OnGuard 4000 Silver & Copper Sensor
Purafil OnGuard 4000 Silver & Copper Sensor in India

Looking for a Purafil OnGuard 4000 Silver & Copper Sensor? Business Empire supplies Purafil corrosion-monitoring solutions and replacement sensors for industrial and controlled environments where corrosive gases can damage sensitive electronic equipment.

The OnGuard 4000 (OG4) uses two Quartz Crystal Microbalance (QCM) sensors—one plated with copper and one with silver—to measure corrosion in real time. The corrosion film is measured in Angstroms and the readings correspond to ISA Standard 71.04-2013.

Purafil OnGuard 4000 Copper Sensor

Real-Time Copper Corrosion Monitoring

The copper sensor measures cumulative and incremental copper corrosion, helping identify corrosive environmental conditions before they cause serious equipment damage.

Copper Sensor Applications

It is suitable for environments such as:

Data Centers & Server Rooms

Control Rooms

Industrial Facilities

Motor Control Centers

Electrical & Electronic Equipment Rooms

Telecommunications Facilities

Purafil identifies control rooms, server rooms, motor control centers and rack rooms as typical OnGuard 4000 applications.

Purafil OnGuard 4000 Silver Sensor

Silver Corrosion Monitoring

The silver QCM sensor provides complementary corrosion information and helps evaluate the severity of atmospheric contaminants affecting sensitive equipment. Both copper and silver sensors operate continuously within the OnGuard monitoring system.

Replacement Silver & Copper Sensors

Purafil documentation indicates that sensors require replacement when cumulative corrosion reaches 4, 000 Angstroms.

Business Empire – Purafil Sensor Supplier

Business Empire, Delhi, supplies Purafil OnGuard 4000 Copper & Silver Sensors and corrosion-monitoring solutions across Delhi NCR and India. Business Empire currently lists the replacement copper and silver sensor pair for Purafil OnGuard systems.

FAQ

What are OnGuard 4000 sensors?

They are copper- and silver-plated QCM sensors used to measure atmospheric corrosion in real time.

When should the sensors be replaced?

The specified sensor life is up to approximately 4, 000 Angstroms of cumulative corrosion growth.

Where are these sensors used?

They are used in data centers, server rooms, control rooms and other environments where corrosion can affect electronic equipment.

Can I buy replacement sensors from Business Empire?

Yes. Business Empire supplies Purafil OnGuard 4000 Copper & Silver Sensor replacements in India.
Oct 7th, 2026 10:52 PM

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