Comparison of 2B Tech Ozone Monitors
Which ozone monitor should I purchase?
The following table compares the specifications of the various 2B Tech Ozone Monitors and is meant to be helpful for deciding which Ozone Monitor is best for your application. A discussion of the most appropriate ozone monitors for various applications is given here: Applications If you have questions or need help with selecting the Ozone Monitor best suited to your needs, please do not hesitate to contact us.
Specification |
Model |
|||||||
|---|---|---|---|---|---|---|---|---|
| Measurement Principle | UV Absorbance |
UV Absorbance |
UV Absorbance |
UV Absorbance |
UV Absorbance |
UV Absorbance |
UV Absorbance |
UV Absorbance |
| Dual Beam? | Optional Upgrade |
Yes |
No |
No |
No |
No |
Yes |
No |
| Federal Equivalent Method (FEM) | Yes |
Yes |
Yes |
N/A |
N/A |
N/A |
Yes |
Yes |
| Linear Dynamic Range | 0-250 ppm |
0-250 ppm |
0-100 ppm |
0-1000 ppm |
0-10,000 ppm |
0-20 wt% |
211: 0-2 ppm 211-G: 0-500 ppb |
0-10 ppm |
| Resolution | 0.1 ppb |
0.1 ppb |
0.1 ppb |
0.01 ppm |
0.1 ppm |
0.01 wt% |
0.1 ppb |
0.1 ppb |
| Precision (1σ for 10-s average; aka rms noise) |
1.5 ppb or 2% of Reading |
1.0 ppb or 2% of Reading |
1.5 ppb or 2% of Reading |
0.01 ppm or 2% of Reading |
0.05 ppm or 2% of Reading |
0.01 wt% or 2% of Reading |
0.5 ppb or 1% of Reading |
1.5 ppb or 2% of Reading |
| Accuracy |
1.5 ppb or 2% of Reading |
1.0 ppb or 2% of Reading |
1.5 ppb or 2% of Reading |
0.01 ppm or 2% of Reading |
0.05 ppm or 2% of Reading |
0.01 wt% or 2% of Reading |
211: 1.0 ppb or 1% of Reading 211-G: 1.0 ppb or 2% of Reading |
1.5 ppb or 2% of Reading |
| Calibration | NIST Traceable |
NIST Traceable
|
NIST Traceable
|
NIST Traceable
|
NIST Traceable |
Iodometric Titration |
NIST Traceable
|
NIST Traceable
|
| Limit of Detection (10-s measurement, 2σ) | 3.0 ppb |
2.0 ppb |
3.0 ppb |
0.02 ppm |
0.10 ppm |
0.02 wt% |
1.0 ppb |
3.0 ppb |
| Flow Rate (nominal) | 1 L/min |
1.8 L/min |
1 L/min |
1 L/min |
1 L/min |
Up to 20 L/min |
2 L/min |
0.8 L/min |
| Flow Rate Requirement | >0.6 L/min |
>1.2 L/min |
>0.6 L/min |
>0.3 L/min |
>0.2 L/min |
>0.5 L/min |
>1.2 L/min |
>0.5 L/min |
| Baseline Drift |
<2 ppb/day <5 ppb/year |
<1 ppb/day <3 ppb/year |
<3 ppb/day <6 ppb/year |
<0.01 ppm/day <0.03 ppm/year |
<0.1ppm/day <0.3ppm/year |
<0.02%/day <0.05%/month |
<1 ppb/day <3 ppb/year |
<2 ppb/day <5 ppb/year |
| Sensitivity Drift | <1%/day <3%/year |
<1%/day <3%/year |
<1%/day <3%/year |
<1%/day <3%/year |
<1%/day <3%/year |
<1%/day <3%/year |
<0.5%/day <3%/year |
<1%/day <3%/year |
| Measurement Time, Frequency | 10 s, 0.1 Hz |
2 s, 0.5 Hz |
2 s, 0.5 Hz |
2 s, 0.5 Hz |
2 s, 0.5 Hz |
2 s, 0.5 Hz |
2 s, 0.5 Hz |
10 s, 0.1 Hz (fast mode: 2s, 0.5 Hz) |
| Response Time, 100% of Step Change | 20 s 2 points |
4 s 2 points |
4 s 2 points |
4 s 2 points |
4 s 2 points |
4 s 2 points |
4 s 2 points |
20 s 2 points (fast mode: 4 s, 2 points) |
| Averaging Times | 1 min,
5 min, 1 hr |
10 s, 1 min, 5 min, 1 hr |
10 s, 1 min, 5 min, 1 hr |
10 s, 1 min, 5 min, 1 hr |
10 s, 1 min, 5 min, 1 hr |
10 s, 1 min, 5 min, 1 hr |
10 s, 1 min, 5 min, 1 hr |
1 min,
5 min, 1 hr |
| Ozone Units | ppb, pphm, ppm, µg m-3, mg m-3 |
ppb, pphm, ppm, µg m-3, mg m-3 |
ppb, pphm, ppm, µg m-3, mg m-3 |
ppb, pphm, ppm, µg m-3, mg m-3 |
ppm, mg m-3 |
vol %, wt % air, wt % O2, g m-3, g Nm-3 |
ppb, pphm, ppm,
µg m-3, mg m-3 |
ppb |
| Pressure Units | mbar, torr |
mbar, torr |
mbar, torr |
mbar, torr |
mbar, torr |
mbar, psi, torr |
mbar, torr |
torr |
| Temperature Units | °C, K |
°C, K |
°C, K |
°C, K |
°C, K |
°C,°F, K |
°C, K |
K |
T and P Corrected |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
| Operating Temperature Range | 0 to 50 °C; -20 to 50 °C with low T Mods |
0 to 50 °C; -20 to 50 °C with low T Mods |
0 to 50 °C |
0 to 50 °C |
0 to 50 °C |
0 to 50 °C |
10 to 50 °C |
0 to 50 °C |
| Operating Altitude | ~0-13.5 km (0-25 km option) |
~0-13.5 km (0-25 km option) |
~0-13.5 km (0-25 km option) |
~0-5 km |
~0-5 km |
~0-5 km |
~0-13.5 km (0-25 km option) |
~0-13.5 km (option for higher altitude modifications) |
| Power Requirement | 100-240 VAC, 50/60 Hz; 11-14 VDC, nominally 600 mA at 12 V; 7.2 watt |
100-240 VAC, 50/60 Hz; 11-14 VDC, nominally 650 mA at 12 V; 8 watt |
100-240 VAC, 50/60 Hz; 11-28 VDC, nominally 500 mA at 12 V; 6.0 watt |
100-240 VAC, 50/60 Hz; nominally 500 mA at 12 VDC; 6.0 watt |
100-240 VAC, 50/60 Hz; nominally 500 mA at 12 VDC; 6.0 watt |
100-240 VAC, 50/60 Hz; nominally 250 mA at 12 VDC; 3 watt |
211: 100-240 VAC, 50/60 Hz; 11-14 VDC, nominally 1 A at 12 V; 12 watt 211-G: 22 watt |
100-240 VAC, 50/60 Hz; 7-12 VDC, nominally 250 mA at 12 V; 3 watt |
| Size | 3.7x8.5x11.8 in 9.5x21.5x30 cm |
3.7x8.5x11.5 in 9.5x21.5x30 cm |
Standard Case: 3.6x7.9x9.4 in 9x20x24 cm OEM Version: 2.5x7x9 in 6.2x17.8x22.9 cm |
Standard Case: 3.6x7.9x9.4 in 9x20x24 cm OEM Version: 2.5x7x9 in 6.2x17.8x22.9 cm |
Standard Case: 3.6x7.9x9.4 in 9x20x24 cm OEM Version: 2.5x7x9 in 6.2x17.8x22.9 cm |
Standard Case: 3.6x7.9x9.4 in 9x20x24 cm OEM Version: 2.5x7x9 in 6.2x17.8x22.9 cm |
17x14.5x5.5 in 43x37x14 cm |
5.5x3.0x1.5 in 14.0x7.6x3.8 cm (with GPS) 4x3x1.5 in 10.2x7.6x3.8 cm (without GPS) |
| Weight | 5.5 lb (2.5 kg) Without instrument case: 2.8 lb (1.3 kg) |
5.8 lb (2.6 kg) Without instrument case: 3.1 lb (1.4 kg) |
Standard Case: 4.2 lb (1.9 kg) OEM Version: 2.8 lb (1.3 kg) |
Standard Case: 3.9 lb (1.8 kg) OEM Version: 2.5 lb (1.1 kg) |
Standard Case: 3.9 lb (1.8 kg) OEM Version: 2.5 lb (1.1 kg) |
Standard Case: 4.8 lb (2.2 kg) OEM Version: 3.3 lb (1.5 kg) |
211: 14.7 lb (6.7 kg) 211-G: 13.4 lb (5.8 kg) |
1.0 lb (0.45 kg) Without battery: 0.8 lb (0.36 kg) |
| Data Logger Capacity | 16,383 lines |
16,383 lines |
32,736 lines |
32,736 lines |
32,736 lines |
32,736 lines |
16,383 lines |
8,192 lines |
| Analog Inputs for Internal Logging of Other Instruments, 0-2.5 V |
3 Inputs |
3 Inputs |
No |
No |
No |
No |
No |
No |
| Serial Output, RS232 | Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
| USB Output | Optional External Adapter |
Optional External Adapter |
Yes |
Yes |
Yes |
Yes |
Optional External Adapter |
Yes |
| Flash Card Output | Yes |
Yes |
No |
No |
No |
No |
Yes
|
No |
| Data Transfer Baud Rates | 2400, 4800, 19200 |
2400, 4800, 19200 |
2400, 4800, 19200 |
2400, 4800, 19200 |
2400, 4800, 19200 |
2400, 4800, 19200 |
2400, 4800, 19200 |
19200 |
| Analog Voltage Output | 0-2.5 V |
0-2.5 V |
0-2.5 V |
0-2.5 V |
0-2.5 V |
0-2.5 V |
0-2.5 V |
Option |
| Analog Current Output |
Optional 4-20 mA |
Optional 4-20 mA |
4-20 mA |
4-20 mA |
4-20 mA |
4-20 mA |
Optional 4-20 mA |
None |
| Output Ranges | User-Defined Scaling Factor in Menu |
User-Defined Scaling Factor in Menu |
User-Defined Scaling Factor in Menu |
User-Defined Scaling Factor in Menu |
User-Defined Scaling Factor in Menu |
User-Defined Scaling Factor in Menu |
User-Defined Scaling Factor in Menu |
N/A |
| DewLine™ | Yes |
Yes |
Yes |
Yes |
Yes |
No |
Yes |
Yes |
| Flow Through | No |
No |
Option |
Option |
Option |
Yes |
No |
No |
| GPS Option | Yes |
Yes |
No |
No |
No |
No |
No |
Included |
| Bluetooth Option | Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes
|
No |
| Relay with 2 Setpoints | No |
No |
Yes (2) |
Yes (2) |
Yes (2) |
Yes (2) |
No |
No |
| Air Pump Lifetime (hours) | 20,000 |
20,000 |
15,000 |
15,000 |
15,000 |
N/A |
15,000 |
3,000 |
| Flow Meter | Yes |
Yes |
Yes |
Yes |
Yes |
No |
Yes |
No |