Reviews Low Oxygen Level Alarm

BW Technologies XT-XWHM-Y-NA GasAlertMax XT II 4-Gas Detector with Pump, Combustible, O2, H2S and CO, Yellow

  • Four-gas detector for surveying levels of H2S, oxygen (O2), carbon monoxide (CO), and combustibles in natural and industrial environments, and in other personal safety, training, research, and ambient air monitoring applications.
  • Electrochemical cell sensor measures H2S and carbon monoxide levels in ppm, capillary-pore fuel cell measures oxygen in percent by volume, and catalytic bead combustible sensor measures explosive gases in percent LEL.
  • Audio, visual, and vibration alarms alert simultaneously when ambient H2S, oxygen, carbon monoxide, and combustible gases reach preset low, high, TWA, or STEL levels.
  • LCD screen shows up to four ambient gas concentrations, battery level, alarm condition, and the status of calibration, bump, and sensor self-tests.
  • Integrated diaphragm pump allows for localized sampling of the atmosphere for more precise readings than those generated through diffusion.
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EMAY Sleep Oxygen Monitor with PC Software & App | Bluetooth Pulse Oximeter Rechargeable for Overnight & Continuous SpO2 Tracking with 72 Hours Built-in Memory | Gives Informative Report & Analysis

  • Support Two Modes: 1. Spot Check-003e Read your oxygen level in real time whenever needed without recording data 2. Continuous Tracking -003e Record data second by second over time for later analysis and report..
  • Stand-alone oxygen monitor with 72 hours built-in memory that you don’t need a smartphone to make it work. Wear it to sleep and take it off to sync in the morning. Settings (alarm threshold, mode switch, memory clearance) can be done on the device itself without connecting to app..
  • Audio alarm to wake you up once your oxygen or heart rate drops below threshold.
  • Free PC Software & iOS/Android App : 1. Download and review your historical data second by second 2. Export the granular data as CSV file for sharing & analysis 3. Generate professional oxygen report with crucial information such as oxygen & HR trends over time, ODI data to share with your physician.
  • Rechargeable design, lightweight, no aaa batteries..
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Finger Pulse Oximeter for Children,O2 Monitor Finger for Oxygen, Portable Blood Oxygen Saturation Monitor for Heart Rate and SpO2 Level, Blue(not for Newborn/Infant)

  • ... 6-8 seconds. Include 2X AAA BATTERIES that you can use the pulse oxiright out of the box, a Carrying Case to protect the finger oximeter from damage and dirt, a LANYARD for convenience..
  • 【ACCURATE 】The fingertip pulse oximeter deviates less than 1% under lab conditions. Upgrade LED and sensor allows SpO2 (Blood Oxygen Saturation level) and pulse rate measurement at low blood perfusion index. Plethysmograph and Perfusion Index can help you to judge whether your measured SpO2 and Pulse Rate is properly..
  • 【RELIABLE】From the ABS shell, OLED screen, acrylic panel, high-speed computing chips , anti-skip silicone inside, medical-grade silicone finger mold and various electronic components of oxygen finger monitor, all adopt high-quality materials and components. Even the spring of the oximeter finger has been subjected to thousands of tests. We will never use any cheap material to make oxygen monitor..
  • note: 1 make sure nails are kept short and nail polish free. 2. Make sure the finger cavity is clean before use. Keep your fingers and body as still as possible when reading. Any movement will affect the accuracy of the reading. If your hands are cold, warm your hands and fingers before reading..
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Pulse oximeter fingertip, Portable Blood Oxygen Saturation Monitor for Heart Rate and SpO2 Level, O2 Monitor Finger for Oxygen,Pulse Ox,Oxi Include Carrying case,Lanyard and Batteries, Grey-White

  • 【RELIABLE】From the ABS shell, OLED screen, acrylic panel, high-speed computing chips , anti-skip silicone inside, medical-grade silicone finger mold and various electronic components of oxygen finger monitor, all adopt high-quality materials and components. Even the spring of the oximeter finger has been subjected to thousands of tests. We will never use any cheap material to make oxygen monitor..
  • 【ACCURATE】 The fingertip pulse oximeter deviates less than 1% under lab conditions. Upgrade LED and sensor allows SpO2 (Blood Oxygen Saturation level) and pulse rate measurement at low blood perfusion index. Plethysmograph and Perfusion Index can help you to judge whether your measured SpO2 and Pulse Rate is properly..
  • 【Easy to use】Alarm function-Auditory alarm to warn you when your SpO2 and Pulse Rate are beyond set limits. The pulse oximeter fingertip automatically turns off 6-8 seconds. Include 2X AAA BATTERIES that you can use the pulse oximeter right out of the box, a Carrying Case to protect the finger oximeter from damage and dirt, a LANYARD for convenience..
  • 【Bright OLED Screen】The large Dual-Color OLED screen is large and bright, you can read SpO2 and pulse rate clearly even in strong sunlight. The finger oximeter designed for sports o....
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Upgraded 2 in 1 Door Stop Alarm, Portable Door Stopper Security Door Wedge Intruder Alert Floor Door Stop Alarm with 120DB Siren for Home & Travel

  • ...t homeowner or renter, helps deter intruder and possibly notifies neighbors,security protection. Can be used in home and travel..
  • 【NON-SKID DOOR STOPPER】the door stopper alarm in "off" status,Its high damping rubber bearing can prevent the door sliding,keep the door in open position,no any loud alarm sound..
  • 【3 Level of Sensitivities】Hige-Midium- Low Sensitivities, with an adjustable sensitivity switch on the side. The level of "H" is the most sensitive level and the level of "L" is the low sensitive level. It means to replace the new battery if the alarm sound gradually becomes smaller..
  • 【EASY TO USE】No installation required and no wiring needed. Power by battery (Requires 1x9V battery,not included). Simply place the alarm behind any door (home, hotel, etc). It is very covenient to carry and easy to use when you travel or stay indoor alone..
  • 【PORTABLE DOOR STOPPER ALARM】Package include 1 * door alarms, weight about 120g. Easy to carry and use. Alarm loud 120db to protect you. Suitable for home or travel. Great choice for bedrooms, hotels, apartments, dorm rooms, front doors, etc. Peace of mind when traveling or living/working alone..
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Door Stop Alarm, Upgraded 2 in 1 Portable Door Stopper Security Door Wedge Intruder Alert Floor Door Stop Alarm with 120DB Siren for Home & Travel

  • ...alert homeowner or renter, helps deter intruder and possibly notifies neighbors,security protection. Can be used in home and travel..
  • NON-SKID DOOR STOPPER – the door stopper alarm in "off" status,Its high damping rubber bearing can prevent the door sliding,keep the door in open position,no any loud alarm sound..
  • 3 Level of Sensitivities : Hige-Midium- Low Sensitivities, with an adjustable sensitivity switch on the side. The level of "H" is the most sensitive level and the level of "L" is the low sensitive level. It means to replace the new battery if the alarm sound gradually becomes smaller..
  • EASY TO USE - No installation required and no wiring needed. Power by battery (Requires 1x9V battery,not included). Simply place the alarm behind any door (home, hotel, etc). It is very covenient to carry and easy to use when you travel or stay indoor alone..
  • PORTABLE DOOR STOPPER ALARM – Package include 1 * door alarms, weight about 120g. Easy to carry and use. Alarm loud 120db to protect you. Suitable for home or travel. Great choice for bedrooms, hotels, apartments, dorm rooms, front doors, etc. Peace of mind when traveling or living/working alone..
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Feixi Door Stop Alarm, Upgraded 2 in 1 Portable Door Stopper Floor Door Stop Alarm Security Door Wedge Intruder Alert with 120DB Siren for Home & Travel

  • ...keep the door in open position,no any loud alarm sound..
  • EASY TO USE - No installation required and no wiring needed. Power by battery (Requires 1x9V battery,not included). Simply place the alarm behind any door (home, hotel, etc). It is very covenient to carry and easy to use when you travel or stay indoor alone..
  • 3 Level of Sensitivities : Hige-Midium- Low Sensitivities, with an adjustable sensitivity switch on the side. The level of "H" is the most sensitive level and the level of "L" is the low sensitive level. It means to replace the new battery if the alarm sound gradually becomes smaller..
  • PORTABLE DOOR STOPPER ALARM – Package include 1 “HEWUQI”door alarms, weight about 120g. Easy to carry and use. Alarm loud 120db to protect you. Suitable for home or travel. Great choice for bedrooms, hotels, apartments, dorm rooms, front doors, etc. Peace of mind when traveling or living/working alone..
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Vibeat OxyRing Oxygen Monitor - Continuous Oxygen Meter Finger Pulse Oximeter with Real-time Reminder & Free Report, Wearable Bluetooth Ring O2 Monitor, Recording Oxygen Level & Heart Rate

  • All Day Continuous Recording -- It can be used to do continuous tracking of blood oxygen level, heart rate and body motion for up to 12-16 hours after fully charged. The patented soft silicon ring sensor is light, convenient and portable for all day use. ( The perimeter of the OxyRing is 2.0"-3.2"/ 50-82mm.).
  • Real-time Reminder -- If the blood oxygen saturation level is lower than the preset threshold and heart rate is lower or higher than the preset threshold, the device will vibrate, and the APP will beep to notify you. Easily adjust the alarm threshold and intensity on the APP..
  • Detailed APP Report -- Free APP provides graphic records for trends of oxygen level, heart rate and body motion. Unlimited sharing of PDF, CSV and Binary records, including O2 score, Max/Min/Avg O2 & PR. Integrate with Apple Health..
  • Easy To Use -- The OxyRing O2 meter runs automatically when you wear it, auto display off and easily check your blood oxygen readings again by raising your hand. The brightness of the screen can be adjusted through the APP..
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Wellue Pulse Oximeter Fingertip POD-2 Blood Oxygen Saturation SpO2 Monitor & Pulse Rate Monitor| O2 Meter with Batteries

  • ACCURATE AND RELIABLE: Accurately determine your SPO2, pulse rate, perfusion index and pulse strengrh in 8 seconds and display it conveniently on a....
  • ABNORMAL VAULE WARNING FUNCTION: The screen flashes to warn of abnormal blood oxygen level and pulse rate. The SPO2 alarm threshold is 90%. The....
  • EASY TO READ: Two-color highlight OLED screen displays clear readings..
  • EASY TO USE: One-button operation for easy use. Automatic power off. Low battery indicator..
  • WHAT YOU GET: A smart fingertip oximeter. 2 free AAA batteries. The after-sales team will serve you..
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FINDER 90.26 Relay Socket, 250V, 10A, DIN Rail

  • Output can be directly connected to microcontroller, through single chip microcomputer to detect the high and low level, thus to detect whether there is a vibration environment, call the police..
  • This module is compared with the normally open type vibration sensor module, vibration trigger for longer periods of time, can drive the relay module..
  • Product vibration, the vibration switch instantaneous disconnection, output the output high level, the green light is not bright.
  • Product no vibration, vibration switch is closed on state, the output terminal output low level, the green light is lit.
  • Used to trigger the effect of various vibration, theft alarm, intelligent car, earthquake alarm, motorcycle alarm, etc.
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High/Low Water Level Sensor Detector Alarm 120 dB Red Strobe Siren, Adjustable Alarm Volume, Sump Bobber Water Leak Sensor,16.4ft Probe Cord, Suitable for Water Tank/Aquarium, Swimming Pool/Basement

  • 【SHIP FROM U.S.】【Dual Bobber Probes Sensor Design】- It can detect water shortage or overflow. You can choose to use one or both functions according to your needs. The overflow probe is placed above the water level. When the water level rises to the detection position, the float will rise and trigger the magnetic induction, thus triggering the alarm. Instead, the water shortage probe is always placed in the underwater position, which triggers an alarm when the water level drops below the float..
  • 【120 dB with Red Light Strobe Alarm - Volume Adjustable】- The volume of the water alarm can be adjusted according to the installation distance, and the alarm can also be used as a home safety alarm. You can DIY yourself, the alarm will be triggered when the two wires on the probe are shorted..
  • 【Extendable Detection Line】- The detection line of this water detector can be extended to 164ft to meet the needs of your family. Please use good quality copper core extension wire..
  • 【Low Power Design】- 9V replaceable battery power supply, standby for more than 1 year. When the battery power is low, the water sensor sound will become small or there is no alarm sound. Please replace the battery at this time..
  • 【Wide Range of Uses】- This dual probe water....
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Handheld Carbon Monoxide Meter, Portable CO Gas Detector, Gas Tester with 0～1000ppm Range, 1PPM Resolution(Battery NOT Included)

  • ...stance and stability, with a low power consumption and high precision..
  • HANDHELD SIZE: The CO gas meter is compact and lightweight, professional designed to fit comfortable in your palm，easy to carry and operate..
  • WIDELY APPLICABLE: The Gas detectors can be used to detect combustible, flammable and toxic gases, and oxygen depletion, etc. This type of device is widely used in industry and can be found in locations, such as on oil rigs, to monitor manufacture processes and emerging technologies such as photovoltaic. They may also be used in firefighting..
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EMAY Children Pulse Oximeter (Not for Newborn/Infant) | Blood Oxygen Saturation Monitor with Heart Rate Tracking for Kids

  • Special design for children (age 3 and up) with cozy finger chamber & adorable pattern.
  • Enhanced sensitivity & accuracy to read kid's blood oxygen saturation level, pulse rate and perfusion index.
  • Alarm beeps when oxygen or heart rate number drops below threshold..
  • Please stay still as much as possible and avoid direct sunlight during the measurement, otherwise it will cause inaccurate or inconsistent readings..
  • For sport and aviation use only, not for medical use..
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