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Model 400E UV Absorption O3 Analyzer

Model 400E UV Absorption O3 Analyzer

Product catalog summary

Overview: The Model 400E UV Absorption Ozone Analyzer is a microprocessor-controlled device designed to measure low ranges of ozone in ambient air using the Beer-Lambert law. It features a 254 nm UV light signal that passes through a sample cell, with absorption proportional to the ozone concentration. A switching valve alternates measurements between the sample stream and an ozone-scrubbed sample every three seconds, ensuring accurate readings.

Key Features:

Microprocessor-controlled with multi-tasking software for real-time parameter monitoring and automatic diagnostic warnings.
Built-in data acquisition with internal memory for logging parameters such as concentration values, calibration data, and operating conditions.
Data retrieval via serial or optional Ethernet port using APIcom software or front panel access.
Multiple averaging periods from one minute to 365 days.
Standard two-year warranty and free customer support for the instrument's lifetime.

Specifications:

Measurement Ranges: 0-100 ppb to 0-10 ppm, user-selectable with dual ranges and auto-ranging.
Units: ppb, ppm, μg/m³, mg/m³.
Zero Noise: < 0.3 ppb (RMS); Span Noise: < 0.5% of reading above 100 ppb (RMS).
Lower Detectable Limit: < 0.6 ppb (RMS).
Zero Drift: < 1.0 ppb/24 hours, <1.0 ppb/7 days; Span Drift: <1% of reading/7 days.
Lag Time: <10 seconds; Rise and Fall Time: < 20 seconds to 95%.
Linearity: 1% of full scale.
Operating Temperature Range: 5 - 40˚C.
Dimensions: 7” x 17” x 23.5”; Weight: 28 lbs (12.7 kg).
Power: 100V - 120V, 220V - 240V, 50/60 Hz, 250W.

Connectivity and Outputs:

Dual bi-directional RS-232 ports, optional RS-485 or Ethernet.
Digital status outputs and optional 4-20mA current output.

Approvals and Certifications:

USEPA EQOA-0992-087, MCERTS certified Sira MC050070/00, EN14625 Approved, CE certified.

Ordering Information: Options include rack mount brackets, 4-20mA output, multi-drop serial interface, Ethernet port, calibration valves, and accessories like RS-232 Cable and Spare Parts Kit.

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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