5...50°C - -40...1000°C

The Extech CO100 is a desktop indoor air quality CO2 monitor that measures carbon dioxide concentrations (CO‚‚) from 0 to 9,999ppm, air temperature and humidity. With user-programmable visible and audible CO2 warning alarm. The Extech CO100 has a maximum/minimum CO2 value recall function. Maintenance-free NDIR (non-dispersive infrared) CO2 sensor. Complete with Universal AC adaptor. CO2 meter against COVID The Extech CO100 CO2 air quality meter is highly suitable for the prevention of spreading the Coronavirus within your office or indoor workspace. The easily readable display shows you at which eleven ventilation of the room is required to prevent the virus from spreading by air. A preset alarm at a ppm level at your requirement will notify you if the max. ppm is reached in the room. Place the Extech CO100 CO2 meter on your desk to monitor the air quality in your workspace or office. 450 – 800 PPM: The office space is well ventilated. 800 – 1200 PPM: Bad ventilated, busy working space. Loss of concentration can start at this level, and the Coronavirus can be spread. Ventilation is required. 1200 – 2000ppm: Unpleasant feeling, lack of concentration. Ventilation is obligated at this level or above.

The Extech EX655 is a 600A True RMS AC/DC Clamp Meter. This clamp meter also measures AC/DC voltage, resistance, capacitance, frequency, temperature, continuity/diode test, and an NCV detector. The Extech EX655 clamp has a 30mm jaw size which accommodates conductors up to 350 MCM. This meter also features a 6000 count backlit LCD display, data hold, min/max, relative function, low pass filter, inrush mode, DC zero function, LCD trending bar graph, auto power-off, and a convenient LED work light. Complete with test leads general purpose bead wire Temperature probe and 3 AAA batteries.