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2. SPECIFICATIONS, APPROVALS & COMPLIANCE
This section presents specifications for the T400 analyzer and its options, Agency
approvals, EPA equivalency designation, and CE mark compliance.
2.1. SPECIFICATIONS
Table 2-1: Model T400 Basic Unit Specifications
Parameter Specification
Ranges Min: 0-100 ppb Full scale
Max: 0-10 ppm Full scale (selectable, dual ranges and auto-ranging supported)
Measurement Units ppb, ppm, µg/m
3
, mg/m
3
(selectable)
Zero Noise < 0.3 ppb (RMS)
Span Noise < 0.5% of reading (RMS) above 100 ppb
Lower Detectable Limit < 0.6 ppb
Zero Drift < 1.0 ppb/24 hours
Span Drift < 1% of reading/24 hours
Lag Time < 10 sec
Rise/Fall Time < 20 sec to 95%
Linearity < 1% of full scale
Precision < 0.5% of reading above 100 ppb
Sample Flow Rate
800 cc
3
/min 10%
Power Requirements 100V-120V, 220V-240V, 50/60Hz
Analog Output Ranges 10V, 5V, 1V, 0.1V (selectable)
Recorder Offset
10%
Standard I/O 1 Ethernet: 10/100Base-T
2 RS-232 (300 – 115,200 baud)
2 USB device ports
8 opto-isolated digital outputs
6 opto-isolated digital inputs (3 defined, 3 spare)
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
Operating Temperature Range
5 - 40C (with EPA Equivalency)
Humidity Range 0-90% RH, Non-Condensing
Pressure Range 25 – 31 “Hg-A
Altitude Range 0-2000m
06870C DCN6332