This meter is in excellent condition. It powers on and appears to be working properly. The difference between this device and the 4140 is that this device will meter N2O as well as the one's that the 4140 will handle. No power adapter or any other accessories are included.
This item is in the category "Business & Industrial\Test, Measurement & Inspection\Other Test, Measurement & Inspection". The seller is "awsisme" and is located in this country: US. This item can be shipped worldwide.