
WARRANTY POLICY
The ATD3698 Refrigerant Gas Leak Detector is warranted to be
free of defects in materials and workmanship for a period of two
years from the date of purchase including an industry first two year
warranty on the sensor. This warranty applies to all repairable
instruments that have not been tampered with or damaged through
improper use including unauthorized opening of the unit. Please
ship warranty units that require repair freight prepaid to Service
Center along with proof of purchase, return address, phone number
and/or email address.
Model ATD3698
Refrigerant Gas Leak Detector
User Manual
Detects all CFC, HFC, HCFC
Refrigerants including blends

INTRODUCTION
T
he ATD3698 features a long life heated sensor technology that is
designed to detect the more current and difficult HFC refrigerants
such as R-134a in addition to all HCFC (R22) and CFC (R12)
refrigerants including SNAP approved hydrocarbon blends. The
ATD3698 does not require rechargeable batteries.
FEATURES
• Unique numeric leak size
Indicator
• Long life, stable sensor
• R134a sensitivity .05 oz/yr • R22 sensitivity .025 oz/yr
• Designed certified SAE
standard
• Automatic calibration and
reset to ambient
• Low battery indicator • 3 adjustable sensitivity levels
• 2- year warranty including 2
years for the sensor
• True mechanical pump
• Uses 4 AA alkaline batteries • CE Certified
• Made in USA
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Replacement Parts
Item Part Number
Sensor with Filter
PRT3700-01
Filter Kit
PRT3700-02
Test Vial
PRT3700-03
Model # ATD3698
Name
Leak Detector, Refrigerant
Gas
Sensitivity
.05 oz/yr R134a
.025 oz/yr R22
Sensor Life > 300 hours
Response Time Instantaneous
Power Supply 4 AA Alkaline batteries
Battery Life 8 hours continuous
Warm up time < 20 seconds
Probe length 17 inches
Weight, lbs 1.5 lbs
Warranty 2 years (2 yrs for sensor)
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