Ozone alarm in use, audible and visual

Remote Audible Alarm Panel (RAP-1) is Activated by OS-6 Monitor Relay when Ozone is above 0.1 PPM

RAP-1 Audible and Visual Alarm Activates when Ozone Levels are above 0.1 PPM

In this video the RAP-1, which is a remote audible / visual alarm, is wired to the safety relay switch in the OS-6 Ozone Monitor, which is set to trigger above a 0.1 ppm ozone level. According to OSHA, the exposure limit for workers is 0.1 ppm for 8 hours per day. This relay is permanently programmed to always activate above 0.1 ppm ozone levels.

The decibel levels on the RAP-1 range from 92-103 dBA. The volume can be adjusted by turning the little black dial on the RAP-1 (shown in the video). The RAP-1 light and audible alarm are activated the entire time the OS-6 reads above 0.1 ppm ozone. As the ozone levels drop, the readings drop and result in the flashing light and audible alarm stopping after the reading goes below 0.1 ppm ozone.

Both devices can be purchased through our website. Each product is linked to below:

The RAP-1 Remote Audible Alarm Panel can be purchased here:
https://www.oxidationtech.com/rap-1.html

The OS-6 Ozone Monitor can be purchased here:
https://www.oxidationtech.com/products/ozone-monitors/fixed-ozone-monitor/os6-ozone-monitor.html



Demonstration of the C-30ZX ozone monitor response speed and alarm function

The C-30ZX ozone monitor is a fixed mount device that will measure ozone from 0-0.14 ppm in 0.02 ppm increments.  This monitor features an internal relay and audible alarm.  The internal relay is user settable at any level from 0.02 – 0.14 in 0.02 ppm increments.  This relay can be used to indicate a remote alarm or shut-down the ozone generation source.  The audible alarm will also sound simultaneously when the relay is set-point is triggered.

The video below displays the response time and the audible alarm triggering.

The EcoSensors C-30ZX is a wall-mounted ozone detector with an instant LED readout, audible safety alarm, and relay switch. The range of ozone measured by this meter is 0-.14 PPM. The main purpose of this sensor is for personnel safety, as 0.14 PPM ozone is the maximum exposure limit allowed by OSHA during an 8-hour work shift.

C-30ZX Ozone Monitor

Purchase EcoSensors C-30ZX Ozone Detector here

The C-30ZX has a rapid readout response to changes in ozone levels. Notice how quickly the LED light readout indicates an increase in the ozone level as the sensor moves near the ozone generator. Then, as it moves away, notice how the LED lights almost instantly reflect the lower levels of ozone.

The C-30ZX has an audible alarm that can be switched on. In this case, the alarm is set to sound at .1 ppm. The alarm can be manually switched off – or, it will also stop sounding as soon as the ozone levels are below the alarm set point.

Introduction to the C-30ZX Ozone Monitor

The C-30ZX ozone monitor is a fixed mount ozone detector with a control relay and audible alarm designed to measure ozone from 0-0.14 ppm of ozone in 0.02 ppm increments.  This is a great monitor to use for ozone safety applications where the OSHA 8 hour TWA limit is the primary concern.  The video below shows the basic functions and operation of the C-30ZX ozone monitor.


The EcoSensors C-30ZX Ozone Meter is a fixed monitor with an audible safety alarm and a relay switch. This monitor detects ozone in the range of 0-.14 PPM, which is the OSHA safety limit for ozone exposure during an 8-hour work shift.

C-30ZX Ozone Monitor

Purchase EcoSensors C-30ZX Ozone Detector Here

The ozone level is indicated by an LED readout, which at the low level is green, at the mid-ozone level is yellow, and at the top of its range, 0.14 ppm, is red to indicate danger. The audible safety alarm can be switched on or off. The C-30ZX Ozone Meter is powered on by plugging it in. The only way to power off this detector is to unplug it. The C-30ZX Ozone Meter is designed to be mounted, plugged in, and powered on continuously. It does not have a battery. The calibration certificate is included in the package. The calibration certificate includes the date of calibration, the data involved in the calibration process, and the serial number of the ozone detector unit. This ozone meter should always be powered on for 24 hours before using it for an accurate ozone detecting. The warm-up phase allows the oxidation to burn off the ozone sensor. Once the oxidation has burned off, the sensor can accurately detect ozone.

The C-30ZX monitor reads ozone from 0 – 0.14 ppm and indicates ozone levels with LED bars that illuminate as the ozone levels. 0.1 ppm is the 8-hour OSHA exposure limit for ozone making the C-30ZX an ideal monitor for measuring low-range ozone levels for safety.

Ozone Sensor SM-X

The SM-X ozone sensor was a replacement sensor for the OS-4, OS-6, and A-22.  However, the SM-X is no longer in production and is now obsolete.

SM-X Replacement Sensor

The SM-6 also used the SM-X as a replacement sensor and also no longer available for purchase.

SM-6 with SM-X

The replacement ozone sensor SM-X (also known as the SM-X-20 or SM-X-2) was paired with EcoSensors OS-4 Ozone Switch, OS-6 Ozone Controller, and A-22 Ozone Monitor. The following options are now available instead:

A-22 Ozone Monitor

A-22 Ozone Monitor

The A-22 is obsolete and there is no replacement sensor option available.  We recommend the following as comparable ozone monitor options to replace your A-22:
D-16 with Ozone 0-20 ppm – https://www.oxidationtech.com/d-16-gas-detector.html
S-300 with EOZ 0-10 ppm – https://www.oxidationtech.com/aeroqual-series-300.html

OS-4 Ozone Switch & OS-6 Ozone Controller

OS-4 Ozone Switch

OS-6 Ozone Controller

The OS-4 and OS-6 Ozone Detectors can be upgraded to use the SM-7/SM-EC electrochemical sensor as an ozone replacement sensor to the SM-6/SM-X.  The new SM-7 will need to be connected to the OS-4 and OS-6 via the wired cable.

SM-7/SM-EC Ozone Sensor

There are two range options for the new SM-7/SM-EC sensor: 0-20ppm or 1-50ppm.  Both range options can be used with the OS-6, but only the 0-20ppm can be used with the OS-4. After you have upgraded to the SM-7/SM-EC then only replacing the SM-EC sensor that’s inside of the SM-7 needs to be done for future sensor replacement.

SM-EC sensor module

The SM-7/SM-EC ozone sensors should be replaced annually as the sensor calibration is good for up to 1 year.

Feel free to contact us with any questions that you have about the SM-X ozone sensor being discontinued.

What Happened at the IOA Today?

On Monday, August 20 the International Ozone Association (IOA) hosted an ozone process workshop giving an overview of ozone and Advanced Oxidation Processes (AOPs).   Seven presenters representing various research organizations and water treatment operations around the country reviewed the basics of AOP fundamentals and considerations for safe and successful process operation and maintenance.  Four companies set up materials for practical, hands-on instruction in feed gas, ozone generator and destruct repair and maintenance, ozone mass transfer, and ozone safety and monitoring.  The discussion and problem solving generated by these presentations served everyone from the large treatment facility to specialized applications such as medicine, food production, or ground water remediation.  I am very excited about this growing industry and will share some of the ideas and information that I am learning as someone new to the industry.

B12 Ozone Sensor is cost effective solution

The B12 ozone sensor was recently added to our website with options for an ozone sensor or oxygen sensor for ambient oxygen levels.  The B12 is a basic sensor offering a display, 4-20 mA output, XP rating, and remote sensor options.

B12 with a display
B12 Ozone Sensor with display

Starting at only $600, the B12 is a very cost effective option for basic ozone monitoring.  The reliability of ATI at a price point of much lower cost options!

Dimensions of B12 ozone gas sensor
B12 Ozone Sensor dimensions

For more ozone gas detection options check our our full list of ozone monitors HERE.

Data Logging Ozone Levels with the C16 PortaSense

Ozone leak detection is the main selling point of the PortaSense C16.  However, it is also one of the few ozone meters on the market today with a functional integrated datalogger.

The C16 is capable of onboard data logging of your gas measurements.  All data logging cables and software are included with the C16.  Datalogging is easy to set-up and easy to use.

The C16 is capable of storing 11,520 data points.   Data logging intervals of 1, 5, 10, and 15 minutes are possible.  The follwing data logging is possible

  • 1 minute interval = 8 days of data
  • 5 minute interval = 40 days of data
  • 10 minute interval = 80 days of data
  • 15 minute interval = 120 days of data

The screenshot below shows the datalogging set-up of the C16.  A very simple interface is used to set-up your data logging software and downoald.

C16 Data Logging Set-up

Data is logged with C16 and downloaded.  All data is exported to a CSV file that can be graphed or shown as a table with common spreadsheet software on your computer.

C-16 logged data

All necessary cables and software are included with the C16 detector for data logging.  Should you have any questions on the data-logging software or set-up, feel free to contact our sales engineers who would be glad to help.

Data Logging Ozone Levels with the Series-500

Ozone detection and measurement accurately is possible with the Series-500 Gas Detector.  This data can also be logged easily with this device to review later, or for reporting purposes.

Series-500 Ozone Monitor
Aeroqual Series-500 can be used with a variety of gas detection heads.

The Series-500 from Aeroqual has the most user friendly and powerful data logging software in the industry.  This great tool will allow for review and production of charts, or tables within the Aeroqual desktop software, or exporting to a spreadsheet format.

The Series-500 has the capability to store data on it’s internal memory.  A total of 8,188 data points can be recorded at time intervals from 1 minute to 30 minutes.  This will allow for long term data storage on the device.  Data logging intervals can be chosen from 1 minute, to any duration the user chooses.  At 5-minute intervals the Series-500 can store data for over 28 days.

Screen shot below shows the table and graph view available in the Aeroqual data logging software.  User can choose either table or graph mode, and can choose timeframe to capture data from.

s-500 data logging example

Click image for larger view

Screen below shows the Daily View mode.  User can choose to show a summary of data showing each day’s summary of min, max, and average captured data.

Aeroqual Data logging softwareClick image for larger view

Screen below shows the monitor set-up that can be performed from the Aeroqual Software.  Using this softwate the monitor can be plugged into the PC and set-up without having to access the monitor.  This is useful for outdoor, or potentially remote monitoring stations.  Monitor logging intervals, alarm, and relay set-points can all be changed from your PC.

Aeroqual Monitor set-up softwareClick image for larger view

External Data Logger

Also available is an external data logger in the event the Series-500 must remain stationary while data is retrieved and brought to another location.   For these purposes we supply the DL-3 data logger.

Using the 0-5 VDC output signal from the S-500 the DL-3 can log and save gas measurements.  This handy device is compact and simply unplugs from the cord and can be taken back to the office to download and record the data.

DL-3 Ecosensors data logger

Ozone Sensor Calibration Information

CALIBRATION INFORMATION

Ozone Sensor Calibration Information

All Ozone Sensors will require periodic calibration to ensure your gas measurements are accurate and correct.  Different gasses, and sensor manufacturers will have differing requirements and methods for calibration.  This page will serve to provide general calibration information and links to specific calibration procedures from the sensor manufacturers we represent.

Should you have any questions about sensor calibration, or would like us to help you with your calibrations please contact us.

CALIBRATION FREQUENCY

Most sensor manufacturers will recommend calibration annually.  This would be the longest interval Ozone Services would recommend for ozone sensor calibration.

The frequency of calibration will be depending upon the gasses measured, sensor type, and purpose of the ozone sensor.

Our general recommendation would be to perform a bump-test of the sensor at least monthly.  Perform a field or factory calibration or sensor check every 6-months, and a factory calibration or sensor replacement every 12-months.

 

NIST (NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY)

Have you ever wondered who ensured 1 pound is exactly 1 pound?  and 1 meter is precisely 1 meter? The NIST is the answer.  this is the governing board that will hold the standard of measurement.

Every gas measurement calibration standard must be directly traceable to the NIST to ensure your sensors calibration is accurate.  When you are reviewing your calibration certificate it must be clearly stated that the calibration standard used to calibrate your sensor is NIST traceable.  If necessary, you can, and should request the proper documentation to validate that traceability.

Calibration gasses can also be NIST traceable The NIST has set-up specific protocols for manufacturers of calibration gasses to follow to ensure your cal gas can be provided with NIST traceability.

 

CALIBRATION GASSES

Calibration gasses are used to calibrate many gas sensors.  Known quantities of gas can be mixed with air to provide a span calibration gas to be used for calibration.  For example. if you are calibrating a chlorine sensor and would like to perform a span gas calibration at 5 ppm, you would purchase a cylinder of air mixed with exactly 5 ppm of chlorine.  This gas can be used according to the manufacturers specifications to perform a span gas calibration.

Ozone is a gas that must be produced on site in known quantities to perform calibration.  The only option for precise ozone gas sensor calibration is sending your sensor to a facility that has a specially build calibration chamber.

FIELD CALIBRATION

Field calibration is just what it indicates.  Any calibration of a sensor performed in the field, or where the sensor is currently installed.  This can be performed with calibration gasses, or with devices designed to produce gasses that will react properly to ensure calibration is accurate on your sensor.

Field calibration is convenient for applications where many sensors are installed and would be challenging or inconvenient to send away for calibration.  Field calibration of your sensors can be performed by Gas Sensing, and many other service companies that will calibrate, and repair your sensors.

 

WHAT IS BUMP TESTING?

When you want to know if your sensor is responding a bump test is a great option.  This is simply a test that exposes the sensor to the specific gas it is intended to measure and ensure that the sensor does indeed respond.  While not a precise process, this does ensure that the sensor is indeed responding and can respond in a critical situation where human safety is critical.

ATI offers an Auto-Test generator for many of the sensors used on the D12 and F12 monitors.  This auto-test generator will produce a gas that causes the proper sensor to react.  A test is run on a pre-set schedule if the gas sensor does not respond as expected an alarm will come on indicating the sensor has failed.  This is a great option for gas sensing is critical applications.

Note: A bump-test is not an acceptable replacement for sensor calibration

 

BUMP TESTING VS CALIBRATION

Bump testing is a great method to ensure your sensor is responding to the gas it is intended to measure.  Bump testing is not a replacement for calibration.

Calibration verifies that the sensor is accurate and providing correct measurements.

 

ZERO CALIBRATION

Zero calibration ensured the sensor is reading an accurate 0, or pure air situation.  Most sensors have an easy way to reset the zero in the event that it drifts over time.

 

SPAN CALIBRATION

Span calibration is ensuring the actual measurement of gas is accurate.  The span should be done at a level of gas that would normally be measured.  Create a known amount of gas at a specific level and verify the sensor displays the same level of gas.

 

CALIBRATION CERTIFICATE

A calibration certificate is provided by the manufacturer when you purchase a sensor.  The calibration certificate provides you with the necessary information to prove that the sensor was calibrated to an NIST standard.  The Calibration Certificate will provide the date the sensor was calibrated, and the date calibration should be done again.

Click here to see a visual explanation of the contents of a typical calibration certificate.

 

ANALYTICAL TECHNOLOGIES INCORPORATED (ATI)

Calibration information on ATI sensor

ATI Sensor Calibration Information

 

AEROQUAL

Aeroqual handheld sensors, and fixed mount sensor heads can be calibrated using the Series-300, or Series-500 base and R42 Calibrator.

Aeroqual Sensor Head Calibration Information

 

ECOSENSORS

EcoSensors devices have a variety of options for calibration.  We provide necessary information at the link below:

EcoSensors Calibration Information

New Dual Gas Sensor Head, O3, and NO2

AEROQUAL DUAL SENSOR HEAD O3, NO2 (MS3

Aeroqual Dual Gas Sensor, CO2, CO

The Dual Range Sensors from aeroqual can measure two gasses at one time to save you time and money.
The MS3 sensor can measure Ozone (O3) and Nitrogen Dioxide (NO2) simultanously using a fan based sensor for real-time measurement.

Aeroqual Dual Gas Sensor, CO2, CO

This Dual Gas sensor will measure Ozone (O3) and Nitrogen Dioxide (NO2) simultanously and real-time with only one sensor.

The new O3-NO2 dual sensor is designed specifically for outdoor and indoor air quality professionals who wish to measure these two criteria pollutants simultaneously. The dual sensor incorporates a proprietary algorithm which automatically corrects for ozone interference on the electrochemical NO2 sensor, resulting in true real-time measurements of both gases. Aeroqual has filed for a patent on this unique technology which we believe is a world first.

Carbon Dioxide Sensor uses GSE technolgoy to measure NO2 from 0-1 ppm, with a resolution of 0.001 ppm.  Accuracy of 10%, and a minimum detection limit of 0.005 ppm.

Ozone Sensor uses GSE technolgoy to measure O3 from 0-10 ppm, with a resolution of 0.01 ppm.  Accuracy of 7.5%, and a minimum detection limit of 0.01 ppm.

This sensor head will be a direct fit onto any Series-200, Series-300, or Series-500 Aeroqual ozone monitor.  This head can be purchased as an addition to your existing monitor, or with a new base unit.  To purchase with a base unit see our Aeroqual ozone monitor page.  If you currenty have an Aeroqual ozone monitor this sensor will be a direct fit for your current monitor.  The Series-200, Series-300, or Series-500 will automatically detect this as a dual gas head and react accordingly.

Series-500 with sensor
Aeroqual handheld with sensors

 Specifications

MANUFACTURER Aeroqual
GAS Carbon Dioxide (CO2), Carbon Monoxide (CO), Dual – CO, CO2
SENSOR TYPE Dual Sensor
RANGE 0-2,000 ppm CO2, 0-100 ppm CO
MAXIMUM EXPOSURE 2,000 ppm CO2, 100 ppm CO
MINIMUM DETECTION LIMIT 10 ppm CO2, 0.2 ppm CO
ACCURACY < +/- 5% CO2, < +/- 10% CO,
RESOLUTION 1 ppm CO2, 0.1 ppm CO
RESPONSE TIME 120 seconds CO2, 30 seconds CO
SAMPLING METHOD Fan
OPERATIONAL TEMPERATURE RANGE 0 to 40 C
OPERATIONAL RH RANGE 10 to 90%
WARRANTY 6 Month