Multi-wavelength Abbe refractometers
Product Details & Documents
These multi-wavelength Abbe refractometers can measure refractive index or Abbe number ([nu]d or [nu]e) at different wavelengths.
A calibration certificate and compatible digital printer are available.
The units display measurement results on the display.
Delivery information: Supplied with a test piece (refractive index point), 4 ml of monobromonaphthalene, an Allen wrench, a lighting glass, one 589 nm interference filter, one 546 nm interference filter, ten tube bands, a spare bulb and an instruction manual. DR-M2/1550 and DR-M4/1550 come with a near infrared ray viewer, mounting adapter and set screw, monochromatic light source device, a test piece (refractive index point). DR-M4 and DR-M4/1550 also include 4 ml of methylene iodide-containing sulfur solution.
Specifications
- Model:DR-M4
- Refractive index:450 nm: 1,52 − 1,92 nD ; 589 nm: 1,47 − 1,87 nD ; 680 nm: 1,45 − 1,85 nD ; 1100 nm: 1,42 − 1,82 nD
- Temperature measurement:5...50 °C
- Cat. No.:ATAG1414
- Light source:Monochromatic
- Accuracy:±0,0002 nD
- W×D×H:130×290×310 mm
- Electrical:100 - 240 V/50-60 Hz
- Weight:6 kg
Accessories
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- Interference filter, 800 - 1100 nm
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- Interference filter, 681 - 799 nm
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- Interference filter, 540 - 680 nm
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- Interference filter, 450 - 539 nm
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- Interference filter, 644 nm (C'), for DR-M2
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- Interference filter, 480 nm (F'), for DR-M2
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- Interference filter, 546 nm (E), for DR-M2
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- Interference filter, 656 nm (C), for DR-M2
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- Interference filter, 486 nm (F), for DR-M2
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- Prism, main and secondary for DR-M4, DR-M4/1550
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- Prism, main and secondary for DR-M2



