Dissolved Oxygen Meters

Dissolved Oxygen Meters

Benchtop or portable instruments, probes, and sensors used to measure dissolved oxygen in water and other solutions; typically used to determine oxygen saturation or biological oxygen demand (BOD), a measure of biodegradable material in the sample.
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1 – 26 of 26 results
1

Thermo Scientific™ Orion Lab Star DO Dissolved Oxygen Bench Meters

Orion Lab Star DO113 dissolved oxygen bench meters measure DO as % saturation or concentration with temperature, feature large backlit display for easy viewability, and offer small footprint to save bench space. This DO meter is ideal for simplified, budget-friendly lab testing and data recording.

2

Thermo Scientific™ Orion Star™ A113 Dissolved Oxygen Benchtop Meter

Take simple, accurate dissolved oxygen and temperature measurements with this benchtop meter with easy operation for basic lab testing.

Memory Non-volatile memory preserves log and settings
Sensor Types Polarographic dissolved oxygen sensor
Languages English
Battery Type Four AA (sold separately)
Channels 1
Power Supply Universal AC adapter (included) or 4 AA batteries (sold separately)
Relative Humidity Range 5 to 85 %, non-condensing
Display Type LCD
Outputs None
Weight (English) 2 lb.
Resolution (Temperature) 0.1°C (0.1°F)
Certifications/Compliance CE, TUV 3-1, FCC Class A
Inputs 9 pin MiniDIN (polarographic DO sensor with built-in temperature)
Accuracy (Temperature) ±0.1°C
3

Thermo Scientific™ Orion™ Versa Star Pro™ DO Benchtop Meter

Get premium performance and flexibility with this benchtop meter with module for dissolved oxygen (optical/polarographic) and temperature.

Alarm Output Set point alarm, high/low limit alarm, calibration due alarm
Display Type Color graphic LCD with user-customizable options
Sensor Types RDO optical dissolved oxygen sensor or polarographic dissolved oxygen sensor
Outputs USB (2), RS232
Weight (English) 2.5 lb., modules add 0.5 lb. each
Languages English, Spanish, French, Italian, German, Chinese, Portuguese and Korean
Resolution (Temperature) 0.1°C (0.1°F)
Certifications/Compliance CE, TUV 3-1, FCC Class A
Accuracy (Temperature) ±0.1°C
Channels 4 - customizable with modules
Power Supply Universal AC adapter (included)
Relative Humidity Range 5 to 85 %, non-condensing
4

Fisherbrand™ Traceable™ Portable Dissolved Oxygen Meter

Traceable to NIST™ standards.

5

Thermo Scientific™ Orion Star™ A213 Dissolved Oxygen Benchtop Meter

Reliably measure dissolved oxygen (RDO optical/polarographic) and temperature with this benchtop meter for advanced lab analysis.

Memory Non-volatile memory preserves data log, calibration log and meter settings
Sensor Types RDO optical dissolved oxygen sensor or polarographic dissolved oxygen sensor
Languages English, Spanish, French, Italian, German and Chinese; Portuguese and Korean available with software update
Channels 1
Power Supply Universal AC adapter (included) or 4 AA batteries (sold separately)
Relative Humidity Range 5 to 85 %, non-condensing
Alarm Output High/low limit alarm, calibration due alarm
Display Type Graphic LCD with Backlight
Outputs USB, RS232
Weight (English) 2 lb.
Resolution (Temperature) 0.1°C (0.1°F)
Certifications/Compliance CE, TUV 3-1, FCC Class A
Inputs 9 pin MiniDIN (RDO optical or polarographic DO sensor with built-in temperature), stirrer input (stirrer probe)
Accuracy (Temperature) ±0.1°C
6

Thermo Scientific™ Orion Star™ A223 Dissolved Oxygen Portable Meter

Reliably measure dissolved oxygen (optical/polarographic) and temperature with this RDO/DO portable meter for advanced field analysis.

Memory Non-volatile memory preserves data log, calibration log and meter settings
Sensor Types RDO optical dissolved oxygen sensor or polarographic dissolved oxygen sensor
Languages English, Spanish, French, Italian, German and Chinese; Portuguese and Korean available with software update
Battery Type Four AA (included)
Channels 1
Relative Humidity Range 5 to 85 %, non-condensing
Power Supply 4 AA batteries (included) or universal AC adapter (sold separately)
Alarm Output Calibration due alarm (fixed 12 hour)
Display Type Graphic LCD with Backlight
Outputs USB, RS232
Weight (English) 1.2 lb.
Certifications/Compliance CE, TUV 3-1, FCC Class A
Inputs 9 pin MiniDIN (RDO optical or polarographic DO sensor with built-in temperature)
Accuracy (Temperature) ±0.1°C
7

Thermo Scientific™ Orion Star™ A123 Dissolved Oxygen Portable Meter

Take simple dissolved oxygen and temperature measurements with this portable meter with easy operation for basic field testing.

Memory Non-volatile memory preserves log and settings
Sensor Types Polarographic dissolved oxygen sensor
Languages English
Battery Type Four AA (included)
Channels 1
Relative Humidity Range 5 to 85 %, non-condensing
Power Supply 4 AA batteries (included) or universal AC adapter (sold separately)
Display Type LCD
Keypad Simple with highlighted measure key, scroll and shortcut keys
Outputs None
Weight (English) 2 lb.
Resolution (Temperature) 0.1°C (0.1°F)
Certifications/Compliance CE, TUV 3-1, FCC Class A
Inputs 9 pin MiniDIN (polarographic DO sensor with built-in temperature)
Accuracy (Temperature) ±0.1°C
8

Thermo Scientific™ Orion Star™ A323 Dissolved Oxygen Portable Meter

Accurately monitor dissolved oxygen (optical/polarographic) and temperature with this RDO/DO portable meter for challenging field testing.

Memory Non-volatile memory preserves data log, calibration log and meter settings
Sensor Types RDO optical dissolved oxygen sensor or polarographic dissolved oxygen sensor
Languages English, Spanish, French, Italian, German and Chinese; Portuguese and Korean available with software update
Battery Type Four AA (included)
Channels 1
Relative Humidity Range 5 to 85 %, non-condensing
Power Supply 4 AA batteries (included) or universal AC adapter (sold separately)
Alarm Output High/low limit alarm, calibration due alarm
Display Type Graphic LCD with Backlight
Keypad Comprehensive with menu-specific function keys and dual purpose scroll/shortcut keys
Outputs USB, RS232
Weight (English) 1.2 lb.
Resolution (Temperature) 0.1°C (0.1°F)
Certifications/Compliance CE, TUV 3-1, FCC Class A
Inputs 9 pin MiniDIN (RDO optical or polarographic DO sensor with built-in temperature)
Accuracy (Temperature) ±0.1°C
9

Mettler Toledo™ FiveGo™ F4 DO Meters

Portable meter provides reliable and high quality dissolved oxygen (DO) measurements with simple click of a button

Promotions are available
10

YSI™ Pro20 BOD Lab Kit

Pro20 BOD Lab Kit includes everything from lab to field (or both) along with a probe. Pro20 DO Meter is a tough, smart, versatile and portable dissolved oxygen meter for the lab or field!

11

YSI™ Pro2030 Field Dissolved Oxygen/Conductivity Meter

Measure DO, salinity, conductivity, specific conductance, TDS, barometric pressure and temperature

12

YSI™ ProODO Optical DO Cable

For use with ProODO, ProDSS, and 5500D instruments.

13

YSI™ EcoSense ODO200 Optical DO/Temperature Kit

Accurate, economical, handheld dissolved oxygen measurements using optical technology.

Type Optical DO/Temperature Kit
14

YSI™ Pro20 Field Kits

Height (Metric) 2.3 cm
Warranty 3 years instrument, 2 years cable, 1 year polarographic sensor, 6 months galvanic sensors
Temperature (Metric) Range -5°C to +55°C
Accuracy (DO) 0 to 20mg/L, ±2% of the reading, 20 to 50mg/L, ±6% of the reading
Width (English) 3.25 in.
Battery Type 2 alkaline C-cells
Battery Life 400 hr.
Temperature (English) Range 23°F to 131°F
Weight (English) 1.05 lb.
Certifications/Compliance RoHS, CE, WEEE, IP-67 waterproof, 1-meter drop test
Accuracy (Temperature) ±0.3°C
Accuracy (Barometer) ±5mmHg (5°C)
Weight (Metric) 47.5 kg
Height (English) 2.25 in.
15

OHIOLUMEX CO INC FIRESTINGO2 OXYGEN METER

NC1173802 FIRESTINGO2 OXYGEN METER

ENCOMPASS
16

Cole-Parmer YSI 559 Replacement Dissolved Oxygen (DO) Sensor Module

This is a 559 replacement DO sensor module.

ENCOMPASS
17

FLIR Systems Dissolved Oxygen ExStik™
SCI_ED

ENCOMPASS
18

Thermo Scientific™ Orion™ 3-Star Plus Dissolved Oxygen Portable Meter

Waterproof, battery-operated meter stands up to the most demanding field applications

19

Fisherbrand™ accumet™ Research AR40 Benchtop Dissolved Oxygen Meter Kit

Easy-to-use dissolved oxygen meter provides accuracy, reliability and intuitive operation.

20

Fisherbrand™ Traceable™ Portable Dissolved Oxygen Meter Pens

Compact, rugged design with large, easy-to-read digits. Fisherbrand Traceable Portable Dissolved Oxygen Meter Pen has a water-resistant design with O-ring seal and membrane keypad which assures a long life in severe lab or harsh plant environments.

21

Mettler Toledo™ Portable Dissolved Oxygen Meters

22

Oakton™ DO Six+ Portable Dissolved Oxygen Meters

High accuracy combined with economical pricing.

Warranty 3 Years
Temperature (Metric) Range 0°C to 50°C
Accuracy (DO) ±1.5% FS
Saturation Range 0 to 200%
Battery Type AA
Range (Salinity) 0 to 50ppt
Display Type LCD
Temperature (English) Range 32°F to 122°F
Operating Limits Ambient Temperature Range 0°C to 50°C
Resolution (DO) 0.01mg/L
Resolution (Temperature) 0.1°C
Certifications/Compliance CE
Saturation Resolution 0.1%
Accuracy (Temperature) ±0.5 °C
Range (DO) 0 to 20mg/L
23

Oakton™ Waterproof DO 450 Portable Dissolved Oxygen Meter, DO 450 meter kit w/optical probe

Affordable optical RDO technology reduces maintenance time and costs.

Dimensions (L x W x H) 20 x 8 x 5.7 cm (7.9 x 3.12 x 2.25 in.)
Warranty 3 Years
Battery Life 500 hours
Temperature (Metric) Range -10° to +110°C
Accuracy (DO) ±2%
Display Type Backlit LCD
IP Rating IP-67
Temperature (English) Range 17°F to 230°F
Data Points 500 sets
Certifications/Compliance CE marked, TUV 3-1, FCC Class A
Resolution (Temperature) 0.1
Battery Type Two AA batteries
Accuracy (Temperature) ±0.5°C (±0.9°F)
24

YSI™ Model 550A Dissolved Oxygen Meter

Rugged DO Meter designed for the field

Warranty 3 Years
Accuracy (DO) 0 to 20mg/L, ±0.3mg/L or 2% of reading, whichever is greater, 20 to 50mg/L, ±6% of reading
Width (English) 4.75 in.
Length (Metric) 23 cm
Saturation Range 0 to 500% Air Saturation
Length (English) 9 in.
Sensor Types Thermistor
For Use With (Application) DO, Temperature
Width (Metric) 12 cm
Battery Type C Alkaline
Battery Life 2000 hr.
IP Rating IP-67
Temperature (English) Range 23°F to 113°F
Resolution (DO) 0.01, 0.1mg/L
Weight (English) 2 lb.
Resolution (Temperature) 0.1°C
Certifications/Compliance CE, IP67
Saturation Resolution 0.1% Air Saturation
Accuracy (Temperature) ±0.3°C
Range (DO) 0 to 50mg/L
Dimensions (L x W) 9 x 4.75 in. (23 x 12 cm)
Weight (Metric) 0.91 kg
Height (English) 2.5 in.
25

YSI™ Benchtop Models 5100 Dissolved Oxygen Meters

Full-featured, microprocessor-controlled meters for state-of-the-art performance.

26

Fisherbrand™ Traceable™ Dissolved Oxygen Meter Pen
SCI_ED

O-ring seal and membrane keypad for long life in severe lab or harsh plant environments.