Jastek - Buying Guide

Bestselling from Jastek on Amazon

1. Ketone Breath Analyzer Professional Rechargeable Ketone Breath Meter Digital Ketosis Breath Tester w...
2. JASTEK Portable Breathalyzer Tester, Professional-Grade Home Breathalyzer Digital Alcohol Tester wit...
3. Breath Ketone Analyzer Professional-Grade Ketone Breath Meter Digital Ketosis Breath Tester for Keto...
4. JASTEK Portable Breathalyzer Tester with 1000mAh Rechargeable Battery, Personal Breathalyzer to Test...
5. JASTEK 30 Pieces Professional Breathalyzer Mouthpieces only for The JS094, JS079, JA067, JS069 Digit...
6. Keto Breath Analyzer Portable Grade Accuracy Digital Ketone Breath Meter for Ketogenic Diet Testing ...
7. JASTEK Breathalyzer, Professional-Grade Accuracy Rechargeable Portable Digital Alcohol Breathalyzer ...
8. Ketone Breath Meter Breath Ketone Analyzer with New Technology Semi-Conductor Sensor for Testing Ketosis
9. Ketosis Meter Analyzer Portable Digital Breath Ketone Meter Ketone Breath Breathalyzer Tracing Keton...
10. JASTEK 30 Pieces Professional Breathalyzer Mouthpieces

Features

• The ketosis breath analyzer needs to be exhausted before your first use. To do this, turn on the Ketone Breath Meter, wait for the 30 seconds countdown to be completed, and turn it off. Repeat the same procedure 1-2 times (without blowing) before you proceed to your first test. During testing, please blow for 5-6 seconds immediately once "START" showing then Ketone Breath analyzer will start analyzing your breath, the result readings will be visible for 10 seconds
• This ketone Breath meter is an easy-using and self-monitoring device for individuals following on a keto life. Ketone breath tester saves you from finger pricks, and the device can be used repeatedly by replacing the mouthpiece, which saves your money for testing from continiously buying strips, also more convenient because you only need to breathe with the monitor for 5 seconds
• Breath ketosis meter measures 6 levels of ketones, up to 99 PPM (0.0 -99), using a PPM (Part Per Million) measurement. 4 LCD Display colors for indications: 0.0-1.9 reading with WHITE light, 2.0-39 readings with GREEN, 40-59 readings with YELLOW and over 60 readings with RED light. This ketone analyzer is with 64 memory records for ketosis records tracking, and this device is also with rechargeable lithium battery 1000mAh, which could be used over 500 times or 3 months when fully charged
• Ketosis breath meter detects your breath acetone from 0 to 99 PPM and follow 6 level guidance: 0.0-1.9ppm (No ketosis), 2.0-3.9ppm (Early Stage Ketosis), 4.0-9.9ppm (Light Ketosis), 10-39ppm (Stable Fat Burning Zone), 40-59ppm (Caution-High Ketosis), 60-99ppm (Ketoacidosis); Ketosis breath analyzer is a better measure of what your body is actually using for fuel because acetone in our breath is an actual byproduct of fat burning, and 80% of fat that we burn leaves the body through the lungs
• Ketone breath meter is guaranteed with 12 months, if you are not satisfied for any reason, we offer money back for 30 days after purchase, or we will replace you with brand new product at no charge, if you meet any problem during operation with our keto test devices, please contact our service team, and please check to make sure that all parts and components are included in the package. If any part is missing, please contact the retailer
• See more on Amazon...

Features

• Portable breathalyzer tester has 3 unique features. Firstly, it allows users to adjust the breathalyzer test rating with 6 common-used units, including %BAC-US, g/l-EU, mg/L-JP, mg/100ml-CN, BAC-RU, prom-PL. Secondly, users can set caution and alarming values according to their personal needs. Lastly, the personal breathalyzer can store up to 32 recent testing records for easy checking. The testing results range from 0.000-0.190 BAC / 0.000-0.950 mg / L with this alcohol breathalyzer tester.
• The portable breathalyzer tester is easy to use. To start the professional breathalyzer alcohol tester, simply press the power button for 2 seconds. Wait for 20 seconds for warming-up, then blow with the home breathalyzer for 5-6 seconds. The result will be ready after 3 seconds and displayed on the LCD screen for 15 seconds.
• The portable Breathalyzer features a smart alarm function and energy-saving design. When the test result is higher than 0.05% BAC / 0.5 BAC, the red light of the digital breathalyzer flashes and emits a continuous drop sound to remind the user. The home breathalyzer is powered by 3AAA alkaline batteries (not included) and will auto power-off to save power after finishing the test for 5 seconds. It also has a low voltage indication.
• Note that for accurate test results, it is recommended to wait 20 minutes after drinking alcohol before using the portable breathalyzer. Also, wait for another 3 minutes before starting the next test to get a precise alcohol testing result.
• With the JASTEK professional breathalyzer alcohol tester, you will receive one portable breathalyzer, one user manual, 10 mouthpieces, and one carrying string. The device is designed to provide the most accurate and convenient alcohol test. If you are not satisfied or encounter any quality problems, please contact the customer service for assistance.
• See more on Amazon...

Features

• This ketone Breath meter is an easy-using and self-monitoring device for individuals following on a keto life. Breath ketosis meter saves you from finger pricks, and the device can be used repeatedly by replacing the mouthpiece, which saves your money for testing from continiously buying strips, also more convenient because you only need to breathe with the monitor for 5 seconds
• Ketone breath analyzer detects your breath acetone from 0 to 99 PPM and follow 6 level guidance: 0.0-1.9ppm (No ketosis), 2.0-3.9ppm (Early Stage Ketosis), 4.0-9.9ppm (Light Ketosis), 10-39ppm (Stable Fat Burning Zone), 40-59ppm (Caution-High Ketosis), 60-99ppm (Ketoacidosis); Tracking breath acetone is a better measure of what your body is actually using for fuel because acetone in our breath is an actual byproduct of fat burning, and 80% of fat that we burn leaves the body through the lungs
• Cautions before measurement: Be cautious about factors that may affect your results because the device is with high sensitivity sensor and avoid brushing your teeth, smoking, drinking or eating foods 30minutes before taking the test for accurate results. In order to accurately analyze and track your testing readings, we strongly recommend testing your ketone levels under the same conditions each time right after waking up in the morning before consuming anything in fasting status!
• How Long Does It Take to Get Into Ketosis? You cannot simply jump into ketosis in a 24-hour timespan. Your body has been burning sugar for fuel your entire life. It will need time to adapt to burning ketones for fuel, this transition could take anywhere from 48 hours to one week. The length in time will vary depending upon your activity level, lifestyle, body type and carbohydrate intake; using the ketone meter to track your ketone content, and you just need to breathe with it
• Ketosis breath tester is guaranteed with 12 months, if you are not satisfied for any reason, we offer money back for 30 days after purchase, or we will replace you with brand new product at no charge, if you meet any problem during operation with our keto test devices, please contact our service team, and please check to make sure that all parts and components are included in the package. If any part is missing, please contact the retailer
• See more on Amazon...

Features

• Easy-to-use Portable Breathalyzer Tester - Just turn on the alcohol breathalyzer, insert the mouthpiece, wait 15 seconds to warm up, simply blow for 3-5 seconds and get an accurate reading, and your BAC results will be displayed on the bright LCD screen of the breathalyzer. Just remember to wait 20 minutes after drinking alcohol for the most accurate results.
• The Personal Breathalyzer Tester has 3 unique features - Firstly, it allows users to adjust the breathalyzer tester with 6 common-used units, including %BAC-US, g/l-EU, mg/L-JP, mg/100ml-CN, BAC-RU, prom-PL. Secondly, users can set caution and alarming values according to their personal needs. Lastly, the alcohol breathalyzer can store up to 64 recent testing records for easy checking. The testing results range from 0.000-0.190 BAC / 0.000-0.950 mg / L with this alcohol breathalyzer tester.
• Portable Breathalyzer Package includes - Breathalyzer Alcohol Tester x1, User manual x1, Mouthpieces x10, USB cable x1, Storage bag x1. Our breathalyzer alcohol tester provides the most accurate and convenient alcohol test, if you are not satisfied or have any quality problems, please feel free to contact us.
• Long Battery Life Home Breathalyzer - this breathalyzer has a powerful 1000 mAh rechargeable battery that can last for up to 3 months on a single charge. The power level can be monitored on the LED smart display, making it perfect for personal and professional use.
• Accurate and Reliable Results - Our portable breathalyzer utilizes advanced technology, including a high precision semiconductor alcohol sensor, to provide police-grade accuracy and dependable readings of blood alcohol content (BAC) with fast results in just 5 seconds. You can trust our professional breathalyzer to deliver consistent and reliable readings every time.
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Features

• JASTEK Mouthpieces small and portable
• 30 Mouthpieces Included
• The mouthpieces for use only with JASTEK JS0048 and JS052 breathalyzer
• Breathalyzer mouthpieces are easily removable, washable and reusable
• Perfect choice for testing multiple individuals
• See more on Amazon...

Features

• The ketosis breath monitor needs to be exhausted before your first use. To do this, turn on the Ketone Breath Meter, wait for the 30 seconds countdown to be completed, and turn it off. Repeat the same procedure 1-2 times (without blowing) before you proceed to your first test. During testing, please blow for 5-6 seconds immediately once "START" showing then Ketone Breath analyzer will start analyzing your breath, the result readings will be visible for 10 seconds
• This ketone breath analyzer is an easy-using and self-monitoring device for individuals following on a keto life. Keto breath meter saves you from finger pricks, and the device can be used repeatedly by replacing the mouthpiece, which saves your money for testing from continiously buying strips, also more convenient because you only need to breathe with the monitor for 5 seconds
• Breath ketosis meter measures 6 levels of ketones, up to 99 PPM (0.0 -99), using a PPM (Part Per Million) measurement. 4 LCD Display colors for indications: 0.0-1.9 reading with WHITE light, 2.0-39 readings with GREEN, 40-59 readings with YELLOW and over 60 readings with RED light. This ketone analyzer is with 64 memory records for ketosis records tracking, and this device is also with rechargeable lithium battery 1000mAh, which could be used over 500 times or 3 months when fully charged
• Breath ketone analyzer detects your breath acetone from 0 to 99 PPM and follow 6 level guidance: 0.0-1.9ppm (No ketosis), 2.0-3.9ppm (Early Stage Ketosis), 4.0-9.9ppm (Light Ketosis), 10-39ppm (Stable Fat Burning Zone), 40-59ppm (Caution-High Ketosis), 60-99ppm (Ketoacidosis); Tracking breath acetone is a better measure of what your body is actually using for fuel because acetone in our breath is an actual byproduct of fat burning, and 80% of fat that we burn leaves the body through the lungs
• Cautions before measurement: Be cautious about factors that may affect your results because the device is with high sensitivity sensor and avoid brushing your teeth, smoking, drinking or eating foods 30minutes before taking the test for accurate results. In order to accurately analyze and track your testing readings, we strongly recommend testing your ketone levels under the same conditions each time right after waking up in the morning before consuming anything in fasting status!
• See more on Amazon...

Features

• Upgrade version: This breathalyzer adopts the built-in lithium battery as the power supply( Built-in 1000 mAh lithium battery); when it is fully charged, it can be used 3 months; One 39.37in micro USB cable included for charging and 10 replacement mouthpieces included for whole family or friends usage
• Smart alarm functon&energy-saved design (BAC can be set by yourself) when the test result is higher than 0.05% BAC / 0.5 BAC (factory default setting), the red light of digital breathalyzer flashes and a continuous drop sound is emitted to remind the user
• Alcohol tester with 3 unique features: A) the breath aldohol tester rating is adjustable with 6 common-used units (%BAC-US, g/l-EU, mg/L-JP, mg/100ml-CN, BAC-RU, prom-PL); B) CAUTION and ALARMING values can be set by users based on your own need; C) up to 32 recent testing records for your checking; the testing results ranging from 0.000-0.190 BAC / 0.000-0.950 mg / L with this Portable breathalyzer
• Note: In order to make the test results accurately, please test with the alcohol breathalyzer 20 minutes later after drinking; please wait for another 3 minutes before starting the next test to get the precise testing result
• What you get: Breathalyzer *1, Mouthpieces *10, Caring bag*1, Micro USB Cable 39.37in (1 Meter), User manual *1. Our Alcohol tester provides the most accurate and convenient alcohol test, if you are not satisfied or have any quality problems, please feel free to contact us
• See more on Amazon...

Features

• Breath ketone meter detects your breath acetone from 0 to 99 PPM and follow 6 level guidance: 0.0-1.9ppm (No ketosis), 2.0-3.9ppm (Early Stage Ketosis), 4.0-9.9ppm (Light Ketosis), 10-39ppm (Stable Fat Burning Zone), 40-59ppm (Caution-High Ketosis), 60-99ppm (Ketoacidosis); Tracking breath acetone is a better measure of what your body is actually using for fuel because acetone in our breath is an actual byproduct of fat burning, and 80% of fat that we burn leaves the body through the lungs
• Cautions before measurement: Be cautious about factors that may affect your results because the device is with high sensitivity sensor and avoid brushing your teeth, smoking, drinking or eating foods 30minutes before taking the test for accurate results. In order to accurately analyze and track your testing readings, we strongly recommend testing your ketone levels under the same conditions each time right after waking up in the morning before consuming anything in fasting status!
• This ketone Breath meter is an easy-using and self-monitoring device for individuals following on a keto life. Breath ketosis meter saves you from finger pricks, and the device can be used repeatedly by replacing the mouthpiece, which saves your money for testing from continiously buying strips, also more convenient because you only need to breathe with the monitor for 5 seconds
• How Long Does It Take to Get Into Ketosis? You cannot simply jump into ketosis in a 24-hour timespan. Your body has been burning sugar for fuel your entire life. It will need time to adapt to burning ketones for fuel, this transition could take anywhere from 48 hours to one week. The length in time will vary depending upon your activity level, lifestyle, body type and carbohydrate intake; using the ketone meter to track your ketone content, and you just need to breathe with it
• Ketone breath meter is guaranteed with 12 months, if you are not satisfied for any reason, we offer money back for 30 days after purchase, or we will replace you with brand new product at no charge, if you meet any problem during operation with our keto test devices, please contact our service team, and please check to make sure that all parts and components are included in the package. If any part is missing, please contact the retailer
• See more on Amazon...

Features

• This ketone Breath meter is an easy-using and self-monitoring device for individuals following on a keto life. Breath ketosis meter saves you from finger pricks, and the device can be used repeatedly by replacing the mouthpiece, which saves your money for testing from continiously buying strips, also more convenient because you only need to breathe with the monitor for 5 seconds
• Ketone breath analyzer detects your breath acetone from 0 to 99 PPM and follow 6 level guidance: 0.0-1.9ppm (No ketosis), 2.0-3.9ppm (Early Stage Ketosis), 4.0-9.9ppm (Light Ketosis), 10-39ppm (Stable Fat Burning Zone), 40-59ppm (Caution-High Ketosis), 60-99ppm (Ketoacidosis); Tracking breath acetone is a better measure of what your body is actually using for fuel because acetone in our breath is an actual byproduct of fat burning, and 80% of fat that we burn leaves the body through the lungs
• Cautions before measurement: Be cautious about factors that may affect your results because the device is with high sensitivity sensor and avoid brushing your teeth, smoking, drinking or eating foods 30minutes before taking the test for accurate results. In order to accurately analyze and track your testing readings, we strongly recommend testing your ketone levels under the same conditions each time right after waking up in the morning before consuming anything in fasting status!
• How Long Does It Take to Get Into Ketosis? You cannot simply jump into ketosis in a 24-hour timespan. Your body has been burning sugar for fuel your entire life. It will need time to adapt to burning ketones for fuel, this transition could take anywhere from 48 hours to one week. The length in time will vary depending upon your activity level, lifestyle, body type and carbohydrate intake; using the ketone meter to track your ketone content, and you just need to breathe with it
• Ketosis breath tester is guaranteed with 12 months, if you are not satisfied for any reason, we offer money back for 30 days after purchase, or we will replace you with brand new product at no charge, if you meet any problem during operation with our keto test devices, please contact our service team, and please check to make sure that all parts and components are included in the package. If any part is missing, please contact the retailer
• See more on Amazon...

Features

• JASTEK Mouthpieces small and portable
• The mouthpieces for use only with JASTEK ET-7100 breathalyzer
• Breathalyzer mouthpieces are easily removable, washable and reusable
• Perfect choice for testing multiple individuals
• See more on Amazon...

Features

• Breath ketone meter detects your breath acetone from 0 to 99 PPM and follow 6 level guidance: 0.0-1.9ppm (No ketosis), 2.0-3.9ppm (Early Stage Ketosis), 4.0-9.9ppm (Light Ketosis), 10-39ppm (Stable Fat Burning Zone), 40-59ppm (Caution-High Ketosis), 60-99ppm (Ketoacidosis); Tracking breath acetone is a better measure of what your body is actually using for fuel because acetone in our breath is an actual byproduct of fat burning, and 80% of fat that we burn leaves the body through the lungs
• Cautions before measurement: Be cautious about factors that may affect your results because the device is with high sensitivity sensor and avoid brushing your teeth, smoking, drinking or eating foods 30minutes before taking the test for accurate results. In order to accurately analyze and track your testing readings, we strongly recommend testing your ketone levels under the same conditions each time right after waking up in the morning before consuming anything in fasting status!
• This ketone Breath meter is an easy-using and self-monitoring device for individuals following on a keto life. Breath ketosis meter saves you from finger pricks, and the device can be used repeatedly by replacing the mouthpiece, which saves your money for testing from continiously buying strips, also more convenient because you only need to breathe with the monitor for 5 seconds
• How Long Does It Take to Get Into Ketosis? You cannot simply jump into ketosis in a 24-hour timespan. Your body has been burning sugar for fuel your entire life. It will need time to adapt to burning ketones for fuel, this transition could take anywhere from 48 hours to one week. The length in time will vary depending upon your activity level, lifestyle, body type and carbohydrate intake; using the ketone meter to track your ketone content, and you just need to breathe with it
• Ketone breath meter is guaranteed with 12 months, if you are not satisfied for any reason, we offer money back for 30 days after purchase, or we will replace you with brand new product at no charge, if you meet any problem during operation with our keto test devices, please contact our service team, and please check to make sure that all parts and components are included in the package. If any part is missing, please contact the retailer
• See more on Amazon...

Features

• This ketone Breath meter is an easy-using and self-monitoring device for individuals following on a keto life. Breath ketosis meter saves you from finger pricks, and the device can be used repeatedly by replacing the mouthpiece, which saves your money for testing from continiously buying strips, also more convenient because you only need to breathe with the monitor for 5 seconds
• Ketone breath analyzer detects your breath acetone from 0 to 99 PPM and follow 6 level guidance: 0.0-1.9ppm (No ketosis), 2.0-3.9ppm (Early Stage Ketosis), 4.0-9.9ppm (Light Ketosis), 10-39ppm (Stable Fat Burning Zone), 40-59ppm (Caution-High Ketosis), 60-99ppm (Ketoacidosis); Tracking breath acetone is a better measure of what your body is actually using for fuel because acetone in our breath is an actual byproduct of fat burning, and 80% of fat that we burn leaves the body through the lungs
• Cautions before measurement: Be cautious about factors that may affect your results because the device is with high sensitivity sensor and avoid brushing your teeth, smoking, drinking or eating foods 30minutes before taking the test for accurate results. In order to accurately analyze and track your testing readings, we strongly recommend testing your ketone levels under the same conditions each time right after waking up in the morning before consuming anything in fasting status!
• How Long Does It Take to Get Into Ketosis? You cannot simply jump into ketosis in a 24-hour timespan. Your body has been burning sugar for fuel your entire life. It will need time to adapt to burning ketones for fuel, this transition could take anywhere from 48 hours to one week. The length in time will vary depending upon your activity level, lifestyle, body type and carbohydrate intake; using the ketone meter to track your ketone content, and you just need to breathe with it
• Ketosis breath tester is guaranteed with 12 months, if you are not satisfied for any reason, we offer money back for 30 days after purchase, or we will replace you with brand new product at no charge, if you meet any problem during operation with our keto test devices, please contact our service team, and please check to make sure that all parts and components are included in the package. If any part is missing, please contact the retailer
• See more on Amazon...