Reviews Oxygen Concentration Measurement

LaMotte 1749 Salt/TDS/Temperature TRACER PockeTester, 1.6' W x 7.4' L x 1.6' H

LED display panel, red light indicates salt concentration, green light indicates power..
Sensitive response, high measurement accuracy, compact and portable, easy to operate..
Salinity meter, can be specially used to determine the salt concentration in liquid or food..
Place the probe above the liquid surface for at least 2 seconds, then the result will appear..
Adopt ABS shell, copper testing top, corrosion resistance and long service life..

Standard solution for chemical oxygen demand (COD) accuracy testing, 1,000 milligram per liter concentration.
Contains 200mL of solution in a plastic bottle.

BRIX digital display with dual scale, which can measure both the concentration of coffee and the sugar degree of coffee (BRIX).
The resolution of the digital coffee concentration meter is 0.01%, the measurement is more accurate..
Brix can also measure the value of fruit sugar, milk tea, drinks, food, etc. With it, can make sure your food tastes better and your diet is healthy..
The induction tank is not easy to leakage, can be operated by one hand and with IP65 protection, can directly wash the induction tank with water..
Suitable for home use and coffee shop to test the coffee concentration and sugar level to ensure making a delicious coffee..

GY- MAX30102 Heart Rate Pulse Oxygen Concentration Sensor Module.
Tiny 14mm x 14mm (0.55in x 0.55in) Board Size.
The chip can also turn off the module by software, and the standby current is close to zero, so that the power supply can always be maintained..
The standard I2C compatible communication interface can transmit the collected data to A-rduino, KL25Z and other microcontrollers for heart rate and blood oxygen calculation..

【Matching Products】 2091 p100 filter retainer used with 6000/7000/ FF-400 series Retainer, can not be used alone. Please confirm this is the model....
【Material】High Electrostatic Filter Material, Non-woven fabric, Meltblown fabric, hot air cotton.as at least a 95% filtration....
【Warm Attention】 The product cannot produce oxygen, please do not use it when the oxygen concentration is lower than 19.5%..
【Replacement time】When the filter cotton is dirty, damaged, and the breathing resistance increases significantly, please replace the filter....
【 Good Service】We always provide satisfactory after-sales service at the first time,Please don’t hesitate to contact us when you have any....

Smart Watch for Women with Text and Call, Fitness Tracker, Exercise Record, Sleep Monitor, Heart Rate, Blood Oxygen.
Phone Smart Watch Answer/Make Calls, Fitness Watch with AI Control Call/Text, Android Smart Watch for iPhone Compatible, Full Touch Smartwatch for Women Men, Heart Rate/Sleep Monitor Watch..
Major function:1.8-inch large screen display, Bluetooth calling, full-screen touch, high-definition fonts, rotary keys,Exercise record (step counting, distance, calorie calculation), exercise mode, message push, information storage, sleep monitoring, heart rate measurement, stopwatch, photo control, music playback, full-character language, true blood oxygen measurement..
Appearance size Body: plastic + zinc alloy.
Wristband size:Total length 255MM, adjustable length 155-235MM..

【Matching Products】 2091 p100 filter retainer used with 6000/7000/ FF-400 series Retainer, can not be used alone. Please confirm this is the model....
【Material】High Electrostatic Filter Material, Non-woven fabric, Meltblown fabric, hot air cotton.as at least a 99.97% filtration....
【Warm Attention】 The product cannot produce oxygen, please do not use it when the oxygen concentration is lower than 19.5%..
【Replacement time】When the filter cotton is dirty, damaged, and the breathing resistance increases significantly, please replace the filter....
【 Good Service】We always provide satisfactory after-sales service at the first time,Please don’t hesitate to contact us when you have any....

Electrochemical sensor: This stable fuel cell/electrochemical sensor is a fast and stable alcohol concentration measurement technology..
Blowing detection: high sensitivity, high precision, fast response, accurate alcohol measurement.
Start and test anytime, anywhere: more sensitive, more accurate, long life, no need to restart, more stable.
Introduction of use: ① start initialization, ② start air test, display data after, ③ 5-6 seconds (continuous test according to power supply).
If you have any questions or questions, please feel free to contact us, we will reply you within 24 hours.

... which is convenient and fast. This oxygen level monitor are very light and small size, low power consumption and convenient in carrying. Also it comes with a detachable lanyard which can measure your oxygen saturation anywhere..
【Easy to Use】This finger oximeter designed with One button control which makes measurement more convenient and easier. Users just need to put one of his fingers into the fingertip photoelectric sensor for diagnosis, then the screen will directly show the result clearly. The oxygen level monitor automatically powers off after 10 seconds of inactivity, making the experience safer and more environmentally friendly..
【Accurate and Reliable】Our oxygen blood monitor can accurately determine your SpO2 (blood oxygen saturation levels) in 10 seconds and large LED display make this finger oxygen monitors very easy to read..
【Sport/Health Enthusiasts】For sports enthusiasts like mountain climbers, skiers, bikers or anyone interested in measuring their SpO2 and pulse rate. SpO2 and Pulse Rate now faces instead of away from the user for an easy read. Note: This o2 saturation monitor is not designed for newborns..