ISO Brightness Tester for Paper纸张 ISO 白度仪
- Effective wavelength
- 457 nm under illuminant C
- Measurement geometry
- Diffuse illumination, 0° viewing
纸张光学性能测定仪

Photo for reference; configuration may vary by order.
Model No. BRT-0002 · Paper Analysis Equipment
纸张 D65 白度仪
Office, writing and coated papers are sold on CIE whiteness and tint, which depend on the UV content of the light source. This tester offers D65 and C illuminants with defined UV, 2° or 10° observers, and 400–700 nm spectral data at 10 nm intervals. Repeatability is ±0.1 whiteness unit.
| Place of origin | China (dispatched from Shanghai) |
|---|---|
| Brand | Liquid International / OEM on request |
| Export packing | Fumigation-free plywood case or reinforced carton |
| Loading port | Shanghai / Ningbo (others on request) |
| Payment terms | T/T, L/C at sight (confirmed on quotation) |
| Trade terms | EXW, FOB, CFR, CIF, DAP |
Typical export terms — final terms are confirmed on the proforma invoice.
Office, writing and coated papers are sold on CIE whiteness and tint, which depend on the UV content of the light source. This tester offers D65 and C illuminants with defined UV, 2° or 10° observers, and 400–700 nm spectral data at 10 nm intervals. Repeatability is ±0.1 whiteness unit.
| Parameter | Value |
|---|---|
| Whiteness indices 白度指数 | CIE whiteness per ISO 11475 or 11476 |
| Illuminants 光源 | D65 and C with defined UV content |
| Observer 观察者 | 2° or 10° standard observer |
| Spectral range 光谱范围 | 400–700 nm at 10 nm intervals |
| Repeatability 重现性 | ±0.1 whiteness unit |
| Measuring area 测量面积 | 10–30 mm diameter |
| Sheets in pad 纸叠张数 | Per the method |
| Data output 数据输出 | Whiteness, tint, yellowness, spectral data |
| Model No. | BRT-0002 |
| Place of origin | China (dispatched from Shanghai) |
Chinese national standards (GB/T, JJG) and international standards referenced for this product type. Test reports and certificates are supplied with the quotation on request.
Fumigation-free plywood case or reinforced carton
Every unit is power-tested before packing; enclosed in shock foam and moisture barrier; wooden cases comply with ISPM 15.
Shanghai / Ningbo (others on request)
Full container load (FCL), less-than-container load (LCL) or air freight; complete export documentation provided.
Complete the form below — an export engineer will send technical configurations and a formal proforma invoice within 24 hours.
Single instruments, complete laboratories or government tenders — our export engineers prepare the configuration, proforma invoice and shipping documents.