Product Details
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This instrument will detect Nitrogen/ Hydrogen trace gas leaks of less than five parts per million [ppm] or equivalent in R134a would be 2.0 grams per year leak rate.
The LD-920 detects the Hydrogen component of the Tracer Gas & cannot be used with straight Nitrogen.
The tracer gas mixture consists of a nontoxic, nonflammable, environmentally friendly mixture of 5% Hydrogen and 95% Nitrogen. Trace Gas was developed to remove the need to add polluting refrigerants when pressurising systems for leak detection. For this reason, it can be vented to the atmosphere at completion.
To use Trace Gas, charge it into your new or decanted system at a pressure of approx 500 Kpa [75 Psi]. As Hydrogen is lighter than air, always sniff for samples above your suspected leak area, welds, or fittings.
The maximum distance from the sampling area is 9.5mm at a rate no faster than 75mm per second. Refer to the Operators Manual for further usage information.
Specifications
- Heated Sensor Technology - Long Life
- <5ppm Sensitive to N2/H2
- Digital Display for leak size
- Automatic Calibration & resets to ambient
- Visual LED leak alarm near the sensor
- Audio Mute Mode
- 3 Sensitivity Selectable Levels
- Fast Warmup - less than 20 Seconds
- 4-6 Hours continuous on battery life
Features
- SENSITIVITY < 5 ppm
- SENSOR LIFE > 10 years
- RESPONSE TIME Instantaneous
- POWER SUPPLY 4 AA alkaline batteries
- BATTERY LIFE 8 hours continuous
- WARM UP TIME < 20 seconds
- PROBE LENGTH 17" (43.8 cm)
- NUMERICAL DISPLAY 7 segment digital display (1 to 9)
- WEIGHT 1.25 lbs. (0.57 kg)
- CERTIFICATIONS CE
EMC Directive 2014/30/EU
2006.40/EU Article 6, Paragraph 3 - WARRANTY 2 years
What's included
- Refrigerant Leak Detector - LD-920
- 5 x Sensor Filters - Part # S77695
- Leak Test Vial - Part # S77705
- H2/N2 Sensor with Wand Sensor Tip & Filter - Part # S77704
- Wand Sensor Tip with Filter - Part # S77698
- Blow Molded Hard Case - Part # S77707
- 4 x AA 1.5vdc Alkaline Batteries
Warranty
- 2 Years from Date of Purchase
- Excludes Consumables such as Filters, Gaskets, Leads, Batteries, Fuses, Sensors, Case etc
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