Weidisi (Shandong) Piping Systems
Weidisi (Shandong) Pipeline Systems Co., Ltd. purchased the VicoMeter WKT-A9 Advanced Karl Fischer moisture analyzer with the matching WKT-V1 Karl Fischer oven. Working on the Karl Fischer coulometric principle, it rapidly determines trace moisture down to 0.001 ppm within 1 minute for solids, liquids, and powders, with a built-in printer storing 500 data sets for real-time query and printing. Navigation-style prompts and a built-in e-manual keep operation simple. Complying with multiple national and international standards, its 8 moisture formulas and 6 methods serve chemical, petroleum, pharmaceutical, power, food, research, and testing industries — a Karl Fischer meter for mid-to-high-end applications.
Coulometric (coulometry) principle, ideal for trace-level testing; 5-inch color touchscreen with smart operation, automatic result calculation, and freely configurable sample IDs; complies with multiple national standards and suits virtually every industry.
8 moisture calculation formulas, 6 determination methods, and 8 end-point detection algorithms
Automatic drift compensation, automatic subtraction of ambient and background moisture, and self-diagnostic fault alerts
One-touch start for reliable results
Outstanding automation — connects seamlessly to the Karl Fischer oven for difficult samples
RS232 interface for connection to a PC, printer, PLC, or LIMS
When measuring moisture with a Karl Fischer analyzer, most samples can be added directly to the generator cell/titration cell for simple, accurate testing. Some samples, however, cannot be added directly because their moisture is not released naturally or they undergo side reactions with the Karl Fischer reagent — for example powders, granules, pastes, and oxidizing inorganic salts.
For samples that cannot be added directly to the cell, pairing the WKT-V2 Karl Fischer oven for gas-phase extraction is the perfect solution. The sample is placed in a vial and moved onto the oven, heated to a specific temperature (up to 300˚C), and the moisture is extracted and carried into the cell by dry air or nitrogen, then measured perfectly.
The customer had positioned the instrument before the engineer arrived; site conditions (27.8°C, 54% RH) met installation requirements, so installation began at once.
During installation the engineer covered operation and maintenance tips: agitate the electrode daily, dry the molecular sieve every two weeks, keep the drift consistent in repeatability tests. A 2 µl deionized water check gave 1953 µg — in range. Two customer demonstrations: 352/347 PPM before drying, 215/201 PPM after — matching third-party data, and the customer fully endorsed the instrument's data.
Founded on October 20, 2016, Weidisi (Shandong) Pipeline Systems Co., Ltd. is registered at No. 6 Qingtian Road, Qilu Chemical Industrial Park, Linzi, Zibo, Shandong, legal representative Mo Zijie. Scope: production, sales, and import/export of prefabricated insulated pipes and fittings, plastic/hardware/metal pipes, products and fittings; after-sales service and related technical consulting and services; wholesale of chemical raw materials (excluding hazardous chemicals), subject to approval where required.
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