Ozone generators, Ozone  analysis and destruct systems from InUSA Corp.

Ozone meter instruments

IN USA manufactures a line of ozone meter instruments, including a high concentration ozone meter, off-gas ozone meter, ozone safety meter and a dissolved ozone meter. Each ozone meter is ideal for different applications and are able measure ozone in both gas and liquid phases from ppb levels to concentrations as high as 900 g/m3. Single-channel and multi-channel ozone meter models are available - all models use the proven UV (ultraviolet) absorption technique to make the measurement. UV absorption is an absolute measurement, is selective to ozone, and provides a fast, reliable and stable indication of ozone concentration. The EPA, ASTM, NIST, and IOA recognize this technique as the reference method for ozone in air measurements.

Some ozone meter models are designed for ozone measurement in ultrapure and deionized water (or other liquids) and can be installed in-line in a full-flow, single pass or recirculating stream. Other models are ideal for harsh and dirty applications such as wastewater or other liquids with large amounts of particulates. In this case, a side-stream measurement is ideal for sampling.

High concentration ozone meter

IN USA 's high concentration ozone meter is designed to monitor ozone generator output up to 900 g/m3. Our high concentration analyzers can be used in-line with full flow for ultrapure applications and also side-stream with reduced flow. A common application for a high concentration ozone meter is to monitor and control ozone generator output. The required ozone purity, concentration, and output flow rate determine the requirements for both the ozone generator and the ozone meter.

Off-gas ozone meter

The measurement of ozone in off-gas is challenging, primarily because the off-gas sample is wet and saturated with water vapor. IN USA 's off-gas ozone meter uses a custom-designed ozone sampling and conditioning system that removes water droplets and water vapor from the inlet sample gas and destroys ozone in the gas stream exhaust.

A typical IN USA off-gas ozone meter provides a complete sampling and conditioning system that:

  • draws the sample gas into the ozone meter, via built-in pump and flowmeter
  • removes water droplets and mist from the sample
  • removes water vapor and lowers the sample gas dew point
  • provides continuous and low maintenance gas sampling

Ozone test chamber

IN USA 's ozone test chamber tests textile samples for colorfastness to ozone exposure according to the requirements of AATCC Test Method 109. The ozone test chamber is suitable for a variety of dry and wet process textile applications.

Dissolved ozone meter

Whether the application involves the measurement of dissolved ozone in ultrapure water or in wastewater, IN USA has several dissolved ozone analyzers to meet the requirements. IN USA's dissolved ozone analyzers measure ozone from ppb levels up to 150 ppm or more. Some models use IN USA's patented dual-path UV measurement technique, which has revolutionized ozone measurement by virtually eliminating the need for a reference measurement.


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Teledyne Instruments, Inc.
9970 Carroll Canyon Road,
San Diego, CA 92131, USA
Toll free: 1-800-798-4029
Phone: (1) 781-444-2929
E-mail: api-sales@teledyne.com