Product Description

The HD-DK2 Residual Gas Analyzer is a professional handheld instrument designed to measure both oxygen (O₂) and carbon dioxide (CO₂) content in sealed packaging. Using advanced electrochemical and infrared sensors, it provides precise results to ensure product quality and extend shelf life.

Lightweight and portable, the HD-DK2 is equipped with a built-in pump, pressure sensor, and 6800mAh lithium battery for long-lasting field use. With 2000 data sets storage, USB export, and one-click calibration, it’s ideal for food, pharmaceutical, and packaging industries requiring reliable gas composition analysis.

Application Scope

• Packaging bags: Coffee, cheese, milk tea, milk powder, bread, soy flour, MAP (modified atmosphere packaging), ready-to-eat foods, medicine

• Packaging containers: Canned coffee, canned milk powder, cheese, canned foods, Tetra Pak beverages, and other sealed packages

• Extended use: Measuring O₂ and CO₂ content at the top of ampoules

Key Features

• Handheld, lightweight design for production site testing

• Quick insertion sampling needle with protective cover for safe operation

• Dual gas detection: oxygen and carbon dioxide

• Built-in gas and pressure sensors for accurate analysis

• Imported high-quality sensor components with long service life

• One-click operation, calibration, and intuitive user interface

• Remote upgrade and maintenance support

• Automatic shutdown, storage, and data memory to prevent loss

• Up to 2000 data sets storage with USB import/export

• 6800mAh lithium battery for extended portable use

• Dual-language support: Chinese/English

Technical Specifications

• Measured Gases: O₂ and CO₂

• Sensor Types: Electrochemical (O₂), Infrared absorption (CO₂)

• Sampling Volume: <5ml (O₂), <15ml (CO₂)

• Sensor Lifespan: O₂ ~2 years (in air); CO₂ >15 years

• Measurement Range: O₂: 0–30% VOL; CO₂: 0–100% VOL

• Resolution: 0.01% VOL

• Accuracy: O₂: ≤ ±0.2%; CO₂:

  • 0–50%: ≤ ±2%

  • 50–100%: ≤ ±3%

• Response Time: O₂ ≤15s; CO₂ ≤20s

• Sampling Method: Built-in pump type

• 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

Applications

The HD-DK2 is widely used in:

• Food packaging and shelf-life testing

• Pharmaceutical packaging validation (vials, ampoules, blister packs)

• Beverage and dairy quality control (cans, bottles, Tetra Pak)

• Warehouses, production lines, and laboratory R&D

Downloads

Data Sheet Link