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Conoma JV-2000 Hexavalent Chromium Tester
JV-2000 Hexavalent Chromium Tester is one of the spectrophotometer series products independently designed and carefully developed by Shenzhen Junhuiteng Technology Co., Ltd.. Mainly engaged in the independent research and development, production and sales of spectrophotometer analytical instruments. At present, there are R&D centers in Hong Kong, Shenzhen and Shanghai, with more than 80 R&D personnel, and many independent R&D patents have been obtained in the field of UV analysis。
After more than ten years of unremitting persistence and efforts, Junhuitong Technology has been recognized by many domestic and foreign quality inspection departments and has become an indispensable instrument for nondestructive testing. Today, Jun Phaeton UV spectrophotometer sells well at home and abroad, with an annual sales volume of more than 1,000 sets, and has professional product agents in some countries and regions in the Middle East, Southeast Asia and America. Excellent quality and good operating experience make Jun Phaeton UV spectrophotometer widely praised by customers at home and abroad.
Product Information
Comprehensive Review: JV-2000 Hexavalent Chromium Tester by Conoma – Precision in Cr6+ Analysis
In the modern industrial landscape, compliance with environmental regulations such as RoHS (Restriction of Hazardous Substances) and REACH is no longer optional—it is a necessity for global market access. Among the various restricted substances, Hexavalent Chromium (Cr6+) remains one of the most strictly monitored due to its high toxicity and carcinogenic potential. To address this, the JV-2000 Hexavalent Chromium Tester by Conoma has emerged as a premier solution for laboratories and quality control departments worldwide.
1. Introduction to the JV-2000 Conoma
The JV-2000 is a high-precision UV-Vis (Ultraviolet-Visible) Spectrophotometer specifically optimized for the detection and quantification of Hexavalent Chromium. While many general-purpose spectrophotometers exist, the JV-2000 distinguishes itself by integrating specialized hardware and software features designed to streamline the complex chemical analysis of metal ions.
By utilizing the principles of molecular absorption spectrometry, the device measures the intensity of light passing through a sample. When Cr6+ reacts with specific reagents, such as Diphenylcarbazide, it forms a colored complex. The JV-2000 detects the absorbance of this complex at a specific wavelength, providing a direct and highly accurate concentration reading.
2. Technical Specifications: Engineering for Accuracy
The reliability of a spectrophotometer is defined by its optical system and light stability. The JV-2000 excels in these areas with the following technical configuration:
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- Wavelength Range: 320nm to 1100nm. This broad range allows the device to perform not only Cr6+ testing but also a wide variety of other colorimetric assays in the visible and near-infrared spectrum.
- Spectral Bandwidth: 4nm. This width provides a perfect balance between light throughput (signal strength) and resolution, ensuring that the peak absorbance of the chromium complex is captured without interference.
- Light Source System: The device features imported, long-life Tungsten and Deuterium lamps. These high-quality sources ensure minimal “drift” during long testing sessions and require less frequent calibration.
- Wavelength Accuracy: ±0.5 nm. High accuracy ensures that the test results are repeatable and consistent across different batches of samples.
- Optical System: A Single Beam design with a 1200 lines/mm grating, which effectively minimizes stray light—one of the biggest enemies of precision in spectrophotometry.
3. Advanced Features and User Benefits
Conoma has designed the JV-2000 with a focus on “Laboratory Efficiency.” Several key features make it stand out from its competitors:
Independent Module Design
Unlike cheaper, integrated designs, the JV-2000 utilizes an independent module layout for its internal circuitry and power supply. This architectural choice significantly reduces electromagnetic interference, which in turn improves the lower limit of detection (LOD). This is crucial when testing for trace amounts of Cr6+ in high-end electronics or treated wastewater.
Robust Data Management
The unit is equipped with a 128*64-bit LCD screen that displays clear results, concentration curves, and diagnostic data. The internal memory is capable of storing up to 200 groups of test data and 200 standard curves. This data remains safe even in the event of a sudden power outage, preventing the loss of critical experimental work.
Seamless Connectivity
For professionals requiring comprehensive documentation, the JV-2000 offers USB and RS-232 ports. When connected to a PC, the specialized software allows for advanced functions such as:
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- Spectrum Scanning: To identify unknown substances.
- Kinetics Analysis: To monitor chemical reactions over time.
- Quantitative Analysis: To build complex multi-point calibration curves.
4. Key Industrial Applications
The versatility of the JV-2000 makes it a staple in various sectors:
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- Electroplating and Surface Finishing: It is used to monitor the concentration of chromium in plating baths and to verify the quality of passivation layers on metal parts.
- Footwear and Leather Industry: Hexavalent Chromium is a common byproduct of the leather tanning process. The JV-2000 helps manufacturers ensure their products are safe for skin contact and meet international safety standards.
- RoHS Compliance Testing: Specifically designed to meet the requirements of IEC 62321-7-2:2017, this tester is essential for electronics manufacturers who must prove that their components do not contain hazardous Cr6+.
- Environmental Monitoring: It plays a vital role in testing industrial wastewater, helping companies adhere to local discharge permits and protect local water sources from heavy metal contamination.
5. Why Choose the Conoma JV-2000?
Selecting the right tester involves balancing performance with the total cost of ownership. The JV-2000 offers a compelling value proposition because it combines the durability of industrial hardware with the precision of a research-grade instrument. Its digital membrane keypad is resistant to laboratory chemicals, and the ease of replacing the lamps reduces downtime. Furthermore, the ability to store standard curves directly on the device saves technicians significant time during daily operations.
Conclusion
The JV-2000 Hexavalent Chromium Tester by Conoma is more than just a measurement tool; it is a vital component of a modern quality assurance system. By providing fast, accurate, and stable results, it helps businesses avoid the high costs of non-compliance and ensures that their production processes remain environmentally responsible.
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