The DA-770-H2-100V is a benchtop gas analyzer designed for hydrogen detection using a TCD (Thermal Conductivity Detector) principle. It operates with a suction-type detection method and measures hydrogen concentration in the range of 0–100% VOL. The device features a 7-inch TFT LED display (800 × 480) for real-time monitoring and supports analog 4–20 mA output for external signal transmission. It incorporates a high-resolution A/D converter and built-in microprocessor to ensure accurate and stable measurement performance. It is designed to be less susceptible to environmental variations such as temperature, humidity, and pressure, and is unaffected by sample gas flow rate. The analyzer eliminates the need for electrolytes and reduces calibration and maintenance frequency.
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