General Tools ABAR300 Analog Barometer takes barometric pressure readings. This tool combines a thermometer and hygrometer into one compact tool. Previously made by Mannix. Discontinued Product - No Replacement Available.

General Tools DL8829 Data Logger for Temperature Humidity this former Mannix instrument provides recordings of relative humidity and temperature. General Tools DL8829 Data Logger for Temperature Humidity logs data for days, weeks, or months and multiple data loggeres can be programmed and data downloaded from a single docking station.

General Tools SP100CR Sling Psychrometer is fast, accurate and easy to use. General Tools SP100CR is made of high impact plastic construction. Formerly Mannix Instrument.

General Tools SP100FR Red Spirit Filled Sling Psychrometer in Fahrenheit is accurate and easy to use. Features an easy to read scale in high impact plastic.

General Tools DTR900 Thermometer Indoor Outdoor with Digital Display is designed to provide the user with inside and outside temperatures simultaneously with date and time. The General Tools DTR900 features MIN/MAX temperature readings, a water-proof exterior sensor capable of fitting into tight spots, and switchable F/C units.

General Tools IRT408K Infrared Thermometer with K Probe port is an infrared thermometer with a K-Port,wide-range gun. It has Thermocouple probe scan function. Formerly Mannix Instrument.

Amprobe TPP1-F1 Probe Thermometer measures degrees in Fahrenheit. The Amprobe TPP1-F1 has digital displays with a resolution of 0.1 and features a Data Hold to maintain the temperature on the display, For measuring degrees in Celsius, please see the Amprobe TPP1-C1 Probe Thermometer.

Amprobe 15XP-A Digital Multimeter delivers the best performance in a compact instrument. Every XP DMM includes select features that make your testing safer, easier, and more efficient whether it be in field service, electronic repair, electrical or HVAC applications.

Dent Instruments CT-FLN-6000-U Clamp-on Current Transformer for Dent Instruments data loggers. 10 inch (254mm) opening. Range 20-7500A. Made in the USA.

Dent Instruments CT-FLN-3000-U Clamp-on Current Transformer for Dent Instruments data loggers. 10 inch (254mm) opening. Range 10-4000A. Dent Instruments Parts and Accessories. Made in the USA.