+61 3 8706 5000
+49 (0)4821 4370343
+31 (0)180 463411
+31 (0)85 0436000
+31 (0)20 4940840
+65 68 72 08 63
+44 (0)783 346 4884
Observator Instruments supplies various measuring instruments to measure the indoor air quality. Compact, smart and easy meters, data loggers and monitors to measure CO2, CO, VOC, temperature, humidity and ventilation of the indoor air quality.