1144-Pt - 2 Pages

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1144-Pt

Catalog excerpts

Platinum Resistance Thermometer Simulation Model 1146-Pt100 Model 1144-Pt100 Model 1144-Pt500 Model 1144-Pt1000 Delivery:    ex stock 1144-Pt EN ■ TK < 10 ppm/K ■ More than 60 fixed temperature values from - 200 °C ... + 800 °C ex stock ■ Calibration in acc. with DIN EN 60751 ■ ± 0.02 % tolerance for the models 1144-Pt 100, 1144-Pt 500 and 1144-Pt 1000 ■ ± 0.05 % tolerance for model 1146-Pt100 ■ Resistance material MANGANIN® Application Today resistance thermometers are one of the important precision and operating measurement instruments of technical temperature measurement. Fast and easy testing of display, control and recording devices in measurement and process engineering is essential. Fixed temperature values can easily be simulated according to the characteristic curves of Pt100, Pt500 and Pt1000 using the precision resistors calibrated in °C (the inscription also includes the resistance value in Q). The small dimensions of the resistors allow the installation in measuring instruments or measuring circuits for comparison or control measurements. Consideration of the ambient temperature is not necessary and the temperature coefficient of < 10 ppm of the used material MANGANIN® is negligible. Description The precision resistors of the models 1144 and 1146 consist of low-capacity and low-inductance wire coils made of MANGANIN®, which are cast in small plastic cylinder housings. Prior to comparison, the resistance bodies are exposed to a meticulous artificial aging procedure. This special method and comparison at approximately only half of the nominal tolerance guarantee long-term stability of < 0.02 % over the course of years. Technical changes reserved. All data sheets at www.burster.com burster praezisionsmesstechnik gmbh & co kg Germany www.burster.com Talstr. 1-5 Gernsbach 76593 Phone +49-7224-6450 info@bursler.com

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Resistance Values Temperature Value in °C t90 Technical Data Resistance material: Temperature coefficient: Error tolerance: MANGANIN® < ±10 ppm/K model 1144 ± 0.02 % model 1146 ± 0.05 % 0 10.5 Model Balance temperature: Balance point: Temperature range: Basic values: Coil design: Long-term stability : Operating voltage: Temperature range: Temperature dependence: 23 °C for connecting wire of 5 mm length - 200 ... + 800 °C calibrated acc. to DIN EN 60751 graduated coil according to Chaperon < 0.02 % over years max. 500 V 0 °C ... 85 °C R = R20 [1 + “20 (t-20) + p (t-20)2 ] Ultimate load:...

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