It is offered in two different models: infrared thermometer and dual thermocouple thermometer. Dual Thermocouple Thermometer - HHC201 Specifications Units: Â°C or Â°F Range:-200 to 1372Â°C (-328 to 2500Â°F) Resolution: 0.1Â°:-100 to 1372Â°C (-148 to 2500Â°F) 1Â°: -200 to -100Â°C (-328 to -148Â°F) Accuracy: Type K thermocouple ITS-90
For pups six months old or older that haven't been on preventative, a heartworm test should be given before starting medication and the dog tested six months later to be sure there are no parasites. Annual tests thereafter ensure your puppy stays healthy.
Heartworms have to be present for 6 months before they are detectable by a heartworm test. While it is possible for a dog to get heartworm at less than 4 months of age it is not common. If this truly is heartworm then I would likely recommend the immiticide treatment which is unfortunately the expensive one.