Product Description
The DOZ-30 Dissolved Ozone Tester is a revolutionary three-electrode device designed for precise and reliable measurement of ozone levels in water. This portable instrument has been developed to solve long-standing challenges in both laboratory and field settings, offering high accuracy, stability, and minimal consumables. Its intuitive design ensures ease of use, making it a must-have tool for anyone involved in water treatment or ozone monitoring.
Product Photos



Specifications
Gas Detected | Ozone (O3) |
Measurement Range | 0-10.00 ppm |
Precision | 0.01 ppm |
Accuracy | ±1% F.S |
Test Temperature | 0.0-100.0ºC / 32-212°F |
Adjustment Method | 2 Point (0, Any Point) |
Lock Function | Manual or Automatic |
Storage Function | 10 Groups |
Electrode | CS6930 Dissolved Ozone Electrode |
Screen | 22*33 mm Multi-line LCD Screen |
Size/Weight | 164*37*40mm / 0.1kg |
Automatic Power Off | 6 Minutes No Press Button |
Product Features
♦ The DOZ-30 uses a three-electrode system to measure dissolved ozone concentration with high precision and speed. It offers results comparable to the DPD method, eliminating the need for reagents and reducing maintenance requirements.
♦ The measured value remains unaffected by low temperatures or turbidity, ensuring consistent performance in various environments.
♦ It can replace the CS6930 electrode, featuring excellent stability, easy cleaning, and simple maintenance. The MHX4 design ensures strong waterproofing and comfortable grip.
♦ The device stores up to 10 sets of measured values for future reference.
♦ The multi-line LCD screen features backlighting, allowing clear readings even in low light conditions.
♦ Powered by two AAA batteries, it provides over 500 hours of operation, making it cost-effective and convenient.
Tip: For more accurate measurements, it's recommended to use a uniform circular groove sample.
Shipping
♦ Sample shipments via TNT, FEDEX, DHL, UPS, EMS, ARAMEX, etc., offer door-to-door service.
♦ Bulk orders are shipped via FCL sea or air freight.
♦ Customers may also arrange their own shipping.
♦ Express delivery typically takes 3-9 days; sea shipment takes 25-35 days.
Our Service
♦ We accept OEM and ODM orders with minimum order quantity (MOQ) requirements that can be negotiated.
♦ Custom logos can be printed on products.
♦ Ozone generator matching equipment is available.
♦ Comprehensive solutions for air and water treatment are provided.
♦ Free samples are available, with discounts for bulk orders.
♦ Technical support and after-sales service are available.
Company Profile
Founded by HK QEI LIMITED, Guangzhou Qili Environmental Equipment Co., Ltd is a high-tech enterprise based in Guangzhou, China, specializing in ozone equipment research, development, production, and sales. With extensive experience in applications such as commercial kitchen oil and odor removal, aquaculture, food processing, cosmetics, HVAC systems, wastewater treatment, drinking water, industrial odor removal, and beverage treatment, we provide high-quality ozone generators along with complete solutions to help our customers gain a competitive edge.
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In line with the "Green & Eco-friendly" design philosophy, we develop new-generator products according to domestic and international standards. Our clients include well-known companies such as Coca-Cola, Mengniu, Yibao, Rexam Beverage Can South America, United Air Specialists, Speedy Ventilation PTY LTD, and subsidiaries of the United Nations assisting Afghanistan.
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Our main products include: QLA air-fed ozone generator, QLO oxygen-fed ozone generator, QLC ceramic plate ozone generator, QLY series oxygen concentrator, QL-OWS ozone water system, ozone gas and water tester, and ozone spare parts.

Welcome to get an inquiry!
If you want more information, please contact us freely:
Livia Ye
   Tel:+86-20-37324923
PH:+86-15202057172
Company:Â Â Â Â Â Â Â Guangzhou Qili Environmental Equipment Co., Ltd
                 Add:No.39 Sanheng Rd,Huanjiao,Shijing,Baiyun District,Guangzhou,China Â
               Web: www.qlozone.com
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2. 2.This jet grout drill rig can work in a small space. It is very convenient to move and displace.
3.Applicable for wide range of processing except jet-grouting processing requirements, this machine may also apply in anchoring processing construction
4.XP-20A serial low loading jet-grouting drill is a dual-duty drill manufactured by Jiangsu Wuxi Mineral Exploration Machinery General Factory Co., Ltd. in compliance with the market demand, and it is applicable for soft ground stabilization, seepage control of basement of high-rise buildings, renovation of big river and levee, reinforcement of railway, highway and pier, etc.
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