Spectrophotometer Calibration Filters
Name: Spectrophotometer Calibration Filters
Substrate material: Optical Glass
Smoothness: 80-50 MIL-C-48497A
Clear aperture: >90%
Edge chamfer: <0.2mm
Operating temperature: -40°C /+180°C (low stress state)
Storage environment: Constant temperature ~23°C; Constant humidity <40%
Features:
■Complies with the national metrology verification regulations JJG1034
■Applicable to the calibration and transmission of spectrophotometers, meeting the verification regulations of JJG178
■Can provide real-time calibration certificates from the National Institute of Metrology, real-time calibration certificates from provincial metrology institutes, and standard material certification certificates
■Standard materials and verifications meet relevant national standards (standard materials need to be submitted for verification and certification separately)
■International standard size brackets
■Origin: China
Product Selection-Six Commonly Used Lists：
| Model | Name | Application | Description | Remarks |
| ZJ-N001 | Pr-Nd filter | Calibration and verification of wavelength values of visible spectrophotometer | l Multiple effective characteristic peaks l National/provincial/verification certificates and standard material certification certificates can be provided | Commonly used |
| ZJ-N002 | Holmium oxide filter | Calibration and verification of wavelength values of UV and visible spectrophotometers and transmission of wavelength values | l Multiple effective characteristic peaks l National/provincial/verification certificates and standard material certification certificates can be provided | Commonly used |
| ZJ-N003 | Interference filter | Calibration and verification of wavelength values of visible spectrophotometers and transmission of wavelength values | l 1 set contains 3 pieces l 450nm, 550nm, 650nm l National/provincial/verification certificates and standard material certification certificates can be provided | Commonly used |
| ZJ-N005 | Visible neutral filter | Calibration and verification of transmittance values of visible spectrophotometers and transmission of transmittance values | l 1 set contains 3 pieces 10%, 20%, 30% l Transmittance nominal value is 0.1, 0.2, 0.3 l 440nm; 546nm; 635nm l Can provide national/provincial/verification certificate and standard material certification certificate | Commonly used |
| ZJ-N006 | UV transmittance Filter | Used for calibration and measurement of transmittance value of UV and visible spectrophotometers | l A set of three pieces 10%, 20%, 30% l Transmittance nominal value is 0.1, 0.2, 0.3 l 350nm, 313nm, 257nm, 235nm l Can provide national/provincial/verification certificate and standard material certification certificate | Commonly used |
| ZJ-N007 | Stray light filter | Used for spectrophotometer stray light verification | l 1 set contains 3 pieces l Nominal cut-off wavelengths are 220nm, 360nm, 420nm l Can provide national/provincial/verification certificates and standard material certification certificates | Commonly used |
**Additional verification fees are required for National Institute of Metrology Verification Certificate/Provincial Metrology Unit Verification Certificate/Standard Material Certification Certificate
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Contact: Jessie
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