Hydrogen Peroxide (H 2 O 2 ) Exposure Monitoring

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                                      Hydrogen Peroxide E-Cell® Sensor

ChemDAQ Electrochemical Sensors

Electrochemical sensors are a widely used sensor for work place gas monitoring.  Hydrogen Peroxide diffuses into the sensor, through the back of the porous membrane to the working electrode where it is oxidized or reduced. This electrochemical reaction results in an electric current that passes through the external circuit. In addition to measuring, amplifying and performing other signal processing functions, the external circuit maintains the voltage across the sensor between the working and counter electrodes for a two electrode sensor or between the working and reference electrodes for a three electrode cell. At the counter electrode and equal an opposite reaction occurs, such that if the working electrode is an oxidation, then the counter electrode is a reduction.

The ChemDAQ Difference

ChemDAQ’s hydrogen peroxide sensor accurately measures the hydrogen peroxide concentration over its range, a claim that most H2O2 sensors can’t make. Why? Because hydrogen peroxide test gas of known concentration is difficult to make reliably, and so many H2O2 sensors are calibrated with a surrogate gas instead. The risk is that the sensors may respond very well to sulfur dioxide (a commonly used surrogate gas for H2O2), but give no response to Hydrogen Peroxide. ChemDAQ has developed reliable methods to generate H202 test gas and our generators run 24/7 to ensure consistency. All of ChemDAQ’s H2O2 sensors are calibrated with Hydrogen Peroxide, every calibration, so you can be sure that your ChemDAQ Hydrogen Peroxide sensors not only respond to H2O2 but respond accurately.

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ChemDAQ Sensor Calibration / Exchange Program (SXP)

ChemDAQ’s exclusive SXP service provides you with the assurance that your monitoring system sensors are calibrated and accurate.  This is done by delivering timely and consistent factory pre-calibrated sensors.

The SXP Program minimizes the time and materials spent maintaining your Hydrogen Peroxide monitoring system. ChemDAQ centrally manages the maintenance schedules providing pre-calibrated sensors at prescribed intervals. 

Simple, three step process

1.  ChemDAQ notifies the designated SXP contact person(s) at your facility when it's time for new sensor(s)

2. ChemDAQ ships factory pre-calibrated sensor(s) for each specific chemical along with calibration certificates. 

3. The Designated SXP contact person connects new sensor(s) to monitor(s) and return expired sensor(s) to ChemDAQ in the shipping container provided using the pre-addressed, pre-paid return shipping label.

Hydrogen Peroxide Area Monitoring

Steri-Trac 2+ Area Monitor

ChemDAQ's continuous monitor ensures your employees are safe in real-time. The ST2+ fixed monitor pairs with our H2O2 E-Cell sensor to continuously monitor and alert you to hazardous vapor levels in the air. This provides a fully integrated, intuitive system with flexible options for monitoring hydrogen peroxide exposure.

  • Real-time measurement of vapor concentration in parts per million (PPM), while simultaneously calculating an 8 hour and 15 minute time weighted average (TWA) exposure.

  • Easy to use "plug & play" setup

  • Mount by acrylic stand or wall mount

  • Visual and audible alerts are factory set to meet regulatory requirements, but are customizable to user preference

  • "Impending" alerts warn as exposure is approaching unsafe limits allowing for proactive measures to prevent exposure to hazardous chemical vapors

  • Data optionally collected and stored in .csv format and is downloadable for analysis and reporting purposes

ChemDAQ Data Acquisition System (DAQ)

The ChemDAQ Data Acquisition System (DAQ) is a PC-based computer software system that continuously Gathers, Analyzes, Reports, Displays and Stores (GARDS) data to protect workers against high concentration Hydrogen Peroxide (H2O2) simultaneously for up to 32 Area Monitors. This integrated system helps to monitor immediate and long term exposure of Hydrogen Peroxide.

The Data Acquisition System (DAQ) increases the effectiveness of individual Area Monitors by:

  • Centralizing all monitoring data;

  • Comparing all exposure levels to OSHA standards and requirements for user safety;

  • Alarming when these levels are exceeded or may be exceeded if current concentrations continue;

  • Documenting and storing all Area Monitor activity for current review and/or later retrieval; and

  • Storing exposure, maintenance and calibration histories of each Area Monitor unit.

Remote Video Display (RVD)

The Remote Video Display duplicates the display from the DAQ computer to a video monitor, that workers and supervisors can view all sensors from a single location. Do you have a door leading into your monitored area? Putting a Remote Video Display outside of it will let everyone know it is safe to enter before entering.

Remote Display Repeater (RDR)

Do you want to see a rooms exposure levels from a safe distance? Our remote display is perfect for you to keep yourself clear from over-exposure to any of our chemicals. The remote display duplicates information received from the fixed monitor, which can connect to one or more remote displays. Remote displays are typically wall mounted outside of monitored areas to warn personnel of gas levels prior to entry.


Hydrogen Peroxide Portable Monitoring

SafeCide™ 2.0

Our SafeCide personal monitor is a ruggedized handheld device that operates as a fully portable gas monitoring system. Our portable monitor provides fast, accurate, real-time measurements of chemical vapor, giving you the ability to address concerns in real-time and prevent problems from developing. 

  • Ruggedized handheld device, running the ChemDAQ software on an Android platform

  • Real-time measurement of vapor concentration in parts per million (PPM)

  • Two modes of operation

    • Environment Sampling Mode: Spot checking

    • Industrial Hygiene Mode: 8 hour & 15 minute TWA

  • Bluetooth sensor communication provides for easy sensor placement, up to 30 feet or USB cable

  • Track exposure data, which can be exported to storage device or cloud via wifi for further analysis

  • Alert messaging by email

Is your work environment safe? How do you know?

Contact a ChemDAQ technical sales representative today.