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Photoelectric Photometer KFK-3-01
The KFK-3-01 photoelectric photometer is a classic laboratory photocolorimeter / spectrophotometer designed for the analysis of liquid solutions based on light absorption and transmission. This stationary photoelectric instrument is used to measure: Directional transmittance coefficient (T, %) — the amount of light passing through a solution; Optical density (OD) — the degree of light absorption by a solution; Substance concentration — calculated after calibration; Reaction kinetics — changes in optical density over time. The KFK-3-01 is widely used for routine quantitative and qualitative laboratory analysis.
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Main Technical Specifications
Spectral Range
315–1000 nm (visible range and part of near-infrared)
Measurement Wavelength Range
~330–780 nm — effective working wavelengths
Transmittance Range (T, %)
1–99 %
Optical Density (OD)
0.004–2 or 0–3 Abs (logarithmic scale)
Concentration Range
0.001–9999 units (arbitrary units after calibration)
Transmittance Accuracy
±0,5–0,6 %
Wavelength Setting Accuracy
±3 nm
Light Source
Halogen lamp KGM12-10-2
Power Supply
220 V, 50 Hz
Cuvettes (Optical Path Length)
1, 3, 5, 10, 20, 30, 50, 100 mm
Dimensions
500×360×165 mm
Weight
10–15 kg
Advantages of the KFK-3-01 Photoelectric Photometer
Wide Spectral Range (315–1000 nm)
Covers almost the entire visible spectrum and part of the near-IR range, enabling analysis with various reagents and analytical methods.
Broad Concentration Measurement Range (0.001–9999)
Allows reliable analysis of both very low and relatively high concentrations.
Halogen Light Source with Diffraction Grating
Provides a stable and uniform light spectrum, delivering higher measurement accuracy compared to simple filter-based photometers.
Multiple Cuvette Path Lengths
Enables adjustment of the optical path to sample concentration: longer paths increase sensitivity for dilute solutions, while shorter paths are suitable for concentrated samples.
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