Leak Detector

Leak Detector LD239



Gas leaks can cause detector noise and baseline instability, shorten column life and waste expensive carrier gas. GL Sciences’ LD239 leak detector is an easy way to quickly identify leaks in your system. LD239 provides the most sensitive He leak detection inexpensively, compact size, easy charging (via USB), and easy-to-use configuration.


Detector Detect the thermal conductivity difference between reference gas and sampled gas inlet.
Sensitivity Selectable in two ranges
Standard Range: Helium 0.005 mL/min in atmosphere
High Range: Helium 0.0005 mL/min in atmosphere
Target Gases Helium, CO2, Ar, Ne, etc.
(gases that are largely different from referential gas)
Note) Nonflammable and noncorrosive atmosphere is inevitable.
Display LCD display with 8 bar graphs, 8 LED lamps,
LCD display for Parameter setting
Setting Ability Range exchange (Standard/ High sensitivity), Buzzer OFF, LCD backlight ON/OFF, Auto power ON/OFF, etc.)
Battery and Recharger Rechargeable battery (lithium-ion buttery built-in)
Way of charge: USB charging
Charge time: 2.5 hours and under
Continuous operation: Approx. 5 hours (with a new, fully charged batteries, Std. Range, Buzzer OFF, LED OFF, LCD Backlight OFF)
Operating Temp. Range 10 ºC – 40 ºC (Non condensing)
Dimension 50 (W) x 20 (D) x 111 (H) mm
Weights Approx. 95 g

Leak Detector LD2391pc2702-19340

Note) The lithium-ion battery used in the LD239 does not comply with battery regulations in Taiwan, Australia or Russia. Do not import or use the LD239 in such countries.

Maintenance Parts

LD239 Sample Filter1pc2702-19333
LD239 Reference Filter1pc2702-19334
LD239 Charging micro USB cable1pc2702-19331

Snoop Liquid Leak Detector

Snoop Liquid Leak Detector, 8 oz. Bottle

Snoop Liquid Leak Detector, 8 oz. Bottle

Snoop Liquid Leak Detector, 8 oz. size is packed in PE bottle, enables easy bring and perform gas leak test at site to site. The features of this product are non-toxic, non-flammable, non-chloride, non-dust absorbing, foamy, non-sticky, and non-soiling after drying.
Operation Temp. Range : -2 ºC – 93 ºC

Liquid Leak Detector Snoop8ounce(236mL)1pc3001-33101
Liquid Leak Detector Snoop8ounce(236mL)12pcs3001-33112
Liquid Leak Detector Snoop1gallon(3.8L)1pc3001-33102