JC-224 - Breathalyzer Joycare - Free user manual and instructions
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| Product Type | Breathalyzer |
| Brand | Joycare |
| Model | JC-224 |
| Dimensions (Approx.) | 100 x 50 x 20 mm |
| Weight (Approx.) | 50 g (without batteries) |
| Power Supply | 2 x AAA batteries (not included) |
| Sensor Type | Semiconductor alcohol sensor |
| Measurement Range | 0.00 to 0.40% BAC (Blood Alcohol Concentration) |
| Accuracy | ±0.01% BAC at 0.05% BAC |
| Warm-up Time | Less than 10 seconds |
| Response Time | Approximately 5 seconds |
| Auto Power Off | After 30 seconds of inactivity |
| Display | 3-digit LCD |
| Units | % BAC (Blood Alcohol Concentration) |
| Mouthpiece | Replaceable, disposable (10 included) |
| Operating Temperature | 10°C to 40°C (50°F to 104°F) |
| Cleaning | Wipe exterior with a soft, dry cloth. Do not use liquids. |
| Safety Warnings | Not for medical or legal use. Do not use while driving. |
| Spare Parts Available | Replacement mouthpieces (sold separately) |
| Certification | CE, RoHS |
Frequently Asked Questions - JC-224 Joycare
How do I use the Joycare JC-224 breathalyzer?
Insert two AAA batteries, attach a clean mouthpiece, press the power button, wait for the display to show '0.00', then blow steadily for about 5 seconds. The result will appear on the LCD.
How accurate is the JC-224?
The JC-224 has an accuracy of ±0.01% BAC at 0.05% BAC. It uses a semiconductor sensor for reliable readings. For best results, wait at least 20 minutes after drinking before testing.
How do I calibrate the device?
The JC-224 is factory calibrated and does not require user calibration. If you suspect inaccuracies, contact Joycare support or consider purchasing a new unit.
What type of batteries does it use?
It requires two AAA alkaline batteries. Do not use rechargeable batteries as they may provide unstable voltage.
How do I clean the breathalyzer?
Wipe the exterior with a soft, dry cloth. Do not use water, alcohol, or cleaning agents. The mouthpiece is disposable; replace after each use.
Can I reuse the mouthpieces?
No, mouthpieces are for single use only to ensure hygiene and accurate results. Replace them before each test.
Why does the device show 'Err' or 'Lo'?
'Lo' indicates low battery; replace the batteries. 'Err' may appear if you blow too hard or not enough, or if the sensor is blocked. Wait a few minutes and try again with a fresh mouthpiece.
Is the JC-224 suitable for professional use?
No, it is designed for personal use only. It is not certified for medical or legal purposes. Always follow local laws regarding alcohol consumption.
How long does the sensor last?
The semiconductor sensor typically lasts for about 200-300 tests. After that, accuracy may degrade. Consider replacing the unit if readings become inconsistent.
Where can I download the user manual?
You can download the manual for free from the product page on notice-facile.com or the official Joycare website. It is available in multiple languages.
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Download the instructions for your Breathalyzer in PDF format for free! Find your manual JC-224 - Joycare and take your electronic device back in hand. On this page are published all the documents necessary for the use of your device. JC-224 by Joycare.
USER MANUAL JC-224 Joycare
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Product information
Brand : Joycare
Model : JC-224
Category : Breathalyzer