Technical Specifications

Manufacturer	Coltraco Ltd, 46 Mount Street, London, W1K 2SA, United Kingdom
Function	Fixed Fire Extinguishing Monitoring installation to ensure a constant liquid level, in high or low pressure, single-skinned steel cylinders or most types of single skinned industrial fluid containers and to warn if that level drops below the optimum point, signalling potential hazard.
Type	PERMALEVEL®
Verifiable Liquids/Gases	CO2, Halon, FM200™, Novec 1230, NAF S III, other Halon substitutes, LPG & almost any other liquid types such as chemicals and industrial fluids stored in almost any single-skinned container which conducts ultrasound.
Sensor	Single crystal sensor made of a piezoelectric material which vibrates or emits ultrasound when acted upon by an electric current fitted with a magnetic head to affix to the container, 16 x 16 mm.
Alarm system	RS232, linked to mains electricity to relay the warning signal back to safety hub or the local control (as per customer specifications).
Power Supply	On/Off Switch, SPA (increases transmitter receive signal) switch,“CAL” self-calibration switch
Display	Digital: LED and LCD digital display
Power Supply	Can work on most manufacturing voltage internationally and 230Volts A/C for UK or can be configures for DC.
Back Up Power Supply	Optional x4 AA 1.5V battery standby back up (to be replaced every 6 months especially in a hot climate).
Weight	700 g (packed inc. carrying case: 3.7 kg)
Unit Dimensions	155 x 95 x 95 mm (packed for shipping, inc. Carrying case: 340 x 310 x 180 mm).
Operating Temperature	The complete instrumentation will operate at -10ºC to + 70ºC, operation is dependent upon the chemical properties of the liquid gaseous or liquid being measured.
Warranty	Sensor – 1 year warranty, Unit – 3 year warranty (please note the exceptions).

All the specifications are subject to alteration at the manufacturer’s discretion.