Resistors - Import export

Precision resistors are used wherever the highest standards of temperature stability, error tolerance and durability are required. Models 1164 and 1166 are available for higher loads up to 1 W. The resistors are supplied with two connections on the front end (suitable for mounting on circuit boards). The precision resistors comprise low-capacitance, low-inductance wire coils made of MANGANIN®, which are encapsulated in small plastic cylinder housings. Prior to trimming, the resistance bodies are exposed to a meticulous artificial aging procedure. This special process and trimming to approximately half of the nominal tolerance guarantee long-term stability of < 0.02% over the course of years. FEATURES: — TC ≤ 10 ppm/K —Class ± 0.02 % or ± 0.05 % —Production range from 5 Ω ... 100 kΩ —Resistance material MANGANIN® —Custom resistance values available on request —Minimum order per resistance value 10 pcs

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 Ω). The small dimensions of the resistors allow the installation in measuring instruments or measuring circuits for comparison or control measurements. Features: — TK ≤ 10 ppm/K — More than 60 fixed temperature values from -200 °C ... +800 °C ex stock — Calibration in acc. with DIN EN 60751 n - 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®

In connection with very precise digital voltmeters the model 1282 resistors are used as measuring resistors for accurate registration of direct and alternating currents up to 200 A. The compact construction supports universal application. The exceptional low temperature coefficient extends the scope of application a second time. A typical application is the wide range of quality and reliability testing. Regular measurements give a reliable information of the quality level of parts, instruments and systems. Technologies already approved with our precision and calibration resistors - which especially guarantee a secure conduction of the dissipation heat - have been transferred to the precision high capacity resistors. Features: — Temperature coefficient ≤ 10 ppm/K — Nominal load 20 W — Ranges 1 mΩ ... 100 mΩ — Four-terminal measurement principle — Accuracy 0.02 % — For technical frequency 50 Hz

The 0.02 class calibration resistors excel in their modern design and small mechanical dimensions. Their ruggedness also ensures a long life. Calibration resistors of the 1240 series are used wherever very constant operating standards are required. Typical main areas of application therefore include: — When normal resistors prove to be too large scale — For test and calibration of resistance measurement devices — For tests on electrical temperature measuring equipment — For laboratory setup of a Wheatstone bridge — As shunt resistor for accurate current measurement — As part of standard equipment in research laboratories — For a large part of measurements in calibration laboratory. Features: — Range 10 μΩ ... 100 kΩ — Low capacitance and low inductance design — Suitable for direct current and technical frequencies — High stability < ± 0.01 % over years

Our High-voltage resistors resp. High ohmic resistors are a available as flat and tubular resistors, in various series and as adjustable high-voltage potentiometers.

Our engine test beds are modular systems existing of control unit, dynamometer and mobile engine supports. Applications: Determination of engine performance, runnning engines under a defined load in order to determine other measuring values. Fields of application: Science, development, quality control by manufacturers and control authorities, education (especially air cooled dynamometers). New: Container for outdoor installation for performance testing at combustion engines with all kinds of dynamometers. Our range of engine test beds: - with eddy-current brakes (air-cooled or water-cooled) - low-inertia hydrostatic braking dynamometers - braking dynamometers with water brake - regenerative 4-Q-dynamometers - electric generators, loaded by resistors

Particularly for testing passenger car engines, truck engines and transmission units with combustion engines, when - the electric mains is too weak for frequency converters, - cooling water is not available or water-cooling is not desired, - air-cooled eddy-current brakes are not sufficient.