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75
6.6.2.3.1
Gas Qualities
CH
4
- Methane
CH
4
is measured via an internal Infrared sensor. The measurement range of the sensor is 0-100% CH
4
.
CH
4
–
LEL (Lower Explosive Limit)
By tapping the CH
4
box the handheld computer will display the CH
4
LEL%. The user can return to the
standard CH
4
% by tapping the CH
4
box again. Note: 100% LEL is equal to 5% CH
4
.
CO
2
–
Carbon Dioxide
CO
2
is measured via an infrared sensor. The measurement range of the sensor is 0-100% CO
2
.
O
2
- Oxygen
O
2
is measured via an electrochemical sensor. The measurement range of the sensor is 0
–
25% O
2
.
Balance Gas
Balance gas is a calculated value. It is calculated as follows:
Balance gas = 100%- CH
4
- CO
2
- O
2
Summary of Contents for ENV100
Page 1: ...865 West Liberty Suite 220 Medina Ohio April 2018 Envision Landfill Gas Analyzer...
Page 15: ...P a g e 15 3 Tap Settings 4 Next tap System 5 Next tap Backlight...
Page 22: ...P a g e 22 2 Tap System and then External GPS 3 Verify GPS program port is set to COM 3...
Page 36: ...P a g e 36 2 Tap the Disconnect button...
Page 42: ...P a g e 42...
Page 105: ...P a g e 105 3 Tap the Clear Site button...
Page 139: ...P a g e 139...
Page 155: ...P a g e 155 5 Name the handheld PC 6 The handheld device will then Sync with the desktop PC...
