*MIZA TrHz-77 Custom Small Slit Tube Haze Meter & Transmittance Transmission

MIZA TrHz-77 Transmission HAZE Meter"Custom Small Aperture model"

The MIZA TrHz-77 Custom Transmission HAZE Meter model comes with the industry's best two-year warranty. This instrument is meant for customers requiring a special smaller 1-2mm slit area to be measured on tubes. This deluxe model has an accuracy and repeatability specifications that rival the more expensive designs from Germany but only this model has a slit-type aperture made specifically for TUBES. This instrument was designed for both vertical and horizontal positions. The design is sleek and has the latest advancements in optics.

Transparency is a vague description of the material characteristic. Products require different solutions. Packaging for a meat product in a grocery store should be extra clear or transparent, while plastic bags are semi-opaque to keep its contents private. Transparency involves the combination of reflection, transmission, and absorption of the translucent material. Another characteristic also visible to the human eye is the haziness or cloudiness of a material. Haziness or HAZE can be characterized by the scattering of light. Scattering is also divided into Narrow and wide-angle scattering. Our instrument measures the latter or wide-angle scattering. Wide-angle scattering occurs at >2.5° from the perpendicular to the material. ASTM D 1003 and ISO 13468 measurement methods present different measurements.

ASTM D 1003 uses illuminants A and C while ISO 13468 uses Illuminant D65.

Our Imbotec MIZA Transmission HAZE Meter easily measures all translucent materials. These include plastic packaging film, clear PVC, LCD panels, glass, and more.

Features and Advantages with the TrHz-77

  1. Comes with a customer-defined custom 1-2x21mm opening to match the customer's requirements.
  2. Conforms to international standards ASTM D 1003, ISO 13468, ISO 14782, JIS K 7361, and JIS K 7136.
  3. Uses all three standard illuminants: A, C, and D65 for HAZE and Total Transmittance measurement.
  4. Our Transmission HAZE Instrument also measures using the transmittance compensation measurement method offering a higher accuracy result.
  5. Free - Purchase one Set of Transmission or Haze Standards and get the other Set included for free. (value +$2k)
  6. Ambient light has no effect on the measurement.
  7. Free - onsite SETUP and TRAINING at customer location in Mainland North America for one day INCLUDED for FREE. (approx. value $3k)
  8. Advanced optical measurement sensor using a spectrometer.
  9. Long-lasting high-quality Lamp for 5 Years
  10. The open measurement area offers no limitations on sample thickness size.
  11. Easy and quick positioning of samples.
  12. The TrHz-77 utilizes a large 5" display for an easy to read interface.
  13. The instrument can be used in either horizontal or vertical mode to take measurements.
  14. Improved reliability with a stable high-quality light source that comes with a 1,500 hr warranty.
  15. Measurements are performed in three seconds.

Comes Complete with:

  • Custom Aperture of either a 1 or 2mm slit Transmission HAZE Meter
  • Calibration Standard
  • With the purchase of one set of 5 checking standards, you get both sets of Transmission & HAZE Standards when one set is purchased.
  • Compensation Port Cover
  • Certificate
  • USB Cable
  • Software
  • User Manual
  • Setup at Customer location
  • Training at customer location
  • Warranty Instrument: 2 Years
  • Warranty Lamp: 5 Years based on 1hr/day


  • ASTMD1003, D1044
  • ISO13468, 14782

Materials Measured

This instrument was designed to measure the Packaging Industry's requirements as well as plastic sheets or tubes or glass and curved glass and many other manufacturer's products.

  • Acrylic tubes
  • Glass tubes
  • Curved samples
  • Plastic film
  • Acetate
  • Polyester film
  • Mylar
  • Vinyl film
  • Glass
  • Colored film
  • Dark film

What is Transmission Haze?

Transmission Haze is a measurement of the light scattering characteristics of a material. Haze can be due to suspended particles or contaminants within a sample or fine surface texture & contamination.

Haze measurement can be used to quantify the optical characteristics of plastics and packaging films.

Meat with hazy packaging

In packaging applications hazy films may reduce a consumer's quality perception as packed products with haze-affected films can look cloudy and indistinct.

For plastics with haze, the visibility of the test material becomes more apparent and the contrast of viewed objects is reduced.


  • FIVE Years Lamp Warranty
  • TWO Years on the full Instrument. Accessories not included.
  • Additional Extended Instrument Warranty for Three Years


  • HAZE Standards (TrHz-98) (Optional)
  • Transmission Standards (TrHz-99)(Optional)
  • Soft Film and Liquid Holder (TrHz-80) (Optional)
  • Compensation Port Cover (TrHz-82) (included with instrument)
  • Calibration Cover (HB-50240)




MIZA Transmission HAZE MeterTrHz-77


CIE-A (ASTM D1003), CIE-C, CIE-D65 (ISO 13468, ISO 14782)

Spectral Response

CIE Luminosity function y 


Spectrometer (higher accuracy)


0° / diffuse

Measurement Area

21mm x 1mm (5/32"), optional 2mm (5/16") or other size

Sample Port

1 x 21mm (13/16")

Sample Thickness

145mm (511/16")

Measurement Range

0 - 100%

HAZE Repeatability

±0.01 units

Transmission Repeatability

±0.01 units

HAZE Resolution

0.01 units


20,000 readings



Power Supply

120V / 60Hz

Operating Temperature

10-40°C (50-104°F)

Storage Temperature

0-50°C (32-122°F)


310 x 215 x 540 mm (123/16x 87/16x 211/4)


ASTM D1003, D1044, ISO 13468, ISO 14782, JIS K 7361, JIS K 7136


2 Years for Instrument,
5 Years for lamp


HAZE, Transmittance


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