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DWYER Replacement Sensor: Carbon Monoxide, Gas Detector - Accessories for Fixed Gas Detectors
DWYERAccessories for Fixed Gas Detectors

DWYER Replacement Sensor: Carbon Monoxide, Gas Detector

The DWYER Replacement Sensor (MPN A-505) is a carbon monoxide sensor designed for use with Dwyer CMT200, Dwyer GSTA, and Dwyer GSTC fixed gas detectors. This accessory is compatible with Dwyer GSTA detectors and is…

SKU 3G-OTH-555316

Also listed as: A505 · A 505

Brand
DWYER
Item
Replacement Sensor: Carbon Monoxide, Gas Detector
Category
Accessories for Fixed Gas Detectors
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

DWYER
Manufacturer Part Number
A-505
Series
Dwyer CMT200
Type
Gas Detector, Dwyer CMT200/Dwyer GSTA/Dwyer GSTC
Gas Detected
Carbon Monoxide
Product Type
Dwyer GSTC
Compatible Detector Manufacturer Part Number
Dwyer GSTA

Technical Documents

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DWYER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The DWYER Replacement Sensor (MPN A-505) is a carbon monoxide sensor designed for use with Dwyer CMT200, Dwyer GSTA, and Dwyer GSTC fixed gas detectors. This accessory is compatible with Dwyer GSTA detectors and is part of the Dwyer CMT200 series.

Frequently Asked Questions

What is the DWYER A-505 replacement sensor used for?

The DWYER A-505 is a carbon monoxide replacement sensor for Dwyer CMT200, GSTA, and GSTC fixed gas detectors. It is used in industrial and commercial environments to continuously monitor CO levels, helping protect personnel and equipment from toxic gas exposure.

What are the specifications of the DWYER A-505 sensor?

The DWYER A-505 is a carbon monoxide sensor from the Dwyer CMT200 series. It is compatible with Dwyer GSTA detectors and is designed as a replacement for Dwyer CMT200 and Dwyer GSTC gas detectors. The manufacturer part number is A-505.

Where to buy the DWYER A-505 replacement sensor worldwide?

3G Electric supplies the DWYER A-505 replacement sensor worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us to order this carbon monoxide sensor for Dwyer CMT200, GSTA, or GSTC detectors.

How to install the DWYER A-505 sensor in a Dwyer gas detector?

Install the DWYER A-505 sensor by first powering down the Dwyer CMT200, GSTA, or GSTC detector. Remove the old sensor, insert the new A-505 carbon monoxide sensor, and secure it. Re-power the unit and perform a calibration check per the manufacturer's manual. Always follow local safety codes.

Used in

Common applications for DWYER
Combustion air-filter monitoring — Magnehelic Series 2000 on burner air-intake filter banks
Clean-room and pharmaceutical pressurisation — Magnehelic / Capsuhelic differential-pressure gauges
HVAC fan-discharge static pressure — Mark II inclined-vertical manometers on AHU test points
Filter-blockage alarms — Photohelic Series 3000 combined gauge/switch on air-handling units
BMS-integrated pressure monitoring — Digihelic DH3 with 4–20 mA output for building management

DWYER Products

3G Electric supplies DWYER accessories for fixed gas detectors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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