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P.O. Box 716
Sunapee, NH 03782-0716
603-526-2420 (office), 603-526-2729 (fax)
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Goniometric (spectral)
  GSP-1B
  GCMS-3B
  GSP-2
  GCMS-4

Goniometric (photometric)
  GP-5
  GP-200
  GP-700

Color
  CMS-35SP
  CMS-35FS
  DOT-3C

Gloss and Reflectance
  GM-26PRO
  GM-26PRO/Auto
  GM-3D
  RM-3D
  RM-9
  GMX-102
  GMX-203

Haze and Clarity
  HM-150
  HM-65W
  HM-150L2
  HM-150N
  HR-100
  HSP-150
  TM-1D
  HMS-3

Online Systems
  Glossmeter GR-2
  Glossmeter GR-4
  Color CMTS-5000
  Color CMTS-5000T
  Hazemeter HMS-3
  Transmittance TM-100M


Lumenaire
  NL-500


The Murakami Team
Murakami Products
Avian Technologies LLC
Murakami Corporate


HM-150 and HM-65W

Hazemeters


HM-150


HM-65W

The HM-150 and HM-65W are designed to measure total light transmittance, diffuse transmittance, and haze. They are ideally suited to make these measurements for light transmissible materials such as plastics, films, glass and liquid. Employing a double-beam system, highly accurate and repeatable transmittance and haze measurements can be realized.

Internal switchable filters tune the light source to the spectral characteristics of CIE standard photometric observer and CIE standard illuminant D65, but also the combination including CIE standard illuminant A. A personal computer is used for interface, calculation, and control. Several useful functions, such as average calculation and output by printer, are available.

The HM-150 and HM-65W conform to most national and international haze standards, including:

  • IS0 14782 Determination of haze for transparent materials
  • IS0 13468-1 Determination of the total luminous transmittance of transparent materials
  • ASTM D1003 Haze and Luminous Transmittance of Transparent Plastics (D1003 is approximated)

Schematic Diagram

1 Light Source Lamp
2 Two Branch Fiber
3 Reference Shutter
4 Measurement Sutter 5 D65
5 Convertible Switch to D65 & A Illuminant
6 Lens
7 Entrance Port Aperture
8 Exit Port Aperture
9 White Plate
10 Detector
11 Reference Fiber
12 Integrating Sphere
13 Light Trap Box
14 Sample

Specifications

 

HM-150

HM-65W

Measuring object

Light transmissive materials such as plastics, films, glass and liquid

Light transmissive materials such as plastics, films, glass and liquid

Sample size

Sheets and the like:

50×50mm up to 150×180mm

Sheets and the like. up to

10mm diameter

Measuring Light flux

Incident port: 20mm dia.

Light Flux:Dia.14mm

Incident port: 9mm dia.

Light Flux: 6mm dia.

Resolution

0.1% in full scale

0.1% in full scale

Measurement Item

Total light transmittance

{Tt(τt)},

Diffuse transmittance

{Td(τd)}

Haze(haze value) and

Parallel light transmittance

{Tp(τp)}

Total light transmittance

{Tt(τt)},

Diffuse transmittance

{Td(τd)}

Haze(haze value) and

Parallel light transmittance

{Tp(τp)}

Optical System

Conforms to ISO14782, JIS K7136 for haze measurement

ISO13468-1, JIS K 7361 for Total Transmittance (Approximating to ASTM D1003 & JIS7105)

Conforms to ISO14782, JIS K7136 for haze measurement

ISO13468-1, JIS K 7361 for Total Transmittance (Approximating to ASTM D1003 & JIS7105)

Spectral Characteristics

CIE standard photometric observer and CIE standard Illuminant D65 as well as the combination including CIE standard illuminant A.

CIE standard photometric observer and CIE standard Illuminant D65 as well as the combination including CIE standard illuminant A.

Light Source

Halogen lamp with a mirror, 12V/50W

Lamp Life 2000 hrs. Nominal

Halogen lamp with a mirror, 12V/50W

Lamp Life 2000 hrs. Nominal

Filter                  

Switchable between A and D65

Switchable between A and D65

Detector

Silicone photodiode

Silicone photodiode

Integrating Sphere

150mm diameter with BaSO4 coating.

65mm diameter with BaSO4 coating.

Reading Accuracy

±0.1%

±0.1%

Computer Interface

RS-232C

RS-232C

Dimensions

L 230×W 560×H220mm

L 230×W 560×H220mm

Weight

Approximately 13 kg

Approximately 13 kg

Power Requirement

100V±10V AC, 50/60Hz

100V±10V AC, 50/60Hz

Power Consumption

Approx.150VA

Approx.150VA

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