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DWYER A-505 Carbon Monoxide Replacement Sensor for CMT200, GSTA, GSTC - Accessories for Fixed Gas Detectors
DWYERAccessories for Fixed Gas Detectors

DWYER A-505 Carbon Monoxide Replacement Sensor for CMT200, GSTA, GSTC

<p>The DWYER A-505 is a carbon monoxide replacement sensor designed for use with Dwyer CMT200, GSTA, and GSTC fixed gas detectors. This sensor ensures accurate CO detection, making it essential for safety monitoring…

SKU 3G-OTH-555316

Also listed as: A505 · A 505

Brand
DWYER
Item
A-505 Carbon Monoxide Replacement Sensor for CMT200, GSTA, GSTC
Part Number
A-505
Category
Accessories for Fixed Gas Detectors
Available to Order
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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

<p>The DWYER A-505 is a carbon monoxide replacement sensor designed for use with Dwyer CMT200, GSTA, and GSTC fixed gas detectors. This sensor ensures accurate CO detection, making it essential for safety monitoring in industrial, commercial, and HVAC applications. It is a direct replacement part, compatible with Dwyer GSTA and GSTC detector models.</p><p>As a Singapore-based supplier, 3G Electric offers the DWYER A-505 with worldwide shipping. For Singapore buyers, we provide SGD quotes on request and handle GST for local transactions. Enjoy fast delivery across Singapore and Southeast Asia.</p>

Frequently Asked Questions

Which Dwyer detectors is the A-505 sensor compatible with?

The A-505 is compatible with Dwyer CMT200, GSTA, and GSTC models, as specified by the manufacturer.

What gas does the A-505 sensor detect?

The A-505 detects carbon monoxide (CO).

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
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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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Compatible alternatives & equivalents

Cross-referenced by specification & description
Wall-mounted digital gas detector and transmitter for continuous carbon monoxide monitoring. Measurement ranges of 0 to 200 or 0 to 500 ppm. CE and RoHS compliant. Includes calibration certificate. Suitable for industrial environments such as boiler rooms, parking garages, and process areas
DWYER
Wall-mounted digital gas detector and transmitter for continuous carbon monoxide monitoring. Measurement ranges of 0 to 200 or 0 to 500 ppm. CE and RoHS compliant. Includes calibration certificate. Suitable for industrial environments such as boiler rooms, parking garages, and process areas
A-505A replacement CO sensor
Dwyer
A-505A replacement CO sensor
Dwyer
Dwyer
CO detector replacement A-505

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