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)
 Premium Orion benchtop  dissolved oxygen meters

 Versatile, high-performance laboratory metersEasy to use, dependable
laboratory meters
Economical, simplified
laboratory meters
Ideal for
applications in:
Pharmaceuticals,
biotechnology, industrial
Environmental, water/ wastewater, food & beverage, industrialAcademic,
environmental, power
Compatible probes Optical, polarographicOptical, 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 barometerAutomatic 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 channels4, customizable with modules11
Stirrer probe inputs21
Display5.3-inch, backlit color display7-inch, high-resolution,
backlit color display
5-inch, backlit segmented display
TouchscreenNoYesNo
Onscreen text promptsStep-by-step calibration and
guided setup instructions
Step-by-step calibration and
guided setup instructions
Basic calibration and
setup instructions
Identification optionsElectrode ID, sample ID, user IDElectrode ID, sample ID, user ID
Data log2000 with date/time10000 with date/time500 with date/time
Calibration log30 per parameter20 per parameter
Data export optionsComputer, printerComputer, printer, USB flash driveComputer, printer
Power supplyUniversal, 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)
 Premium portable Dissolved Oxygen MetersAdvanced portable Dissolved Oxygen MetersBasic portable Dissolved Oxygen Meters
Compatible probesRDO, polarographicRDO, polarographicPolarographic
DO range (polarographic)0 to 600% saturation0 to 600% saturation0 to 200% Saturation
DO range (RDO optical)0 to 50 mg/L0  to 50 mg/L---
DO calibration modesWater-saturated air, air saturated water, manual (Winkler), and zero pointWater-saturated air, air saturated water, manual (Winkler), and zero pointWater-saturated air, manual (Winkler)
Barometric pressure compensation400 to 850 mmHg,
automatic or manual
400 to 850 mmHg,
automatic or manual
---
Salinity Correction0 to 45 ppt0 to 45 ppt0 to 45
Backlit DisplayYesYes---
Number of channels111
Data log5000 with time and date stamp1000 with time and date stamp50
Data export optionsRS232,USBRS232, USBRS232, USB
AC AdapterOptional—universal,
100-240 VAC 
Optional—universal,
100-240 VAC
Optional—universal,
100-240 VAC
Battery powerIncluded—4AA'sIncluded—4AA'sIncluded—4AA's
  Enhance your productivity with accessories for your benchtop and portable meters. Meter Accessories ›
 

アドバンス

ベーシック

 Eutech DO2700溶存酸素ベンチメーターEutech 1730溶存酸素ベンチメーター
 
 経済的で日常的なラボ用メーター低予算でシンプルなラボ用メーター
互換性のあるプローブポーラログラフガルバニック
DO範囲(ポーラログラフ)0.00~50.00 mg/L;0~600.0%飽和---
DO範囲(ガルバニック)---0~30 mg/L;0~300.0%飽和
DOキャリブレーションモード水飽和空気、ゼロ点、手動(Winkler)100%および0%飽和、手動濃度値(Winkler)  
大気圧補正内蔵気圧計により自動手動で値を入力された値により自動
塩分補正手動で値を入力された値により自動手動で値を入力された値により自動
範囲(温度)0.0~50.0℃-5.0~105.0℃
バックライトディスプレイ
チャンネル数11
撹拌プローブ入力端子---
データログ500件、日付/時間付500件、日付/時間付
校正ログ直近のデータをメーターで表示可能、かつメーターのメモリーに保存活性溶存酸素、時間と日付の温度
データエクスポートのオプションRS232コンピューターまたはプリンター
電源ユニバーサル、100~240 V、50/60 Hz、カタログ番号60X426401ユニバーサル、100~240 V、50~60 Hz(カタログ番号EB1700PWR)、9 DCアダプター、1.3 A

詳細について動画を見る:

Eutech 1730導電率ベンチメーターの特長と利点

 

プレミアム

アドバンス

ベーシック

 Eutech DO 450ポータブル溶存酸素メーター
Eutech DO 600ポータブル溶存酸素メーター
Eutech DO 6+ポータブル溶存酸素メーター
 
互換性のあるプローブ RDOポーラログラフポーラログラフ
DO範囲(ポーラログラフ) --- 0~90.00 mg/Lまたはppm0.00~19.99 mg/Lまたはppm
DO範囲(RDO光学) 0~200%、0~20 ppm/mg/L--- --- 
DOキャリブレーションモード ゼロおよび飽和2点(0%、100%)、
1点(mg/L)
2点(0%、100%)、
1点(mg/L)
大気圧補正 マニュアル450~825 mmHg/
59.9~109.9 kPa
500~1499 mmHg/
66.6~199.9 kPa(手動入力)
塩分補正 マニュアル0.0~50.0 ppt(手動入力)0.0~50.0 ppt(手動入力)
バックライトディスプレイ  有 有 --- 
チャンネル数111
データログ500件、日時スタンプ付500件、日時スタンプ付---
データエクスポートのオプションUSBまたはRS232IrDA、RS232C(LED経由)---
ACアダプター9 V DCアダプター、1.3 A
(100/240V、SMPS)(オプション)
9 V DCアダプター---
バッテリー電源単3乾電池2本(付属)付属—単3 x 4本単4電池4本
 

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)
 Premium Orion benchtop  dissolved oxygen meters

 Versatile, high-performance laboratory metersEasy to use, dependable
laboratory meters
Economical, simplified
laboratory meters
Ideal for
applications in:
Pharmaceuticals,
biotechnology, industrial
Environmental, water/ wastewater, food & beverage, industrialAcademic,
environmental, power
Compatible probes Optical, polarographicOptical, 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 barometerAutomatic 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 channels4, customizable with modules11
Stirrer probe inputs21
Display5.3-inch, backlit color display7-inch, high-resolution,
backlit color display
5-inch, backlit segmented display
TouchscreenNoYesNo
Onscreen text promptsStep-by-step calibration and
guided setup instructions
Step-by-step calibration and
guided setup instructions
Basic calibration and
setup instructions
Identification optionsElectrode ID, sample ID, user IDElectrode ID, sample ID, user ID
Data log2000 with date/time10000 with date/time500 with date/time
Calibration log30 per parameter20 per parameter
Data export optionsComputer, printerComputer, printer, USB flash driveComputer, printer
Power supplyUniversal, 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)
 Premium portable Dissolved Oxygen MetersAdvanced portable Dissolved Oxygen MetersBasic portable Dissolved Oxygen Meters
Compatible probesRDO, polarographicRDO, polarographicPolarographic
DO range (polarographic)0 to 600% saturation0 to 600% saturation0 to 200% Saturation
DO range (RDO optical)0 to 50 mg/L0  to 50 mg/L---
DO calibration modesWater-saturated air, air saturated water, manual (Winkler), and zero pointWater-saturated air, air saturated water, manual (Winkler), and zero pointWater-saturated air, manual (Winkler)
Barometric pressure compensation400 to 850 mmHg,
automatic or manual
400 to 850 mmHg,
automatic or manual
---
Salinity Correction0 to 45 ppt0 to 45 ppt0 to 45
Backlit DisplayYesYes---
Number of channels111
Data log5000 with time and date stamp1000 with time and date stamp50
Data export optionsRS232,USBRS232, USBRS232, USB
AC AdapterOptional—universal,
100-240 VAC 
Optional—universal,
100-240 VAC
Optional—universal,
100-240 VAC
Battery powerIncluded—4AA'sIncluded—4AA'sIncluded—4AA's
  Enhance your productivity with accessories for your benchtop and portable meters. Meter Accessories ›
 

アドバンス

ベーシック

 Eutech DO2700溶存酸素ベンチメーターEutech 1730溶存酸素ベンチメーター
 
 経済的で日常的なラボ用メーター低予算でシンプルなラボ用メーター
互換性のあるプローブポーラログラフガルバニック
DO範囲(ポーラログラフ)0.00~50.00 mg/L;0~600.0%飽和---
DO範囲(ガルバニック)---0~30 mg/L;0~300.0%飽和
DOキャリブレーションモード水飽和空気、ゼロ点、手動(Winkler)100%および0%飽和、手動濃度値(Winkler)  
大気圧補正内蔵気圧計により自動手動で値を入力された値により自動
塩分補正手動で値を入力された値により自動手動で値を入力された値により自動
範囲(温度)0.0~50.0℃-5.0~105.0℃
バックライトディスプレイ
チャンネル数11
撹拌プローブ入力端子---
データログ500件、日付/時間付500件、日付/時間付
校正ログ直近のデータをメーターで表示可能、かつメーターのメモリーに保存活性溶存酸素、時間と日付の温度
データエクスポートのオプションRS232コンピューターまたはプリンター
電源ユニバーサル、100~240 V、50/60 Hz、カタログ番号60X426401ユニバーサル、100~240 V、50~60 Hz(カタログ番号EB1700PWR)、9 DCアダプター、1.3 A

詳細について動画を見る:

Eutech 1730導電率ベンチメーターの特長と利点

 

プレミアム

アドバンス

ベーシック

 Eutech DO 450ポータブル溶存酸素メーター
Eutech DO 600ポータブル溶存酸素メーター
Eutech DO 6+ポータブル溶存酸素メーター
 
互換性のあるプローブ RDOポーラログラフポーラログラフ
DO範囲(ポーラログラフ) --- 0~90.00 mg/Lまたはppm0.00~19.99 mg/Lまたはppm
DO範囲(RDO光学) 0~200%、0~20 ppm/mg/L--- --- 
DOキャリブレーションモード ゼロおよび飽和2点(0%、100%)、
1点(mg/L)
2点(0%、100%)、
1点(mg/L)
大気圧補正 マニュアル450~825 mmHg/
59.9~109.9 kPa
500~1499 mmHg/
66.6~199.9 kPa(手動入力)
塩分補正 マニュアル0.0~50.0 ppt(手動入力)0.0~50.0 ppt(手動入力)
バックライトディスプレイ  有 有 --- 
チャンネル数111
データログ500件、日時スタンプ付500件、日時スタンプ付---
データエクスポートのオプションUSBまたはRS232IrDA、RS232C(LED経由)---
ACアダプター9 V DCアダプター、1.3 A
(100/240V、SMPS)(オプション)
9 V DCアダプター---
バッテリー電源単3乾電池2本(付属)付属—単3 x 4本単4電池4本

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Electrodes and Probes

Electrodes, probes, and sensors for use with conductivity meters

Obtain accurate results with electrodes and probes developed to support the requirements of your sample testing. Choose from a wide variety of parameters, body materials, body styles, fill types, reference systems, junctions and more to meet the needs of your application.

Standards and Solutions

Orion standards and solutions

Ensure the reliability of your measurements with our premium standards and solutions. Our high-quality calibration and maintenance solutions are essential for precise and consistent results. Shop a variety of standards, electrode filling solutions, electrode storage solutions and more.


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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