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Dissolved Oxygen (DO) Meters
Perform your dissolved oxygen measurements with confidence
Achieve precise and reliable dissolved oxygen measurement with Orion bench and portable dissolved oxygen meters. Ideal for various industries, including environmental monitoring, wastewater treatment, aquaculture and more, Orion dissolved oxygen meters help you achieve regulatory compliance. Combining advanced technology, user-friendly interfaces, and robust construction, these meters ensure accurate data collection. Suitable for both lab and field use, they measure using polarographic and optical technology, with flexible calibration options. Explore Orion dissolved oxygen meters for precision and reliability tailored to your needs. Browse our complete portfolio or let one of our experts help you make a selection.
Select your dissolved oxygen bench or portable meter
Premium | Advanced | Basic | |
|---|---|---|---|
| Orion Versa Star Pro Dissolved Oxygen Bench Meter (Versa Star Pro series) | Orion Pro Star DO213 Dissolved Oxygen Bench Meter (Pro Star series) | Orion Lab Star DO113 Dissolved Oxygen Bench Meter (Lab Star series) | |
 |  |  | |
| Versatile, high-performance laboratory meters | Easy to use, dependable laboratory meters | Economical, simplified laboratory meters | |
| Ideal for applications in: | Pharmaceuticals, biotechnology, industrial | Environmental, water/ wastewater, food & beverage, industrial | Academic, environmental, power |
| Compatible probes | Optical, polarographic | Optical, polarographic | Optical, polarographic |
| DO range (polarographic) | 0 to 90 mg/L, 0 to 600% | 0.01 to 90.0 mg/L or ppm, 0.0 to 600.0% saturation | 0 to 30 mg/L, 0 to 300% |
| DO range (RDO optical) | 0 to 50 mg/L, 0 to 500% | 0.01 to 90.0 mg/L or ppm, 0.0 to 600.0% saturation | — |
| DO calibration modes | Water-saturated air or air saturated water 100% and 0% saturation, custom concentration value (Winkler) | Water-saturated air or air saturated water 100% and 0% saturation, custom concentration value (Winkler) | 100% and 0% saturation; custom concentration value |
| Barometric pressure compensation | Automatic with built-in barometer | Automatic with built-in barometer | Automatic with manual value input |
| Salinity correction | Automatic with conductivity module and probe or manual input | Automatic with built-in barometer or manual entry | Automatic with manual factor input |
| Temperature range | -5 to 105°C 23 to 221°F | -30 to 130°C -22 to 266°F | -5 to 105°C 23 to 221°F |
| Number of channels | 4, customizable with modules | 1 | 1 |
| Stirrer probe inputs | 2 | 1 | — |
| Display | 5.3-inch, backlit color display | 7-inch, high-resolution, backlit color display | 5-inch, backlit segmented display |
| Touchscreen | No | Yes | No |
| Onscreen text prompts | Step-by-step calibration and guided setup instructions | Step-by-step calibration and guided setup instructions | Basic calibration and setup instructions |
| Identification options | Electrode ID, sample ID, user ID | Electrode ID, sample ID, user ID | — |
| Data log | 2000 with date/time | 10000 with date/time | 500 with date/time |
| Calibration log | 30 per parameter | 20 per parameter | — |
| Data export options | Computer, printer | Computer, printer, USB flash drive | Computer, printer |
| Power supply | Universal, 100–240 VAC, 50-60 Hz (Cat. No. STARA-PWR) | Universal, 100-240 VAC, 50-60Hz (Cat. No. PSTAR-PWR), 9 DC adapter, 2.0A | Universal, 100-240 VAC, 50-60Hz (Cat. No. LSTAR-PWR), 9 DC adapter, 1.3A |
Premium | Advanced | Basic | |
|---|---|---|---|
| Orion Star A323 Dissolved Oxygen (STARA3230 series) | Orion Star A223 Dissolved Oxygen (STARA2230 series) | Orion Star A123 Dissolved Oxygen (STARA1230 series) | |
 |  |  | |
| Compatible probes | RDO, polarographic | RDO, polarographic | Polarographic |
| DO range (polarographic) | 0 to 600% saturation | 0 to 600% saturation | 0 to 200% Saturation |
| DO range (RDO optical) | 0 to 50 mg/L | 0 to 50 mg/L | --- |
| DO calibration modes | Water-saturated air, air saturated water, manual (Winkler), and zero point | Water-saturated air, air saturated water, manual (Winkler), and zero point | Water-saturated air, manual (Winkler) |
| Barometric pressure compensation | 400 to 850 mmHg, automatic or manual | 400 to 850 mmHg, automatic or manual | --- |
| Salinity Correction | 0 to 45 ppt | 0 to 45 ppt | 0 to 45 |
| Backlit Display | Yes | Yes | --- |
| Number of channels | 1 | 1 | 1 |
| Data log | 5000 with time and date stamp | 1000 with time and date stamp | 50 |
| Data export options | RS232,USB | RS232, USB | RS232, USB |
| AC Adapter | Optional—universal, 100-240 VAC | Optional—universal, 100-240 VAC | Optional—universal, 100-240 VAC |
| Battery power | Included—4AA's | Included—4AA's | Included—4AA's |
| Enhance your productivity with accessories for your benchtop and portable meters. Meter Accessories › | |||
先进 | 基础 | |
|---|---|---|
| Eutech DO2700 溶解氧台式测量仪 | Eutech 1730 溶解氧台式测量仪 | |
 |  | |
| 经济的常规实验室测量仪 | 经济简单的实验室测量仪 | |
| 兼容探头 | 极谱式 | 原电池式 |
| DO 范围（极谱式） | 0.00 - 50.00 mg/L；0 - 600.0% 饱和度 | --- |
| DO 范围（原电池式） | --- | 0 - 30 mg/L；0 - 300.0% 饱和度 |
| DO 校准模式 | 水汽饱和空气、零点、手动（Winkler 滴定） | 100% 和 0% 饱和度，手动输入浓度值（Winkler 滴定） |
| 气压补偿 | 通过内置气压计自动补偿 | 通过手动输入值自动补偿 |
| 盐度校正 | 通过手动输入值自动补偿 | 通过手动输入值自动补偿 |
| 范围（温度） | 0.0 - 50.0 °C，32.0 - 122.0 °F | -5.0 - 105.0 ºC |
| 背光显示屏 | 是 | 是 |
| 通道数 | 1 | 1 |
| 搅拌器探头输入数 | 是 | --- |
| 数据日志 | 500（包含日期/时间） | 500（包含日期/时间） |
| 校准日志 | 可在测量仪上查看最新日志，校准日志存储在测量仪存储器中 | 有效溶解氧、温度（带有时间和日期） |
| 数据导出选项 | RS232 | 计算机或打印机 |
| 电源 | 通用型，100-240VAC，50/60 Hz，货号 60X426401 | 通用型，100–240VAC，50–60Hz（货号 EB1700PWR），9 DC 适配器，1.3A |
观看视频，了解更多信息：
Eutech 1730 溶解氧台式测量仪的特点和优势
高端 | 先进 | 基础 | |
|---|---|---|---|
| Eutech DO 450 便携式溶解氧测量仪 | Eutech DO 600 便携式溶解氧测量仪 | Eutech DO 6+ 便携式溶解氧测量仪 | |
 |  |  | |
| 兼容探头 | RDO | 极谱式 | 极谱式 |
| DO 范围（极谱式） | --- | 0 - 90.00 mg/L 或 ppm | 0.00 - 19.99 mg/L 或 ppm |
| DO 范围（RDO 光学） | 0 - 200%；0 - 20 ppm/mg/L | --- | --- |
| DO 校准模式 | 零和饱和 | 2点（0%、100%）， 1点 (mg/L) | 2点（0%、100%）， 1点 (mg/L) |
| 气压补偿 | 手动 | 450 - 825 mmHg / 59.9 - 109.9 kPa | 500 - 1499 mmHg / 66.6 - 199.9 kPa（手动输入） |
| 盐度校正 | 手动 | 0.0 - 50.0 ppt（手动输入） | 0.0 - 50.0 ppt（手动输入） |
| 背光显示屏 | 是 | 是 | --- |
| 通道数 | 1 | 1 | 1 |
| 数据日志 | 500（包含时间和日期戳） | 500（包含时间和日期戳） | --- |
| 数据导出选项 | USB 或 RS232 | IrDA、RS232C（通过 LED） | --- |
| 交流电源适配器 | 9 V DC 适配器，1.3 A （100/240 VAC、SMPS）（光学） | 9 V DC 适配器 | --- |
| 电池 | 2节 AA 电池（内附） | 内附4节 AA 电池 | 4节 AAA 电池 |
Premium | Advanced | Basic | |
|---|---|---|---|
| Orion Versa Star Pro Dissolved Oxygen Bench Meter (Versa Star Pro series) | Orion Pro Star DO213 Dissolved Oxygen Bench Meter (Pro Star series) | Orion Lab Star DO113 Dissolved Oxygen Bench Meter (Lab Star series) | |
| | | |
| Versatile, high-performance laboratory meters | Easy to use, dependable laboratory meters | Economical, simplified laboratory meters | |
| Ideal for applications in: | Pharmaceuticals, biotechnology, industrial | Environmental, water/ wastewater, food & beverage, industrial | Academic, environmental, power |
| Compatible probes | Optical, polarographic | Optical, polarographic | Optical, polarographic |
| DO range (polarographic) | 0 to 90 mg/L, 0 to 600% | 0.01 to 90.0 mg/L or ppm, 0.0 to 600.0% saturation | 0 to 30 mg/L, 0 to 300% |
| DO range (RDO optical) | 0 to 50 mg/L, 0 to 500% | 0.01 to 90.0 mg/L or ppm, 0.0 to 600.0% saturation | — |
| DO calibration modes | Water-saturated air or air saturated water 100% and 0% saturation, custom concentration value (Winkler) | Water-saturated air or air saturated water 100% and 0% saturation, custom concentration value (Winkler) | 100% and 0% saturation; custom concentration value |
| Barometric pressure compensation | Automatic with built-in barometer | Automatic with built-in barometer | Automatic with manual value input |
| Salinity correction | Automatic with conductivity module and probe or manual input | Automatic with built-in barometer or manual entry | Automatic with manual factor input |
| Temperature range | -5 to 105°C 23 to 221°F | -30 to 130°C -22 to 266°F | -5 to 105°C 23 to 221°F |
| Number of channels | 4, customizable with modules | 1 | 1 |
| Stirrer probe inputs | 2 | 1 | — |
| Display | 5.3-inch, backlit color display | 7-inch, high-resolution, backlit color display | 5-inch, backlit segmented display |
| Touchscreen | No | Yes | No |
| Onscreen text prompts | Step-by-step calibration and guided setup instructions | Step-by-step calibration and guided setup instructions | Basic calibration and setup instructions |
| Identification options | Electrode ID, sample ID, user ID | Electrode ID, sample ID, user ID | — |
| Data log | 2000 with date/time | 10000 with date/time | 500 with date/time |
| Calibration log | 30 per parameter | 20 per parameter | — |
| Data export options | Computer, printer | Computer, printer, USB flash drive | Computer, printer |
| Power supply | Universal, 100–240 VAC, 50-60 Hz (Cat. No. STARA-PWR) | Universal, 100-240 VAC, 50-60Hz (Cat. No. PSTAR-PWR), 9 DC adapter, 2.0A | Universal, 100-240 VAC, 50-60Hz (Cat. No. LSTAR-PWR), 9 DC adapter, 1.3A |
Premium | Advanced | Basic | |
|---|---|---|---|
| Orion Star A323 Dissolved Oxygen (STARA3230 series) | Orion Star A223 Dissolved Oxygen (STARA2230 series) | Orion Star A123 Dissolved Oxygen (STARA1230 series) | |
| | | |
| Compatible probes | RDO, polarographic | RDO, polarographic | Polarographic |
| DO range (polarographic) | 0 to 600% saturation | 0 to 600% saturation | 0 to 200% Saturation |
| DO range (RDO optical) | 0 to 50 mg/L | 0 to 50 mg/L | --- |
| DO calibration modes | Water-saturated air, air saturated water, manual (Winkler), and zero point | Water-saturated air, air saturated water, manual (Winkler), and zero point | Water-saturated air, manual (Winkler) |
| Barometric pressure compensation | 400 to 850 mmHg, automatic or manual | 400 to 850 mmHg, automatic or manual | --- |
| Salinity Correction | 0 to 45 ppt | 0 to 45 ppt | 0 to 45 |
| Backlit Display | Yes | Yes | --- |
| Number of channels | 1 | 1 | 1 |
| Data log | 5000 with time and date stamp | 1000 with time and date stamp | 50 |
| Data export options | RS232,USB | RS232, USB | RS232, USB |
| AC Adapter | Optional—universal, 100-240 VAC | Optional—universal, 100-240 VAC | Optional—universal, 100-240 VAC |
| Battery power | Included—4AA's | Included—4AA's | Included—4AA's |
| Enhance your productivity with accessories for your benchtop and portable meters. Meter Accessories › | |||
先进 | 基础 | |
|---|---|---|
| Eutech DO2700 溶解氧台式测量仪 | Eutech 1730 溶解氧台式测量仪 | |
| | |
| 经济的常规实验室测量仪 | 经济简单的实验室测量仪 | |
| 兼容探头 | 极谱式 | 原电池式 |
| DO 范围（极谱式） | 0.00 - 50.00 mg/L；0 - 600.0% 饱和度 | --- |
| DO 范围（原电池式） | --- | 0 - 30 mg/L；0 - 300.0% 饱和度 |
| DO 校准模式 | 水汽饱和空气、零点、手动（Winkler 滴定） | 100% 和 0% 饱和度，手动输入浓度值（Winkler 滴定） |
| 气压补偿 | 通过内置气压计自动补偿 | 通过手动输入值自动补偿 |
| 盐度校正 | 通过手动输入值自动补偿 | 通过手动输入值自动补偿 |
| 范围（温度） | 0.0 - 50.0 °C，32.0 - 122.0 °F | -5.0 - 105.0 ºC |
| 背光显示屏 | 是 | 是 |
| 通道数 | 1 | 1 |
| 搅拌器探头输入数 | 是 | --- |
| 数据日志 | 500（包含日期/时间） | 500（包含日期/时间） |
| 校准日志 | 可在测量仪上查看最新日志，校准日志存储在测量仪存储器中 | 有效溶解氧、温度（带有时间和日期） |
| 数据导出选项 | RS232 | 计算机或打印机 |
| 电源 | 通用型，100-240VAC，50/60 Hz，货号 60X426401 | 通用型，100–240VAC，50–60Hz（货号 EB1700PWR），9 DC 适配器，1.3A |
观看视频，了解更多信息：
Eutech 1730 溶解氧台式测量仪的特点和优势
高端 | 先进 | 基础 | |
|---|---|---|---|
| Eutech DO 450 便携式溶解氧测量仪 | Eutech DO 600 便携式溶解氧测量仪 | Eutech DO 6+ 便携式溶解氧测量仪 | |
| | | |
| 兼容探头 | RDO | 极谱式 | 极谱式 |
| DO 范围（极谱式） | --- | 0 - 90.00 mg/L 或 ppm | 0.00 - 19.99 mg/L 或 ppm |
| DO 范围（RDO 光学） | 0 - 200%；0 - 20 ppm/mg/L | --- | --- |
| DO 校准模式 | 零和饱和 | 2点（0%、100%）， 1点 (mg/L) | 2点（0%、100%）， 1点 (mg/L) |
| 气压补偿 | 手动 | 450 - 825 mmHg / 59.9 - 109.9 kPa | 500 - 1499 mmHg / 66.6 - 199.9 kPa（手动输入） |
| 盐度校正 | 手动 | 0.0 - 50.0 ppt（手动输入） | 0.0 - 50.0 ppt（手动输入） |
| 背光显示屏 | 是 | 是 | --- |
| 通道数 | 1 | 1 | 1 |
| 数据日志 | 500（包含时间和日期戳） | 500（包含时间和日期戳） | --- |
| 数据导出选项 | USB 或 RS232 | IrDA、RS232C（通过 LED） | --- |
| 交流电源适配器 | 9 V DC 适配器，1.3 A （100/240 VAC、SMPS）（光学） | 9 V DC 适配器 | --- |
| 电池 | 2节 AA 电池（内附） | 内附4节 AA 电池 | 4节 AAA 电池 |
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Orion Lab Star DO113 DO Bench Meter
The Thermo Scientific Orion Lab Star DO113 Dissolved Oxygen Bench Meter is ideally suited for laboratories with users of varying levels of technical expertise and who require a simple-to-calibrate and use meter for routine dissolved oxygen testing. Watch this video to explore the features available with the Orion Lab Star DO Bench Meter.
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