General Tools ARG14 Analog Rain Gauge is professional grade and is great to use for science projects. With this analog rain gauge ring alignment determines the amount of rain fallen in a given period. Formerly Mannix Instrument. Discontinued product - suggested replacement General Tools RGR150.

General Tools RGR122 Wireless Rain Gauge is self-emptying and provides cumulative and daily precipitation totals for up to nine days--all without any wiring. This wireless rain gauge provides long range capability that allows the collector to be placed up to 300 feet from the main unit. Formerly Mannix Instrument.

General Tools WR103 Digital NOAA Weather Radio monitors all U.S. emergency hazards and EAS weather bulletins, warnings and forecasts and broadcasts tornado and storm alerts, forecasts and warnings. This digital NOAA weather radio can also be programmed to broadcast information pertinent to your local area only or other areas you're interested in (up to six specific areas of your choice).

General Tools LD9 Compact Lightning Detector senses lightning up to 40 miles away and determines if a storm is approaching or departing. This compact lightning detector displays lightning strike distance, storm direction and battery life. Formerly Mannix Instrument.

Wireless Weather Station General Tools WMR968 features 3 Channels, jumbo display and a touch pad screen. This wireless weather station provides a wireless rain gauge.

General Tools WS1500 Professional Portable Weather Station features a memory function to recall the current and past 6 days/weeks/months rainfall data. This professional weather station is an economical way to monitor weather conditions. Formerly Mannix Instrument.

General Tools WS2315 Complete Wireless Weather Station provides a storm warning forecast. This complete wireless weather station measures windchill and dewpoint. Formerly Mannix Instrument.

General Tools TE821W Professional Weather Station measures wind speed and direction, wind chill, rainfall amounts and barometric pressure. This professionl weather station monitors indoor and outdoor temperature and humidity. Formerly Mannix Instrument.

General Tools GLMM100 Soil Moisture Content Meter is designed to measure moisture content in soil and proper lighting conditions for plants. The General Tools GLMM100 features a tough and durable probe, instantaneous water and light level requirements, and a plant light level and watering chart.

General Tools GLMM200 Soil Moisture Content Meter is designed to measure moisture content in soil.

General Tools DSMM500 Advanced Soil Moisture Content Tester is designed for professional agricultural use.

General Tools PWM301 Water Purity Meter tests water quality for drinking, industrial use and water filter effectiveness. This water purity testing meter checks the condition of the water filter. Formerly Mannix Instrument.