The TD-1200H-NO portable nitric oxide detector is a high-performance gas detection device designed for accurate and reliable monitoring of nitric oxide levels in various environments. It features an imported high-precision sensor combined with a monochrome dot matrix LCD display that supports both Chinese and English interfaces, making it easy to use in multilingual settings. The device allows quick switching between gas concentration units such as PPM and mg/m³, ensuring flexibility for different applications.
Equipped with electrochemical detection technology, the TD-1200H-NO offers a range of 0–1ppm, 0–10ppm, 0–20ppm, and 0–50ppm (customizable based on user needs). Its resolution varies from 0.001ppm to 0.01ppm depending on the selected range, and the accuracy is within ±3% of full scale. The device uses a diffusion sampling method, though an optional external pump can be used for more precise measurements.
The display shows essential information including gas formula, concentration unit, measured value, time, battery status, alarm status, and data recording status. It also includes a large data storage capacity—over 100,000 data sets—with a five-minute interval, allowing continuous recording for up to 15 months. Users can adjust the storage interval from 10 seconds to 3600 seconds, offering greater control over data collection.
Data can be transferred via USB to a computer, and with the optional PC software, users can download, view, and print the recorded data. The device supports two-point calibration with password protection, and it includes a one-button automatic scaling function. Additionally, it allows for factory reset of both calibration and parameter settings, ensuring consistent performance over time.
The TD-1200H-NO features a sound and light alarm system with adjustable high and low-level alarm thresholds. It operates on a 3.7V rechargeable lithium battery with a capacity of 1800mAh, providing over 50 hours of continuous operation without gas detection. Charging takes less than 6 hours, making it ideal for fieldwork.
The device is certified with an ExiaIICT4 explosion-proof rating and an IP66 protection level, ensuring durability in harsh environments. It can operate in temperatures ranging from -20°C to 50°C and humidity levels up to 95% RH (non-condensing), with an optional filter drying cylinder required for humidity above 90% RH.
Built with a durable ABS+PC housing, the TD-1200H-NO is compact, measuring 155×78×35mm and weighing only 300g. It comes with a high-grade alligator clip for easy carrying and a stylish aluminum alloy design. The product is packed in a sturdy box, suitable for transportation and storage.
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