CDM7.4M煤层瓦斯含量快速测定仪是一种便携式矿用本质安全型仪器。仪器配合手机APP软件测定解吸瓦斯体积并自动计算煤层瓦斯含量,所测数据都可显示、传输并保存。仪器具有测量数据蓝牙传输、电池电量显示等功能。
The CDM7.4M Coal Seam Gas Rapid Determinator is a portable, intrinsically safe device for mining. It has a mobile app interface to measure desorbed gas volume and calculate gas content in coal seams. It also enables display, transmission, and storage of recorded data. Moreover, it uses Bluetooth for wireless data transfer and monitors battery condition in real - time.
技术参数
1.测量参数范围、显示分辨率及基本误差
| 监测参数 | 测量范围 | 分辨率 | 基本参数 |
压力(kPa) | 50.0~110.0 | 0.1 | ±1.5%FS |
温度(℃) | 0.0~55.0 | 0.1 | ±1.5%FS |
2.蓝牙无线传输
a)工作频率:2.405-2.485 GHz;
b)调制方式:GFSK;
c)无线发射功率:≤10dBm;
d)接收灵敏度:-70dBm;
e)通信距离:(距基站,无遮挡、无近频干扰)5m。