Refrigeration Leak Detectors from TPI (Test Products International)

The 750a features 400 hour sensor life under normal use a spare sensor in included with each instrument for a total of 800 hours of continuous use and can detect leaks as small as 0.2 ounces per year (R134a / R22)

• 0.2 ounce per year sensitivity
  
• Detect all existing refrigerants and blends including 404A, PURON ® and R-507 (AZ50®)
  
• One hand thumb wheel operation
  

Tubing Tech Tip
Sensor life can be extended by fitting a ½" long piece of vinyl tubing onto the sensor tip. This tubing helps prevent foreign material from getting into the sensor during tests; clean or replace the tube regularly.
(click here to see more)

The 753a features 400 hour sensor life under normal use a spare sensor in included with each instrument for a total of 800 hours of continuous use and can detect leaks as small as 0.1 ounces per year (R134a / R22)

• 0.1 ounce per year sensitivity
  
• Detect all existing refrigerants and blends including 404A, PURON® and R-507 (AZ50®)
  
• Pump driven for increased sensitivity with blended refrigerants
  

Tubing Tech Tip
Sensor life can be extended by fitting a ½" long piece of vinyl tubing onto the sensor tip. This tubing helps prevent foreign material from getting into the sensor during tests; clean or replace the tube regularly.
(click here to see more)