Olympic Bili-Meter™ Irradiance Measuring Instrument, Model 22 Bili-Meter™ with Type B-22 Sensor Irradiance Measuring Instrument is an accurate instrument for measuring blue spectrum of fluorescent and halogen phototherapy lamps in µw/cm²/nm. Irradiance Measuring Instrument, Model 22 Bili-Meter™ with Type F-22 Sensor Irradiance Measuring Instrument is an accurate instrument for measuring blue spectrum Olympic fiber optic type phototherapy pads. Features of Model 22 Bili-Meter™ with Type B-22 Sensor and Model 22 Bili-Meter™ with Type F-22 Sensor : • Battery operated. • Available with Large, easy to read digital display. • Main feature is memory retains up to the last reading taken. • Instrument is certified to factory certified NIST standards. • Model 22 Bili-Meter™ with Type B-22 Sensor is provided with B-22 sensor and battery. • Model 22 Bili-Meter™ with Type F-22 Sensor is provided with F-22 sensor and battery. • Use the Type B-22 sensor with Olympic Bili-Lites or the Olympic Bili-Bassinet for precision. • Use the Type F-22 sensor with the Olympic Bili-Lite Pad for precision