• Scientific Controls

Oil/Winding Temperature Indicator

Scientific Controls is one of the leading designers, developers and manufacturers of "Osmadial" and "Sciecon" brand instruments, tested to high standards. The range includes: temperature gauges, pressure gauges, temperature indicators, bearing temperature detectors, dial thermometers, controllers, temperature and pressure recorders, thermocouples, thermowells, oil/winding temperature indicators. Model 2031 is a high performance, precision micro switch instrument with ±2.5°C accuracy, capable of temperature monitoring, indication and control, for the protection of transformers from 5 MVA rating. Technical data: dial diameter – 150 mm segment dial; angular sweep – 60°; range – 0-150°C; accuracy – ±2.5°C; graduations – 2°C per division; electrical connections – cable conductor size 1 sq.mm; oil temperature – 4-core copper cable for switch connections (length as per customer requirement); winding temperature indicator – 4-core for switch connections and 2-core copper cable for CT connection length as per customer requirement); all line to body (earth) high voltage breakdown tested – 2.5 kV AC, 50 Hz for 60 seconds; switch configuration, maximum number of switches – 2; switch type – heavy-duty micro switch; switch rating – 5 A at 240 V ±10% AC and 0.5 A at 220 V ±10% DC; switches – normally open type; adjustable range – 10-90% of full scale range; switch differential – 5°C fixed; switch accuracy – ±2.5°C of set value; contact type – switch contacts are potential free; instrument case – weatherproof aluminium alloy casting with epoxy coated at all sides; suitable for outdoor mounting –protective class IP55 as per IS 13947 part II; capillary entry – bottom or top of the case; capillary length – up to 6 metres; material – capillary line protected by flexible stainless steel armour; and standard fittings – resettable maximum pointer, anti-vibration mounting.