General Tools ABAR300CERT - with NIST Calibration Certificate Analog Barometer digitally Measures barometric pressure. General Tools ABAR300CERT Analog Barometer brings a digital thermometer and hygrometer in a classic design. Formerly Mannix Instrument. No longer available with Calibration Certificate.

General Tools ABARTHCERT with NIST Calibration Certificate Thermo Hygrometer Barometer is a 3-in-1 analog weather monitor. General Tools ABARTHCERT Thermo Hygrometer Barometer is a digital thermometer and hygrometer with brass construction and beautiful decor. Formerly Mannix Instrument. No longer available with Calibration Certificate.

General Tools AQ150CERT - with NIST Calibration Certificate Digital Aquarium Thermometer displays ambient and remote temperature. This digital probe thermometer has features that make it extremely easy to use. No longer available with Calibration Certificate.

General Tools ASM8926CERT - with NIST Calibration Certificate - Analog Sound Meter checks sound levels economically. General Tools ASM8926CERT Analog Sound Meter, a noise level meter, is benefitted by its easy calibration adjustment. Formerly Mannix Instrument

General Tools CAP1500CERT - with NIST Calibration Certificate - Automatic Capacitor Tester 0.5 per cent accuracy makes it one of the most accurate capacitor testers. General Tools CAP1500CERT Automatic Capacitor Tester provides General Tools tester easy measurement. Formerly Mannix Instrument. No longer available with Calibration Certificate.

General Tools CM8746CERT - with NIST Calibration Certificate - Data Logging Digital Psychrometer is a sling psychrometer featuring measurements of wet bulb, dew point, or external probe temperature. HVAC technicians will value General Tools digital thermometer T1-T2 calculations of air temperature and external probe temperature. Formerly Mannix Instrument. Discontinued product.

General Tools CMM880CERT with NIST Calibration Certificate Thermo Hygrometer Digital is a Fast Response Thermo-Hygrometer. General Tools CMM880CERT Thermo Hygrometer Digital has a microprocessor based design. Formerly Mannix Instrument CMM880CERT.

General Tools CO502CERT - with NIST Calibration Certificate - Conductivity Meter has automatic temperature compensation. This water quality testing meter has a digital display. Formerly Mannix Instrument CO502CERT. No longer available with Calibration Certificate.

This UEi PET1 features variable sensitivity levels that let you check for AC voltages in the range of 12 to 600 volts. No longer do you need to purchase multiple testers to get the job done. Featuring a built-in continuity tester that allows you to quickly check non-energized circuits using just the sensor tip and a finger. This functionality allows you to determine if controls and contactors are connected, verify fuses are working, check for ground faults, check light-bulb filaments, and even identify the correct wire in a veritable haystack of wire.

General Tools DAF2005MDLCERT- NIST Calibration Certificate Digital Vane Anemometer Data Logging measures air velocity, airflow, temperature and type "K" and "J" temperature. This data logging digital vane anemometer's real time data logger - records year, month, date, hour, minute and second. Formerly Mannix Instrument.

General Tools DAF3010CERT- with NIST Calibration Certificate Mini Air Flow Meter measures wind speed, temperature, air flow and has a wind chill display. This General Tools mini air flow meter is ideal for outdoors. Formerly Mannix Instrument. No longer available with Calibration Certificate.

General Tools DAF800CERT- with NIST Calibration Certificate Digital Anemometer is an anemometer that shows air flow displayed in 5 measuring units, (ft-min, m-s, km-h, MPH, knots). General Tools DAF800CERT Digital Anemometer proves itself as a digital anemometer with its Low friction ball vane wheel providing high accuracy at all air velocities. Formerly Mannix Instrument.