2B Technologies Model 106-M Portable UV Absorption Ozone Analyzer

Overview

The 2B Technologies Model 106-M is a field-deployable, portable ozone analyzer engineered for high-fidelity atmospheric and industrial ozone quantification using dual-beam ultraviolet absorption photometry at 254 nm. This principle leverages the well-characterized molar absorptivity of ozone in the Hartley band, enabling direct, interference-free concentration measurement without chemical conversion or catalytic scrubbing. Unlike electrochemical or metal oxide semiconductor sensors, the Model 106-M delivers absolute traceability to NIST standards through optical pathlength stability, temperature-controlled lamp intensity monitoring, and real-time reference beam compensation—critical for regulatory-grade ambient air monitoring and process validation. Its compact form factor (2.1 kg), low power draw (4.2 W), and battery-compatible DC operation make it suitable for unattended deployments in remote locations, mobile platforms, cleanroom validation, and occupational exposure assessment where grid power is unavailable or impractical.

Key Features

• UV photometric detection at 254 nm with dual-beam optical architecture for drift-corrected signal stability
• Dynamic measurement range from 0 to 1000 ppm with sub-part-per-trillion effective resolution (1.5 ppbv)
• 10-second response time (t₉₀) compliant with EPA Reference Method EQOA-01 for ozone monitoring systems
• Integrated DewLine™ Nafion® dryer for active water vapor management—reducing humidity-induced spectral interference without consumables
• Onboard data logging (12,288 points) with configurable averaging intervals: 10 s, 1 min, 5 min, or 1 hr
• Multi-protocol output: USB 2.0, RS-232 serial, isolated 0–2.5 V analog, and 4–20 mA current loop with user-selectable full-scale ranges (e.g., 0–1 ppm, 0–100 ppm)
• Programmable relay outputs for high/low alarm thresholds (0.000–100.000 ppm), calibrated status indicators, and maintenance alerts (filter replacement, calibration due)
• Compliant with IEC 61000-6-3 (EMC) and IEC 61010-1 (safety); operating temperature range: 0–40 °C; relative humidity: 0–95% non-condensing

Sample Compatibility & Compliance

The Model 106-M accepts ambient air, compressed gas streams, and controlled laboratory effluents without sample conditioning beyond optional particulate filtration (0.2 µm PTFE). Its optical design inherently rejects cross-sensitivity to NO₂, SO₂, and VOCs at typical environmental concentrations. For pharmaceutical cleanroom validation, the instrument meets ISO 14644-3 Annex B requirements for real-time gaseous contaminant monitoring during ozone sterilization cycles. In occupational health applications, it supports OSHA PEL (0.1 ppm TWA) and ACGIH TLV (0.05 ppm STEL) verification per NIOSH Method 6004. Data integrity complies with FDA 21 CFR Part 11 when used with validated software configurations, including electronic signatures, audit trails, and secure export protocols.

Software & Data Management

The analyzer ships with 2B Technologies’ proprietary Ozonetool™ software (Windows/macOS), enabling real-time visualization, remote configuration, firmware updates, and batch export in CSV/Excel format. Logged data includes timestamp, raw absorbance ratios, temperature-compensated ozone concentration, diagnostic flags (lamp intensity, flow rate, dew point), and user-defined metadata fields. For enterprise integration, the RS-232 and 4–20 mA interfaces support Modbus RTU and SCADA system compatibility. All stored records retain immutable timestamps and are structured to satisfy GLP/GMP documentation requirements—including calibration history, zero/span verification logs, and operator annotations.

Applications

• Long-term ambient ozone monitoring in off-grid or low-power environments (e.g., mountain-top stations, polar research outposts)
• Urban air quality networks requiring EPA-equivalent performance with portable deployment flexibility
• Validation of ozone-generating equipment—sterilizers, oxidation reactors, water treatment systems—in compliance with USP and ISO 11137
• In-situ monitoring during pharmaceutical cleanroom decontamination cycles (ISO Class 5–8), tracking decay kinetics and residual clearance
• Personal exposure assessment for epidemiological studies on ozone-related respiratory morbidity, aligned with WHO Air Quality Guidelines
• Calibration transfer standard for field instruments and laboratory reference systems

FAQ

What ozone concentration units does the Model 106-M support?
ppb, ppm, pphm, µg/m³, and mg/m³—automatically converted based on local temperature, pressure, and molecular weight.
Is the instrument suitable for humid environments?
Yes—its integrated DewLine™ Nafion® dryer actively removes water vapor from the sample stream, preventing condensation and spectral interference without desiccant replacement.
How often does the instrument require calibration?
Annual NIST-traceable calibration is recommended; field zero checks can be performed daily using certified zero air or activated carbon scrubbers.
Can the Model 106-M operate on battery power?
Yes—it accepts 12 V DC input and is compatible with external portable power supplies (e.g., lithium-iron-phosphate packs) enabling >8 hours of continuous operation.
Does the device meet regulatory requirements for ambient air monitoring?
It satisfies U.S. EPA’s Equivalent Method designation criteria (EQOA-01) and is widely deployed in state and federal air monitoring networks under SLAMS and NCore programs.