General Tools CPH12101 Analog Spa Pool pH Chlorine Tester checks chlorine and pH levels for pool and spa. With this analog spa pool pH chlorine tester no adjustment is required for pH. Formerly Mannix Instrument CPH12101.

General Tools NGD8800 Combustible Gas Detector is extremely useful as a general purpose tool in any environment where gasoline, propane, methane, natural gas or fuel oil is used.

General Tools WA500 Water Alarm and Leak Detector is designed to locate water leaks in plumbing, appliances, water heaters, and more.

General Tools UV512 Digital UVC Meter has an illumination range of the meter allows users to conduct the most precise quantitative measurements of ultraviolet radiation. General Tools UV512 digital UVC meter is designed to measure ultraviolet light in the range from 220 to 275 nanometers (UVC). Product Replaced by General Tools UV512C. Formerly Mannix Instrument.

General Tools DAMP600 AC True RMS Clamp Meter provides data hold and peak hold. This AC True RMS clamp meter features a jumbo LCD display. Formerly Mannix Instrument.

General Tools DMM8050TRMS Digital Multimeter is ideal for many electrical applications. This digital multimeter provides true RMS readings. Formerly Mannix Instrument.

Formerly known as a Mannix Instrument, this General Tools DM20UL Digital Multimeter features 7 functions and 20 ranges, providing everything a technician would need for inexpensive electrical measurements.

General Tools ETK-100 Utility Electrical Test Kit is ideal for the home handyman. This utility electrical test kit features 20 ranges and 7 functions.

General Tools ETK-200 Technician Electrical Test Kit is designed for the professional and handyman. This technician electrical test kit contains the Manual Range Digital Multimeter (DMM40) which has 18 ranges and 5 functions.

General Tools ETK-300 Deluxe Electrical Test Kit provides all the tools needed for many jobs in a single case. This deluxe electrical test kit contains the DMM40 Digital Multimeter, Manual Range which has 18 ranges and 5 functions.

Amprobe GSD600 Handheld Combustible Gas Detector is designed to detect and pinpoint methane and propane gases.

Indoor Outdoor Thermometer Weather Clock General Tools RCW33 features a jumbo LCD display, shows time, calendar, indoor/outdoor temperature and weather forecast. General Tools RCW33 Indoor Outdoor Thermometer Weather Clock has a radio controlled time signal.