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700,754 results for test in videos

TV colour bars test card screen. SMPTE Television Color Test Calibration Bars. Test card. SMPTE color bars. Graphic for footage video and 1Khz Sine Wave
00:28
TV test card signal pattern animation. Please stand by starting soon streaming countdown. Television Color Test Calibration Bars. seamless looping
00:14
Close-up of the Row of Students Writing in the Notebooks, Taking Exam. Focus of Hands with Pens. Shot on RED EPIC-W 8K Helium Cinema Camera.
00:12
One-minute black and white retro TV test pattern with countdown timer in center. Perfect for broadcasters and streamers countdown.
01:00
Pipette with liquid inside drop water in test tubes. Close up macro.
00:14
Generic 3d car crash test with crashtest dummy. Car destruction. Realistic 4k animation.
00:10
Scantron Test Paper
00:16
hand with pencil taking a multiple choice test
00:18
over shoulder doctor writing on a form for a blood test
00:18
Please stand by screen with color bars pattern background with static noise
00:05
Vintage “Please Stand By” test card with radial calibration pattern, sepia tone, and film dust texture
00:20
Lab assistant makes urgent blood test for detection of antibodies and infections
00:29
Waist up slowmo of group of multiethnic college students sitting one by one at desk in classroom writing test
00:28
Doctor hand taking a blood sample tube from a rack with machines of analysis in the lab background, Technician holding blood tube test in the research laboratory.
00:19
A scientist in his laboratory holds a test tube containing DNA and is able to control the evolution of man thanks to holography. Concept of: DNA, technology, augmented reality.
00:14
Analog capture (intentional heavy distortion fx): a tv test pattern (also called cinescope) made of blocks and shapes of varying dimensions.
00:12
A robot standing in front of a row of test tubes, suitable for science, technology and innovation themed projects
00:10
Vintage switch on off television displays a Please stand by on retro TV screen test pattern after flicking a vintage switch.
00:10
Muscular athlete with mask running on treadmill in gym for monitoring his performance. Sportsman in sports science lab measuring his performance cardio respiratory test professional athlete
00:25
Unrecognizable man walking on treadmill during cardiac stress test
00:14
Nurse puts a bar code on a test tube with a blood test
00:11
Close up of lab technician hands in gloves applying barcode label on test tube with blood plasma or urine sample for medical analysis in clinical laboratory indoors.
00:13
Closeup view 4k video of child hand with red spot reaction to conducting Mantoux test after 72 hours from injection. Nurse in blue gloves applying transparent ruler to check reaction.
00:16
Broadcast Test Card With 59-Second Countdown For Technical Breaks. Color television test pattern with Please Stand By text and countdown timer from 00:59 to 00:00 seconds.
01:00
Close Up Tracking Of Woman Holding Positive Pregnancy Test In Public Bathroom
00:10
Glass test tube in laboratory with blue color ink inside. Close up macro.
00:20
16:9 TV color bar damage glitch distortion background, abstract noise effect. (4K UHD seamless looping, computer digitally generated animation.)
00:10
A crash test dummy in a car with a deployed airbag and smoke demonstrates the critical life-saving technology of vehicle safety testing during a simulated high-speed collision
00:08
Please stand by tv test pattern retro vintage broadcast. 4k animation video
00:10
Test results, working mom Unexpectedly Reading a pregnancy test Sitting in the bathroom, Slow motion Pregnant woman Analyzing test strips Women's health centers, Test
00:08
Doctor in medical PPE suit holds a covid antigen test of care testing. Lab performing rapid diagnostic test for antibodies to detect presence of antigens Coronavirus disease.
00:14
Close-up of positive Covid antigen test in hand, rack focus
00:15
Blood, research and hands of scientist in laboratory with sample for science, medical study or investigation. Healthcare, pharmaceutical and person with DNA test vial, RNA analysis and writing notes
00:09
Evaluation or measurement concept. Student testing in exercise taking fill in exam at school or university in test room, writing document exams paper at campus classroom, education back to school idea
00:09
A beautiful woman takes a pregnancy test and as soon as she reads that she is pregnant, she explodes in a moment of happiness and joy for the future birth of her child. Concept of: birth, life, family
00:12
Woman holding a pregnancy test in her hands. The result is positive.
00:12
Hands of a food scientist mixing experimental food samples in test tubes and petri dishes highlighting the scientific approach to food formulation and preservation.
00:06
Technical difficulties error tv test pattern showcases a message for broadcast production, television, troubleshooting, technical difficulties, media projects, and presentations.
00:10
Classic monochrome TV test pattern displaying the 'please stand by' message, simulating a vintage broadcast interruption with static and visual glitches
00:08
Schoolboy cheating during exam in classroom
00:14
Scientist with gloves injecting liquid sample into a plastic gradient lab for test
00:09
Covid rapid antigen test positive result timelapse
00:16
Selective focus shot of female scientist in protective mask and glasses pouring blue liquid in test tubes with pipette during microbiology experiment in laboratory
00:18
Lab technician in blue gloves labeling urine sample test tube with barcode in modern medical laboratory for diagnostic analysis and research.
00:13
Lab Research Test Tubes
00:08
No signal test pattern TV screen. 4k footage.
00:13
Analysis of the PH and chlorine of the water in a swimming pool in Summer. Check quality of water with test strip, comparing results.
00:15
Covid 19 antigen rapid test kit with positive result for infection. Coronavirus rapid self-test home kit close-up image
00:10
Portrait of happy young woman looking at pregnancy test. Girl smiling after the positive result of pregnancy test
00:14
TV test tablet with glitch interference on lcd screen background animation - new quality digital twitch technology colorful video footage
00:10
Generic 3d car crash test with crashtest dummy. Car destruction. Realistic 4k animation.
00:10
Close-up of the process of taking blood from the vein from man for biochemical blood testing. Preparation for blood test with by phlebotomist technician doctor in medical clinic.
00:56
Classic vintage 'please stand by' screen displaying a retro television test pattern with distressed textures and vibrant color bars, signaling an upcoming broadcast pause
00:10
Glass test tubes with liquid on white background.
00:12
Lab technician holding blood tube sample for study. Medical technologist dropping blood into test tube in hospital laboratory
00:10
An engineer in a crash test lab uses a car crash test system to simulate a traffic accident, to obtain the safety parameters of an eco-friendly cutting edge electric vehicle being developed.
00:12
Tilt up close up shot of female biomedical scientist in goggles and face mask putting test tubes with blood samples from patients tested positive for covid-19 in rack
00:06
The concept of IVF or In Vitro Fertilization. Fertilization outside the body, or test tube baby, as a medical technology that combines eggs and sperm in a laboratory.
00:05
Hand in glove holds a jar with urine analysis where mark a positive test for doping or drug
00:16
doctor writing blood test results on the patients form
00:17
Scientist holding test strip and checking result
00:14
An African American man and a young woman collaborate in a printing house standing beside a whirring printer pointing at a test sheet and discussing color calibration ink
00:10
Stunt driver performing car crash test safety experiment
00:05
Closeup shot of a nurse using a syringe to do a tuberculin test
00:07
scientist take test tube
00:10
Doctor performing nasal swab covid test on an elderly woman. High quality 4k footage
00:09
Lab assistant in gloves putting blood test tubes in rack or holder close up
00:10
automatic hematology analyzer with glass test tubes with blood
00:12
A close-up dolly shot of a student filling in the little bubble circles of a test paper.
00:38
Blood test taking of a young patient man of a young woman doctor in a modern clinic room , assistant are behind of the doctor.
00:24
Stress, depression and student writing in classroom at high school, learning and education burnout. Tired, frustrated and teenager boy take test exam at desk in class, anxiety or fail while studying
00:10
Conceptual 4K video of a doctor holding and looking at a test tube while testing samples for presence of coronavirus (COVID-19).
00:10
Scientists wearing lab coats and gloves are analyzing blood test tubes and taking notes in a laboratory
00:19
Drunk male driver passing alcohol test blowing in breath analyzer police control
00:12
The blood analysis. Analysis to identify the HIV virus.
00:13
Female and male engineers in experimental crash test laboratory watching process of traffic accident simulation, to get safety parameters of a new electro eco-friendly car body using computer system.
00:12
Serious young female doctor in medical uniform consulting elderly male patient, showing lab test results on computer screen at checkup visit in hospital. Focused old man listening to cardiologist.
00:09
A person brings vision glasses to his eyes. Moving from out of focus to focus. View of the First person view on the vision test table.
00:06
scientist hand putting test tubes ampoules bottles in pcr machine Spbas. dna test, molecular biology technology. concept examining, diagnostics, pharmaceutical laboratory
00:17
closeup of doctor holding test tube of blood
00:20
Patient with diabetes using a blood glucose meter. Viewing 30‑day blood glucose test results stored in memory of glucometer. Blood sugar levels from high to normal after insulin therapy.
00:16
Dynamic digital speed test interface displaying fluctuating download and upload speeds, showcasing real-time data metrics and vibrant graphical elements
00:10
4K Close up of pencil being used on a multiple choice test paper
00:33
Tilting down slowly to a Covid 19 positive antigen test on a wooden table 23.98 fps
00:10
Woman face, blue eyes and vision focus, thinking idea and contact lenses to see, eyesight and awareness. Closeup macro on face, eyeball and optometry test stare with awake perception of human anatomy
00:11
Scientist’s hand in blue nitrile glove holding a transparent test tube with liquid – close-up in laboratory environment, concept of medical research, analysis, or biotechnology
00:05
Streaming countdown TV test card signal pattern animation. Television Color Test seamless looping
00:14
Process of express fast coronavirus covid Antigen AG PCR testing examination at home, COVID-19 swab collection kit, test tube for taking OP NP patient specimen sample, testing carried out
00:06
after the test, the doctor puts the blood tests in a pallet
00:06
An old retro vintage tv test pattern (appearing on air in case of technical difficulties), with a heavy glitch effect.
00:18
students with notebooks writing test at school
00:13
Scientist mixes chemicals in laboratory and holds test tube with orange liquid
00:15
A vintage television screen displays colorful test pattern bars
00:11
Gloved hand using pipette in laboratory with test tubes filled with red liquid for diabetes research concept
00:05
4k video no signal test pattern on TV screen; colorful flickering. Perfect for media, broadcasting, technology, communication, or entertainment industry projects.
00:10
An engineer in a crash test lab uses a car crash test system to simulate a traffic accident, to obtain the safety parameters of an eco-friendly cutting edge electric vehicle being developed.
00:13
School girl writing in book in classroom, student learning for education at table and studying for exam in notebook in class. Children doing exam on paper, creative test at desk and focus on study
00:07
Bright RGB color changing animated background for screen test
00:12
Ink Rorschach test
00:11
The pens of a polygraph machine record on a printout the results of a deception detection test.
00:25