Teledyne t320u Manuale Utente

 

31 

This section presents specifications for the T300/T300M analyzer and for its second gas 
sensor options, EPA equivalency designation, and compliance statements. 

Parameter  

Specification  

Ranges 

Min: 0-1 ppm Full scale 
Max: 0-1,000 ppm Full scale (selectable, dual ranges and auto ranging supported) 

Measurement Units 

T300: ppb, ppm, µg/m

3

, mg/m

3

 (user selectable) 

T300M: ppm, mg/m

3

 (user selectable) 

Zero Noise

1

 

T300: < 0.02 ppm RMS 
T300M: ≤ 0.1 ppm RMS 

Span Noise

1

 

T300:<0.5% of rdg RMS over 5ppm

 3

 

T300M:>0.5% of rdg RMS over 20ppm

 

Lower Detectable Limit

1

 

T300: < 0.04 ppm 
T300M: 0.2 ppm 

Zero Drift (24 hours)

 2

 

T300: < 0.1 ppm 
T300M: <0.5 ppm 

Span Drift (24 hours)

 2

 

T300: < 0.5% of reading 
T300M: 0.5ppm 

Lag Time

1

 10 

seconds 

Rise/Fall Time 

1

 

<60 seconds to 95% 

Linearity 

T300: 1% of full scale

5

;

 

T300M: 0 - 3000 ppm: 1% full scale;   

3000 - 5000 ppm: 2% full scale

 

Precision 

T300: The greater of 0.5% of reading or 0.2ppm;  
T300M: The greater of 1.0% of reading or 1ppm 

Sample Flow Rate 

800 cm

3

/min.  ±10% 

(O

2

 Sensor option adds 120 cm³/min to total flow when installed) 

AC Power 

100V-120V, 220V-240V, 50/60 Hz 

Analog Output Ranges 

All Outputs: 10V, 5V, 1V, 0.1V (selectable)  
Three outputs convertible to 4-20 mA isolated current loop. 
All Ranges with 5% under/over-range 

Analog Output Resolution 

1 part in 4096 of selected full-scale voltage 

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 status outputs 
6 opto-isolated digital control inputs (2 defined, 4 spare) 
4 user configurable analog outputs 

06864B DCN6314