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Industrial & Scientific

LANDTEK WM-106 Digital Whiteness Meter with External Probe, 0~120 Range, 0.1 Resolution, R457 Blue Light Whiteness, 254 Data Memory, RS-232

Brand: LANDTEK
Out of Stock

The LANDTEK WM-106 is a digital whiteness meter with an external probe that reads blue-light whiteness R457 directly over 0~120 with 0.1 resolution. A 457nm LED in 45/0 geometry needs no warm-up; the meter stores 254 groups of data and outputs to a PC via RS-232.

LANDTEK WM-106 Digital Whiteness Meter with External Probe

The LANDTEK WM-106 directly measures the whiteness of objects and powders that have a flat surface, showing the blue-light whiteness value (WB=R457) on its display. It is the model of the WM-106 / WM-206 series that works with an external Φ44x55 mm probe connected to a compact handheld main unit.

Its light source is a long-life 457nm LED that meets the light-source requirement of the JJG 512-2002 national metrological whiteness meter verification regulation. The diffuse reflectance of the sample surface is received by a photocell, amplified by a high-precision auto-zeroing amplifier and passed to the calibration circuit, so the whiteness value of the sample is shown directly.

Typical applications include textile printing and dyeing, paint, chemical building materials, paper board, plastic products, white cement, ceramics, enamel, talc powder, starch, flour, salt, detergent and cosmetics.

Key Features

  • Simple optical path with a corrected filter system, so whiteness is expressed quantitatively
  • High-quality imported components
  • No warm-up after switching on: measure after a simple calibration
  • Memory for 254 groups of measurement data
  • Conforms to the JJG 512-2002 whiteness meter verification regulation, and to GB3978, GB3979, GB7973, GB7974, ISO2470, GB8904.2, QB1840, GB2913, GB13025.2, GB1543, ISO2471, GB10339, GB5950, GB12911 and other standards
  • RS-232 data output to a PC (data cable with software is an optional accessory)
  • Bluetooth data output option (adapter with software is an optional accessory)

Package Contents

  • Main unit
  • External probe
  • Standard white board
  • Optical cleaning cotton cloth
  • Carrying case (B04)
  • Operation manual (English)

Optional Accessories

  • Constant pressure powder forming apparatus
  • AC adaptor
  • RS-232C data cable with software
  • Bluetooth data adapter with software

Product Specifications

ManufacturerLANDTEK
ModelWM-106
Range0~120 (whiteness value)
Resolution0.1
Illumination Condition45/0
IlluminantLED 457nm
Whiteness FormulaBlue Light Whiteness WB=R457
Measuring Aperture≤15mm
Zero Drift≤0.1
Stability of Display≤0.5
Repeatability of Measurement≤1
Data Memory254 groups of measurement data
Data OutputRS-232 to PC; Bluetooth output option
StandardsJJG 512-2002; GB3978, GB3979, GB7973, GB7974, ISO2470, GB8904.2, QB1840, GB2913, GB13025.2, GB1543, ISO2471, GB10339, GB5950, GB12911
Operating Temperature0~40°C
Operating Humidity< 85%RH
Power Supply4x1.5V AAA (UM-4) Battery (Optional AC Power)
Size – Main Unit156x67x28 mm
Size – ProbeΦ44x55 mm
Weight200 g (Not Including Batteries)

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