Heraeus HS 9 Service Manual page 181

Manufacturing site / Year
Testing Safety Cabinet Class II Type A2
Filter leakage test
Test aerosol Polyalphaolefin (PAO), Emery 3004 Synthetic Hydrocarbon 4 CST Fluid, laminator plate removed,
distance sensor-filter 1 in, scan speed 2 in/sec
Test connection for filter integrity test available
Supply air filter
Filter class ( 99.99 % / 0.3 µm )
Filter sealing and area tested
Filter class requirements fulfilled
Remarks:
Airflow smoke patterns test (with e.g. titanium tetrachloride)
Downflow test [4 in (10 cm) above window opening, centerline work surface, no dead spots or reflux] Yes
View screen retention test [1 in (2.5 cm) behind front window, 6 in (15 cm) above window opening,
no dead spots or reflux, no smoke shall escape from the cabinet]
Work opening edge retention test [ app. 1.5 in (4 cm) outside cabinet, no smoke drawn to the work surface
Sash / window seal test [2 in (5 cm) from sides and along top of work area, no smoke shall escape from
the cabinet]
Remarks:
Measuring instruments and their application
Measuring instrument
Digital Safety Inspector
GFI Circuit Tester
Anemometer
Flow Hood Airdata Multimeter
Photometer / Particle counter
Aerosol generator
Test aerosol
Smoke tubes
TEST RESULTS ACCORDING TO NSF 49, Annex F
Retaining at working opening
Integrity of exhaust air filter
Product protection (class II only)
Cross contamination (class II only)
Instrument complies with state of the art as per NSF / ANSI 49 with regards to personal protection
Remarks:
Date / Signature Customer
Order no.:
Remarks
Values
Yes No
Yes No
or billow over the work area]
Measuring instrument
no.:
./.
./.
./.
Sheet:
3/3
according to NSF/ANSI 49 - 2002
Exhaust air filter
Filter class (99,99 % / 0,3 µm )
Filter sealing and area tested
Filter class requirements fulfilled
Calibration
Calibration date
note no.:
./. ./.
./. ./.
Use before:
Requirement fulfilled
Requirement fulfilled
Requirement fulfilled
Requirement fulfilled
Date / Signature Service Engineer
Yes No
Remarks
Values
Yes No
Yes No
No
Yes No
Yes No
Yes No
Application
Electrical leakage,
ground resistance test
Electrical leakage, ground
resistance and polarity test
Down flow velocity test
Inflow air volume test
Filter leakage test
Filter leakage test
Filter leakage test
Airflow pattern test
Yes No
Yes No
Yes No
Yes No
Yes No