16 Introduction, Specifications, Approvals, & Compliance 083730300A DCN8101
Table 1-2. O
2
Sensor Option Specifications
PARAMETER DESCRIPTION
Ranges 0-1% to 0-100% user selectable. Dual ranges and auto-ranging supported.
1
2
Lower Detectable Limit
2
<0.04% O
2
Zero Drift (24 hours)
3
<± 0.02% O
2
Span Noise
1
<
0.05% O
2
Accuracy (intrinsic error) <± 0.1% O
2
Linearity <± 0.1 % O
2
Temp Coefficient <± 0.05% O
2
/°C,
1
As defined by the USEPA
2
Defined as twice the zero noise level by the USEPA
3
Note: zero drift is typically <± 0.1% O
2
during the first 24 hrs of operation
Table 1-3. CO
2
Sensor Option Specifications
PARAMETER DESCRIPTION
Ranges
0-1% to 0-20% user selectable. Dual ranges and auto-
ranging supported.
Zero Noise
1
<0.02% CO
2
Lower Detectable Limit
2
<0.04% CO
2
Zero Drift (24 hours) <± 0.02% CO
2
Zero Drift (7 days) <± 0.05% CO
2
Span Noise
1
<± 0.1% CO
2
Span Drift (7 days) <± 0.1% CO
2
Accuracy <± (1.5% of range + 2% of reading)
Linearity <± 0.1% CO
2
Temperature Coefficient <± 0.01% CO
2
/°C
Rise and Fall Time <60 seconds to 95%
1
As defined by the USEPA
2
Defined as twice the zero noise level by the USEPA