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Introduction to Portable Air Negative Oxygen Ion Detector -ONETEST- 501-II

Negative ion detector
August 26, 2025
Category Connection: Negative Ion Detector
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Tags:
#Air Ion Detector #Negative Ion Tester #Air Ion tester
Brief: In this video, we explore the ONETEST-501-II Portable Air Negative Ion Detector, a compact and economical tool for measuring negative ion concentrations in indoor and outdoor environments. Stay tuned as we highlight its key features, including its flat-plate electrode measurement principle, high accuracy, and ease of use, making it ideal for home decoration, travel enthusiasts, and environmental evaluations.
Related Product Features:
  • The ONETEST-501-II uses a flat-plate electrode measurement principle for accurate and fast negative ion detection.
  • Equipped with German-imported sampling devices for enhanced stability and consistency in measurements.
  • Features a special oxidation industry shell to reduce electrostatic interference during use.
  • Includes a tripod mounting hole for easy outdoor measurements and portability.
  • Offers high measurement accuracy, sensitive response, and strong anti-interference capabilities.
  • Simple operation with provided instructional videos for quick setup and use.
  • Compact and lightweight design (280g) with a dark blue and bright edge finish.
  • Supports RS232 output and optional accessories like a tripod, battery, and charger.
Faqs:
  • What environments is the ONETEST-501-II suitable for?
    The detector is ideal for measuring negative ion concentrations in both indoor and outdoor environments, including homes, offices, and during travel, especially for evaluating air quality and materials like negative ion coatings.
  • How long can the ONETEST-501-II operate on a single charge?
    The built-in rechargeable lithium battery provides up to 10 hours of continuous use when fully charged, making it suitable for extended field measurements.
  • What accessories are included with the ONETEST-501-II?
    The detector comes with a DC12V adapter, grounding wire, shield plate, footpad, cleaning rod, and a portable aluminum box. Optional accessories like an RS232 output, additional battery, and tripod are also available.
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