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Figure 2.2: View of Brewer with Covers Removed
2.1
SPECTROPHOTOMETER
Table 2.1:
Spectrophotometer Specifications
UV wavelengths:
Mercury-calibration
Resolution
Stability
Precision
Measurement range
Exit-slit mask cycling
O
Measurement accuracy
3
Ambient Operating temperature
range (for more information see
appendix F, Thermal Test)
Physical dimensions (external
weatherproof container)
Power requirements
Brewer and Tracker
10
'ozone' wavelengths (nm): 303.2 (Hg slit) , 306.3, 310.1,
313.5, 316.8, 320.1
302.15 nm
0.6 nm in UV
±0.01 nm (over full temperature range)
0.006 ±0.002 nm
286.5 nm to 363.0 nm
0.12 sec/slit, 1.6 sec for full cycle
±1% (for direct-sun total ozone)
0°C to +40°C (no heater)
-20C to +40°C (with heater option)
-50°C to +40°C (with complete cold weather kit)
Size: 70 by 46 by 34 cm
Weight: 34 kg (75 lbs)
90 to 264 VAC
47 to 440 Hz
MKIII OPERATOR'S MANUAL
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