Combustible gas detector is applicable to various industrial environments and some special environment where combustible gas may exist. In order to create a safe environment for living or working, attention should be paid to combustible gas detection. This SPD-202 Large LCD Display Digital Combustible Gas Detector features stable signal, high precision, good repeatability and high performance. It is a perfect made-up article of superior material and sophisticated technology. And with large LCD display, it is quite easy to read. You can take one for daily use now!                                    Features             High-performance catalytic sensor, anti-poisoning<br>
 Advanced processing technology, fast response, high accuracy and stability<br>
 New and never used<br>
 Large LCD display, easy to read<br>
 Nimble signal output, relay output, data recovery and storage functions<br>
 Automatically detect any objects containing combustible gas<br>
 Suitable for labs, hospital, production and chemical processing etc.<br>
                                                            Specifications             Model     SPD-202    <br>
 Measurement Range     0~100%LEL 50~50000PPM    <br>
 Measurement Accuracy     ≤±5%    <br>
 Measurement Error     ≤5%    <br>
 Power     4 x1. 5 v AAA Alkaline High-energy Battery    <br>
 Dimensions     (6.30 x 2.95 x 1.57)" / (16 x 7.5 x 4)cm (L x W x H)    <br>
 Weight     11.78 oz / 335 g    <br>
 Display     Large Screen Digital LCD    <br>
 Operation Temperature     -10~60℃    <br>
 Operation Humidity     0~90%RH    <br>
 Resolution     0.1%LEL    <br>
 Response Time     1s     <br>
                                                             Package Includes            1 x Combustible Gas Detector <br>
1 x Manual<br>
4x Battery<br>