Internal and external filters
Whats/App: +86 156 1874 6768
Web: standard-groups.com
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) |
在线联系供应商
Other supplier products
 |
Friction and wear testing machine | Whats/App: +86 156 1874 6768 Web: standard-groups.com It can perform flat grinding, curved grinding, edge grinding, folded edge grinding, and abr... |
 |
Nonwovens Liquid Loss Tester | Whats/App: +86 156 1874 6768 Web: standard-groups.com The Nonwovens Liquid Loss Tester is a precision instrument designed to evaluate the liquid ... |
 |
Dental Implants Fatigue Tester | Whats/App: +86 156 1874 6768 Web: standard-groups.com Standard ISO 14801:2016: Specifies dynamic fatigue testing protocols for endosseous dental... |
 |
Metal Wire Repeated Bending Tester | Whats/App: +86 156 1874 6768 Web: standard-groups.com The Metal Wire Repeated Bending Tester is designed to evaluate the bending fatigue performa... |
 |
Spinal Pedicle Screw-Rod System Torsional Fatigue Testing Machine | Whats/App: +86 156 1874 6768 Web: standard-groups.com The Spinal Pedicle Screw-Rod System Torsional Fatigue Testing Machine is a specialized devi... |
Same products
 |
Full-Body Garment Stress Tester,FZ/T 70015 | 卖方: Standard International Group (HK) Limited | Whats/App: +86 156 1874 6768 Web: standard-groups.com TheFull-Body Garment Stress Testeris a pr... |
 |
Industrial Dry Cleaning Machine,industrial garment steamer | 卖方: Standard International Group (HK) Limited | Whats/App: +86 156 1874 6768 Web: standard-groups.com TheIndustrial Dry Cleaning and Energy-Sav... |
 |
MST Medical Compression Stocking Tester,compression sock tester | 卖方: Standard International Group (HK) Limited | Whats/App: +86 156 1874 6768 Web: standard-groups.com The MST Medical Compression Stocking Test... |
 |
MMT Liquid Water Separation Tester,MMT Liquid Water Analysis Tool | 卖方: Standard International Group (HK) Limited | Whats/App: +86 156 1874 6768 Web: standard-groups.com Applications Textile Manufacturing:Testi... |
 |
Dental material color stability tester | 卖方: Standard International Group (HK) Limited | Whats/App: +86 156 1874 6768 Web: standard-groups.com Application The applications of color st... |
