Dissolved Oxygen Meters

LSS 33Y923 pH / mV / Conductivity / Dissolved Oxygen DO Meter Kit Grainger Test

Storage: Rugged, custom-molded LSS plastic hard-shell carrying case.

Thermo Orion Star A329 pH/ISE/Conductivity/Dissolved Oxygen Portable Multi Meter

Previously working but was surplused and has sat around in the case for a couple years. I tested it with an AC adapter and the main unit seems to work fine, but I didn't test any of the probes so those are sold as-is.

Weidmann InsuLogix H-101 Hydrogen Monitor | Industrial | Not Tested

• Model: InsuLogix H-101. • Manufacturer: Weidmann. • Hydrogen monitor unit only. • Type: Hydrogen Monitor. This unit has not been powered on or functionally tested. Internal condition is unknown. • Condition: For parts or not working.

Lot of 2 YSI 52CE Dissolved Oxygen Meter

Lot includes 2 YSI 52CE dissolved oxygen meters Designed for dissolved oxygen measurement in laboratory and field applications Portable handheld meter configuration Compatible with YSI dissolved oxygen probes and sensors Suitable for water quality monitoring and environmental testing Reliable dissolved oxygen meters designed for accurate water quality analysis and monitoring. Ideal for laboratory research environmental testing and educational applications. .

Mettler Toledo 30014101 InPro6860i DO O2 Sensor 220mm USED (Best Offer!)

Model: InPro6860i DO O2 Sensor. Model Number/MPN: 30014101. Length: 220mm. Unit is not tested in the field of use.

HANNA INSTRUMENTS HI-9146 Dissolved Oxygen Meter HI9146

HANNA INSTRUMENTS HI-9146 Dissolved Oxygen Meter HI9146

YSI MODEL 55 meter with 12ft cable Dissolved oxygen temperature membrane kit

YSI 550A Oxygen Meter. No Electrolyte In Probe. It Works. With Case

Electrode needs to be filled with electrolyte solution.

Hamilton DO Kit with tablet, bluetooth, batteries and DO sensors

Bluetooth wireless converter. -2 ARC bluetooth wifi adapters. Complete hard cased kit includes.

HANNA HI 9143 Dissolved Oxygen Meter Kit w/ Probe, Case & Manual

Used condition. Includes: • HI 9143 Dissolved Oxygen Meter • Dissolved Oxygen Probe • Hard Carrying Case • Instruction Manual • Bottle of solution/electrolyte (as pictured) • Accessories shown in photos The unit is in good cosmetic condition for its age. Functionality: • Powers on and functions. • Probe and meter are included. • Not calibrated This model was commonly used for dissolved oxygen measurements in: • Wastewater treatment • Environmental monitoring • Aquaculture • Biological and laboratory applications  Please review all photos carefully as they are part of the description. Sold as pictured.

💧 YSI 556 MPS Multiparameter Water Quality Meter w/ Cable Probe USA

🔄The pictures show the actual machine for sale. We examine each of our devices to the best of our abilities! Yet, we are not able to test each function of the device. Every device is professionally cleaned and serviced to ensure its longest life possible.

YSI 5239 Dissolved Oxygen Probe 10 Ft Cable

Slightly Used YSI 5239 Dissolved Oxygen Probe 10 Ft Cable

BSIDE Dual Channels Handheld Oscilloscope 50MHz Bandwidth 3.98" Color Touch LCD

BSIDE Dual-Channel Oscilloscope O2 50MHz 250MSa/s Real-Time Sampling 3.98-Inch Touch Screen Built-In Signal Generator Data Retention Battery Powered. Used, great condition, no cables, no original box.

YSI 5100 115V Automated Calibration Auto Stabilization Dissolved Oxygen Meter

We acquired the unit in a state surplus sale. We don't know the prior usage history. For all others, there might extra. Inventory ID: WH2Z2S2A, 070224, BT.

Anatel A-1000 S20P Portable Organics TOC Analyzer for Water Systems

Bought a newer TOC system.

Thermo Orion 830A Dissolved Oxygen Meter

Tested and working. No Batteries included.

Orion Model 830 Dissolved Oxygen Meter With Case and Manual

—Orion Model 830 Dissolved Oxygen Meter With Case and Manual —-pictures are part of description showing what is included only and overall condition —- shipped ups, FedEx or usps with no returns —- leave positive feedback and I will do the same

Hamilton Oxyferm FDA VP 225 Dissolved Oxygen Sensor Set w/ 4 Sensor (3372710)

This Hamilton Oxyferm FDA VP 225 Dissolved Oxygen Sensor set is in excellent condition, featuring near-new status with minimal prior use. Model: Oxyferm FDA VP 225. This code is appropriate given the sensor's function in monitoring dissolved oxygen levels in laboratory applications.

Extech 407510A Dissolved Oxygen Meter

This is a nice used Extech 407510A Dissolved Oxygen Meter. Needs electrolyte to use, not included.

Oakton EW-35643-12 DO 6+ Dissolved Oxygen (Meter ONLY) - NEW BATTERIES - Used

The unit powers on normally, the display is clear, and the keypad responds properly. New batteries have been installed. Oakton DO 6+. Dissolved oxygen (mg/L and %) — probe required. Laboratory dissolved oxygen testing.

Orion Model 830, Dissolved Oxygen Meter

This is a nice used Orion Model 830 Dissolved Oxygen Meter. Needs sensor tip and electrolyte to use. No electrolyte included.

Milwaukee Instruments MW600 Dissolved Oxygen DO Meter

Working.

Vintage Corning Checkmate 90 Handheld Dissolved Oxygen DO Meter Probe Untested

Untested, see photos for more details

Cole-Parmer Traceable Dissolved Oxygen Meter EW-98767-10 w/ Probe DO Meter

• Attached Dissolved Oxygen Probe. • Probe is included as shown in photos. • LCD display is clear and functional. • Portable handheld design. • Powers on successfully.

Assorted Dissolved Oxygen Sensor Probes - Oxyferm FDA 120 237450 & Oxyprobe

Includes: two dissolved oxygen sensor probes. The units display minor wear, including light surface scratches and handling marks, consistent with prior use. Functional Testing: Untested, but retrieved from a laboratory in which the unit was functioning.

HACH SensION + DO6 PORTABLE DISSOLVED OXYGEN METER

Item powers up no further testing done.

Mettler Toledo InPro 6820/12/120 Dissolved Oxygen Sensor

Orbisphere Labratories 3600 Oxygen Analyzer (flashes "Check the Sensor") (video)

Model: 3600 Analyzer. Model #: 3600. When plugged in, it turns on and shows model and its DOM of 1994. It then shows the screen with 3.6ppm O2 and temp of 22.3C. Then then blinks "Check the Sensor" and then "Overrange Range 0".

Omega DOH-SD1-Series Dissolved Oxygen Meter Real Time SD Card Data Logger Used

Download data from the SD card into an Excel spreadsheet. This allows the user to do further data or graphical analysis without special software. The DOH-SD1 has a wide variety of applications from water conditioning, aquariums, and fish hatcheries to food processing, educational and other laboratories.

YSI Model 95D Dissolved Oxygen Meter Micro Electrode Array

Micro Electrode Array. I AM OPEN TO RESOLVE ANY PROBLEM.

YSI 52 Dissolved Oxygen Meter with AC adapter- 52CE

Unit powers on and displays startup/self-test screens as shown in the photos. Includes AC power adapter and integrated stand. Model: 52CE. AC power adapter. Integrated support stand. RS-232 interface.

YSI 95D Dissolved Oxygen Meter Micro Electrode Array

Micro Electrode Array. I AM OPEN TO RESOLVE ANY PROBLEM.

Vintage Corning Checkmate 90 Handheld Dissolved Oxygen DO Meter Probe Untested

Despite being untested, it holds potential for its historical significance and potential functionality in certain applications.

Dissolved Oxygen Meter Kit by Sper Scientific. (36/K10)

This meter reads dissolved oxygen for measuring water quality in labs, industrial and municipal waste water, aquariums, fish hatcheries and environmental testing. Unsure of operating parameters so listed for parts or repair - no knowledge on how to test. Item screen illuminates when batteries installed. See photos. Includes operating manual. Please ask any questions and review pictures prior to purchase.

YSI Model 55/12 FT Dissolved Oxygen Meter, Handheld Instrument, Cable, Probe

The YSI Model 55/12 FT Dissolved Oxygen Meter is a handheld instrument designed for measuring dissolved oxygen levels in biological laboratories. Made by YSI, a trusted brand in the United States, this meter comes with a cable and probe for easy operation. The model number 55-12FT indicates its specific design for measuring dissolved oxygen levels in feet. Ideal for various disciplines in healthcare and lab settings, this dissolved oxygen meter provides accurate readings for monitoring and analyzing water quality or gas levels in biological samples.

Orion Model 830A Dissolved Oxygen Meter - Working - No Probe

Orion Model 830A Dissolved Oxygen Meter - Working - No Probe. Condition is Used. Shipped with USPS Ground Advantage. This was used briefly for a home wine making project. The item works great just hasn’t been used in years and lost the probe. Check photos for as is condition.

Mettler Toledo Dissolved Oxygen Sensor InPro InPro6860i/12/120/nA

Broadley James Corporation D140 12x220mm Autoclavable Dissolved Oxygen Sensor

The Broadley James Corporation D140 12x220mm Autoclavable Dissolved Oxygen Sensor is a high-quality, durable sensor designed for use in physical, microbiological, and biological laboratories. Made in the United States, this sensor is intended for precise measurements of dissolved oxygen levels in various laboratory settings. Its autoclavable design ensures easy maintenance and cleaning, making it a reliable tool for healthcare, lab, and dental applications. Each unit is sold individually and is ideal for those looking for accurate and efficient dissolved oxygen measurements in their research or professional settings.

Omega PHDG-71 Waterproof Dissolved Oxygen Meter

The PHDG-71 has a built-in alarm system consisting of two totally independent alarm points, each having its own relay and front panel indicator. To provide a fail-safe backup in the event of a power failure, the relays are energized below setpoint.

Milwaukee MW 600 Dissolved Oxygen Meter Unit Only No Cable Read First

This unit appears to be new but only the main unit controller No attachments included / no cable See pictures USA seller Ready to ship Milwaukee Instruments MW600