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TPI Refrigerant Leak Detectors Comparison Guide


Features 750A 753 755
Scan Mode with Switchable High/Low Sensitivity Yes Yes Not applicable, pump driven
Sensitivity In Ounces Per Year R22 or R134a 0.3 0.2 0.1
Sensor Type Corona Discharge Corona Discharge AIT Micro Tip
Spare Sensor Included Yes Yes Yes
Built-In Alarm No No Yes
Operation Thumb wheel Push Button Push Button
Gooseneck Handle Length 16 in. 16 in. 16 in.
Adjustable Tic Rate Yes Yes Digitally Controlled
Indication of Leak Audible and Flashing LED Audible and Flashing LED Audible and Flashing LED
Battery Included YES, 2 C-Cell YES, 2 C-Cell YES, 2 C-Cell
Standard Carrying Case Soft Pouch Soft Pouch Soft Carrying Case with Shoulder Strap
Weight 278g w/boot 278g w/boot 278g w/boot
Warranty 3-Year Limited 3-Year Limited 3-Year Limited
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