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The Smallest, Lightest & Most Sensitive Leak Detector on the Market.
The LD239 is a compact handheld detector for portable detection of leak gases. The LD239 can accurately detect a wide variety of gases using a high-sensitivity thermal conductivity sensor and is especially useful for detecting Helium and Hydrogen tracer gas. Rapid awareness is possible with LD239's array of indicators including an LCD display, LED, and buzzer immediately alerting of any existing leaks.
• High-sensitivity thermal conductivity sensor
• Detected gases: helium, hydrogen, CO2, Ar, Ne, other non-corrosive gases
• Compact and lightweight design
• Rechargeable lithium-ion battery
• Multiple indicators: LCD display, LED, and buzzer
The LD239 is a compact handheld detector for portable detection of leak gases. The LD239 can accurately detect a wide variety of gases using a high-sensitivity thermal conductivity sensor and is especially useful for detecting Helium and Hydrogen tracer gas. Rapid awareness is possible with LD239's array of indicators including an LCD display, LED, and buzzer immediately alerting of any existing leaks.
• High-sensitivity thermal conductivity sensor
• Detected gases: helium, hydrogen, CO2, Ar, Ne, other non-corrosive gases
• Compact and lightweight design
• Rechargeable lithium-ion battery
• Multiple indicators: LCD display, LED, and buzzer
LD239 Helium Leak Detector
SKU:
2702-19340
Brand:
GL Sciences
Your price:
$1,494.00
$1,660.00
Get expert advice or a personalized quote. Call 1-310-984-1946 or Send Message Now!
Trusted by Leading Companies
Details
The Smallest, Lightest & Most Sensitive Leak Detector On The Market
The LD239 is the smallest, lightest, and most sensitive gas detector available, precisely engineered to detect helium gas with a sensitivity of up to 0.0005mL/min. With dimensions of just 11 x 5 x 2 cm and a weight of only 95g, the LD239 offers true pocket-size convenience combined with high-sensitivity gas detection.
High-Sensitivity Thermal Conductivity Sensor
The LD239 Gas Leak Detector senses gases by comparing the difference in thermal conductivity between sampled gas and ambient air. Any gas with sufficient difference in thermal conductivity to the ambient air can be detected.
Thermal conductivity of some common gases [(mW/m*K) at 0 deg C, 1 atm]
| Gas | Thermal Conductivity | Gas | Thermal Conductivity | Gas | Thermal Conductivity |
| Hydrogen | 168.2 | Air* | 24.1 | Argon | 16.3 |
| Helium | 142.2 | Nitrogen* | 24.0 | Carbon | 14.5 |
| Neon | 46.5 | Ethane | 18.0 | Krypton | 8.7 |
| Methane | 30.2 | Ethylene | 16.4 | Xenon | 5.2 |
*Undetectable
At only 11 x 5 x 2 cm and weighing 95g, the LD239 provides true pocketable high-sensitivity gas detection.
Be immediately alerted of gas leaks from several easy-to-read and user-friendly indicators including an LCD display, LED lights, and a buzzer.
Get up to 5 hrs. use from the built-in Lithium-ion battery and easily recharge anywhere using the micro-usb port.
Typical Applications
The LD239 Gas Leak Detector can be used in a variety of applications, including:
- Piping, valves and manifolds
- Automotive components
- Gas chromatography systems
- Refrigerators
- Heating and Ventilation units
- Air Conditioners
- Safety
Trusted By Leading Companies
Trusted By Leading Companies
| Detection Method | Thermal conductivity |
| Target Gases | Helium, CO2, Ar, Ne etc (gases that are largely different from referential gas) ※Not for flammable and corrosive gases |
| Sensitivity (He) | [Standard range] 0.005mL/min at minimum [High range] 0.0005mL/min at minimum |
| Display | LCD |
| Temperature Range | 10 - 40 ℃ |
| Battery | Lithium ion battery installed, rechargeable through a USB port, 2.5 hours for a full recharge. 5 hour battery life with continuous use |
| Dimension | 50 (W) x 20 (D) x 111 (H) mm |
| Weights | 95g |
| Accessories | USB cable (1M), Sample gas filter (probe built-in), referential gas filter (built-in), instruction manual, warranty certificate |
Accessories
| Item | Part# |
| LD239 Sample Filter | 2702-19333 |
| LD239 Reference Filter | 2702-19334 |
| LD239 Micro USB Battery Charging Cable | 2702-19331 |
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LD239 Helium Leak Detector