we reserve the right to make alterations and techni cal data printed. all technical data serves as a gu ideline and does not guarantee particular properties to any products. name of document: 30910008 index a status: 10/2010 platinum resistance temperature detector l 420 l series prtds are designed for large volume applic ations where long term stability, interchangeabilit y and accuracy over a large temperature range are vital. typical applic ations are automotive, white goods, hvac, energy man agement, medical and industrial equipment. specification din en 60751 (according to iec 751) temperature range -50c to + 400c (continuous operation) tolerance class b: -50c to +400c tolerance class a: -50c to +300c tolerance class 1/3 b: 0c to +150c temperature coefficient tcr = 3850 ppm/k leads agpd- wire lead lengths (l) 10mm 1mm long - term stability max. r0-drift 0.04% after 1000h at 400c vibration resistance at least 40g acceleration at 10 to 2000 hz , depends on installation shock resistance at least 100g acceleration with 8ms half sine wave, depends on installation environmental conditions unhoused for dry environments only insulation resistance > 100 m at 20c; > 2 m at 500c self heating 0.3 k/mw at 0c response time water current (v= 0.4m/s): t 0.5 = 0.08s t 0.9 = 0.25s air stream (v= 2m/s): t 0.5 = 3.5s t 0.9 = 15.0s measuring current 100 : 0.3 bis 1.0 ma 500 : 0.1 bis 0.7 ma 1000 : 0.1 bis 0.3 ma (self heating has to be considered) note other tolerances, values of resistance and wire lengths are available on request . nominal resistance r0 toler ance din en 60751 1996-07 tolerance din en 60751 2009-05 or der number plastic bag 100 ohm at 0c class b f 0.3 32 207 702 500 ohm at 0c class b f 0.3 32 207 703 1000 ohm at 0c clas s 1/3 b class a class b f 0. 1 f 0.15 f 0.3 32 207 587 32 207 582 32 207 704 the measuring point for the nominal resistance is d efined at 8mm from the end of the sensor body. 1901 route 130 north brunswick, nj 08902 phone 732-940-4400 fa x 732-940-4445 email info.hst-us@heraeus.com www.hst-us.com heraeus sensor technology usa
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