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Qdy30A Analog DC12V 24V 4-20mA RS485 Hydrostatic Smart Submersible Stainless Steel 316 Tank Water Level Sensor

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Product Description

Basic Information
Model NO.
QDY30A
Output Signal
Analog Type (4-20mA, 0-10V, RS485)
Material
Stainless Steel 304/316
IP Rating
IP68
Measuring Range
0-0.5-500m H2O
Power Supply
DC24V (DC10~30V Customizable)
Warranty
2 Years
Certification
CE, RoHS, FCC
Product Description
Model: QDY30A Submersible Level Sensor

Submersible level sensors provide continuous liquid level measurement by sensing the hydrostatic pressure produced by the height of liquid above the sensor.

The QDY30A features a 28mm diameter (customizable to 19mm) 304/316 stainless steel protective housing and a nose cap for diaphragm protection. The shielded cable includes an atmospheric vent tube, providing various output signals such as 4-20 mA, RS485, and 0-5V. The IP68 waterproof rating ensures reliable long-term operation in liquid environments.

  • Hermetically sealed housing suitable for most industrial liquids.
  • In-house helium leak testing ensures proper protection.
  • Automatic atmospheric pressure compensation via ventilation tube.
  • Isolated conductors for long-term operational stability.
Detailed Photos
Water Level Sensor Detail 1
Water Level Sensor Detail 2
Water Level Sensor Detail 3
Product Parameters
Parameter Specifications
Measuring Range0~0.5~500m H2O (Optional)
Power Supply24VDC
Output Signal4~20mA, RS485, 0-5V
Accuracy0.5%FS, 0.2%FS
Response Time≤1ms (up to 90%FS)
Medium Temperature-20~85ºC
Protection ClassIP68
MaterialProbe: Stainless steel; Cable: Polyurethane
Selection & Dimensions
Selection Guide
Product Size Chart
Dimensions 1
Dimensions 2
Dimensions 3
Installation Instructions
Installation Diagram 1
Installation Diagram 2
Certifications & Quality Control
Certificates
Production Facility
Frequently Asked Questions
Are you a manufacturer?
Yes, we are a professional manufacturer and exporter with over 8 years of experience, holding CE, ROHS, FCC, and ISO certifications along with 4 patents.
Do you offer OEM services?
Yes, we provide comprehensive OEM services, including custom shell designs and logo integration.
What is the lead time for orders?
For standard orders (1-50 pieces), the delivery time is typically 2 working days. Larger orders over 2000 pieces require approximately 10 days.
What payment methods do you accept?
We accept various payment methods including T/T (Bank Transfer), PayPal, and Credit Cards.
How long is the warranty period?
All our products come with a 2-year quality assurance warranty.
Can we visit your production facility?
Yes, you are always welcome to visit our factory to inspect our production processes and quality control.

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