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2. SPECIFICATIONS, APPROVALS & COMPLIANCE
2.1. SPECIFICATIONS
Table 2-1: T802 Specifications
PARAMETER SPECIFICATION
O
2
Sensor
Ranges
Min: 0-1% Full scale
Max: 0-100% Full scale (user selectable)
Zero Noise
1
< 0.02% (RMS)
Span Noise
1
< 0.05% of reading (RMS)
Lower Detectable Limit
2
< 0.04%
Zero Drift
3
< ±0.02%/24 hours; < ±0.05%/7 days
Span Drift
< ±0.1%/7 days
Accuracy
< ±0.1%
Linearity
< ±0.1%
Temperature Coefficient
< ±0.01%/degree C
CO
2
Sensor Option
Ranges Min: 0-1% Full scale
Max: 0-20% Full scale (user selectable; dual ranges and auto ranging supported)
Zero Noise
1
< 0.02% (RMS)
Span Noise
1
< 0.1% of reading (RMS)
Lower Detectable Limit
2
< 0.04%
Zero Drift
< ±0.02%/24 hours; < ±0.05%/7 days
Span Drift
< ±0.1%/7 days
Accuracy
< ±(1.5% of range +2% of reading)
Temperature Coefficient
< ±0.01%/degree C
Rise and Fall Time
<60 seconds to 95%
Flow Rate
120ml ±20ml/min
Humidity Range
0-95% RH
Pressure Ran
g
e
25-31 in HG
AC Power
100V – 120V 60 Hz (77W); 220V – 240 V 50 Hz (80W)
Analog Output Ranges
All Outputs: 0.1 V, 1 V, 5 V or 10 V
Three outputs convertible to 4-20 mA isolated current loop.
All Ranges with 5% under/over-range
Recorder Offset ± 10%
Analog Output Resolution 1 part in 4096 of selected full-scale voltage
Standard I/O
1 Ethernet: 10/100Base-T
2 RS-232 (300 – 115,200 baud)
2 USB device ports
8 opto-isolated digital status outputs
6 opto-isolated digital control inputs
4 analog outputs
Optional I/O
1 USB com port
1 RS485
8 analog inputs (0-10V, 12-bit)
4 digital alarm outputs
Multidrop RS232
3 4-20mA current outputs
Alarm outputs 2 opto-isolated alarms outputs with user settable alarm limits
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 hours of operation.
07275B DCN6418