Internal and external filters
Standards
- ISO 10526(Standard illuminants for colorimetry, e.g., D65, A light sources)
- ASTM E1164(Practice for obtaining spectrophotometric data for object-color evaluation)
- MIL-STD-810G(Environmental engineering considerations for military equipment, including filtration)
- IEC 60529(IP ratings for dust/water resistance in external air filters)
- NSF/ANSI 42 & 53(Standards for drinking water treatment filters)
Main Parameters
| Parameter | Internal Filters | External Filters |
|---|---|---|
| Application | Optical instruments, cameras, displays | HVAC systems, water treatment, light sources |
| Mounting | Integrated into device housing | Removable cartridges, cassettes, or frames |
| Spectral Range | Narrow bands (e.g., UV-cut, IR-pass) | Broad or customizable (e.g., HEPA, UV sterilization) |
| Lifespan | 500–10,000 hours (dependent on material) | 3–12 months (water/air filters) |
| Maintenance | Minimal (factory-replaced) | User-replaceable cartridges |
| Pressure Drop | Negligible (no airflow restriction) | Varies (e.g., 0.1–2.0 inches H₂O for air filters) |
Send product request
Other supplier products
 |
UV curing light box | Standard ISO 10977: Adheres to industrial standards for UV curing of adhesives and coatings. ASTM E3022: Meets requirements for radiometric measu... |
 |
Leather Low-Temperature Flexing Tester，import Leather Freezing Flexing Tester | The Leather Low-Temperature Flexing Tester is a high-precision durability assessment system specifically engineered to evaluate the flexing enduran... |
 |
Solid Auto - ignition Point Tester | This tester determines the self - ignition characteristics of solid chemical products by placing the substances in a 20mm - side - length cubic wir... |
 |
Total Knee Joint Prostheses Wear Tester | Standard ISO 14243-1:2014: Specifies wear testing parameters for total knee prostheses, including axial loading, flexion/extension kinematics, and... |
 |
Photovoltaic Acid Mist Test Chamber,IEC 60068 | Applications The Photovoltaic Acid Mist Test Chamber is a specialized device designed to simulate coastal environments with high salt fog concentr... |
Same products
 |
Full-Body Garment Stress Tester,FZ/T 70015 | Seller: Standard International Group (HK) Limited | TheFull-Body Garment Stress Testeris a precision instrument designed to quantify the pressure exe... |
 |
Industrial Dry Cleaning Machine,industrial garment steamer | Seller: Standard International Group (HK) Limited | TheIndustrial Dry Cleaning and Energy-Saving Dryer Machinesare designed for high-performance, rel... |
 |
MST Medical Compression Stocking Tester,compression sock tester | Seller: Standard International Group (HK) Limited | The MST Medical Compression Stocking Tester is a professional instrument designed to evaluate the... |
 |
MMT Liquid Water Separation Tester,MMT Liquid Water Analysis Tool | Seller: Standard International Group (HK) Limited | Applications Textile Manufacturing:Testing waterproof fabrics for outdoor gear R&D:Developi... |
 |
Dental material color stability tester | Seller: Standard International Group (HK) Limited | Application The applications of color stability testers for dental materials are mainly reflecte... |
