The company's extensive catalogue includes chart recorders, data loggers, gauges, thermostats, temperature alarms, thermometers and megohmmeters. Supco data loggers are designed for concise measurements of critical environmental conditions, such as temperature, humidity and indoor air quality. They feature a user-selectable stop button on memory-full situations for continuous recording & real-time monitoring. These devices are powered by a 3V lithium coin-cell battery for minimum power drainage. They are compatible with Windows-based systems and are equipped with a USB interface. Supco offers IAQ Series indoor air quality monitors to identify sick building syndrome caused due to increased levels of CO2 and measure temperature & humidity levels. These monitors feature a non-dispersive infrared sensor for CO2 level detection & an audio-visual CO2 alarm with a sound range of 80 dB to alert when the CO2 levels are high. Choose from a wide range of these indoor air monitors and other brand products, such as capacitors, relays, valves, switches, and surge protectors on Raptor Supplies.