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Portable Dual Gas Detector LMDGD-A100 can simultaneously monitor CO₂ gas levels and other gases such as O₂, CO, NH₃, or H₂S. Employ advanced electrolyte and electrochemical sensors. Offers a range of detection limits, typically spanning from very low concentrations to high levels from 0.04 to 5.00 % for CO₂ and 0.0 to 30.0 % for O₂, ensuring comprehensive monitoring. Enhanced with a clear LCD for visualization of real-time measurements, making it ideal for the on-site detection of multiple gases in quality testing and research applications.
Specifications
| Sampling Method | Diffusion |
| Detection Range | CO₂：0.04 to 5.00 % O₂：0.0 to 30.0 % |
| Detection Accuracy | CO₂：± 30 % readingO₂：± 3 % F.S. |
| Display Resolution | CO₂：0.01 % O₂：0.1 % |
| Calibration | CO₂：0.04 % revise the zero point outdoors O₂：20.9 % revise the zero point outdoors |
| Display | LCD display |
| Battery Shelf Life | About 20 hours (when using alkaline dry batteries) |
| Operation Temperature | -10 to 50 °C |
| Operation Humidity | < 90 % RH (non-condensation) |
| Power Supply | 4/AC 100 to 250 V |
| Hs Code | 9027100090 |
| Dimension Host Machine (W×D×H) | 76 × 27 × 145 mm |
| Dimension Detector (W×D×H) | 28 × 27 × 170 mm |
| Weight | 250 g |
Features
Fitted with dual sensor types
Simultaneously detects two gases
Extended probe for confined spaces
Compact size, Convenient to transport
Automatically self-calibrates
Suitable for both indoor and outdoor use
Available in portable formats for on-the-go monitoring
Applications
Applied in biofuel facilities, greenhouses, agricultural settings, and construction sites for on-site testing of chemical gases and more.
Gas Detector Selection
| Gas Detectors | Measurement Gas | Range | Accuracy (F.S.= Full Scale, rdg = Reading) | Response time |
| LMDGD-A100 - O₂ and CO₂ | O₂ | 5 to 25 % vol | ±5%F.S | ＜20s |
| LMDGD-A100 - O₂ and CO₂ | CO₂ | 0 to 5 % vol | ±30%rdg | ＜10s |
| LMDGD-A100 - SO₂ and CO₂ | SO₂ | 0 to 100 ppm | ±5%F.S | ＜30s |
| LMDGD-A100 - SO₂ and CO₂ | CO₂ | 0 to 5 % vol | ±30%rdg | ＜10s |
| LMDGD-A100 - CO and CO₂ | CO | 0 to 1000 ppm | ±5%F.S | ＜30s |
| LMDGD-A100 - CO and CO₂ | CO₂ | 0 to 5 % vol | ±30%rdg | ＜10s |
| LMDGD-A100 - H₂S and CO₂ | H₂S | 0 to 100 ppm | ±5%F.S | ＜30s |
| LPTG-A10 - H₂S and CO₂ | CO₂ | 0 to 5 % vol | ±30%rdg | ＜10s |
| LPTG-A10 - NH₃ and CO₂ | NH₃ | 0 to 30 % vol | ±5%F.S | ＜100s |
| LPTG-A10 - NH₃ and CO₂ | CO₂ | 0 to 5 % vol | ±30%rdg | ＜10s |
Frequently Asked Questions
1 What is a Portable Dual Gas Detector?
A Portable Dual Gas Detector is an apparatus designed to detect and monitor the presence of two specific gases simultaneously.
2 How does Portable Dual Gas Detector work?
It uses sensors to continuously sample the air and alert users when gas concentrations exceed safe levels.
3 Can Portable Dual Gas Detector be used for confined space entry?
It is essential for confined space entry, as it monitors for life-threatening gases like low oxygen and toxic gases such as hydrogen sulfide or carbon monoxide.
4 What gases does Portable Dual Gas Detector monitor in wastewater treatment?
It is commonly configured to detect hydrogen sulfide and oxygen, both of which are critical for worker safety in anaerobic environments.
5 Is Portable Dual Gas Detector suitable for underground mining operations?
It helps protect miners by detecting carbon monoxide from equipment emissions and verifying safe oxygen levels in tunnels or shafts.
6 Can Portable Dual Gas Detector be used in oil and gas drilling fields?
It is widely used in oil and gas fields to detect gases like Hydrogen Sulfide and CO, which are common and highly dangerous during drilling, production, and processing activities.
7 Is Portable Dual Gas Detector suitable for firefighting or post-fire operations?
It is used to monitor dangerous CO levels and assess oxygen depletion.
8 Can Portable Dual Gas Detector be used in marine or shipping environments?
It is commonly used in cargo holds, engine rooms, or ballast tanks to monitor for oxygen depletion and toxic gas buildup such as carbon monoxide or hydrogen sulfide.
9 Is Portable Dual Gas Detector used in construction or tunneling projects?
It is used to monitor for combustion by-products (CO) and oxygen deficiency.
10 Can Portable Dual Gas Detector be used in emergency rescue operations?
It is a key tool for first responders entering unknown or hazardous environments, allowing quick assessment of breathable air and presence of lethal gases.