Welcome to our store! [Powerful Function] This portable CO gas meter continuously monitors CO concentration in the surrounding environment. Detects excessive CO gas and alerts the operator to take appropriate action. [Precision and Durability] The high-precision detector features an automatic calibration function. The measurable CO concentration range is 0~1000PPM (accuracy is 1PPM). It can use two temperature units ( and ) (temperature range: 32~122/0~50). The CO detector is made of high-quality ABS engineering plastic, which is comfortable to touch, strong, and durable. The sensor lifespan for this product is as long as 3 years. [Practical Design] The CO gas tester is small in size (5.39 X 1.97 X 1.04 cm), light in weight (0.25 pounds (approx. 0.1 kg), easy to carry and use. Even in dark and other harsh environments, you can easily use the high-resolution LCD backlight. In addition, you can set whether to turn on automatic shutdown (when the automatic shutdown function is turned on, if there is no operation for 10 minutes, it will automatically shut down to save power). [Scope of Application] The carbon monoxide tester has the characteristics of a wide measurement range, high measurement accuracy, small size, convenient to carry and use. It is widely used in coal, petroleum, textile, chemical, metallurgy, paper making, fire protection, municipal management, and other industries. Color: as shown Material: plastic Package Contents: 1 * Carbon Monoxide Meter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowable measurement error is +/- 1-3 cm. Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!