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Leak Detectors
H25-IR PRO
The H25-IR Pro is a next-generation industrial-grade leak detection and gas analyzer. Capable
of detecting over 40 of the most commonly used refrigerants and halogen gas compounds
(including R600a, R290 and SF
6
), the H25-IR Pro can be used to locate and then quantify
gas leaks, as well as log and totalize a group of leaks in a system. Measurements can be
displayed in terms of leak rate (oz/yr, g/yr, mL/s, PaM3/s) or concentration (ppm). The long-
life infrared sensor and high sensitivity make the H25-IR Pro the smart choice for the most
demanding leak detection and measurement applications. Other sensor choices (*) are
available for specic applications.
• Responds to leaks in less than 1 second
• Advanced Leak Quantication (ALQ™) technology eliminates the
need for periodic adjustments to a calibrated reference leak source
• IR sensor quickly and accurately pinpoints leaks and minimizes
false alarms.
• Detects leaks as small as 0.03 oz/yr (0.9 g/yr)
• Comprehensive diagnostics keep track of system parameters
ORDERING INFORMATION
3016-1311 CFC/HCFC Refrigerants - Includes Smart Probe with 6’ hose
3016-1321 CFC/HCFC Refrigerants - Includes Smart Probe with 12’ hose
3016-2311 R600a - Includes Smart Probe with 6’ hose
3016-2321 R600a - Includes Smart Probe with 12’ hose
3016-3311 R290 - Includes Smart Probe with 6’ hose
3016-3321 R290 - Includes Smart Probe with 12’ hose
Additional models available that include a standard probe with or without LED and button.
The H25-IR PRO is not designed or certied for intrinsic safety and may not be
suitable for use in certain environments.
SENSING TECHNOLOGY
Non-Dispersive Infrared (NDIR)
GASES DETECTED
Refrigerants CFC, HFC, and HCFC unit: R-11, R-12,
R-21, R-22, R-23, R-32, R-113, R-114, R-123,
R-124, R-125, R-134a, R-227, R-236fa,
R-245fa, R-401a, R-402a, R-402b,
R-404a, R-407a, R-407c, R-408a,
R-409a, R-410a, R-422a, R-422d, R-424a,
R-426a, R-427a, R-438a, R-500, R-502,
R-503, R-507, R-508b, FA188, FC72,
H-1211, H-1234YF, H-1301, H-2402, HFP,
N-1230
Isobutane R-600a
Propane R-290
Other Sulfur hexauoride (SF
6
) *on request
Carbon Dioxide (CO
2
) *on request
RESPONSE TIME
With 6’ probe hose attached 1 second
MEASUREMENT
Units oz/yr, g/yr, mL/s, PaM3/s, ppm
Range
0.01 - 5.00 oz/yr (0.85-142g/yr (0-1,000ppm)
Sensitivity 0.03 oz/yr (0.9 g/yr)
WARM UP TIME
60 seconds to begin use
OPERATING MODES
Search Detects presence and location of gas
leaks
Measure Calculates and displays leak rate
OPERATING RANGES
Operating Temperature Range 32°F to 122°F (0°F to 50°C)
Operating Humidity Range 5 to 90% RH, non-condensing
OTHER SPECIFICATIONS
Power 100 to 240 VAC, 50/60 Hz
Size 4”H x 10.75”W x 15”D
(10.2 cm x 27.3 cm x 38.1 cm)
Weight 18 lbs. (8.2 kg)
Probe Length Smart Probe, 6 foot Hose
Smart Probe, 12 foot Hose
Warranty Two year full warranty on instrument
Features exclusive
Numeric Leak Rate Display
and optional Smart Probe
Patent # 6,590,690
The LS-25 Series Leak Standard
provides an NIST-traceable reference
leak source for instrument functional
testing or adjustment. The unit is
factory calibrated and shipped fully
charged with the selected refrigerant,
sufcient to provide years of service.
Annual re-calibration is suggested.
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