Hillbo Online Optical Dissolved Oxygen Sensor Do Sensor for Water Quality

• Customization: Available
• Display: Digital
• Portable: Portable
• Model NO.: OXY750
• Appliance: Aquaculture, Sewage Treatment
• Certification: ISO9001, CE
• Trademark: HILLBO
• Origin: China
• Production Capacity: 50000/Year

Product Description

Features

Super - strong circuit
Convenient installation
be sensitive in response
Technical Parameters

Model	OXY750
Measurement range	0.00~20.00 mg/L (ppm)
Measurement principle	Membrane method
Calibration method	Zero - oxygen calibration, saturation calibration
Measurement accuracy	±2%FS
Temperature measurement range	0.0~60.0°C
Storage temperature	-20.0~60.0°C
Temperature sensor	NTC22K Optional PT100, PT1000, NTC2.252K
Response time	90% of the final value within 90 seconds
Medium flow rate	Minimum flow rate 0.02m/s
Calibration interval	It is recommended to calibrate once a month
Maintenance interval	It is recommended to replace or add electrolyte once every 3 - 6 months and replace the membrane head once every 6 - 12 months
Pressure - resistant range	0~2 bar
Housing material	ABS
Polarization voltage	675mV
Sensitive membrane	Sensitive oxygen membrane
Connection screw	M39×1.5
Cable length	Standard 5 meters (customizable)
Installation method	Flow - through type (flow cell)
Protection level	IP68
Electrical connection	Pin - type or BNC connection
Electrode protection sleeve	Yes
Quality guarantee	1 year

Application scenarios
aquaculture, sewage treatment, surface water monitoring, environmental protection projects, groundwater monitoring, environmental monitoring, etc.
  Company Profile

Hillbo Technology Co., Ltd. is based in Guangzhou City, Guangdong Province, China, strategically located in the heart of the Pearl River Delta near Shenzhen, facilitating convenient water, land, and air transportation.
As a high-tech enterprise, Hillbo specializes in the research and development, production, and sales of a wide range of water quality analysis instruments and related products.
Our offerings span various technical fields, including electrochemistry, optics, and acoustics. Our core products include pH meters, ORP meters, dissolved oxygen sensors, conductivity meters, turbidity detectors, suspended solids analyzers, and tools for measuring chlorophyll, blue-green algae, residual chlorine, COD, and ammonia nitrogen. We provide both single-parameter and multi-parameter water quality analysis instruments suited for industrial online monitoring, laboratory use, and portable applications. Our products are essential across industries such as industrial process control, municipal water treatment, environmental discharge monitoring, surface water analysis, and swimming pool management.
Hillbo boasts a professional R&D team dedicated to continuous innovation. We hold over 15 patents, including invention patents, and have established strong strategic partnerships with numerous domestic and international companies and research institutions. While we actively digest and integrate advanced technologies and application experiences, we are committed to developing products with independent intellectual property rights. Each year, we introduce new software products and have secured dozens of software copyrights.
Our products meet ISO 9001 quality standards and carry CE certification. We serve customers across Africa, Europe, South America, the Middle East, and beyond. Our rigorous quality control system ensures the reliability and accuracy of every instrument we manufacture. With a robust supply chain, multiple warehouses, and sophisticated management software for inventory control, we are well-equipped to meet customer demands.
At Hillbo, our team is continuously growing, driven by our commitment to "creating value for customers." We strive to deliver more competitive products and look forward to collaborating with partners worldwide for mutual development.

Packing
After Sales Service
* The warranty period is 12 months from commissioning acceptance date on. In addition, we supply 1 year warranty and lifelong free technical guiding and training.
* We guarantee the maintenance time no more than 7 working days and response time within 3 hour.
* We build instrument service profile for our clients to record the product service and maintenance conditions.
* After instruments start service, we will pay follow-ups to collect the service conditions.

FAQ
1.How can I get the price?
-We usually quote within 24 hours after we get your inquiry(Except weekend and holidays).
-If you are very urgent to get the price, please email us or contact us in other ways so that we can offer you a quote.
2.Can l buy samples placing orders? 
-Yes.Please feel free to contact us.
3.What is your lead time?
-It depends on the order quantity and the season you place the order.
-Usually we can ship within 7-15 days for small quantity, and about 30 days for large quantity.
4.What is your payment term?
-T/T,Western Union,MoneyGram,and Paypal.This is negotiable.
5.What is the shipping method?
-It could be shipped by sea,by air or by express(EMS,UPS,DHL,TNT,FEDEX and ect). Please confirm with us before placing orders.
6.How do you make our business long-term and good relationship?
-1. We keep good quality and competitive price to ensure our customers benefit ;
 -2. We respect every customer as our friend and we sincerely do business and make friends with them,no matter where they come from.