Monitoring & Testing

monitoring & testing — pre-owned

8,630listings

Browse 8,630 monitoring & testing — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.

Muse S Athena Headband (Gen 3 EEG + fNIRS) - with Original Travel Case
UsedBuy It Now

Muse S Athena Headband (Gen 3 EEG + fNIRS) - with Original Travel Case

Muse S Athena sensor pod and soft fabric headband. For sale is a current-generation Muse S Athena brain-sensing headband in excellent condition. Original owner. Bought new in July 2025. Original official Muse hard-shell protective travel storage case.

$300.00
+$6.57Placerville, US
tropline5
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Roche Diagnostics CoaguChek XS Coagulation Meter w/ Pen & case.  No Test Strips
UsedBuy It NowBest Offer

Roche Diagnostics CoaguChek XS Coagulation Meter w/ Pen & case. No Test Strips

Roche Diagnostics CoaguChek XS Coagulation Meter w/ pen & case. No Test Strips.

$155.00
See listingMarcus Hook, US
recycled_71609
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98.9%Excellent· 584
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Refurbished Wellue O2 Ring Pulse Oximeter with Vibration Alarm & App/PC Software
UsedBuy It Now

Refurbished Wellue O2 Ring Pulse Oximeter with Vibration Alarm & App/PC Software

You can adjust the threshold on the APP. ✅【Continuous Monitoring】 O2Ring can continuously monitor your blood oxygen saturation and heart rate, generate trend reports on APP or PC software, intuitive reports show your health condition in detail.

$99.99
Free ShippingDenver, US
yuanzhi_mfy_10
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99.5%Excellent· 1.8k
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Roche CoaguChek XS Coagulation Meter with Case (No Test Strips)
UsedBuy It Now

Roche CoaguChek XS Coagulation Meter with Case (No Test Strips)

$429.85
+$12.95Rochester, US
dpenda
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100.0%Excellent· 945
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Quantum World QUEX-ED Biofeedback Device-2025 Model
UsedBuy It NowBest Offer

Quantum World QUEX-ED Biofeedback Device-2025 Model

Perfect working condition.

$17500.00
Free ShippingCharlotte, US
anniehum
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100.0%Excellent· 92
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GuardianAngel Personal Alcohol Breath Test Analog Risk Meter Wallet Size
UsedBuy It NowBest Offer

GuardianAngel Personal Alcohol Breath Test Analog Risk Meter Wallet Size

GuardianAngel Personal Alcohol Breath Test Analog Risk Meter Wallet Size

$80.00
See listingBurbank, US
laug-26
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cmi intoxilyzer 240D
UsedBuy It NowBest Offer

cmi intoxilyzer 240D

DOT Approved machine.

$750.00
See listingNatalbany, US
sakiemerrell
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100.0%Excellent· 18
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CLARITY METER, Biofeedback monitoring device
UsedBuy It NowBest Offer

CLARITY METER, Biofeedback monitoring device

$65.00
See listingSanta Rosa, US
randy8454
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Walgreens HoMedics Ultra-Deluxe Blood Pressure Monitor Kit w/ AC Adapter BPA-440
UsedBuy It NowBest Offer

Walgreens HoMedics Ultra-Deluxe Blood Pressure Monitor Kit w/ AC Adapter BPA-440

Blood pressure monitor from Walgreens.

$10.00
+$6.57Belmont, US
antlei-3
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InBody 270 Body Composition Analyzer + Printer | Stadiometer |Rarely Used
LIVE BID
UsedAuction

InBody 270 Body Composition Analyzer + Printer | Stadiometer |Rarely Used

InBody 270 In great shape! Purchased in 2022. Rarely used! I have original box and packing material.

$2500.00
0 bids3d 10h left
+$75.00Apex, US
missadam7
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100.0%Excellent· 11
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Lumen Electronic Metabolic Tester Digital Display Black Rechargeable
LIVE BID
UsedAuction

Lumen Electronic Metabolic Tester Digital Display Black Rechargeable

Lumen Electronic Metabolic Tester Digital Display Black Rechargeable

$19.99
0 bids6d 12h left
See listingHoschton, US
ansm_3047
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100.0%Excellent· 27
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Pass FC-IR100 Infrared Thermometer Digital, Memory Recall, Soft Case, White
UsedBuy It NowBest Offer

Pass FC-IR100 Infrared Thermometer Digital, Memory Recall, Soft Case, White

Pass FC-IR100 Infrared Thermometer Digital, Memory Recall, Soft Case, White

$10.00
See listingComfrey, US
mother3koetzle
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Littmann Classic III Stethoscope
UsedBuy It NowBest Offer

Littmann Classic III Stethoscope

Littmann Classic III Stethoscope

$80.00
See listingNew Providence, US
dei-1056
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Refurbished BP2 Blood Pressure Monitor with EKG Monitor + free AI ECG Analysis
-43%
UsedBuy It Now

Refurbished BP2 Blood Pressure Monitor with EKG Monitor + free AI ECG Analysis

Reasons why you'll love BP2. ☀️Why Combine Blood Pressure and ECG:People with high blood pressure have a higher risk of developing heart problems. ☀️All-in-one Health Monitor: It is a blood pressure monitor with ECG, The user can check his health condition in 30S by simply pressing 2 buttons and following the instructions on the screen.

$39.99$69.99-43%

You save $30.00

Free ShippingDenver, US
yuanzhi_mfy_10
Feedback
99.5%Excellent· 1.8k
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Withings Thermo Smart Temporal Thermometer With Box Excellent Condition
TOP
UsedBuy It NowBest Offer

Withings Thermo Smart Temporal Thermometer With Box Excellent Condition

Cracked Back - Cracked Back - Device will have a crack on the back panel of the device, the crack may vary in size and width but will still not affect the functionality of the device. A refurbished Grade A device will have very minimal amounts of scuffing on the case.

$68.40$76.00-10%

You save $7.60

Free ShippingJacksonville, US
mrdevicesTOP
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99.4%Excellent· 51.5k
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KardiaMobile 6L Personal EKG ECG Device and Heart Monitor 6 Lead EKG Tested
-20%
UsedBuy It NowBest Offer

KardiaMobile 6L Personal EKG ECG Device and Heart Monitor 6 Lead EKG Tested

$57.18$71.47-20%

You save $14.29

See listingCA
olivers-outlet
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99.4%Excellent· 1.3k
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Livongo Digital Automatic Upper Arm Blood Pressure Monitor w/ Cuff Case Manual
UsedBuy It NowBest Offer

Livongo Digital Automatic Upper Arm Blood Pressure Monitor w/ Cuff Case Manual

Livongo Digital Automatic Upper Arm Blood Pressure Monitor w/ Cuff Case Manual

$15.99
See listingPalm Bay, US
paulbl-32
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SEJOY DBP-2208 Wrist Blood Pressure Monitor Automatic Digital w/ Wrist Cuff
UsedBuy It NowBest Offer

SEJOY DBP-2208 Wrist Blood Pressure Monitor Automatic Digital w/ Wrist Cuff

The SEJOY DBP-2208 Wrist Blood Pressure Monitor is an accurate and convenient device for monitoring your blood pressure. This automatic digital monitor comes with a wrist cuff for easy and comfortable use. With a sleek black design and CE marking certification, this monitor is reliable for home use. The manufacturer offers a 1-year warranty, making it a safe investment for your health. The DBP-2208 model from the DBP product line features advanced. technology for precise readings. Powered by batteries, this wrist monitor is a practical and efficient tool for maintaining your blood pressure. Like new

$17.00
See listingMystic, US
johic5377
Feedback
100.0%Excellent· 4
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Siemens Sonoline G40 Ultrasound Machne
UsedBuy It NowBest Offer

Siemens Sonoline G40 Ultrasound Machne

The Sonoline G40 is known for its high-quality imaging capabilities and is widely used for general imaging, OB/GYN, vascular, cardiac, and musculoskeletal applications. Ultrasound System. User-Friendly Interface.

$1500.00
+$500.00San Jose, US
camnez14
Feedback
100.0%Excellent· 9
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Blood Pressure Monitor - Oxiline Pressure XS Pro - Works great
UsedBuy It NowBest Offer

Blood Pressure Monitor - Oxiline Pressure XS Pro - Works great

Alerts for irregular heartbeat. Works great includes carrying case.

$50.00
+$6.57Greenup, US
lhjh1968-9
Feedback
100.0%Excellent· 44
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RESPeRATE To Lower Blood Pressure
UsedBuy It NowBest Offer

RESPeRATE To Lower Blood Pressure

This is a gently used RESPeRATE Ultra to Lower Blood Pressure. It includes the cream/gold device, a black case, sensor belt, ear buds, and user manual. 4 AA batteries are needed, but not included.

$45.00
See listingLisle, US
agomanda
Feedback
100.0%Excellent· 160
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Lumen Metabolism Tracker Handheld Metabolic Measurement Device
UsedBuy It Now

Lumen Metabolism Tracker Handheld Metabolic Measurement Device

The Lumen Metabolism Tracker is a handheld metabolic measurement device designed for measuring alcohol levels in breath samples. It features sensor technology of an Infrared Spectrophotometer and a digital display type. This electronic breathalyzer is powered by a rechargeable battery and is smartphone compatible for connectivity. The set includes instructions. Perfect for monitoring and testing carb burning potential, this Lumen MF-V2-01 model offers precise and convenient measurements.

$45.00
Free ShippingValencia, US
rebuyguy
Feedback
100.0%Excellent· 1.2k
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OMRON Platinum Wireless Upper Arm Blood Pressure Monitor (Model BP5450) VGC
UsedBuy It NowBest Offer

OMRON Platinum Wireless Upper Arm Blood Pressure Monitor (Model BP5450) VGC

Very Good Condition. All items in picture included.

$45.00
See listingThousand Oaks, US
sundaysells
Feedback
100.0%Excellent· 15
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Used Hemoglobin Analyzer
UsedBuy It NowBest Offer

Used Hemoglobin Analyzer

Type: Hemoglobin Testing Analyzer. Condition: Used, tested, and functioning. Model: HemoPoint H2.

$35.99
+$6.57Richmond, US
fa-691023
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100.0%Excellent· 3
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SET OF 9 PATTERSON TECHNICUFF DOUBLE HOSE BLOOD PRESSURE CUFFS VETERINARY USE.
UsedBuy It Now

SET OF 9 PATTERSON TECHNICUFF DOUBLE HOSE BLOOD PRESSURE CUFFS VETERINARY USE.

Nine (9) total cuffs, sizes include These cuffs feature full bladders, allowing for 100% inflation around the limb, which prevents indexing errors that can lead to false pressure readings. x1 size 03/14.

$100.00
+$11.50Pasadena, US
happytailsvet
Feedback
100.0%Excellent· 15
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Lumen Metabolism Tracker MF-V2-01 Handheld Metabolic Measurement Device, in Box
LIVE BID
UsedAuction

Lumen Metabolism Tracker MF-V2-01 Handheld Metabolic Measurement Device, in Box

Used (under 5 times) working as new. In original box with decide, charger, cable and welcome pack. The Lumen Metabolism Tracker MF-V2-01 is a handheld metabolic measurement device that utilizes a rechargeable battery for power and is equipped with Bluetooth connectivity for smartphone compatibility. This device is designed to track metabolism through digital display and breath sample analysis. The set includes instructions for use, making it easy for users to monitor and track their metabolic health.

$6.00
0 bids6d 15h left
See listingAnn Arbor, US
ajeant
Feedback
100.0%Excellent· 453
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Lumen Metabolism Tracker Handheld Metabolic Measurement Device
UsedBuy It NowBest Offer

Lumen Metabolism Tracker Handheld Metabolic Measurement Device

$34.99
Free ShippingAthens, US
grego.myer
Feedback
100.0%Excellent· 24
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Omron 7 Series Upper Arm Blood Pressure Monitor
UsedBuy It Now

Omron 7 Series Upper Arm Blood Pressure Monitor

Omron 7 series blood pressure monitor. Upper Arm with ComFit Cuff.

$39.99
Free ShippingSpring Hill, US
li_416887
Feedback
88.9%Low· 7
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omron blood pressure monitor Tested Works BP761N
UsedBuy It NowBest Offer

omron blood pressure monitor Tested Works BP761N

omron blood pressure monitor Tested Works BP761N. Used Tested and works Runs on batteries Comes with the booklet but no Ac adapter

$18.00
See listingMcKeesport, US
bluefinds
Feedback
100.0%Excellent· 733
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Withings BPM Connect Automatic Blood Pressure Monitor (Clinically Validated)
LIVE BID
UsedAuction

Withings BPM Connect Automatic Blood Pressure Monitor (Clinically Validated)

💓 Withings BPM Connect – Smart Wi‑Fi Blood Pressure Monitor (Like New!). Withings BPM Connect monitor. Clean, well cared for, and ready to use. Wi‑Fi & Bluetooth sync – automatically sends results to your phone.

$39.99
0 bids2d 10h left
+$7.29Overland Park, US
jhawkb-ball
Feedback
100.0%Excellent· 134
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ADC Adcuff 832LF Manual Analog BP Kit w/ Stethoscope & Case
UsedBuy It NowBest Offer

ADC Adcuff 832LF Manual Analog BP Kit w/ Stethoscope & Case

Replace parts if you would like to but its a great collection piece also. Check all images for wear and tear

$40.00
See listingNational Park, US
found_n_flipped
Feedback
100.0%Excellent· 12
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Omron HEM-780 Blood Pressure Meter Monitor with Arm Cuff Tested Works w/case
-31%
UsedBuy It NowBest Offer

Omron HEM-780 Blood Pressure Meter Monitor with Arm Cuff Tested Works w/case

The Omron HEM-780 Blood Pressure Meter Monitor is a reliable and accurate device for monitoring your blood pressure. It features a digital display for easy reading and automatic measurement for convenience. The set includes an arm cuff and the monitor itself, making it a complete package for home use. The unit is white in color and part of the Omron HeartGuide product line, known for its quality and performance. Whether powered by a power adapter or batteries, this blood pressure testing unit is a practical and essential tool for maintaining your healt

$15.00$21.74-31%

You save $6.74

See listingNew Rochelle, US
mjlesrig
Feedback
100.0%Excellent· 40
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Vintage Marshall Self-taking At Home Blood Pressure Kit.
UsedBuy It NowBest Offer

Vintage Marshall Self-taking At Home Blood Pressure Kit.

The Vintage Marshall Self-taking At Home Blood Pressure Kit includes a cuff and is designed for analog display. This unit is perfect for monitoring and testing blood pressure levels at home, providing a convenient and simple way to track your health and well-being. The Marshall brand is known for its quality products in the health care industry, making this blood pressure testing kit a reliable option for those looking to take charge of their health.

$15.00
See listingRussellville, US
p57470
Feedback
100.0%Excellent· 21
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Nevro Charger Kit Model 2500 - NO REMOTE NO CHARGER
UsedBuy It NowBest Offer

Nevro Charger Kit Model 2500 - NO REMOTE NO CHARGER

Nevro Charger Kit Model 2500 - NO REMOTE NO CHARGER.

$59.99
See listingNaples, US
tonynavachavez
Feedback
100.0%Excellent· 339
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BLOOD PRESSURE MONITOR WATCH BPW1 FDA 510K INFLATABLE MICO AIR CUFF
UsedBuy It NowBest Offer

BLOOD PRESSURE MONITOR WATCH BPW1 FDA 510K INFLATABLE MICO AIR CUFF

The Blood Pressure Monitor Watch BPW1 is a wristwatch-style blood pressure monitoring device that features a 1.95" screen size and a sleek black color design.

$99.00
See listingMc Grady, US
boota24
Feedback
88.9%Low· 101
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Blood Pressure Monitor Walgreen's 5+ Features, White, One-Size Cuff, Tested
UsedBuy It Now

Blood Pressure Monitor Walgreen's 5+ Features, White, One-Size Cuff, Tested

Requires 4 AAA batteries, NOT included.

$9.89
See listingNorway, US
younga88
Feedback
100.0%Excellent· 15
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Zacurate PRO Series 500NL Fingertip Pulse Oximeter LED SpO2 PR, Black
UsedBuy It NowBest Offer

Zacurate PRO Series 500NL Fingertip Pulse Oximeter LED SpO2 PR, Black

works great, new batteries too

$14.00
See listingSarasota, US
rebeccasiff86
Feedback
91.7%Low· 86
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Nokia / WITHINGS - Thermo - Smart Temporal Thermometer WiFi / Bluetooth
For parts or not workingBuy It NowBest Offer

Nokia / WITHINGS - Thermo - Smart Temporal Thermometer WiFi / Bluetooth

I was not able to activate it with my phone, we got it used from someone.

$15.00
Free ShippingTampa, US
outandwild
Feedback
100.0%Excellent· 34
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Lifepak 15 V2
UsedBuy It NowBest Offer

Lifepak 15 V2

US Version Comes with 2 batteries and standard carry case as shown in photos. Self-test completed at time of listing. Recently removed from service and ready for use. Message me with any questions. 📞 800-282-9352 x 702

$6200.00
+$149.00Linden, US
joemasl6538
Feedback
100.0%Excellent· 35
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CardioChek Cholesterol Home Test System Analyzer Diagnostics Meter & MEMo Chip
UsedBuy It NowBest Offer

CardioChek Cholesterol Home Test System Analyzer Diagnostics Meter & MEMo Chip

Pre-Owned / Tested for Power. The unit has been tested with fresh batteries and powers on perfectly.

$45.00
See listingEllenburg Depot, US
jes7086
Feedback
99.6%Excellent· 249
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