HABOTEST HT61L Handheld Gas Leak Detector Methane Combustible Gas Testers Portable Gases Concentration Analyzer with Digital Display Multifunctional Meter Leakage Tools Sound Alarm

Features:
HIGH-SENSITIVITY SENSOR: High-precision semiconductor sensor with low power consumption, fast response time, strong anti-interference capability, more accurate data collection, and long service life.
SENSITIVITY SELECTION: Pressing the Hi button displays SH on the screen, indicating high sensitivity mode; Pressing the Lo button displays SL on the screen, indicating low sensitivity mode.
DUAL ALARM PROMPTS: When the instrument detects combustible gas, the built-in buzzer emits a sound alarm, the display screen shows red backlight, and the concentration analog bar increases.
AUTOMATIC SHUTDOWN: The instrument will automatically shut down within about 5 minutes after startup without measurement signal or button operation.
LCD DISPLAY SCREEN: In dark environments, the data is clear and visible, making it easy to understand the current working status of the instrument.