CLEARVIEW HVP Hydrogen Peroxide Vapor Analyzer System

Hydrogen Peroxide Vapor Analyzer System

Turnkey solution for the measurement of hydrogen peroxide and water (H₂O₂ and H₂O) concentrations in vapor phase

Our GUIDED WAVE™ CLEARVIEW HVP™ Hydrogen Peroxide Vapor Analyzer System is a simple turnkey solution for the measurement of hydrogen peroxide and water (H₂O₂ and H₂O) concentrations in vapor phase. These are both measured together because they are codependent. The analyzer operates in real time, which takes the guesswork out of determining the H₂O₂ and H₂O concentrations during cycle development and throughout the actual sterilization cycle. The user gains continuous, accurate data for documentation and validation.

BENEFITS

Real-time hydrogen peroxide sterilant gas monitoring
Proven technology works in vacuum and atmospheric
H₂O₂ and H₂O concentration by direct optical NIR
Vital for resistometers and HPV cycle development
Independent reference for HPV load production
Optical RH and relative saturations measurement

LOW PRESSURE MONITORING WITH ACCURATE, RELIABLE RESULTS

Unlike chemical sensors, the CLEARVIEW HVP Hydrogen Peroxide Vapor Analyzer System is able to measure H₂O₂ and H₂O concentrations in vapor phase under ambient or vacuum conditions. Many processes use low pressure in the sterilization process to ensure penetration of product packaging. This system allows you to monitor these cycles so you can determine that the correct concentration of H₂O₂ and H₂O were present during each cycle.

Rapid response
Multiple sample points on one analyzer
Not subject to sensor poisons or analyte degradation
Built-in validation available

PROVEN TECHNOLOGY

Our CLEARVIEW HVP Hydrogen Peroxide Vapor Analyzer System utilizes a multi wavelength ClearView db filter photometer analyzer platform. Optimal wavelengths for H₂O₂ and H₂O were selected to produce a simple yet rugged and reliable analyzer for this dedicated application. This new design uses fixed wavelength filter technology, yet still incorporates dual beam design for stability and accuracy. Fiber optic cables take the NIR light energy to the probe in the isolator and returns the non-absorbed light energy back to the analyzer – the optical equivalent of vapor sampling. The analyzer measures as low as 0.1 mg/L of H₂O₂ and 1.0 mg/L of HvO. With the addition of a temperature value, relative humidity and relative saturation measurements can be made.

Easy Operation and Control

The CLEARVIEW HVP Analyzer is controlled via its touch screen or remotely via Ethernet (Modbus TCP/IP). All of the analytical calculations are encoded in the software. The complete system consists of a CLEARVIEW HVP Analyzer, one or two G-SST probes, and a pair of fiber optic cables for each probe. The analyzer is pre-calibrated at the factory. No programming is required by the user. Start-up requires powering the analyzer, connecting the probe or probes via the fiber optic cables, taking a ZERO reading in the dehumidified isolator and the H₂O₂ and H₂O concentration measurements may begin.

Performance Validation

When performance validation is required the G-SST probe has a built-in validation filter (optional) made of polymeric material. This makes validation of performance easy, at any time. The filter has unique spectral characteristics at the wavelengths used to measure H₂O₂ and H₂O. It was chosen because of its insensitivity to moisture and temperature conditions. To make a validation measurement, the validation filter is temporarily moved into the light path and the optical characteristics of the system are checked.

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Measuring H₂O₂and H₂O Under Ambient or Vacuum Conditions – Ideal
for Low Pressure Monitoring

Process Insights_Guided Wave Hydrogen Peroxide Vapor Analyzer HPVA Photometer Systems

Data Sheet

FAQS Hydrogen Peroxide Vapor HPV Analyzer

Got a question? Not sure what you need? Just complete the Application Questionnaire. We’re here to help.

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ANALYZER OPTIONAL ENCLOSURES

Typically for medical, pharmaceutical and food industries, the CLEARVIEW HVP Analyzer may be housed in a stainless-steel enclosure. Other enclosure options are available, such as, painted carbon steel, explosion-proof or purged depending on area classification requirements.

USER PROGRAMMABLE FEATURES

• Password protection for configuration changes
• Sampling time: 1 second minimum. User settable
• Reporting units: mg/L or ppm-V

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ANALYZER SYSTEM ACCESSORIES AND OPTIONS

2nd channel for additional independent sampling point
Custom length fiber cables
KF or Tri-clover® flanged fiber feed throughs and dual fiber feed throughs
Annual factory calibration service available
Universal power supply (110-240 VAC converter to 24 VDC)
Custom calibration for elevated temperature on request

FIBER CABLE

• 500 µm Ultra Low-OH fiber with stainless steel SMA-905 connectors
• Kevlar® protected or armored cables available

THE SMART CHOICE FOR RELIABLE HPV MEASUREMENT

Our CLEARVIEW HVP Analyzer System delivers accurate, real time H₂O₂ and H₂O measurement results. Its long-term stability and no maintenance requirements make it a cost effective, smart choice to help optimize production and ensure product quality ultimately enhancing profitability. As an ISO 9001 certified company, we maintain expert technical support and responsive global service for the lifetime of the system.


	CLEARVIEW HVP™ Hydrogen Peroxide Vapor Analyzer System
Channels	1 or 2
Enclosure Options	Stainless Steel: 16 in x 12 in x 6 in (41 cm x 30 cm x 15 cm); Painted Carbon Steel: 14 in x 12 in x 6 in (36 cm x 30 cm x 15 cm)
Response Time	1 second, minimum. User settable
H2 O2 Vapor Measurement Range	0.1 – 50.0 mg/L [71.2 – 35,600 ppm V/V]
H2 O2 Measurement Accuracy	± 0.1 mg/L
H2 O Vapor Measurement	1.0 mg/L – to condensation [>1345 ppm V/V]
H2 O Measurement Accuracy*	“1.0 mg/L * Relative to concentration at time of reference”
Ambient Temperature	10 °C – 45 °C
Optimal Ambient Temperature Stability	< ±2 °C
Relative Humidity	0– 90% non-condensing

FAQs

Q: What needs to change or be configured on the CLEARVIEW HVP™ Hydrogen Peroxide Vapor Analyzer when installing and testing a new 50cm G-SST probe from the currently installed shorter 28cm optical path G-SST probe?

A: Since the new 50 cm probe and the currently installed older style (28 cm) probe use the same sanitary flange size and are about the same physical length, you need to follow the setup changes as described in Appendix B of the HPV ClearView db manual to correct for the increase in optical pathlength. See Figure 1 below.

Figure 1: Appendix B ClearView db Menu Tree

Follow these steps when upgrading from 28.3 cm path to 50cm G-SST Vapor probes, make this change in the analyzer Answers Adjust Screen.

See Slope Value of 0.0353 (1/28.3cm). Change that to 0.02
Select SAVE after the change
Perform this for EACH answer (H₂O) and H₂0₂)

What needs to change is a slope value in computing the answer for each component. The slope value is a scaling function of 1/pathlength in cm.

Go to the Answer Adjust Page and see the location where the current slope exists. For 28.3cm path probe it should be 0.0353. Change that value to 0.02 that corresponds to 1/50.

Select SAVE then exit.

You are now ready to operate with the new upgraded VHP GSST Vapor Probes.

Q: Is there a way to easily test the replacement 50cm probe for correct operation once installed on the CLEARVIEW HVP™ Hydrogen Peroxide Vapor Analyzer? (other than running a full cycle and just monitoring)

A: To easily test the new 50 cm G-SST probe once connected to the CLEARVIEW HVP™ Hydrogen Peroxide Vapor Analyzer note the water vapor at ambient. Then put the chamber in a vacuum mode. The moisture level should drop as the chamber is evacuated.

Alternatively, the 50cm vapor G-SST probe can be relocated into a humidity chamber, then inject a certain level of moisture and read once the humidity has stabilized.

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