Powerful desktop software for downloading, archiving, and reporting measurement data. No internet connection required.
An easy-to-use mobile app (iOS/ Android) that connects to your PosiTector Advanced, PosiTector Smartlink, or PosiTest AT-A. Compatible with PosiSoft.net.Learn More
A simple gage interface to retrieve data in a manner similar to a flash drive. No software to install or internet connection required.Learn More
PosiSoft.net is a free cloud-based application offering secure storage of PosiTector and PosiTest Inspection Instrument data. Click Here to learn more.
From wired USB to WiFi wireless technology, DeFelsko instruments offer data management solutions for even the most advanced software integrations. Accessing your stored or live streaming data is simpler and more flexible than ever before. PosiTector and PosiTest AT-A instruments have the ability to integrate with third-party software, drones, ROVs, PLCs, and robotic devices using several industry-standard communication protocols.
The presence of soluble salts has been shown to have a significant negative effect on coating performance and leads to premature coating failure. Salts remaining beneath a protective coating create an osmotic force that draws water from the atmosphere through the paint layer. The pressure created by this water underneath the coating overcomes the adhesive bond between the coating and substrate, resulting in corrosion, osmotic blistering, and eventual coating failure. It is therefore critical to ensure that a substrate is free from soluble salt contamination before painting.
Includes a certified and traceable conductivity probe specifically designed for measuring soluble salts in accordance with ISO 8502-6,9—the Bresle Method (Salts Test). Included with each probe is a Long Form Certificate of Calibration. The following parameters are measured by the PosiTector SST:
Using the measured conductivity value and the sample test volume (set within the gage menu), the surface density of the salts (mg/m2 or µg/cm2) is automatically calculated in accordance with ISO 8502-9, saving the gage operator time and eliminating the chance of a calculation error.
The PosiTector SST Soluble Salt Tester is ideal for:
(a) Testing substrates for the presence of soluble salts in accordance with ISO 8502-6,9 (the Bresle Method)
(b) Testing blast media in accordance with ASTM 4940 and ISO 11127-6 (determination of water-soluble contaminates in abrasives by conductivity measurement)
(c) Testing the conductivity of water within the range of 0-500 µS/cm
The PosiTector SST conductivity probe is specifically designed for testing soluble salts in accordance with ISO 8502-6,9 and has a number of features not found in conventional conductivity meters including . . .
The PosiTector SST Soluble Salt Tester saves all measured information for each salts test. All information can also be reported in PosiSoft software.
The PosiTector SST Soluble Salt Tester arrives fully calibrated and ready to measure. A Long-Form Certificate of Calibration traceable to NIST or PTB is included, which documents actual readings taken by your conductivity probe at our calibration laboratory on standards traceable to a national metrology institute. Beware of ‘Certificates’ or ‘Certificates of Conformance’ offered by competitors. These typically do not include actual instrument readings, and are often insufficient to meet common quality requirements.
A Verification of Accuracy can be performed by measuring known reference standards such as the supplied conductivity standard.
The PosiTector SST Soluble Salt Tester measures the overall conductivity of the test solution, and using calculations specified in ISO 8502-9, converts this value into a total surface density of salts.
The PosiTector SST Soluble Salt Tester is built specifically for the Bresle test method which does not address PPM calculations. While empirical conversion factors exist for converting PPM to surface density, these are not recognized by any test method.
Yes. By immersing only the test cell, the PosiTector SST Soluble Salt Tester is ideal for testing the conductivity of water within the range of 0-500 µS/cm.
Yes. The PosiTector SST Soluble Salt Tester can be used as a conventional conductivity meter making it ideal for testing abrasive materials in accordance with ISO 11127-6 and ASTM D4940-15.
PosiTector probes include a Certificate of Calibration showing traceability to NIST or PTB included (Long Form) with each probe—with no expiry or end date. They have no shelf life, therefore the length of time in the field is not a good indicator for recalibration intervals. Many organizations with quality programs and recertification programs require annual recalibrations, and this is a good starting point for most users. DeFelsko recommends that customers establish calibration intervals based upon their own experience and work environment. Based on our product knowledge, data and customer feedback, a one year calibration interval from the date the instrument was placed in service is a good starting point.
The Bresle Method Test, also known as a “salts test”, measures the concentration of soluble salts on steel surfaces prior to abrasive blast cleaning and paint application. The Bresle Method tests for salts by sampling a surface by means of “surface extraction”. Put simply, this method involves placing a volume of water in a chamber against the test surface. The water dissolves the soluble salts present on the surface, raising the electrical conductivity of the water. The measured increase in conductivity establishes the concentration of soluble salts.
No. Our surface conducitivity probes are designed for simple operation, feature easy-to-use menus, instruction manuals, and helpful videos. In lieu of demonstration models, unlimited technical support is provided via telephone and/or email, and a limited 30-day money back guarantee.
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PosiTector users can capture and save an image copy of the current gage display by simultaneously pressing both the (-) and (+) buttons. 100 screen captures are stored in memory and can be accessed within the PosiSoft USB Drive.
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