Whiteness Meter NWNM-200, Unit Dimension 156×67×28 mm, LABNICS EQUIPMENT Limited Company (CAT#: STEM-AIAE-3073-LGZ)

The whiteness meter NWNM-200 adopts the principle of photoelectric effect to measure, and the whiteness calculation formula of the instrument is blue light whiteness R457. Built-in optical system, display system, detection system, data processing and light source. The optical unit receives the diffusely reflected radiance energy value of the sample surface. A high-precision auto-zeroing operational amplifier that feeds the amplified sample surface value and input for energy calibration into the calibration circuit. The whiteness value of the sample is displayed directly on the display. It is used to measure the whiteness value of powder or object surface flatness.

Range: 0 to 120 unit
Resolution: 0.1 unit
Illumination Condition: 45/0
Illuminant: LED 457 nm
Whiteness: Formula Blue Light Whiteness WB=R457
Measuring Aperture: ≤ 15 mm
Zero Drift: ≤ 0.1
Stability Of Display: ≤ 0.5
Repeatability Of Measurement: ≤ 0.1
Ambient Temperature: 0 to 40°C
Temperature Humidity: < 85% RH
Power Supply: 4×1.5 V AAA (UM-4) Battery (Optional AC Power)
Unit Dimension: 156×67×28 mm
Probe Dimension: Ф 44×55 mm
Weight: 200 g (Not Including Batteries)

1. 457nm long life LED display.
2. Adopt high-quality imported components.
3. The optical path design is simple and reasonable.
4. Does not warm up after power on.
5. The whiteness value of the sample is displayed directly on the display.
6. The operation is convenient, and the measurement can be carried out after a simple calibration.
7. Pass strict tests and inspections.
8. Up to 254 sets of measurement data can be stored.
9. Connect PC to use RS-232 data output.
10. Built-in Bluetooth data output selection.

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