Introduction
Specifications
Thermo Fisher Scientific Model 49i Primary Standard Instruction Manual 1-3
ozone concentration for each cell and outputs the average concentration to
the front panel display, the analog outputs, and also makes the data available
over the serial or ethernet connection.
Figure 1-1. Model 49i Primary Standard Flow Schematic
Specifications Table 1-1. Model 49i Primary Standard Specifications
Photometer
Preset ranges 50, 100, 200, 500, 1000, 2000, 5000 ppb
100, 200, 500, 1000, 2000, 5000, 10000 μg/m
3
Custom ranges 50 to 5000 ppb
100 to 10000 μg/m
3
Zero roise 0.25 ppb RMS (60 second averaging time)
Lower detectable limit 1 ppb
Response time 20 seconds (0-95%)
Lag time 10 seconds
Linearity ±
1% of full-scale
Flow rate 1
–3 LPM
Operating temperature
0–45 °C*
Power requirements 100 VAC @ 50/60 Hz
115 VAC @ 50/60 Hz
220
–240 VAC @ 50/60 Hz
150 watts
Physical dimensions 16.75” (W) X 8.62” (H) X 23” (D)
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