Classf is equivalent to iec 607512008 after continuously heating crz1632 at 400. Among them are iec 751, din 43760, en 60751, and bs en 60751. Temperature dependent platinum thin film chip resistor rtd. Hm40 series handheld humidity and temperature meter. Transmitters for highaccuracy measurements in hvac applications hmdw110 series humidity and temperature transmitters for measurements in. Hm70 handheld humidity and temperature meter for spot. The following table relates the old tolerance designation to the new. But remember, when specifying a class a rtd, you must always include the working range at which it must perform to this accuracy. Platinumchip temperature sensors design type pcspcf in. Solder connection material packaging unit in belt on reel f0.
The tolerances values of the pts at series are classified by the following equations as specified by iec 60751. Another standard, astm e17, uses the same nominal characteristic curve, but defines tolerances differently, and designates them as grade b and grade a. This is where thing start to get a little more complex. Temperatures in degrees celsius are denoted by the symbol t, except in table 1 where the full nomenclature t90c is used.
Class a and class b relate to iec 751 1983 bs en 60751 1996. Inverted wires extended wires recommended applied current. But as the temperature increases, so does the permissible deviation due to the variations possible in. What is the difference between the iec 60751 specification and the din en 60751.
However, ultimately, only the accuracy class of the temperature range used can apply. Data sheet temperature pt 150 c innovative sensor technology. Vaisala humicap hm40 handheld humidity and temperature meter. The din specification is basically the iec spec with a cover page. Minco components what is class a and class b tolerance. Humicap humidity and temperature probe hmp155 b210752enf. There is an optional traceable calibration certificate that includes 2 points for co2 ppm and 2000 ppm, one relative humidity point apr. International standard iec 602551 has been prepared by iec technical committee 95. Highprecision temperature measurements using platinum rtd. Hmt330 series humidity and temperature transmitters for. Caution must be exercised with 2wire prts due to lead resistance. Rtd questions and answers resistance thermometer questions.
The constants for the iec 60751 tc 3850ppm curve are. The text of this standard is based on the following documents. Pts series temperature dependent platinum thin film. Platinumchip temperature sensors pcs design type in smd. Transmitters for building automation applications hmdw80 series humidity and temperature transmitters for multiple applications within building automation. Vaisala hmdw80 series humidity and temperature transmitters. Iec 60751 aecq200 qualified short reaction times down to t0. Rtd tolerance classes technical brief todays tolerance classes grew out of the practical need to be able to install and replace probes and have them work the same from probe to probe, plugandplay, so to speak. Hmdw80 series humidity and temperature transmitters for. Hmdw110 series humidity and temperature transmitters for. Pt100 accuracy and probe classification atp instrumentation ltd. This standard cancels and replaces the second edition of iec 602556, published in 1988, and constites a technical revision. The tolerances values of the pts series are classified by the following equations as specified by iec 60751. Rtd standards sama, gost, oiml, jemima, bs, jis, din, astm, iec.
There are four accuracy classes specified in iec 60751, listed from least. Hold screen and tag point with right function button. Hmdw110 series humidity and temperature transmitters for high. Hmt330 series humidity and temperature transmitters. There are a number of standards that either copy or are predecessors of iec 60751. Oct 11, 2018 in using the previously established pw technology, the characteristics curve shows very good performance according to iec 60751 the class f0. Changes to the international standard for industrial prts. Data sheet temperature pt pg innovative sensor technology. Innovative sensor technology ist ag reference iec 60751 f0. What is the difference between the iec 60751 specification and the din en 60751 specification. Frequently asked questions about platinum rtd elements heraeus. The iec 60751 and din en 60751 specifications are identical.
Frequently asked questions about platinum rtd elements. Pts at temperature dependent platinum thin film chip. The table below shows the tolerances of each class of probe at various temperatures. Operating limits and tolerances of platinum resistance. Operating limits and tolerances of platinum resistance thermometers per en 60751. Gmw83rp hvac temperature, humidity and co2 sensor for dcv. Standards defining temperature sensors burns engineering. Hms110 series humidity and temperature transmitters for. Old tolerance designation new tolerance designation class. Thin film or wirewound platinum rtd elementwhich one should i choose. According to iec 60751 the values of the coefficients are. To see the full table every 1c, visit temperaturezpdfz252254. Hms110 series humidity and temperature transmitters for highaccuracy outdoor measurements in building automation applications.