, lake and tank levels and for measuring open channel flow in
Specifications
- Range: 0.3–19.9 FPS (0.1–6.1 MPS) 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 in long x 2.375 in dia (121 L x 60 Dia mm) Weight3 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
For inquiries contact us
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