Features
1. Simple operation - using the visual colorimetric method, it is easy to use and can be performed by anyone without specialized training;
2. Efficient - the test can be completed within 1 minute, fast and efficient;
3. Reliable results - ensures accurate and consistent measurements;
4. Unique aluminum tube packaging in China, with an anti-oxidation film that significantly extends shelf life (this is optional);
5. Compact and lightweight, making it easy to carry.
Applications
Widely used in industrial, agricultural, experimental, and on-site testing environments.
Name of test paper: Ozone (in air) test paper
Model: LH1021
Brand: Lohand
Measuring range: 0-5-10-20-30-40 mg/m³
Packing
Number of Tests: 100 strips / box
Test Method: Colorimetric test paper (requires 3 hours)
Packing: 100 strips / inner plastic box
1 inner plastic box / export carton
Remarks: Optional individual aluminum foil packing or aluminum tube packing available.
Operation Process
1. Insert the reactive part of the test strip into the testing liquid for 1 second;
2. Wait about 15 seconds, then compare the color with the standard color chart;
3. Normally, the sensitivity limit of the test paper is 0.2 mg/L. For samples below this level, a color comparison tube or test kit can be used;
4. The color chart usually has 5 different color shades;
5. Custom requirements can be fulfilled, which may take 1-2 weeks.
We have experienced and dedicated team members who provide professional and reliable pre-sales and after-sales support.
Company Information
Hangzhou Lohand Biological Co., Ltd is a professional company specializing in the manufacturing and exporting of laboratory instruments and equipment. We have our own registered brand "LOHAND" and own factory, supported by a strong R&D center, sales team, customer service team, and QC team. Our business is growing rapidly and we have earned a good reputation in the market.
Our major products include refractometers, test papers, pH meters, electrodes, TDS meters, salinity meters, DO meters, ORP meters, conductivity meters, turbidity meters, color comparison tubes, and test kits. Most of our products come with CE certification. All products can be customized according to your specific needs.
Certification
FAQ
Q1: Why choose us?
A: 1. We have our own factory with a strong R&D center and QA team, ensuring timely delivery and high-quality products.
2. Our experienced and dedicated team provides reliable pre-sales and after-sales service.
3. We offer the lowest wholesale prices in the market.
Q2: How do you guarantee quality?
A: One-year warranty from the date of the B/L. If there's a quality issue, we promise to return goods or refund funds.
Q3: Is OEM available?
A: Yes, all products can be customized based on your requirements, including packaging and logo printing.
Q4: Can I buy 1 PC for sample testing?
A: Yes, we are happy to send 1 piece for quality testing if the model is in stock.
Q5: How do you deliver small orders?
A: For small orders, we prefer international express services like DHL, TNT, or EMS, which are faster and more convenient. We also work with a logistics agent that offers discounted rates. For items with removable batteries, shipping costs can be reduced by sending them without the battery.
Q6: What payment methods do you accept?
A: T/T, Western Union, PayPal, etc.
Q7: What if I can't find the model on your website?
A: Please email us with a description and picture of the product. We develop new models every month, and some may not be uploaded immediately. If it’s a new product for us, we can develop it for you after receiving detailed information.
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