Features
1. Simple operation – using the visual colorimetric method, easy to operate and can be performed by anyone without specialized training;
2. Efficient – 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 (optional);
5. Compact design – small size and lightweight for convenient portability.
Scope of Use
Widely used in industrial, agricultural, laboratory, 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 per box
Test method: Colorimetric test paper (requires 3 hours)
Packaging: 100 strips per inner plastic box
1 inner plastic box per export carton
Remarks: Can also be packed individually in aluminum foil or aluminum tubes.
Operation Process
1. Insert the reactive part of the test strip into the testing liquid for 1 second;
2. Wait about 15 seconds and compare the resulting color with the standard color chart;
3. Normally, the sensitivity limit is 0.2 mg/L. For lower concentrations, a color comparison tube or test kit can be used;
4. The color chart typically includes 5 different shades;
5. Custom requirements can be fulfilled, which may take 1–2 weeks.
We have experienced and dedicated team members offering professional and reliable pre-sales and after-sales service.
Company Information
Hangzhou Lohand Biological Co., Ltd is a professional company engaged in the manufacturing and exporting of laboratory instruments and equipment. We own our registered brand "LOHAND" and have our own factory, along with a strong R&D center, sales team, customer service team, and QC team. Our company has grown rapidly and gained 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, test kits, and more. Most of our products are CE-certified. All products can be customized according to specific customer requirements.
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. We offer professional and reliable pre-sales and after-sales services with an experienced team.
3. We provide the lowest wholesale prices to our customers.
Q2: How do you guarantee quality?
A: One-year warranty from the date of B/L. If there's a quality issue, we promise to return goods or refund your money.
Q3: Is OEM available?
A: Yes, all products can be custom-made according to your specifications, including packaging and logo printing.
Q4: Can I buy 1 PC for sample testing?
A: Yes, we are happy to send one piece for quality testing if we have stock of the model you need.
Q5: How do you deliver trial or small orders?
A: For small orders, we prefer international express services like DHL, TNT, EMS, which are fast and convenient. We also work with a shipping agent that offers significant discounts on freight, which is much cheaper than official quotes. For items with removable batteries, the shipping cost can be reduced if the product is sent without the battery.
Q6: What payment methods do you accept?
A: We accept T/T, Western Union, PayPal, and other options.
Q7: What should I do if I don't find the model on the website?
A: Please email us with a description and photo 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 based on your detailed specifications.
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