| Measurement Units and Specifications |
| Measurement Units |
| Screen 1 |
|
|
|
| Type |
Displayed as |
USA (Imperial) |
Metric (SI) |
| Methane |
CH4% |
% by volume |
% by volume |
| Carbon Dioxide |
CO2% |
% by volume |
% by volume |
| Oxygen |
O2% |
% by volume |
% by volume |
| Balance |
BAL |
% by volume |
% by volume |
| |
|
|
|
| Screen 2 |
|
|
|
| Type |
Displayed as |
USA (Imperial) |
Metric (SI) |
| Methane |
CH4% |
% by volume |
% by volume |
| Lower Explosive Limit |
CH4% LEL |
% of 5% CH4 |
% of 5% CH4 |
| |
|
|
|
| Screen 3 |
|
|
|
| Type |
Displayed as |
USA (Imperial) |
Metric (SI) |
| Static Pressure |
SP |
w.c. (H2O) |
mb (millibar) |
| Differential Pressure |
DP |
w.c. (H2O) |
mb (millibar) |
| Temperature |
T °F/°C |
°F
(degrees Fahrenheit) |
°C
(degrees Celsius) |
| |
| Screen 4 |
|
|
|
| Type |
Displayed As |
USA (Imperial) |
|
| Old (past) BTU |
BTU OLD |
Per cubic foot |
|
| Old (past) BTU |
KJ OLD |
per cubic meter |
|
| Old (past) Gas Flow |
scfm Feet std. |
cubic feet per min. |
|
| Old (past) Gas Flow |
scfm OLD |
std. cubic meters per min. |
|
| Adj. (present) BTU |
BTU ADJ |
per hr |
|
| Adj. (present) BTU |
KJ ADJ |
per hr. |
|
| Adj. (present) Gas Flow |
scfm ADJ |
std. cubic feet per min. |
|
| Adj. (present) Gas Flow |
scfm OLD |
std. cubic meters per min. |
|
| |
|
| Operating Temperature |
10 to 104°F/-10 to 40°C |
| |
|
| Range and Resolution |
| |
Sensor Range Imperial |
Resolution Imperial |
| Methane |
0-100% |
0.1 |
| Carbon Dioxide |
0-50% |
0.1 |
| Oxygen |
0-25% |
0.1 |
| Pressure-Differential |
0-10"w.c. |
0.01 |
| Pressure-Static |
0-100"w.c. |
0.1 |
| |
|
| Typical Accuracy |
| |
% Methane |
% Carbon Dioxide |
%Oxygen |
| Concentration |
by Volume |
by Volume |
by Volume |
| 5% (LEL CH4) |
+\-0.3% |
+\-0.5% |
+\-0.25% |
| 75% |
+\-1.9% |
+\-3.0% |
n.a. |
| |
|
