Description Overview GAOTek electro-NO sensor is designed for personal usage to detect the concentration of nitrogen oxide. It adopts electrochemical sensor, has high sensitivity. Big OLED displays the concentration, time, and battery capacity. Sound, light, vibration alarm. Features Big OLED display, Highlighted, read 5 meters away Save 5000 records Low power consumption The key operation needs to input password to prevent wrong operation. Recover key data, avoid the loss of data Battery power real-time display, under-voltage hint, low pressure automatic shutdown Standard MINI-USB charging interface Charging protection function Computer connection function Audible and visual alarm, vibrating alarm STEL and TWA alarm function Power on self-test function Adjustable high and low alarm level Replaceable modularized sensor Technical Specifications Detecting Gas NO Measuring Range 0 ppm to 250 ppm Sampling Method Diffused or pump suction (external electric sampling pump) Deviation ≤ ± 3 % F.S Respond Time T90 < 30 s Working Humidity < 95 % R.H. no condensation Sensor Service Life ≥ 5 year Display Mode OLED screen shows density, time, battery power, Alarm state, Percentage progress bar Data Storage 5000 records Upload Data Connected to computer via data line(optional) Alarm Type Light: wide-angle light emitting diode Sound: 90 db humming; when concentration increased, Frequency increases Vibration: oscillator speed of 1300 r/min Working Voltage DC3.6 V lithium ion battery, 1000 mAh Charging Time 4 h to 6 h Working Time More than 72 h (continuous) Protection Class IP66 Working Temperature – 4 °F to 122 °F (- 20 ºC to 50 ºC) Appearance Size 3.86 in x 2.36 in x 0.94 in (9.8 cm × 6 cm × 2.4 cm) Weight 4.94 oz (140 g)
