supply of oti, wti & related equipments for meil-mp intra 50mva transformers , dig.ind.rott / rwtt, 0`150, 4`20ma digital indicator for rott / rwtt, suitable for 4-20ma input signal, temp.range:0-150 deg c & 92mmx92mm panel output.note: supplier shall offer suitable model matching above specifications, along with catalogue, technical datasheets drawing for overall dimensions, wiring schematic etc , oti 0`150 1.5% 2s / w 6m 270swp 150mm dial type oti with angular sweep of 270 degree for temperature range of 0-150 degree celsius with accuracy of + / - 1.5% ( or better ) of full scaledeflection.the instruments should be capable of withstanding high voltage of 2.5 kv acrms, 50 hz for 1 minute.the terminal provided for auxiliary wiring should be press-fit type.the thermometer shall have adjustable, potential free alarm and trip contacts, maximum reading point and re-setting device, switch testing knob & anti-vibration mounting grommets ( for projection mounting ) . type of switch ( no / nc ) shall be heavy duty micro switch of 5a at 240v ac / dc, adjustable range shall be 20-90% of full scale range. the instruments case should be weather proof with epoxy coating at all sides. instruments should meet degree of protection of ip55 as per is / iec-60529. a temperature sensing bulb shall be connected to the oti instrument by means of flexible stainless steel armour to protect capillary tubing of length 6m. temperature indicator dials shall have linear gradiations to clearly read atleast every 2 degree celsius. , simplex pt100 oti 0`150dsimplex pt100 temperature sensor for roti having nominal resistance of 100 ohms at 0 degree celsius . the pt100 temperature sensor shall have three wire ungrounded system. the calibration shall be as per is 2848 or equivalent. , rcxt & ps roti 0`150d dual o / prcxt & power supply unit for simplex pt100 temperature sensor for roti with temp.range of 0`150 degree celsius. rtd shall include image coil for oti systems and shall provide dual output of 4-20 ma for scada system. , wti 0`150 1.5% 4s / w 1.5a 270sw 150mm dial type wti. it shall have angular sweep of 270 degree. range of temperature should be 0-150 degree celsious with accuracy of + / - 1.5% ( or better ) of full scale deflection. the instruments should be capable of withstanding high voltage of 2.5 kv ac rms 50hz for 1 minute. the terminal provided for auxiliary wiring should be press-fit type the thermometer shall have 4 nos adjustable , potential free contacts. the instruments should be provided with maximum reading point and resetting device, switch testing knob & ant-vibration mounting grommets ( for projection mounting. type of switch ( no / nc ) shall be heavy duty micro switch of 5a at 240v ac / dc. adjustable range shall be 20-90% of full scale range. the instruments case should be weather proof and epoxy coating at all sides. instruments should meet degree of protection of ip55 as per iec60529. a temperature sensing bulb shall be connected to the wti instrument by means of flexible stainless steel armour to protect capilliary tubing of 6m length. , simplex pt100 oti 0`150dsimplex pt100 temperature sensor for rwti having nominal resistance of 100 ohms at 0 degree celsius . the pt100 temperature sensor shall have three wire ungrounded system. the calibration shall be as per is 2848 or equivalent. , rcxt & ps rwti 0`150, 1.5a, 20 / prcxt & power supply unit for simplex pt100 temperature sensor for rwti with temp.range of 0`150 degree celsius and 1.5a bct current.rtd shall include image coil for wti system and shall provide dual output4-20 ma for remote wti and scada system individually. => limited