Product Description 
 The instrument uses the method of drainage gas gathering, gas replacement parse out the graduated cylinder within the water column, and by reading the gas column height to measure the speed and resolution the amount of gas analytical professional for a geological survey of gas analytical instrument. Has the following advantages: simple structure, small size, light weight, easy to transport, easy to carry; less water consumption, easy to field or underground work, the determination of locations suitable for anhydrous; easy leveling instruments, placed in a small flat or hung up can. 
 Technical parameters 
 Material: plexiglass 
 Dimensions (Box): 100 mm × 100 mm × 500 mm 
 Instrument box material: Aluminum 
 Quality: about 2 kg 
 Range: a 800 mL, repeated irrigation determination 
 Attachment: Instrument box, hose, needle, instructions (excluding coal sample cans)