ASTM & ISO -Haze/Transmittance Optional Apertures Portable Haze Meter With High Accuracy
Portable Haze Meter DH Series——21mm Test Aperture Portable Haze Meter DH-10 With High Accuracy
Haze is measured with a wide angle scattering test in which light is diffused in all directions which results in a loss of contrast. That percentage of light that when passing through that deviates from the incident beam by greater than 2.5 degrees on average is defined as haze.
Digital haze meter also measures total transmittance. Total transmittance is the measure of the total incident light compared to the light that is actually transmitted (e.g. total transmittance). So the incident light may be 100%, but because of absorption and reflection the total transmittance may only be 94%.
Part 1. Product Advantages
1). The portable haze meter is with smaller size which is more convenient to be carried for testing haze and transmittance.
2). High Accuracy: Display resolution 0.01; Good repeatability ≤0.02
3). What have we done to guarantee the instrument repeatability?
a. Instrument will do self-check regularly when it is in standby mode.
b. Dual Optical Paths Design
4). The haze meter conforms to the standards of GB/T 2410, ASTM D1003/1044, ISO 13468/14782, JIS K 7105, JIS K 7361 and JIS K 7136.
5). It contains three kinds of light source to measure the haze and transmittance of different standards.
7). It adopts 2.8 inches touch screen
Part 2. Main Parameter Comparison Sheet
| Model | DH-10 | DH-12★ | DH-13 |
| ASTM-haze/transmittance | ✔ | ✔ | ✔ |
| ISO- haze/transmittance | ✘ | ✔ | ✔ |
| Test Apertures | 21mm | 21mm, 15mm | 21mm, 15mm, 12mm |
| Resolution | 0.1% | 0.01% | 0.01% |
| Repeatability | 0.1 | 0.05 | 0.02 |
| Lithium Battery | ✘ | ✔ | ✔ |
| Weight | 1.13kg | 1.25kg | 1.25kg |
Part 4. Technical Data
| Model | DH-10 | DH-12 | DH-13 |
| Light Source | CIE-A,CIE-C,CIE-D65 | CIE-A,CIE-C,CIE-D65 | CIE-A,CIE-C,CIE-D65 |
| Standards | ASTM D1003/D1044,ISO 13468/ISO14782,JIS K 7105,JIS K 7361,JIS K 7136,GB/T 2410-08 | ASTM D1003/D1044,ISO 13468/ISO14782,JIS K 7105,JIS K 7361,JIS K 7136,GB/T 2410-08 | ASTM D1003/D1044,ISO 13468/ISO14782,JIS K 7105,JIS K 7361,JIS K 7136,GB/T 2410-08 |
| Parameter | ASTM-haze/transmittance | ASTM & ISO -haze/transmittance | ASTM & ISO -haze/transmittance |
| Spectral Response | CIE The spectrum function Y/V(λ) | CIE The spectrum function Y/V(λ) | CIE The spectrum function Y/V(λ) |
| Geometry | 0/d | 0/d | 0/d |
| Test Aperture | 21mm | 21mm, 15mm | 21mm, 15mm, 12mm |
| Test Range | 0-100% | 0-100% | 0-100% |
| Resolution | 0.1% | 0.01% | 0.01% |
| Repeatability | 0.1 | 0.05 | 0.02 |
| Sample Size | Thickness ≤40mm | Thickness ≤40mm | Thickness ≤40mm |
| Display | 2.8 inches touch screen | 2.8 inches touch screen | 2.8 inches touch screen |
| Data Storage | Mass Storage | Mass Storage | Mass Storage |
| Interface | USB | USB | USB |
| Power | DC 5V/2A | Rechargeable Lithium Battery | Rechargeable Lithium Battery |
| Working Temperature | 5~40℃, Relative humidity 80% or below (at 35 ° C), no condensation | 5~40℃, Relative humidity 80% or below (at 35 ° C), no condensation | 5~40℃, Relative humidity 80% or below (at 35 ° C), no condensation |
| Storage Temperature | -20 ℃ ~ 45 ℃, relative humidity 80% or below (at 35 ℃), no condensation | -20 ℃ ~ 45 ℃, relative humidity 80% or below (at 35 ℃), no condensation | -20 ℃ ~ 45 ℃, relative humidity 80% or below (at 35 ℃), no condensation |
| Size | 133mm x 99mm x 224mm (length X width X height) | 133mm x 99mm x 224mm (length X width X height) | 133mm x 99mm x 224mm (length X width X height) |
| Weight | 1.13 kg | 1.25 kg | 1.25 kg |
| Optional | Test Aperture with custom made size | Test Aperture with custom made size | Test Aperture with custom made size |
Part 4. Application
Part 6. Haze Meter Application
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ASTM & ISO Haze Transmittance Optional Apertures Portable Haze Meter High Accuracy Images
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