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Model 106-MH Ozone Monitor

The Model 106-MH is a versatile medium-high range (0-10,000 ppm) ozone analyzer designed to be used for monitoring ozone off-gas in a water treatment plant, monitoring of ozone used for food treatment, or a variety of other research/industrial related applications.

  • Offers accuracy of ± 2% over a measurement range spanning several orders of magnitude
  • Many uses in industry and research, such as water treatment, food safety processes, and ozone disinfection
  • Manufactured with exhaust port allowing exhaust port to be plumbed back to your ozone process
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Overview

The Model 106-MH Ozone Monitor offers measurements of ozone from 0-10,000 ppm in a package that is extremely low-power (6 watt) and highly portable. The two-level relays on this instrument can be used to control the output of lower concentration ozone generators.

 

About the 106 Series:

  • Designed for industrial ozone applications to cover four different ozone concentration ranges by varying the optical path length.
  • Highly robust and easy to service; all components are mounted directly to the printed circuit board with few wire connection
  • Available in the three following configurations: Standard Enclosure, Industrial Enclosure, or with no enclosure (OEM version)
  • Industrial/NEMA Enclosure is available with single channel, three channel, or six channel sampling manifolds (106-H only available as single channel)

 

106 Series Comparison:

Model Range Resolution Precision & Accuracy
106-L 0-100 ppm 0.0001 ppm (0.1 ppb) Higher of 0.0015 ppm (1.5 ppb) or 2% of reading
106-M 0-1,000 ppm 0.01 ppm Higher of 0.01 ppm or 2% of reading
106-MH 0-10,000 ppm (0-1 vol%) 0.1 ppm Higher of 0.05 ppm or 2% of reading
106-H 0-20 wt% O2 or Air
0-14 vol%		 0.01 wt%
0.01 vol%		 Higher of 0.01 wt% or 2% of reading

Product Configurations

Standard Enclosure

Suitable for air pollution studies and university research.
 

  • Dimensions (Height x Width x Depth): 3.6 x 7.9 x 9.4 inches / 9 x 20 x 24 cm
  • Weight: 4.2 lbs / 1.9 kg
  • Channels: 1
  • Relays: Two 2-level relays
  • Federal Equivalent Method (FEM) [106-L]
  • DewLine™ for Humidity Control
  • Robust and easy to service

Industrial Enclosure

Suitable for workplace health and safety monitoring where ozone is being produced and used in a wide range of applications (see Applications below).
 

  • Water-resistant
  • Dimensions (Height x Width x Depth): 16 x 14 x 9.3 inches / 40.7 x 35.7 x 23.6 cm
  • Weight: Approx. 14 lb / 6.3 kg (depends on multi-channel options)
  • Channel Options: 1, 3, or 6
  • Relays: Four 2-Level relays
  • Federal Equivalent Method (FEM) [106-L]
  • DewLine™ for Humidity Control
  • Robust and easy to service

OEM Version (No enclosure)

Suitable for either mounting in a custom enclosure or using as a component of a larger system.
 

  • Dimensions (Height x Width x Depth):  2.5 x 7 x 9 inches / 6.2 x 17.8 x 22.9 cm
  • Weight: 2.8 lb / 1.3 kg
  • Channel Options: 1
  • Relays: Two 2-level relays
  • Federal Equivalent Method (FEM) [106-L]
  • DewLine™ for Humidity Control
  • Robust and easy to service
  • UV absorption-based measurements, single beam
  • Low power consumption
  • Battery operable (with optional external lithium-ion battery)
  • Internal data logger with real-time clock
  • ​2-s measurement interval
  • On-board microprocessor with interactive menus includes data averaging options of 10 s, 1 m, 5 m, 1 hr, and user-defined adaptive filter
  • USB and RS-232 output of time/date, O3 concentration, internal temperature and pressure
  • Analog output (0-2.5 V and 4-20 mA) of ozone concentration in user-selected units and scaling factors
  • Two 2-level relays for control purposes (e.g., control of ozone source or turn warning light on and off); Four relays on Industrial enclosure models and in the 3-channel and 6-channel optional configurations
  • Long-life pump (15,000 hr)
  • Exhaust port
  • Lithium-ion battery available for purchase
  • Bluetooth for wireless data transmission
  • Flow-through configuration
  • Industrial/NEMA version can be purchased with either a three-channel or six-channel sampling manifold
  • Serial-USB converter available for purchase (not included)
  • External particle filter
  • Model 106-MH Ozone Monitor
  • 1.25A power adapter (2.5A for multichannel configurations)
  • Serial port cable (9PinF-9PinF)
  • External ozone scrubber
  • USB cable
  • Relay connectors
  • USB flash drive preloaded with operation manual and other useful documentation
  • NIST-traceable calibration certificate
  • Measurement of ozone off-gas in water treatment plants
  • Feedback control of lower concentration ozone generators
  • Sanitation/sterilization of medical equipment
  • Rubber testing
  • Synergistic Mechanism of Supported Mn-Ce Oxide in Catalytic Ozonation of Nitrofurazone Wastewater, N. Ma, Y. Ru, M. Weng, L. Chen, W. Chen and Q. Dai, Chemosphere (2022) 308, 3, 136192. ScienceDirect
  • Reduction of Salmonella enterica Typhimurium Populations and Quality of Grape Tomatoes Treated with Dry and Humidified Gaseous Ozone, L. Wang, X. Fan and J. Gurtler, Postharvest Biology and Technology (2022) 193, 112061.  ScienceDirect
  • Controllable Synthesis of a Cu/Cu2O Mott-Schottky Heterojunctioned Catalyst for Highly Efficient Ozone Decomposition, G. Ma, A. Wang, J. Guan, L. Zhang, H. Wang, G. Fan, W. Tang, N. Han and Y. Chen, Journal of Physical Chemistry C (2022) 126, 41, 17520-17527.  ACS Link
  • Influence of Mixed-Phase TiO2 on the Activity of Adsorption-Plasma Photocatalysis for Total Oxidation of Toluene, Zhi. Ye, Zhe. Ye, A. Nikiforov, Ju. Chen, W. Zhou, Ji. Chen, G. Wang and Y. Zhang, Chemical Engineering Journal (2021) 407, 126280.  ScienceDirect
  • The Influence of Relative Humidity on Double Dielectric Barrier Discharge Plasma for Chlorobenzene Removal, W. Zhou, Z. Ye, A. Nikiforov, J. Chen, J. Wang, L. Zhao and X. Zhang, Journal of Cleaner Production (2021) 288, 125502.  Science Direct

Specifications

Spec Sheet
Measurement Principle UV Absorption at 254 nm, single beam
Measurement Interval 2 s
Linear Dynamic Range 0-10,000 ppm
Resolution 0.1 ppm
Precision (1σ for 10-s average; aka rms noise) 0.05 ppm or 2% of Reading
Limit of Detection (10-s averaging, 2σ) 0.1 ppm
Accuracy 0.05 ppm or 2% of Reading
Baseline Drift < 0.1 ppm/day, < 0.3 ppm/year
Sensitivity Drift < 1%/day, < 3%/year
Calibration NIST Traceable; Annual calibration recommended
Measurement Time and Frequency 2 s, 0.5 Hz
Data Averaging Options 10 s, 1 min, 5 min, 1 hr
Response Time, 100% of Step Change For 2-s output: 4 s, 2 data points
For 10-s output: 20 s, 2 data points
Data Logger Capacity 32,736 lines (10 s avg. = 3.8 days; 5 min avg = 113 days)
Data Transfer Baud Rates 2400, 4800, 19200
Ozone Units ppm, mg m-3
Temperature Units oC, K
Pressure Units mbar, torr
T and P Corrected Yes
DewLine™ for Humidity Control Yes
Operating Temperature Range 0 to 50oC
Power Requirements 100-240 VAC, 50/60 Hz;
11-28 V DC, nominally 500 mA at 12 V DC, 6 watt
Flow Rate Minimum required: 0.2 L/min; Nominal: 1 L/min; Maximum: 1.5 L/min
Digital Data Outputs USB, RS232, LCD Display
Analog Data Outputs 0-2.5 V Analog, 4-20 mA, User-Scalable in Menu
Relays with 2 Setpoints Two provided:
Relay 1 responds based on user’s ozone set points
Relay 2 responds based on user’s ozone set points OR responds based on diagnostics (T, P, flow, lamp voltage)
Four relays provided on Industrial models and in the 3-channel and 6-channel configurations
Bluetooth Option Available Yes
Flow Through Option Available Yes
Multi-Channel Options Available Yes, 3-channel and 6-channel configurations for the Model 106-L, -M, and -MH
Size Standard: 3.6 x 7.9 x 9.4 inches (9 x 20 x 24 cm)
OEM: 2.5 x 7 x 9 inches (6.4 x 17.8 x 22.9 cm)
Industrial: 16 x 14 x 9.3 inches (40.7 x 35.7 x 23.6 cm) H x W x D
Weight Standard: 3.9 lb (1.8 kg)
OEM: 2.5 lb (1.1 kg)
Industrial: ~14 lb (6.4 kg) depending on multi-channel options present
Options Battery, Particle Filter, Bluetooth, Flow-Through Configuration, Multi-Channel Configurations

Downloads

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Case Studies

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green and red oval fruits

The Effect of High Ozone Treatment on Food Safety and Quality of Grape Tomatoes

Products: 106-MH

Category: Industrial Ozone Monitor

Application: Industry

Ozone is often used to fumigate fruit and vegetables, to reduce occurrence of pathogens that can cause food-borne illnesses. This study used the Model 106-MH to monitor ozone administered to grape tomatoes to inactivate Salmonella, yeasts, and molds. Although the treatments reduced Salmonella and native microbiota populations, there were tradeoffs in various quality measures and nutrient content of the tomatoes.

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Instructions

Please use the following web form to open a service ticket for calibration and/or repairs on your instrument, and be sure to provide its serial number.

If you are experiencing problems with your instrument, it will greatly aid our troubleshooting efforts if you would:

  • Use the serial connection of the instrument to capture sample data,
  • Save the (raw, unmodified) data in a text file,
  • Upload the file as an attachment and submit it with your service ticket.
Create a Support Ticket