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Rapid Chloride Permeability Tester
Rapid Chloride Permeability Tester (Product Code: SLE/CE/40) is a four-port RCPT test system used to assess the resistance of concrete to chloride-ion penetration, an indicator of its permeability, in concrete durability, research and civil engineering laboratories. It comes as a complete set with a 230–250 V AC test unit, 300 mm vacuum desiccator, vacuum pump with gauge, moisture trap, temperature probe, four pairs of plexiglass chambers and a tools kit. It is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India.
Specifications
| Parameter | Detail |
|---|---|
| Test | Rapid chloride-ion permeability test (RCPT) on concrete |
| Test unit | RCPT test apparatus with 4 ports |
| Power supply | 230–250 V AC |
| Test cells | Plexiglass chambers, 4 pairs |
| Vacuum desiccator | 300 mm |
| Vacuum pump | Vacuum pump with gauge |
| Other items | Moisture trap, temperature probe, tools kit |
| Product code | SLE/CE/40 |
| Supplied by | Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India |
What Is the RCPT Apparatus Used For?
Chlorides from seawater, de-icing salts or contaminated materials can travel through concrete and trigger corrosion of the steel reinforcement. How fast they move depends on the pore structure, which in turn depends on the mix design, degree of hydration, curing conditions, use of supplementary cementitious materials and construction practices. Wherever there is a potential risk of chloride-induced corrosion, concrete should be evaluated for chloride permeability, and the RCPT gives a rapid, comparative measure.
In outline, concrete specimens are vacuum-saturated using the desiccator, pump and moisture trap, then mounted between a pair of plexiglass chambers; the test unit applies an electrical potential and records the charge passed, while the temperature probe monitors the cell. With four ports, up to four specimens can be run together. Results are commonly rated as shown below; this makes the set a valuable part of any laboratory instruments line-up for durability studies.
| Chloride permeability | Charge passed (coulombs) | Typical concrete type |
|---|---|---|
| High | Above 4000 | High water-cement ratio (above 0.6) conventional PC concrete |
| Moderate | 2000 to 4000 | Moderate water-cement ratio (0.40 to 0.50) conventional PC concrete |
| Low | 1000 to 2000 | Low water-cement ratio (below 0.40) conventional PC concrete |
| Very low | 100 to 1000 | Latex-modified concrete, internally sealed concrete |
| Negligible | Below 100 | Polymer-impregnated concrete, polymer concrete |
What to Specify When Ordering
- Confirm your mains supply matches the 230–250 V AC rating of the test unit.
- State how many specimens you test per run; the set has 4 ports and 4 pairs of plexiglass chambers.
- Ask about extra plexiglass chambers or other spares if you plan heavy use.
- List specimen preparation equipment, such as moulds or core drilling, to be quoted with the tester.
Supplier
Jain Scientific Equipments Private Limited, trading as ScienceLab, supplies this Rapid Chloride Permeability Tester to universities, research institutes, ready-mix and infrastructure laboratories, dealers and importers in India and international markets. It is sourced as a complete test set, and ScienceLab can bring it together with moulds, curing and specimen preparation equipment on one quotation for a new durability laboratory. Learn more on the company profile.
Related Civil Engineering Lab Equipment
These items support specimen preparation and complementary durability testing:
- Concrete Permeability Test Apparatus — water penetration under pressure for a second durability indicator.
- Initial Surface Absorption Test Apparatus — measures water absorption of the concrete surface.
- Core Drilling Machine (Motorised) — extracts cores from structures for testing.
- Cylindrical Mould — casts cylinder specimens in the laboratory.
Explore more Civil Engineering Lab Equipment.
Frequently Asked Questions
What does the Rapid Chloride Permeability Tester measure?
The Rapid Chloride Permeability Tester assesses the resistance of concrete to the penetration of chloride ions, which is an indicator of its permeability. Results are expressed as the charge passed in coulombs, and lower values indicate concrete that better resists chloride ingress.
What is included in the RCPT set?
The Rapid Chloride Permeability Tester (SLE/CE/40) includes the RCPT test apparatus with 4 ports (230–250 V AC), a moisture trap, a temperature probe, a 300 mm vacuum desiccator, a vacuum pump with gauge, 4 pairs of plexiglass chambers and a tools kit.
How are RCPT results interpreted?
For the Rapid Chloride Permeability Tester, a charge above 4000 coulombs rates as high chloride permeability, 2000 to 4000 moderate, 1000 to 2000 low, 100 to 1000 very low, and below 100 negligible. Typical examples range from high water-cement ratio concrete to polymer concrete.
How many specimens can be tested at once?
The Rapid Chloride Permeability Tester has a 4-port test apparatus and is supplied with 4 pairs of plexiglass chambers, so up to four concrete specimens can be tested in the same run. This helps laboratories compare several mixes or duplicate samples efficiently.
Who supplies the Rapid Chloride Permeability Tester?
The Rapid Chloride Permeability Tester is supplied by Jain Scientific Equipments Pvt Ltd, trading as ScienceLab, of Ambala, Haryana, India. The company supplies it to colleges, research and testing laboratories, dealers and importers, together with related concrete durability equipment when required.
Is a calibration certificate available for the RCPT unit?
Any calibration document you need for the Rapid Chloride Permeability Tester should be discussed with us before ordering, so we can confirm what can be provided with the supply. Please mention the requirement in your enquiry on the contact page.
Request a Quote
To receive a quotation for the Rapid Chloride Permeability Tester, write to us through the contact page or add it to the enquiry cart, mentioning your delivery location and any related equipment.
Last updated: 24 September 2026
