Products & Applications

Markets We Serve

Biopharm

and Pharmaceutical

Chemical

and Pulp/Paper

Research

and Development

Food

and Beverage

Power

and Campus Energy

Water

and Wastewater

Aerospace

and Military

Electronics

Semiconductors + Fiber Optics

Products & Applications

Asset Monitoring

Data Acquisition and Control

Explosion Protection Systems

Flow and Level

Food & Beverage

Gas and Liquid Analyzers

Gas Purification and Filtration

Instrument Repair and Calibration

Microelectronics and Nanotechnology

Pressure

Safety

Sanitary

Single Use and Disposables

Temperature

Solutions for All Industries

With over 100 combined years of engineering experience, Sentrol Inc. delivers end-to-end instrumentation solutions. From piping design take-offs and instrument selection to inventory management and just-in-time delivery, Sentrol Inc. is ready to help support your next project.

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On-Site Services

Services Performed at Your Location

Sentrol Inc. delivers comprehensive on-site technical expertise to optimize your operational systems. With over 100 combined years of industry experience, our team brings proven expertise directly to your facility to enhance performance and safety.

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Off-Site Services

Services Performed at Our Offices

Our capabilities include comprehensive instrument calibration, repair, and rebuild services that extend equipment life and ensure accuracy. These services leverage our deep technical knowledge to keep your operations running smoothly and cost-effectively.

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About Us
Your Experts in Sensor and Control Solutions.

Sentrol Inc. proudly represents the industry’s leading manufacturers of sensor and fluid control products.

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Company

About Sentrol Inc.

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Manufacturers / Products

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Upcoming Events

Biotech Community Expo

INTERPHEX

Philadelphia ASHRAE Golf Outing

Eastern Energy Exhibition

PMC Ride

ASHRAE Region I Chapters Regional Conference

ISPE Annual DVC Symposium & Exhibition

ISPE Boston Product Show

News & Resources

Newsletters & Blogs

Linecards

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Sentrol Family of Brands
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GX-3R PRO

Sentrol, Inc. → Shop Our Products → RKI Electronics → SPARE PARTS → GX-3R PRO

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Sensor retainer gasket,GX-3R Pro

$4.70

GX-3R PRO, RKI Electronics, SPARE PARTS
7fad21875cd7

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Bottom cover (sensor cap),GX-3R Pro

$10.30

GX-3R PRO, RKI Electronics, SPARE PARTS
21-1960

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Sensor retainer, GX-3R Pro

$4.70

GX-3R PRO, RKI Electronics, SPARE PARTS
21-1961

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Front case with overlay for GX-3R Pro

$57.00

GX-3R PRO, RKI Electronics, SPARE PARTS
21-1977

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Sensor case label for GX-3R Pro, Toxic 2 / LEL / O2 / Toxic

$1.10

GX-3R PRO, RKI Electronics, SPARE PARTS
29-0699

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Sensor case label for GX-3R Pro, CO/H2S / LEL / O2 / Toxic

$1.10

GX-3R PRO, RKI Electronics, SPARE PARTS
29-0700

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Label,case sensor,CO/H2S LEL O2,GX-3R Pro

$1.10

GX-3R PRO, RKI Electronics, SPARE PARTS
29-0714

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Hydrophobic dust filter with integral gasket for sensors, GX-3R Pro

$18.00

GX-3R PRO, RKI Electronics, SPARE PARTS
33-0184

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Hydrophobic dust filter with integral gasket for sensors, GX-3R Pro, pack of 10

$168.00

GX-3R PRO, RKI Electronics, SPARE PARTS
33-0184-10

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Humidity filter disk for NH3 sensor, CF-B134, GX-3R Pro (pack of 5)

$33.00

GX-3R PRO, RKI Electronics, SPARE PARTS
33-7140

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Humidity filter disk for NH3 sensor, CF-B134, GX-3R Pro, 1 each

$6.90

GX-3R PRO, RKI Electronics, SPARE PARTS
33-7140-01

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PCB assembly,Li-ion battery with battery board,GX-3R Pro

$168.00

GX-3R PRO, RKI Electronics, SPARE PARTS
57-2099