Exhaust Handling Unit
Convertable Negative Pressure Unit
ETL Certified
Negative pressure isolation ward is defined as a ward with a pressure difference between the inside and outside of the ward. The pressure inside of the ward is lower than the outside pressure, therefore air inside the ward cannot escape to the outside. This design helps to prevent the contaminated air in the ward from escaping to the outside.
When an indoor exhaust handling unit (EHU) is applied in a ward without exhaust system, part of the indoor contaminated air can be recirculated and absorbed to the purification unit, while part of the indoor contaminated air can be exhausted after purification to maintain the ward in a negative pressure condition. The indoor exhaust purification unit uses primary and HEPA filter to capture the dust particles carrying viruses and microbes.
Highlights:
Negative pressure applications
Multiple operating modes: indoor air recirculation and exhaust
Performance and Parameters
This unit combines 2 separate filters with variable fan speeds to meet the needs of various industries such as medical and clean room applications.
Name | Dimensions (WxHxD (in))/Net Weight (lbs) | Power Supply | Power (W) | Noise Level (dB(A)) | Air Volume (ft3/m) | Particulate Matter CADR (ft3/m) | Coverage Area (ft2) | Aerosol Removal Efficiency |
|---|---|---|---|---|---|---|---|---|
EHU (Low Fan Speed) | 21 | 40 | 118 | 88 | 99.91% | |||
EHU (Medium Fan Speed) | 24 x 41 x 12 / 71 | 120V 60Hz 1P | 70 | 53 | 235 | 154 | ~ | 99.95% |
EHU (High Fan Speed) | 142 | 61 | 353 | 198 | 269 @ 5ACH | 99.6% |
Filters
Pre-Filter
Aluminum frame with nylon mesh
Washable and reusable
Large particles (10μm and larger), fibers, and fur are caught increasing the effectiveness of the HEPA filter, and extending its life
Antimicrobial HEPA Filter
Antimicrobial coating on the surface of HEPA filter prevents buildup and reproduction
Highly effective against E. Coli, Staphyloccoccus aureus, Candida albicans, Klebsiella pneumoniae, MRSA, Pseudomonas aeruginosa, Aspergillus niger, and other common viruses
Slow release technology maintains long term sterilization properties
Operation Conditions and Replacement
This unit is designed to operate at temperatures between 10ºC-45ºC and less than 90% relative humidity.
Name | Service Life | Handling |
|---|---|---|
Pre-Filter | 2 Weeks | Wash and dry before reuse |
Antimicrobial HEPA Filter | 1 Year | Replace |
Applicable Industries
Based on this unit's performance and properties, it is best used applications related to the following industries:
