REED R3000SD-KIT3 Data Logging pH/ORP Meter with Electrodes, Temperature Probe, SD Card and Power Adapter Lighting & Lamps and the wind chill can

and the wind chill can be calculated

This chrome ship's bell clock is a beautiful addition to your boat when mounted to the bulkhead

No focusing is necessary

this approximates the thermodynamic wet-bulb temperature

LaCrosse Technology 104-2822 8 inches Galvanized Metal Thermometer

REED R3000SD-KIT3 Data Logging pH/ORP Meter with Electrodes, Temperature Probe, SD Card and Power Adapter Lighting & Lamps and the wind chill canThe R3000SD KIT3 includes a Data Logging pH ORP Meter (R3000SD), pH Electrode (R3000SD PH2), ORP Electrode (R3000SD ORP), ATC Temperature Probe (R3000SD ATC), 16GB Micro SD Memory Card with adapter (RSD 16GB) and Power Adapter (RSD ADP NA).