The MR BLACK 03 Alcohol Tester is a high-performance, portable breath alcohol tester designed for both professional and personal use. Built with a high-performance 32-bit embedded processor and a reliable imported electrochemical fuel cell sensor, it delivers fast, accurate, and stable alcohol concentration measurements.

With its compact gas circuit design, high-precision sampling system, and advanced algorithm, the Mr-Black-03 ensures professional-grade accuracy in a pocket-sized device. The entire testing process is simplified to a single-button operation, with an intuitive on-screen display guiding the user through the blowing process.

Key Features - MR BLACK 03 Alcohol Tester

Professional-Grade Sensor: Imported electrochemical fuel cell alcohol sensor for high reliability and accuracy.
Dual Test Modes: Quick checking and accurate checking modes for flexible testing scenarios.
Four International Units: Switch between %-US, g/L-EU, mg/L-JP, and mg/100ml-CN.
One-Key Operation: Complete the entire test with a single button press — intuitive and user-friendly.
Dual Detection: Supports both contact (with mouthpiece) and non-contact testing.
Data Storage: Automatically stores up to 10 test records for easy review.
Compact & Portable: Pocket-sized design (138mm × 68mm × 30mm) weighing only ~140g.
Rechargeable Battery: Built-in lithium battery with Android charging port for convenience.
Bilingual Interface: Switch between Chinese and English languages.
Certified Quality: Manufactured in strict accordance with GB/T 21254-2017 and JJG657-2006 standards.

Technical Specifications - MR BLACK 03 Alcohol Tester

Project	Indicators & Parameters
Alcohol Sensor Type	Electrochemical fuel cell alcohol sensor
Measurement Range	0 – 630 mg/100ml (breath alcohol concentration)
Resolution	0.1 mg/100ml
Display	128 × 160 color screen
Machine Size	~138mm (L) × 68mm (W) × 30mm (H)
Instrument Weight	~140g (including battery)
Battery	Rechargeable lithium battery
Charging Port	Android charging port
Operating Temperature	-5°C ~ 40°C
Storage Temperature	-20°C ~ 70°C
Blowing Continuity Detection	2.5 seconds (flow: ≥ 20L/min)
Calibration Cycle	6 months
Test Records	10 stored records
Detection Modes	Contact + Non-contact
Language Setting	Chinese / English
Test Units	%-US, g/L-EU, mg/L-JP, mg/100ml-CN

Accuracy & Repeatability

Indication Error

Alcohol Concentration Range (C)	Error
C < 0.400 mg/100ml	±0.020 mg/100ml
0.400 ≤ C < 1.000 mg/100ml	±5%
C ≥ 1.000 mg/100ml	±20%

Indication Repeatability

Alcohol Concentration Range (C)	Error
C < 0.400 mg/100ml	0.06 mg/100ml
0.400 ≤ C < 1.000 mg/100ml	0.06 mg/100ml
C ≥ 1.000 mg/100ml	6%

What's Included in MR BLACK 03 Alcohol Tester

1 × Mr-Black-03 Alcohol Tester
5 × Disposable Blowpipes (mouthpieces)
1 × USB Charging Cable (Android port)
1 × User Manual
1 × Carrying Case

Six Core Technologies

Imported Sensor — High-reliability electrochemical fuel cell sensor.
Quick Testing — Rapid response time for instant screening.
Multi-Person Continuous Test — Supports back-to-back testing for multiple users.
Instant Results — Real-time display with no waiting.
Data Automatic Storage — Saves the last 10 test records automatically.
Strong Battery Life — Rechargeable lithium battery for extended use.

Ideal Applications For MR BLACK 03 Alcohol Tester

Police & Law Enforcement
Fleet Management
Express & Logistics
Corporate & Industrial
Construction Sites
Coal Mining & Heavy Industry
Personal Use
Workplace Safety Compliance

Frequently Asked Questions

How accurate is the Mr-Black-03?

The device uses an imported electrochemical fuel cell sensor, the same technology used in professional law enforcement breathalyzers. It meets GB/T 21254-2017 and JJG657-2006 standards with a resolution of 0.1 mg/100ml.

What is the difference between Quick Checking and Accurate Checking modes?

Quick checking provides a rapid screening result, ideal for high-volume testing. Accurate checking performs a more thorough analysis for precise measurement, suitable for official or compliance testing.

Can I use the device without a mouthpiece?

Yes. The Mr-Black-03 supports both contact (with a mouthpiece) and non-contact testing modes, making it hygienic for multi-person use.

How many test results can the device store?

The device automatically stores up to 10 test records, which can be reviewed directly on the color screen.

What measurement units are available?

You can switch between four units: %-US, g/L-EU, mg/L-JP, and mg/100ml-CN.

How do I charge the device?

The Mr-Black-03 features a rechargeable lithium battery and charges via a standard Android (micro-USB) charging port.

What is the operating temperature range?

The device operates safely between -5°C and 40°C. For storage, keep it between -20°C and 70°C.

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