User Manual for Solight 1T08 Alcohol Tester
Quick guide for the Solight 1T08 alcohol tester. Learn how to perform active and passive tests, configure alarm levels, change units, and maintain your device for accurate results.
Quick answers from the manual
Quick answer
- The Solight 1T08 is a digital alcohol tester. To perform a test, turn on the device, press the Power button to enter test mode, wait for the 'Ready' indicator, and blow into the mouthpiece for 2 seconds. p. 1
Key actions
- Perform Active Test p. 1
- Enter Setup Mode p. 3
First start
- Insert 3x 1.5V AA batteries into the battery compartment. p. 1
Problems and fixes
Dead battery or incorrect polarity. Check the batteries and replace them if necessary.
p. 4Maintenance and reset
- Recalibration is recommended every 12 months. p. 4
Technical specifications
| Parameter | Value | Meaning | Pages |
|---|---|---|---|
| Power | 3 x 1.5V AA batteries | Battery requirements | p. 1 |
| Measurement range | 0 - 5‰ BAC | Detection range | p. 1 |
Where to find it in the PDF
- Device Overview and Active Test p. 1
- Passive Test and History p. 2
- Setup Mode p. 3
- Troubleshooting and Maintenance p. 4
Table of contents
Quick guide from the manual
The Solight 1T08 is a digital alcohol tester designed for personal use. Before testing, ensure you have not eaten, drunk, or smoked for at least 15 minutes and have rinsed your mouth with water. The device requires 3x 1.5V AA batteries. Always use a new mouthpiece for each test or person to ensure hygiene and accuracy.
Description of the device
The device features a mouthpiece, a display, a Power button, and Up/Down navigation buttons. The display shows test results, status indicators, and menu options during setup.

Starting the device
Insert the batteries into the battery compartment. Press the Power button to turn on the device. A self-test will run for approximately 2 seconds, after which the device will switch to the main screen. The device turns off automatically after 5 minutes of inactivity, or you can hold the Power button for 3 seconds to turn it off manually.
Active test
- Turn on the device.
- When the main screen appears, press the Power button to enter test mode.
- Wait for the "PH" indicator to flash for 4 seconds and "Ready" to appear.
- Place the device 1-2 cm from your mouth and blow evenly into the mouthpiece for approximately 2 seconds.
- The display will show "BLO" and beep. The device will perform the analysis and display the result after a few seconds.
Passive test
This mode is used for breath sampling without direct blowing into the mouthpiece.
- Turn on the device and press the Power button to enter test mode.
- When "Ready" is displayed, place the device 1-2 cm from your mouth.
- Speak or breathe into the mouthpiece.
- The device will automatically draw a breath sample and perform the analysis.
Setup mode
To enter setup mode, hold the Power + Up + Down buttons for approximately 2 seconds on the main screen. "0000" will be displayed. Use the buttons to select digits and wait to enter settings.
- Alarm and unit settings: Set "1000" in setup mode. Use the Down button to select units (‰ BAC, % BAC, or mg/L). Press Power for 2 seconds to save.
- Second-level alarm: Set "2001" in setup mode. Use the Up/Down buttons to set the desired alarm value, then press Power for 2 seconds to save.
- Deleting records: Set "6000" in setup mode to view the total number of tests. Press Power for 2 seconds to delete records.
Maintenance
The device is accurate for approximately 1 year. It is recommended to perform recalibration every 12 months or sooner with frequent use. Contact an authorized service center or dealer for calibration.
Practical help
Common problems
Check the batteries and replace them if necessary; ensure correct polarity.
Wait 15 minutes after eating, drinking, or smoking and repeat the test.
Blow closer to the mouthpiece or replace the mouthpiece.
Contact customer service as the indicator may be defective or disconnected.
Before use
- Insert 3x 1.5V AA batteries.
- Rinse mouth with water.
- Do not eat, drink, or smoke for 15 minutes before the test.
- Ensure no alcohol or solvent vapors (disinfectants) are in the air.
- Use a new mouthpiece for each test or person.
Specs in practice
- Measurement range
- 0 - 5‰ BAC.
- Measurement accuracy
- ±0.08 ‰ at 0.20–0.5 ‰ BAC; 20% at values above 0.5 ‰ BAC.
Images and diagrams
- 1. Mouthpiece
- 3. On/Off (POWER) button
- 5. DOWN button
Model compatibility
- Use a new mouthpiece for each test or for each person being tested.
Manual page author
Michael Turner
Technical manual editor
Reviews PDF manuals for structure, safety notes, and practical product details so readers can find the right information quickly.