Is there a way to recalibrate this after 999 uses?

Tanita guarantees the sensor for 999 readings, after that the sensor is less sensitive, there is no option to recalibrate the sensors. Thank You

Does it show the number of uses? How do you know if you’re past the 999 uses limit?

The unit will still work after 999 uses. The sensors sensitivity is highest 1-999 after that it will slowly degrade and not be as accurate. Tanita sets its life at 999 uses.

I don't know, I've had 3 and never cleaned them. But honestly? Start using Smartmouth mouthwash and you'll never have to worry about bad breath.

This is made by Tanita a Japanese at their China factory. Japanese technology and development.

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Tanita HC-312 Portable Breath Checker - Smart Odor Detector - Digital Halitosis Monitor - Japan Technology - Semi-Conductor Gas Sensor - Pocket Size Oral Hygiene Device

Product ID: 66864367

Details

Battery Description
Alkaline
Brand
TANITA
Color
White
Compatible Devices
Smartphones
EU Spare Part Availability Duration
3 years
Item Weight
2.6 ounces

📏Compact 4.7" pocket-sized design

🔋Up to 1,000 readings on 2 AAA batteries

⏱️Instant 6-level breath odor detection

Description

👃 Stay fresh, stay confident — your breath’s best-kept secret!

LONG LASTING BATTERY LIFE - Up to 1,000 uses powered by included AAA batteries for hassle-free freshness.
ULTRA PORTABLE LIGHTWEIGHT - Sleek 2.6 oz design fits discreetly in your pocket or bag.
CLEAR 6 LEVEL DIGITAL DISPLAY - Color-coded results from fresh to strong for confident, on-the-go checks.
FAST ACCURATE BREATH ANALYSIS - Detects volatile sulfur compounds in seconds with advanced Japan tech.
PRECISION SEMI CONDUCTOR SENSOR - Minimizes interference from food or drink odors for reliable readings.

The Tanita HC-312 Portable Breath Checker leverages cutting-edge Japanese semi-conductor gas sensor technology to instantly detect and measure bad breath-causing compounds. Its compact, pocket-sized design and intuitive 6-level color display make it perfect for professionals on the move, delivering up to 1,000 accurate readings powered by two AAA batteries. Ideal for maintaining fresh breath before meetings, dates, or social events.

Specifications

ASIN	B073K25HYS
Battery Description	Alkaline
Best Sellers Rank	#252,910 in Health & Household ( See Top 100 in Health & Household ) #110 in Home Alcohol Tests
Brand	TANITA
Brand Name	TANITA
Color	White
Compatible Devices	Smartphones
Customer Reviews	3.5 out of 5 stars 180 Reviews
Display Size	1 inches
EU Spare Part Availability Duration	3 years
Included Components	Breath Checker
Item Dimensions L x W x H	1.5"L x 0.8"W x 4.7"H
Item Weight	2.6 ounces
Manufacturer	TANITA
Manufacturer Part Number	HC-312F
Material	Plastic
Material Type	Plastic
Model Number	HC-312
Number of Items	1
Number of Packs	1
Product Dimensions	1.5"L x 0.8"W x 4.7"H
Screen Size	1 inches
Sensor Type	Semi-Conductor gas
Size	1 Count (Pack of 1)
Software Update Supported to Date	unknown
UPC	742496531209
Unit Count	1 Count
Warranty Description	1 Yeah Manufacturer

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