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ONGUARD 4000
The Purafil OnGuard 4000 (OG4) Atmospheric Corrosion Monitorindicates the level of corrosion before severe damage occurs, preventing costly downtime and maintenance repairs. Reactivity monitoring is an accu- rate and reliable method of evaluating the quality of air, characterizing the room environment, and evaluating the effectiveness of chemical filters. The OG4’s copper and silver sensors measure the rate of corrosion in real-time. An internal data logger stores the results to be accessed through the internet or directly transmit to a process con-trol system. Ideal for control rooms, server rooms, motor control centers, rack rooms, or other areas where corrosion is a concern, the OG4 prompts preventive action before
serious problems develop.
Benefits
•Indicates the level of corrosion before severe
damage occurs
• Prevents costly repairs and production downtime
•Tracks peaks and trends to determine the level of
corrosion
• Easy access to data and graphs
• Readings correspond to ISA Standard 71.04-2013
•Low maintenance: Sensors need replacement at 4000
Angstroms of cumulative corrosion growth
• RoHS compliant
Features
•Measures corrosion, temperature, and relative humidity
on a continuous basis
•Direct interface provided by the backlit LCD
and keypad
• Remote power from network cable (PoE)
•4-20mA connection with existing facility management
systems or distributed control systems (DCS)
• AA battery-powered for remote or inaccessible areas
• Provides incremental and cumulative corrosion data
• Long service life
• Accurate within ± 0.5-1% of full span
Principle of Operation
The OG4 comes with two quartz crystal microbalance
(QCM) sensors, one that is plated with copper and anoth-
er with silver. The QCM is used to measure the corrosive
film that results from the environment. This highly sensitive
method of measurement will indicate contaminant levels
at or less than one part per billion (1 ppb). The corrosion
film thickness is measured and recorded in Angstroms (Å).
This measurement corresponds directly to ISA Standard
S71.04-2013.
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Pancard Software
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Aadhar Card Software
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Scan and Print Software
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PVC Plain & Pre Printed cards for Thermal Printers like Evolis Magicard Zebra IDP
PVC Inkjet Cards also available
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Corrosion Classification Coupon
The Corrosion Classification Coupon (CCC) measures the amount of corrosion that forms on copper
and silver surfaces. This provides data allowing an industry standard classification of the amount of corrosion present, as well as identifying contaminant classes. Because many contaminants are corrosive in nature (e.g., hydrogen sulfide and sulfur dioxide), reactivity monitors have long been used to gauge the quality of ambient air and to indicate the effectiveness of pollution control strategies. Purafil’s CCC is
a passive reactivity monitoring technique involving the use of copper and silver.
Customer Benefits
• Unobtrusive, easy installation and data gathering
• Economical investment for determining air quality
• Scientifically supported, reliable results
•Provides the documentation required for manufacturers’
warranty compliance
•Vital for determining corrective solutions to protect
equipment, processes, and artifacts
Copper and Silver Analysis
After an installation period of 30 days, the CCCs are collected from the field and returned to Purafil’s laboratory for analysis. The purpose of CCC analysis is to determinethe type and thickness of corrosion films on the surface of each metal coupon. A normalized 30-day reactivity rate is calculated using the amount of time the metal coupon is exposed and the thickness of the corrosion that has formed.
ISA Environmental Classes: Airborne Contaminants This standard requires that rooms containing backplane wired equipment, instrumentation, process control systems or computers, must have a G1 environmental classification, defined in terms of corrosion thickness as 0-299 Angstroms (Å) per 30 days on copper and 0-199 Å per 30 days on silver Coupons. Purafil provides a report that directly correlates to the G1, G2, G3, and GX ratings.
ISA STANDARDANSI / ISA-71.04-2013
Severity LevelCopper CorrosionSilver Corrosion
G1 - Mild<300 Angstroms / 30 days<200 Angstroms / 30 days
G2 - Moderate<1000 Angstroms / 30 days<1000 Angstroms / 30 days
G3 - Harsh<2000 Angstroms / 30 days<2000 Angstroms / 30 days
GX - Severe>2000 Angstroms / 30 days>2000 Angstroms / 30 days
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RFID PROXIMITY MIFARE PVC CARDS
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Aadhaar print software CPS for All Thermal and Inkjet Printers
Evolis
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Zebra
IDP
Datacard
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PVC Chip Cards
RFID Cards
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Pre Printed Cards
Thermal and Inkjet Cards
Evolis Cleaning Kit - Card and Swab
For Primacy 1
Primacy 2
Asmi
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The PPU is self-contained, air scrubbing systems designed to provide pressurized and/or recirculated air, free of corrosive gases. It is ideal for removing air contaminants from controlled environments containing sensitive computer electronics and electrical equipment.
Features:
• Robust design with small footprint Plenum with dampers to introduce outside air• Recirculation to maintain continued positive pressure• Speed control
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Delivery Time : 6-8 Weeks
