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: 30910061 index b status: 08/2010 platinum resistance temperature detector hm 220 hm 220 type platinum sensors are characterised by l ong-term stability, precision over a broad temperat ure range and compatibility. the main feature is the small design . they are used in particular for applications with high consumption volumes, e.g. white goods and heating power. the measuring point for the nominal resistance is d efined at 6mm from the end of the sensor body. specification din en 60751 temperature range -70c up to +600c tolerance class b: -70c up to 600c tolerance class a: -50c up to 300c temperature coefficient tcr = 3850 ppm/k leads pd alloy with pt coating wire lead lengths (l) 8mm 1mm long-term tests r 0 - drift after 1000h at 600c (energized) < 0,24% (unhoused chip in standard atmosphere.) environmental conditions unhoused for dry environmental only 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 insulation resistance > 100 m at 20c; > 1 m at 600c self heating 0.2 k/mw response time water current (v= 0.4m/s): t 0.5 = 0.05s t 0.9 = 0.14s air stream (v=2 m/s): t 0.5 = 3.0s t 0.9 = 10s measuring current 0.1 to 1ma (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 plasticbag 100 ohm at 0c class b class a f 0.3 f 0.15 32 208 787 32 208 788 1901 route 130 north brunswick, nj 08902 phone 732-940-4400 fa x 732-940-4445 email info.hst-us@heraeus.com http://heraeus-sensor-technology-us.com heraeus sensor technology usa
|
