Quartz control plate, single, -30°Z (±1°Z), 2221,80 CHF

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Quartz control plate, single, -30°Z (±1°Z) with temperature sensor Quartz control plates are long-term stable measuring standards. They are used for checking and calibrating polarimeters. For this purpose, 0.4 to 1.6 mm thin quartz discs are ground with the highest precision perpendicular to the axis and parallel to the axis and installed stress-free in a stainless steel tube. All SCHMIDT + HAENSCH quartz control plates are supplied with a test certificate stating the absolute angle of rotation in angular degrees and °sugars for the wavelengths 405, 546, 587, 589.3, 589.44, 633 and 882 nm. The sample chamber of Schmidt+Haensch polarimeters allows both vertical displacement of quartz control plates and free rotation (±360°) around its own axis. Only by rotation can it be determined whether the plates are gripped stress-free and enable the polarimeters to be checked in accordance with the implementation regulations (SPS) of international standards such as ICUMSA and OIML. The measured values of all polarimeters are influenced by temperature. To compensate for these temperature influences, we recommend equipping quartz control plates with a temperature sensor. As soon as the plug of the temperature sensor is connected to the polarimeter via the socket inside the sample chamber, the measured value corrected to 20°C is automatically shown on the display. The measured temperature is also displayed. If no temperature sensor is connected, the polarimeter assumes that measurements are being taken at the reference temperature of 20°C (25°C). The measured value must then be corrected manually. Quartz control plates, single, -30°Z (±1°Z)

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Schmidt&Haensch

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