The Model T400 UV Absorption O3 Analyzer

Ranges

Min: 0-100 ppb Full scale

Max: 0-10 ppm Full scale (selectable, dual ranges supported)

Measurement Units

ppb, ppm, μg/m3, mg/m3 (selectable)

Zero Noise

< 0.2 ppb (RMS)

Span Noise

< 0.5% of reading (RMS) above 100 ppb

Lower Detectable Limit

0.4 ppb

Zero Drift

< 1.0 ppb/24 hours

Span Drift

< 1% of reading/24 hours

Lag Time

10 seconds

Rise/Fall Time

< 20 seconds to 95%

Linearity

1% of full scale

Precision

0.5% of reading above 100 ppb

Sample Flow Rate

800 cc/min ±10%

IZS Specifications (optional)

Maximum Concentration: 1.0 ppm

Minimum Concentration: 0.050 ppm

Resolution: 0.5 ppb

Repeatability (7 days): 1% of reading

Initial accuracy: ± 5% of target

Power Requirements

100V-120V, 220V-240V, 50/60 Hz

Analog Output Ranges

10V, 5V, 1V, 0.1V (selectable)

Recorder Offset

±10%

Included I/O

1 x Ethernet: 10/100Base-T

2 x RS232 (300-115,200 baud)

2 x USB device ports

8 x opto-isolated digital outputs

6 x opto-isolated digital inputs

4 x analog outputs

Optional I/O

1 x USB com port

1 x RS485

8 x analog inputs (0-10V, 12-bit)

4 x digital alarm outputs

Multidrop RS232

3 x 4 - 20mA current outputs

Operating Temperature Range

5 - 40ºC

Dimensions (HxWxD)

7” x 17” x 23.5” (178 x 432 x 597 mm)

Weight

28 lbs (12.7 kg) / 30.6 lbs (13.8 kg) with IZS

Certifications

MCerts: Sira MC0500067/07

US EPA: EQSA-0495-100

Russian standard: 50500-12