General Specification Physical
Dimensions (hxwxd)	280 x 230 x 130 mm
Weight	1.7 kg including sensor and 10 metres of cable
Protection Class	Electronics: IP54 Sensor: IP68
Enclosure Material	Dark Blue Nylon
Cable Length	10 metres standard, 15 metres maximum
Electrical
Power Supply	9V Battery (PP3)
Battery Life	6 months typical use
Environmental Data
Operating Temperature	0 to 40ºC, limited by the risk of ice formation interfering with the measurement
Storage Temperature	-20 to 60ºC
Location	Indoor/Outdoor
User Interface
Display	Front Panel LED - 'ON' in Sludge
Audible Output	Short Tone in Water Long Tone in Sludge

Sensor Specification Measurement Characteristics
Principal of Operation	Light Attenuation
Wavelength	960 nm Infrared
Accuracy	+/- 1 cm of interface
Resolution	Standard cable markings every 1.0 metres
Units of Measurement	metres
Response Time	0.5 seconds
Sensor Selection
IR100	Range: 0-200 mg/l Optical Path: 100 mm Special Application Only
IR40	Range: 0-1,500 mg/l Optical Path: 40 mm Wastewater Treatment - Final Settlement and Humus Tanks Drinking Water Treatment - Clarifers
IR15	Range: 0-10,000 mg/l Optical Path: 15 mm Wastewater Treatment - Primary Settlement Tanks Drinking Water Treatment - Picket Fence Thickeners
IR8	Range: 0-30,000 mg/l Optical Path: 8 mm Wastewater Treatment - Picket Fence Thickeners