Features：
·Compact, lightweight and pocket-use
·Different frequency vibration
·Auto-zero when power on, ensure veracity for each detection
·Distinctive Visual & Audible alarm, loud 95dB buzzer
·Ultra bright visual alarm indications that can be seen within 10M
·Adjustable 2 level alarm points and TWA, STEL alarm
·Automatic full function self-test ensures circuit, sensor and battery
under normal work processing
·Replaceable sensor and battery
·10 year battery storage life
·Auto temperature compensation

Specification：
Detector Type: Portable Single Oxygen/Toxic Gas Detector
Operating Type: Continuous
Sensors: Replaceable electrochemical sensor
Measuring Ranges& increments:
CO：0－1000ppm，1ppm
H2S：0－100ppm， 1ppm
SO2：0－20ppm， 0.1ppm
O2：0－30%vol， 0.1%vol
(Please refer to our web or contact us directly for other detecting gases and particular parameter)
Key-press Operation: 3-direction Joystick
Display: Wide view LCD, real-time display gas consistence and work processing
Alarms: Adjustable 2 level alarm points and TWA, STEL alarm
Alarms mode: Visual, Audible, Vibrating alarm, with different alarm mode on different alarm level.
Audible alarm: Provides 95 dB modified pulse tone on alarm Pulsing 95dB (30 cm typical)
Visual alarm: 4 twinkling wide-angled red LED lens
Vibrating alarm: Strong vibrating alarm as standard, provide the best alarm mode for noisy
environment