Aprvtio AHTS-200 Air Conditioning Service Tool Set with Digital Manifold with Horse, Temperature Clamps, Refrigerant Leak Detector, Dual Stage 4.8 CFM Vacuum Pump, Refrigerant Scale, Recovery Machine Temperature Data Logger 400ppm is the global baseline

400ppm is the global baseline for "fresh outdoor air

or data logger temperature devices

Heavy-duty carrying case included and flexible long coil design

View via the report itself

ThermElc temperature logger can give manufacturers

Aprvtio AHTS-200 Air Conditioning Service Tool Set with Digital Manifold with Horse, Temperature Clamps, Refrigerant Leak Detector, Dual Stage 4.8 CFM Vacuum Pump, Refrigerant Scale, Recovery Machine Temperature Data Logger 400ppm is the global baselineThis is a pre order product. Estimated shipping time: 45 business days after order is placed. Please note that weekends and public holidays are not included in the lead time. Thank you for your patience and understanding! Note: This product comes in two colorsRED OR GREEN, and will be shipped based on available inventory. Color selection is not available. Thank you for your understanding. 1. Aprvito AMF 300 Manifold Gauge Set with Hose and Temperature