Chlorine Test Strips Thailand — Low-Range Drinking Water and Potable Water Monitoring | BCST
1,995.00 ฿–2,415.00 ฿Price range: 1,995.00 ฿ through 2,415.00 ฿
Chlorine test strips, available in Thailand through BCST, give water treatment facilities, food factories, and field monitoring teams an immediate, reliable reading of free chlorine residual in potable water and treated water supplies — no instruments, no reagents, no laboratory required.
Three products. One complete low-range chlorine monitoring solution.
BAR-PCL01V50 — Residual Chlorine Test Strips, 0–5 ppm. Vial of 50 plastic strips. For tap water, point-of-use monitoring, and WHO-guideline compliance verification.
BAR-PCL02V50 — Low Level Chlorine Test Strips, 0–10 ppm. Vial of 50 plastic strips. For drinking water, water treatment discharge monitoring, and field purification systems.
BAR-PCL92V50 — Residual Chlorine 0–10 ppm and pH 5–10 Combo Multi-Pad Test Strips. Vial of 50 strips. Simultaneous free chlorine and pH measurement in a single dip.
Select your required product. Contact BCST for pricing, availability, and documentation.
Chlorine Test Strips in Thailand — Why Low-Range Monitoring Matters
Chlorine test strips, available in Thailand through BCST, address one of the most operationally critical measurements in water safety — the free chlorine residual in treated drinking water. The World Health Organization recommends a minimum residual free chlorine of 0.5 ppm at the point of use in treated water systems. Above 5 ppm, chlorine becomes detectable by taste and odor and may indicate over-treatment. Below 0.2 ppm, moreover, residual protection against microbial contamination begins to degrade. The measurement range of 0–10 ppm is therefore the single most important chlorine monitoring window in public health, food production, and water treatment operations.
Bartovation low-range chlorine test strips give any operator — in a treatment facility, at a factory tap, or in the field — an immediate, accurate residual chlorine reading without instrumentation. Furthermore, each strip undergoes lot-specific precision and accuracy testing against verified chlorine standards before release and carries a minimum two-year shelf life from date of manufacture.
BCST distributes three low-range chlorine test strip products in Thailand. Together, they cover the full monitoring spectrum from residual tap water verification through to field water purification assessment, with an optional pH measurement dimension for comprehensive water quality characterization.
The Science — How These Test Strips Work
Chemistry of Detection
Each test strip contains a reaction pad treated with a proprietary formula of buffers, surfactants, and redox indicators. When the pad contacts a water sample containing free chlorine, the redox indicator reacts with the chlorine and develops a color. The intensity of that color is directly proportional to the free chlorine concentration in the sample. The operator then compares the developed color against the calibrated color chart printed on the vial label to determine the chlorine level.
What Free Chlorine Means
Free chlorine refers to dissolved chlorine present as hypochlorous acid (HOCl) and hypochlorite ion (OCl⁻) — the active disinfecting forms of chlorine in treated water. It is distinct from combined chlorine, which refers to chlorine that has reacted with nitrogenous compounds in the water and lost most of its disinfecting power. Free chlorine is what these strips measure, and free chlorine is what matters for water safety verification.
Reading Time and Result Interpretation
Results are read within 5–10 seconds after removing the strip from the sample. This rapid reading time is operationally significant — it means chlorine monitoring does not delay a process, a production line, or a field assessment. Additionally, the color on the pad may not develop uniformly — this is normal and does not affect result accuracy. Compare the most developed area of the pad to the color chart.
The Three Products — Specifications
BAR-PCL01V50 — Residual Chlorine Test Strips, 0–5 ppm
Parameter
Detail
BCST Cat. No.
BAR-PCL01V50
Bartovation Product Code
PCL01V50
Product
Residual Chlorine Test Strips
Test range
0–5 ppm free chlorine
Pack size
Vial of 50 plastic strips
Primary application
Tap water and point-of-use potable water monitoring
Detection limit
Per calibrated color chart
Accuracy
±½ color chart unit
Reading time
5–10 seconds
Storage
Cool (20–30°C), dry, out of direct sunlight — original packaging
Shelf life
2 years from date of manufacture
Manufacturer
Bartovation LLC, New York, USA
Application context: This strip is specifically designed for monitoring residual free chlorine at the levels associated with treated tap water and WHO drinking water guidelines. It is the appropriate choice for point-of-use verification at factory taps, food production water supply checks, and compliance monitoring where the regulatory limit is 5 ppm or below.
BAR-PCL02V50 — Low Level Chlorine Test Strips, 0–10 ppm
Parameter
Detail
BCST Cat. No.
BAR-PCL02V50
Bartovation Product Code
PCL02V50
Product
Low Level Chlorine Test Strips
Test range
0–10 ppm free chlorine
Color chart calibration points
0, 0.5, 1, 3, 5, 10 ppm
Pack size
Vial of 50 plastic strips
Primary application
Drinking water, water treatment discharge, field purification
Detection limit
0.25 ppm
Accuracy
±½ color chart unit
Reading time
Follow label instructions
Storage
Cool (20–30°C), dry, out of direct sunlight — original packaging
Shelf life
2 years from date of manufacture
Manufacturer
Bartovation LLC, New York, USA
Application context: The 0.25 ppm detection limit and six-point calibration chart make this strip the most sensitive option in the BCST chlorine test strip range. Consequently, it suits water treatment discharge monitoring, field-based water purification system verification, and any application where measurement precision at sub-1 ppm concentrations is required.
BAR-PCL92V50 — Residual Chlorine 0–10 ppm and pH 5–10 Combo Multi-Pad Test Strips
Parameter
Detail
BCST Cat. No.
BAR-PCL92V50
Bartovation Product Code
PCL92V50
Product
Residual Chlorine and pH Combo Multi-Pad Test Strips
Chlorine test range
0–10 ppm free chlorine
pH test range
5–10
Pad count
Two pads per strip — one for chlorine, one for pH
Pack size
Vial of 50 strips
Primary application
Simultaneous water quality monitoring — chlorine residual and pH
Storage
Cool (20–30°C), dry, out of direct sunlight — original packaging
Shelf life
2 years from date of manufacture
Manufacturer
Bartovation LLC, New York, USA
Application context: pH directly affects the disinfecting efficiency of chlorine. At pH 7.5 and above, hypochlorous acid — the active disinfecting form — converts progressively to the less effective hypochlorite ion. Additionally, pH outside the 6.5–8.5 range indicates a water quality problem independent of chlorine level. This combo strip provides both measurements simultaneously, making it the most efficient tool for comprehensive potable water quality verification in a single dip.
Specifications Comparison Table
Specification
BAR-PCL01V50
BAR-PCL02V50
BAR-PCL92V50
Test range
0–5 ppm
0–10 ppm
0–10 ppm + pH 5–10
Pack size
50 strips
50 strips
50 strips
Detection limit
Per color chart
0.25 ppm
Per color chart
Accuracy
±½ color unit
±½ color unit
±½ color unit
Strip format
Plastic
Plastic
Plastic, dual pad
Reading time
5–10 seconds
Per label
Per label
Shelf life
2 years
2 years
2 years
Storage temp
20–30°C
20–30°C
20–30°C
How to Use Bartovation Low-Range Chlorine Test Strips
Standard Procedure — BAR-PCL01V50 and BAR-PCL02V50
Step 1 — Collect your sample. Use the water directly from the source being tested — tap, treatment outlet, or field purification system output. Do not pre-treat or dilute the sample.
Step 2 — Dip the strip. Place the test strip into the water sample. Remove immediately. Do not shake off excess water.
Step 3 — Read the result. After 5–10 seconds, compare the pad color against the color chart printed on the vial label. Note that color development on the pad may not be uniform — this is normal. Compare the most developed area of the pad to the chart.
Step 4 — Record and act. Record the result immediately. If the free chlorine reading falls below your target residual — typically 0.5 ppm WHO minimum or your facility’s specified level — remedial action is required. If the reading exceeds 5 ppm, investigate the cause of over-treatment.
Procedure — BAR-PCL92V50 Combo Strip
Follow the same dip procedure. After removing the strip, read the chlorine pad first (5–10 seconds) and the pH pad simultaneously. Compare each pad to its respective color chart printed on the vial. Record both values. A chlorine reading within your target range combined with a pH reading outside 6.5–8.5 indicates a separate water quality issue requiring investigation, independent of chlorine management.
Every lot of Bartovation chlorine test strips undergoes precision and accuracy testing before release. Precision testing evaluates ten strips per lot simultaneously against a verified chlorine standard — all ten must pass with little or no color variation. Accuracy testing uses chlorine standards prepared by serial dilution across the full measurement range. Each strip lot must return results within ±½ color unit at every calibration point to be released for sale. Additionally, lots that do not meet these specifications are not released under any circumstances.
Interferences
These test strips react to free chlorine. However, they may also react to other oxidizing materials including peracetic acid, hydrogen peroxide, bromine, and iodine. In applications where these compounds may be present alongside chlorine, results should be interpreted with this interference potential in mind. For food production environments where peracetic acid sanitizers are used in the same facility, use chlorine test strips only on samples confirmed to contain chlorine-based solutions.
Applications
Drinking Water and Municipal Water Treatment
Water treatment facilities in Thailand use low-range chlorine test strips to monitor residual chlorine levels in treated water at multiple distribution points. Specifically, BAR-PCL02V50 suits discharge monitoring where precise sub-1 ppm measurement is required. BAR-PCL01V50 suits point-of-use verification at the tap.
Food Production Facilities
Food factories in Thailand must use potable water in food preparation, equipment rinsing, and ingredient hydration. Consequently, monitoring the free chlorine residual in incoming and process water is a standard GMP and HACCP requirement. These strips provide immediate, documented verification that water used in food production meets potable water chlorine standards.
Field Water Purification
Field-based water purification operations — including those using chlorine tablet systems or portable chlorination equipment — use BAR-PCL02V50 to verify that treated water has reached the target residual before consumption or distribution.
Hotels, Resorts, and Food Service Operations
Hotels and resorts with central water treatment systems use low-range chlorine test strips to verify water quality at points of use throughout their facilities. Food service operations additionally use them to confirm that water used in food preparation and ice production meets potable water standards.
Q: What is the difference between BAR-PCL01V50 (0–5 ppm) and BAR-PCL02V50 (0–10 ppm)?
In brief, the two strips cover overlapping but distinct ranges. BAR-PCL01V50 is calibrated specifically for the 0–5 ppm range most relevant to treated tap water and WHO drinking water guidelines. BAR-PCL02V50 extends to 10 ppm and offers a 0.25 ppm detection limit with six calibration points — making it more sensitive and better suited for water treatment discharge monitoring or field purification verification where sub-1 ppm precision matters.
Q: Can these strips test swimming pool or spa water?
These strips measure free chlorine in the 0–10 ppm range. Swimming pool and spa water typically requires chlorine monitoring in the 1–5 ppm range for routine operation. Consequently, BAR-PCL01V50 and BAR-PCL02V50 can provide a reading in this context. However, Bartovation does not specifically validate these strips for pool chemistry, which may include cyanuric acid stabilizers and other compounds that affect chlorine chemistry differently from treated drinking water. Contact BCST to discuss your specific application.
Q: Why should I monitor pH alongside chlorine?
The disinfecting effectiveness of chlorine depends heavily on pH. At pH 6.0, approximately 97% of dissolved chlorine exists as hypochlorous acid — the active disinfecting form. At pH 8.0, by contrast, that proportion drops to approximately 22%. Therefore, a water sample showing 1 ppm free chlorine at pH 8.5 has significantly less disinfecting power than the same reading at pH 7.0. BAR-PCL92V50 provides both measurements simultaneously, enabling a more complete assessment of water disinfection status.
Q: How do I store these strips to maintain their shelf life?
Store all strips in their original vial in a cool, dry environment at 20–30°C, away from direct sunlight. Do not refrigerate — condensation inside the vial can degrade the reaction chemistry. Do not expose to humidity. Keep the vial tightly closed between uses. Under correct storage conditions, all three products carry a minimum two-year shelf life from date of manufacture.
Q: Are these strips safe to handle?
Yes. Bartovation has confirmed that these products are exempt from SDS requirements under applicable regulations, indicating no significant hazard under intended use conditions. Handle with standard laboratory hygiene practices — avoid contact with eyes and wash hands after use.
Q: What documentation can BCST provide?
BCST provides Certificate of Analysis (BAR-PCL02V50), Certificate of Conformance (BAR-PCL01V50), and SDS exemption documentation for all three products on request. Specify your documentation requirements at the time of order.
Order Chlorine Test Strips in Thailand
Bartovation chlorine test strips are available in Thailand through BCST — Biochem Scitech Co., Ltd. Laboratories, water treatment facilities, food factories, and field monitoring teams across Thailand rely on these strips for rapid, reliable low-range chlorine monitoring. Contact BCST for current pricing, stock availability, and lead times.
Reach BCST via the contact form on this page, by email at sales@bcst.co.th, or by phone at +66-92-4289163. Provide your required BCST catalogue number and quantity and BCST will respond with a formal quotation.
