Mechanical Cold Control-Portable A19Aat-2C 6.302 Rinse with distilled water between

Rinse with distilled water between samples to prevents cross-contamination and prolong electrode life

acid-based

To test for coolant lines on a freezer start with a warm freezer then plug the unit in with the lid open

which can prevent these issues

Mechanical Cold Control-Portable A19Aat-2C 6.302 Rinse with distilled water betweenPortable Cold ControlsCreate Kegerators & Fermentation Chambers (perfect for beer or wine) Works with Refrigerators or FreezersJohnson Controls Mechanical Cold Contro lRange: +20F to +80FDifferential: 4 Rotary dial adjustment Gas filled sensor on a 6' capillary tube 6' P ower cord Simple to Use: Plug into wall and place sensor into ref rigerator freezer plug refrigerator freezer into cold control and adjust temperature.