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The HD-DK1 Residual Oxygen Analyzer is a professional handheld instrument designed for precise measurement of oxygen content inside sealed packaging. Built with high-accuracy electrochemical sensors and a built-in pressure sensor, it ensures reliable results for food, pharmaceutical, and packaging industries.
Lightweight and easy to use, the HD-DK1 supports one-handed operation, fast insertion sampling, and up to 2000 data sets storage with USB export capability. With its 6800mAh lithium battery, intuitive interface, and dual-language support (Chinese/English), it’s ideal for on-site quality testing and production line monitoring.

Packaging bags: Coffee, cheese, milk tea, milk powder, bread, soy flour, ready-to-eat food, modified atmosphere packaging (MAP), and medicine
Packaging containers: Canned coffee, canned milk powder, cheese, canned food, Tetra Pak packaging, beverages
Extended use: Measurement of oxygen in the headspace of ampoules
Handheld design, lightweight and portable for field testing
Quick insertion sampling needle with protective cover for safety
Built-in gas sensor for accurate oxygen measurement in soft and hard packaging
Integrated pressure sensor to measure internal vacuum degree of samples
Imported high-quality sensor components for long life and high accuracy
One-click operation, calibration, and intuitive user interface
Automatic shutdown, storage, and memory functions to prevent data loss
Up to 2000 data sets storage, with USB import/export
Built-in 6800mAh lithium battery for long-lasting power
Supports one-click switching between Chinese and English
Measured Gas: O₂ (Oxygen)
Sensor Type: Electrochemical
Sampling Volume: < 5ml
Sensor Lifespan: ~2 years (in air)
Measurement Range: 0–30% VOL
Resolution: 0.01% VOL
Accuracy: ≤ ±0.2% (0–50%)
Response Time: ≤ 15s
Sampling Method: Built-in pump
Intake Pressure: 700–1500 mbar (abs.)
Calibration Method: Two-point calibration
Data Storage: 2000 sets (circular)
Data Transmission: USB interface
Battery Capacity: 6800mAh lithium
Operating Temperature: 0–40°C
Languages: Chinese / English (switchable)
Instrument Size: 180 × 106 × 80 mm
Weight: 450 g
Perfect for use in:
Food packaging (MAP, vacuum-packed products, beverages, dairy, bakery, etc.)
Pharmaceutical packaging (ampoules, blister packs, vials, sealed containers)
Industrial production lines and warehouses
Laboratory quality control and R&D testing

Data Sheet Link
Ships within 48 hours · Estimated delivery Jul 1 - Jul 6
US$40
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