Description Fresh Aire UV offers an advanced UV radiometer to monitor any UV lamp system and to ensure efficient and timely lamp replacement. Using a remotely mounted UV sensor (available in any UV spectrum) the meter provides a real-time reading of UV output intensity that is indicated by a multi-colour LED and alphanumeric display. A dry contact relay gives the ability (NO and NC) to easily interface to building management systems (BMS), remote alarm indication, audible buzzer alarm, as well as data logging. Features: 4-digit, high-intensity alphanumeric display which is readable in high light conditions Intuitive multi-function single “MODE” button Multi-colour LED indicator Factory programmable UV thresholds (NRE applies) UV sensor supplied (specify UV-C lamp) Metal housing for the sensor Audible alarm buzzer (can be enabled/disabled via software menu) Real-time intensity feedback Days counter Abnormal operation indication LED Indication Green: 75% – 100% UV Intensity Yellow: 60% – 74% UV Intensity Red: 41% – 59% UV Intensity Flashing Red: <40% Buzzer: <40% Error Indications “Connect Sensor”: A proper sensor is not attached to the radiometer “Sensor Saturated”: the sensor detects UV intensity greater than 21,300 µW/cm2 Open/Fault/Disconnected sensor indication Specifications: Power supply: 24VAC 0.35A 50-60Hz Dry contact output: 250VAC/1A Operating temperature: 0-50˚C Maximum intensity range: 20,000 µW/cm2 Supplied with power supply, interface wiring and sensor (specify: UVA, UVB or UVC) Data Logging Output: Data logging output is a linearized analogue voltage with the following endpoints: 0% = 0 Volts 100mVolts / – 0mVolts 100% = 10 Volts ± 500mVolts
