Features
1. Simple operation – using the visual colorimetric method, easy to use and can be operated by anyone without specialized training;
2. Efficient – test can be completed within 1 minute, fast and effective;
3. Reliable results – provides accurate measurements;
4. Unique aluminum tube packaging in China with an anti-oxidation film, which significantly extends shelf life (optional feature);
5. Compact size and lightweight, easy to carry.
Scopes
Widely used in industrial, agricultural, laboratory, and on-site testing environments.
Name of test paper: Sulphite Test Paper
Model: LH1023
Brand: Lohand
Measuring range: 0-10-40-80-180-400 mg/L
Packing
No. of Tests: 100 strips / box
Test methods: Test paper colorimetry
Packing: 100 strips / inner plastic box
1 inner plastic box / export carton
Remarks: Can also be individually packed 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 liquids below this limit, a color comparison tube or test kit may be needed;
4. The color chart typically has 5 different shades;
5. Custom requirements are available, which may take 1-2 weeks.
We have experienced and dedicated team members who provide professional and reliable pre-sales and after-sales service.
Company Information
Hangzhou Lohand Biological Co., Ltd is a professional company that manufactures and exports laboratory instruments and equipment. We have our own registered brand "LOHAND" and factory, supported by a strong R&D center, sales team, customer service team, and QC team. Our business is growing rapidly and we have built a solid 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 are CE certified. All products can be customized according to specific buyer requirements.
Certification
FAQ
Q1: Why choose us?
A: 1. We have our own factory with a strong R&D center and QA team to ensure timely delivery and high-quality products.
2. We offer professional and reliable pre-sales and after-sales support with experienced staff.
3. We provide the most competitive wholesale prices.
Q2: How do you guarantee quality?
A: One-year warranty from the B/L date. If there is a quality issue, we will replace the product or refund your money.
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, if we have stock of the model you need, we are happy to send one piece for quality testing.
Q5: How do you deliver small orders?
A: For small orders, we prefer international express services like DHL, TNT, EMS, which are faster and more convenient. We also work with an express agent offering lower rates than official providers. For items with removable batteries, shipping costs can be reduced if the battery is not included.
Q6: What payment methods do you accept?
A: We accept T/T, Western Union, PayPal, etc.
Q7: What if I can't find the model on the 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 yet. If it's a new product for us, we can develop it for you once we receive all the details.
Stainless Steel Round Tube,38Mm Round Steel Tube,Polished 304 Round Stainless Steel Pipe,Perforated Round Steel Tubing
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