model_106-H

HIGH CONCENTRATION GAS MONITOR

The Model 106 series of ozone monitors were designed specifically for the industrial ozone industry to cover four different ozone concentration ranges by varying the optical path length. The ranges are: -L (low, 0-100 ppm); -M (medium, 0-1,000 ppm); -MH (medium-high, 0-10,000 ppm, 0-1 vol%) and -H (0-20 wt%, 0-14 vol%). The Model 106 series is designed as an “ozone monitor on a board” in which nearly all of the components are mounted directly to the printed circuit board with very few wire connections, making these instruments highly robust and very easy to service. All models are available in a standard enclosure, weather-resistant NEMA enclosure. Configurations for multi-channel sampling are available for Models 106-L, 106-M, and 106-MH.

The Model 106-H Ozone Monitor is designed specifically for measuring the output of high concentration ozone generators that produce ozone in either air or oxygen by either UV light or corona discharge. This model differs from other 106-series ozone monitors in that it flows through with no air pump and the plumbing is designed for high pressure (up to 50 PSIG) and partial vacuum.

Measurement PrincipleUV Absorption at 254 nm, single beam
Measurement Interval2 s
Linear Dynamic Range0-20 wt%
Resolution0.01 wt%
Precision (1σ for 10-s average; aka rms noise)0.01 wt% or 2% of Reading
Limit of Detection (10-s averaging, 2σ)0.02 wt%
Accuracy0.01 wt% or 2% of Reading
Baseline Drift< 0.02 wt%/day, < 0.05 wt%/month
Sensitivity Drift< 1%/day, < 3%/year
CalibrationIodide Titration; annual calibration recommended
Measurement Time and Frequency2 s, 0.5 Hz
Data Averaging Options10 s, 1 min, 5 min, 1 hr
Response Time, 100% of Step ChangeFor 2-s output: 4 s, 2 data points
For 10-s output: 20 s, 2 data points
Flow RateNominal: Up to 20 L/min; Maximum: 55 L/min
0.5 L/min required for 4-s response time at 2-s output
Data Logger Capacity32,736 lines (10 s avg. = 3.8 days; 5 min avg = 113 days)
Data Transfer Baud Rates2400,
4800, 19200
Ozone Unitsg m-3, g Nm-3, vol%, wt% air, wt% O2
Temperature UnitsoC, oF, K
Pressure Unitsmbar, psi, torr
T and P CorrectedYes
Operating Temperature Range0 to 50oC
Operating Altitude Range0 to 5 km
Power Requirements100-240 V AC, 50/60 Hz;
11-28 V DC, nominally 250 mA at 12 V DC, 3 watt
Digital Data OutputsUSB, RS232, LCD Display
Analog Data Outputs0-2.5 V Analog, 4-20 mA, User-Scalable in Menu
Relays with 2 SetpointsTwo available:
Relay 1 responds based on the user’s ozone set points
Relay 2 responds based on the user’s ozone set points OR responds based on diagnostics (T, P, flow, lamp voltage)
Bluetooth Option AvailableYes
SizeStandard: 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)
WeightStandard: 4.8 lb (2.2 kg)
OEM: 3.3 lb (1.5 kg)
  • Measurement-based on UV absorption
  • Low power consumption; can be battery operated (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
  • 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)
  • Bluetooth option for wireless data transmission

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