supply of various lab equipments for the use of building science lab i in architecture engineering department of rajiv gandhi institute of technology, kottayam. supply of various lab equipments for the use of building science lab i in architecture engineering department of rajiv gandhi institute of technology, kottayam. , supply of various lab equipments for the use of building science lab i in architectureengineering department , temperature humidity meter specifications display: 3 1 / 2 digit lcd range: -50 c~1300 c resolution: 1º c accuracy: ± 2 c~ -50 c to 0 c battery: standard 9 v battery ( neda 1604, iec 6f22 ) , solar power meter specifications display 3½ digits, 2000 readings range 2000 w / m2, 634 btu / ( ft2xh ) resolution 0.1 w / m2, 0.1 btu / ( ft2xh ) sampling time 0.25 second power supply: 9 v battery x1 , globe thermometer for the measurement of radiant heat specifications thermocouple type k measuring range: 0 to + 120 o c , digital vane anemometer 4 digit lcd backlight display. - max - hold function. measurement units : knots, mph, km / h, m / s, ft / min. memory of maximum, minimum and average record for both temperature and wind speed — air velocity average reading upto 8 multiple points. — auto power off function — 2 meters coiled cable operating temperature meter :0°c to 50°c ( 32° f ~122° f ) , < 75 % relative humidity vane : 0°c to 60°c ( 32° f ~140° f ) , storage temperature: - 20°c to 55°c at < 80 % relative humidity , hotwire thermal anemometer with temperature measurement 0-500 c , thermal imager ir resolution ( fpa size ) 160 x 120 epa spectral band 7.5?m to 14 ?m ( long wave ) netd ( thermal sensitivity ) < or= 0.08°c at 30°c target temp ( 80 mk ) fov ( field of view ) 22.5°h x 31°v ifov ( spatial resolution ) 3.39 mrad ir fusion technology pip ( 1.2 m ( 4 ft ) to 4.6 m ( 15 ft ) ) , full ir, full visible minimum ir focus distance 122 cm ( 48 in ) battery ( field-replaceable, rechargeable ) memory storage minimum 2 gb sd memory card , sound source sound power level: 0 to 118 db re 1 pw, mains operated 0 to 115 db re 1 pw. battery operated variable attenuation from 0 to —40 db in 10 db steps. sound power spectrum :wide band: 100 hz to 4 khz +0 db to —10 db re: max. level 63 hz to 10 khz, +0 db to —30 db re: max. level spectrum l: fulfills astm e 597 spectrum ii:fulfills astm e 597 overload indication: indicates max. sound power level ( overload ) and —3 db re overload pink noise output: ( to external fitter input ) : pink noise from 50 hz to 10 khz: 0.7 v rms. max. load: 500 ohm