204 1100 Series DAD and MWD User Manual
11 Appendix
UV-Radiation
Emissions of ultraviolet radiation (200-315 nm) from this product is limited 
such that radiant exposure incident upon the unprotected skin or eye of 
operator or service personnel is limited to the following TLVs (Threshold Limit 
Values) according to the American Conference of Governmental Industrial 
Hygienists:
Typically the radiation values are much smaller than these limits:
NOTE
This information is only valid for UV-lamps without cover (e.g. 2140-0590).
Table 32 UV-Radiation Limits
Exposure/day Effective Irradiance
8 hours 0.1 µW/cm
2
10 minutes 5.0 µW/cm
2
Table 33 UV-Radiation Typical Values
Position Effective Irradiance
Lamp installed, 50 cm distance Average 0.016 µW/cm
2
Lamp installed, 50 cm distance Maximum 0.14 µW/cm
2