Abstract: A photometric process measurement arrangement and a photometric measurement method.

Abstract: A photometric process measurement arrangement (10) comprising a photometric immersion probe (20), the photometric immersion probe (20) comprising a photometer flashlight source (61) for providing photometric light impulses, a photometric detector arrangement (70) comprising at least two separate wavelength-selective detection elements (71, 72, 73), and a photometer control (80) controlling the photometer flashlight source (61) and the detector arrangement (70), the photometer control (80) comprising: impulse signal integrators (819, 829, 839) for integrating the electric impulses having the impulse intensity (Ui) generated by the detection elements (71, 72, 73) of one impulse integration cycle (204; 221; 264), a measurement cycle control (90) for adapting the total number of integrated cycle impulses of an impulse integration cycle (204;221;264) to the impulse intensity (Ui) of the single electric impulses, A/D-converters (81, 82, 83) for converting the voltages of the impulse signal integrators (819, 829, 83

Abstract: The invention refers to a photometric process measurement arrangement (10) with a photometric immersion probe (20). The photometric immersion probe (20) comprises a photometer flashlight source (61) for providing photometric light impulses, a photometric detector arrangement (70) comprising at least two separate wavelength-selective detection elements (71, 72, 73), and a photometer control (80) controlling the photometer flashlight source (61) and the detector arrangement (70). The photometer control (80) comprises several impulse signal integrators (819, 829, 839) for integrating the electric impulses generated by the detection elements (71, 72, 73), several A/D-converters (81, 82, 83) for converting the voltages of the impulse signal integrators (819, 829, 839) when high-precision-converting trigger ports (H) of the A/D-converters (81, 82, 83) are triggered, and a measuring cycle control (90) with an integration target memory (94) memorizing an integration target voltage value (Ut).

Abstract: A photometric process measurement arrangement and a photometric measurement method The invention refers to a photometric process measurement arrangement (10) comprising a photometric immersion probe (20) comprising a photometer flashlight source (61) for providing photometric light impulses, a photometric detector arrangement (70) comprising a separate wavelength-selective detection element (71, 72, 73), and a photometer control (80) controlling the photometer flashlight source (61) and the detector arrangement (70), The photometer control (80) comprises: An impulse signal integrator (819, 829, 839) for integrating the electric impulses having the impulse intensity (Ui) generated by the detection element (71, 72, 73) of one impulse integration cycle (204; 221; 264), a measurement cycle control (90) for adapting the total number of 20 integrated cycle impulses of an impulse integration cycle (204;221;264) to the impulse intensity (Ui) of the single electric impulses, an A/D-converter (81, 82, 83) for convertin

Abstract: The invention refers to a photometric process measurement arrangement (10) with a photometric immersion probe (20). The photometric immersion probe (20) comprises a photometer flashlight source (61) for providing photometric light impulses with a continuous spectrum, an impulse energy capacitor (33) for storing the electric impulse energy and having an actual electric capacitors voltage (U), an impulse ignition switch (36) electrically arranged between the impulse energy capacitor (33) and the photometer flashlight source (61), an ignition voltage memory (45) memorizing an ignition voltage value (Ui), and a falling-edge ignition trigger (42) which closes the impulse ignition switch (36) in the moment when the falling actual electric capacitors voltage (U) equals the memorized ignition voltage value (Ui).

Abstract: The invention refers to a photometric process measurement arrangement (10) with a photometric immersion probe (20) being electrically supplied with a probe supply voltage (Us) and comprising: a photometer flashlight source (61), an impulse energy capacitor (33), an electronic flyback-converter (30) for successively electrically charging the impulse energy capacitor (33) with numerous charging voltage quantums (Uq), whereas the flyback-converter (30) is provided with a converter switch (31) between a converter supply voltage port (80) and a transformer (32), and a switching signal generator (49) for driving the converter switch (31) with a switching signal and comprising a standard duty cycle signal generator (44) for driving the converter switch (31) with a standard duty cycle value (D1) and comprising a boost duty cycle signal generator (45) for alternatively driving the converter switch (31) with a higher boost duty cycle value (D2), when the boost duty cycle signal generator (45) is activated.

Abstract: The invention is directed to a multi-wavelength process photometer (20) for quasi-continuously determining the absorption of a liquid sample, comprising a continuous-spectrum flashlight source (24), a transparent liquid sample measurement cell (40) which is radiated by the flashlight source (24), a translucent light diffusor element (50) behind the measurement cell (40) for homogenously diffusing the light of the flashlight source (24) coming from the liquid sample measurement cell (40), and at least two different wavelength-selective light detectors (61, 62, 63) behind the light diffusor element (50), wherein the light detectors (61, 62, 63) have substantially the same distance (X4) to the light diffusor element (50).