2 to 8 channel control unit Features • Lockable mild steel passivated powder coated housing for indoor use • IP65 • Graphic display simultaneously showing reading for each channel and sensor type • Data logging and event data logging as standard • Visual alarms for alarm, fault and power • Inbuilt battery backup • Inbuilt safety barriers available for use with I.S detector heads • Full calibration menu via external push buttons • 24v D.C power supply for external visual and audible alarms • Each channel can accept: • 2-wire current source 4-20mA • 3-wire power plus current source 4-20mA • 3-wire pellistor systems and output: • 4-20mA current source proportional to the detected signal • 4-20mA current sink proportional to the detected signal • 0 to 5v voltage output proportional to the detected signal • 4 master

Sensor specifications: Input Modules Signal Inputs: 4-20mA current loop from 24V source 4-20mA current loop sink to 0V 3-Wire pellistor systems DC voltage input Weight (approx): 16kg Operating Temp: -10ºC to +50ºC Analogue Output: 4-20mA current source proportional to detected signal. 4-20mA current sink proportional to detected signal. 1-5V voltage output proportional to detected signal. Storage Temp: -20ºC to +50ºC Humidity Range: 0 to 95% R.H. Non-condensing Input Voltage: 24V DC, or 120/230V AC 50/60 Hz Tolerance ± 10% Environmental Rating: IP65 Note: For compliance with UL3101-1 and CSA22.2...