Proactive measurement of indoor air quality (IAQ) and of ventilation system performance is being increasingly recongnised as an essential step to providing occupants with a healthy and productive environment, to meet emerging regulations and to optimise energy costs. | Indoor Air Quality Monitor Sensor : - CO2 / CO / Temperature / Relative Humidity Optional Sensor : - Ozone / Hydrogen Sulfide / Oxygen / Nitrogen Dioxide / Sulfur Dioxide / VOC | more | pdf format 1739KB | | | |  | Ultrasonic Wind Speed & Direction Sensor Ultrasonic anemometers have been specifically designed to operate in the worst of environmental conditions, including the measurement of wind speed and direction in hazardous areas, in the petrochemical industry, naval ships, wind turbines, ocean data buoys and airport meteorological stations. Gill sensors are used in applications where the highest reliability is demanded. | more | pdf format 258KB | | | |  | Ventilation Testing - Air Capture Hoods Measure air volume flowing through registers, diffusers and grilles. Weighting just seven and a half pounds, these are capture hoods are easy to carry, lift and use. | more | pdf format 1082KB | | | |  | CAL95 Micro Manometer Calibrator The CAL95 is a high precision portable air pressure manometer which is battery operated by 4 x 1.5V AA batteries which are fitted into special compartments on the rear of the instrument. A sparate power supply for 230VAC is available for bench work to save battery power as optional. It comes complete with shoulder carrying case. | more | pdf format 6764KB | |