A Nutrition Consultant in the Houston, TX Area area reported making $34,000 per year
Water level (device) A water level is a device used for matching elevations of locations that are too far apart for a spirit level to span. The simplest water level is a section of clear tubing, partially filled with water. Water is easily procured for use, and easily discarded after use.
1. sensor-any device that receives a signal or stimulus (as heat or pressure or light or motion etc.) and responds to it in a distinctive manner. detector, sensing element. device-an instrumentality invented for a particular purpose; the device is small enough to wear on your wrist; a device intended to conserve water. device that responds to a physical stimulus and converts the stimulus into a signal conveyed to another device. For example, a sensor in a printer detects that the paper tray is empty and sends a signal to the digital display that the tray is out of paper.