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. 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 | |||||||
|---|---|---|---|---|---|---|---|---|
| 202 | 205 | 106-L | 106-M | 106-MH | 106-H | 211 / 211-G | POM | |
| Measurement Principle | UV Absorbance | UV Absorbance | UV Absorbance | UV Absorbance | UV Absorbance | UV Absorbance | UV Absorbance | UV Absorbance |
| Dual Beam? | No | 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 | 0-20 ppm | 0-20 ppm | 0-20 ppm | 0-1000 ppm | 0-10,000 ppm | 0-20 wt% | 211: 0-2 ppm 211-G: 0-500 ppb | 0-500 ppb |
| 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 | ~0-5 km | ~0-5 km | ~0-5 km | ~0-13.5 km (0-25 km option) | ~0-13.5 km |
| 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 | 3.7×8.5×11.8 in 9.5×21.5×30 cm | 3.7×8.5×11.5 in 9.5×21.5×30 cm | Standard Case: 3.6×7.9×9.4 in 9x20x24 cm OEM Version: 2.5x7x9 in 6.2×17.8×22.9 cm Industrial Version: 16 x 14 x 9.3 in 40.7 x 35.7 x 23.6 cm | Standard Case: 3.6×7.9×9.4 in 9x20x24 cm OEM Version: 2.5x7x9 in 6.2×17.8×22.9 cm Industrial Version: 16 x 14 x 9.3 in 40.7 x 35.7 x 23.6 cm | Standard Case: 3.6×7.9×9.4 in 9x20x24 cm OEM Version: 2.5x7x9 in 6.2×17.8×22.9 cm Industrial Version: 16 x 14 x 9.3 in 40.7 x 35.7 x 23.6 cm | Standard Case: 3.6×7.9×9.4 in 9x20x24 cm OEM Version: 2.5x7x9 in 6.2×17.8×22.9 cm Industrial Version: 16 x 14 x 9.3 in 40.7 x 35.7 x 23.6 cm | 17×14.5×5.5 in 43x37x14 cm | 5.5×3.0x1.5 in 14.0×7.6×3.8 cm |
| Weight | 5.5 lb (2.5 kg) | 5.8 lb (2.6 kg) | Standard Case: 4.2 lb (1.9 kg) OEM Version: 2.8 lb (1.3 kg) Industrial Version: Approx. 14 lb (6.3 kg) | Standard Case: 3.9 lb (1.8 kg) OEM Version: 2.5 lb (1.1 kg) Industrial Version: Approx. 14 lb (6.3 kg) | Standard Case: 3.9 lb (1.8 kg) OEM Version: 2.5 lb (1.1 kg) Industrial Version: Approx. 14 lb (6.3 kg) | Standard Case: 4.8 lb (2.2 kg) OEM Version: 3.3 lb (1.5 kg) Industrial Version: Approx. 14 lb (6.3 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 | None |
| Analog Current Output | None | None | 4-20 mA | 4-20 mA | 4-20 mA | None | None | 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 |
| Relay with 2 Setpoints | No | No | Yes (2x Standard/OEM Versions; 4x Industrial Version) | Yes (2x Standard/OEM Versions; 4x Industrial Version) | Yes (2x Standard/OEM Versions; 4x Industrial Version) | Yes (2x Standard/OEM Versions; 4x Industrial Version) | No | No |
| Air Pump Lifetime (hours) | 20,000 | 20,000 | 15,000 | 15,000 | 15,000 | N/A | 15,000 | 5,000 |
| Flow Meter | Yes | Yes | Yes | Yes | Yes | No | Yes | No |