Imperial Nitrogen/Hydrogen Tracer Gas Leak Detector LD-920

Imperial

LD-920

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PRODUCT DESCRIPTION

Imperial Leak Detectors feature long-life heated sensor technology, designed for high sensitivity. The digital leak size indicator takes the guesswork out of whether or not to repair a small leak. The digital display is independent of the audio alarm and sensitivity level, allowing the precise pinpointing of the leak source.

All models use standard alkaline batteries – rechargeable batteries not required.

The Imperial Nitrogen/Hydrogen Tracer Gas Leak Detector LD-920 will detect Nitrogen/ Hydrogen trace gas leaks less than 5 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 Trace Gas and cannot be used with straight Nitrogen.

The tracer gas mixture consists of a non-toxic, non-flamable, environmentally friendly mixture of 5% Hydrogen and 95% Nitrogen. Trace Gas was developed to remove the need to add polluting refrigerants in the system 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 away 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.

FEATURES AND CAPABILITIES

  • Heated Sensor Technology - Long Life
  • <5ppm Sensitive to N2/H2
  • Digital Display for leak size
  • Automatic Calibration and resets to ambient
  • Visual LED leak alarm near sensor
  • Audio Mute Mode
  • 3 Sensitivity Selectable Levels
  • Fast Warmup - less than 20 Seconds
  • 4-6 Hours continuous on battery life

WHAT'S INCLUDED?

  • Refrigerant Leak Detector - LD-920
  • 5 x Sensor Filters - S77695
  • Leak Test Vial - S77705
  • H2/N2 Sensor with Wand Sensor Tip and Filter - S77704
  • Wand Sensor Tip with Filter - S77698
  • Blow Molded Hard Case - S77707
  • 4 x AA 1.5vdc Alkaline Batteries

If you require a complete Parts Kit (includes Sensor, Test Vial and Filters) use S77706.

SPECIFICATIONS

Imperial Leak Detectors
  LD-900 REFRIGERANT GAS LD-910 COMBUSTIBLE GAS LD-920 N2/H2 TRACER GAS
SENSITIVITY 0.05 oz / yr R-134a
0.015 oz / yr R-1234YF
5 ppm Methane  < 5 ppm
SENSOR LIFE > 10 years > 10 years > 10 years
RESPONSE TIME Instantaneous Instantaneous Instantaneous
POWER SUPPLY 4 AA alkaline batteries 4 AA alkaline batteries 4 AA alkaline batteries
BATTERY LIFE 4-6 hours continuous 20 hours continuous 8 hours continuous
WARM UP TIME < 20 seconds < 10 seconds < 20 seconds
PROBE LENGTH 17" (43.8 cm) 17" (43.8 cm) 17" (43.8 cm)
NUMERICAL DISPLAY 7 segment digital display (1 to 9) 7 segment digital display (1 to 9) 7 segment digital display (1 to 9)
WEIGHT 1.5 lbs. (0.68 kg) 1.25 lbs. (0.57 kg) 1.25 lbs. (0.57 kg)
CERTIFICATIONS CE
SAE J2791 (R-134a)
SAE J2913 (R-1234YF)
ASHRAE 173 2012
EN 14624-2012
CE
MSHA Intrinsic Safety
CE
EMC Directive 2014/30/EU
2006.40/EU Article 6, Paragraph 3
WARRANTY 2 years including sensor 2 years including sensor 2 years including sensor
 

WARRANTY

  • 2 Years from Date of Purchase
  • ​Excludes Consumables such as Filters, Gaskets, Leads, Batteries, Fuses, Sensors, Case etc

AUTHORISED RETAILER

Buy with 100% confidence knowing your purchase is backed by the full Manufacturer's Warranty. Please register your product with provided warranty card.

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