Send a part number, a photo, or a whole BOM — we supply it and stand behind it. EXW Singapore — collect from our office.

3G Electric
HONEYWELL BW Technologies Replacement Ammonia Sensor, 0 to 100 ppm, SR-A04 - Honeywell BW Technologies Replacement Sensors
HONEYWELLHoneywell BW Technologies Replacement Sensors

HONEYWELL BW Technologies Replacement Ammonia Sensor, 0 to 100 ppm, SR-A04

The Honeywell BW Replacement Sensor (MPN SR-A04) is an ammonia gas detector sensor with a measurement range of 0 to 100 ppm, designed for use with the GasAlertMicro 5 detector series. It is a 1-year sensor…

SKU 3G-OTH-554158

Also listed as: SRA04 · SR A04

Brand
HONEYWELL
Item
BW Technologies Replacement Ammonia Sensor, 0 to 100 ppm, SR-A04
Part Number
SR-A04
Category
Honeywell BW Technologies Replacement Sensors
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

HONEYWELL
Manufacturer Part Number
SR-A04
Type
HONEYWELL BW, Ammonia, Sensor, 0 to 100 ppm, 497A90/497A91, 1 yr
Part Type
Sensor
Gas Detected
Ammonia
Sub-Brand [NEW]
BW
Measurement Range
0 to 100 ppm
Compatible Detector Model/Series
GasAlertMicro 5

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Ask a question

Request a Quote

Ask a question

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

Product Description

The Honeywell BW Replacement Sensor (MPN SR-A04) is an ammonia gas detector sensor with a measurement range of 0 to 100 ppm, designed for use with the GasAlertMicro 5 detector series. It is a 1-year sensor, compatible with models 497A90/497A91.

Frequently Asked Questions

What is the Honeywell SR-A04 ammonia sensor used for?

The Honeywell SR-A04 is a replacement sensor for the GasAlertMicro 5 detector series. It detects ammonia gas in the range of 0 to 100 ppm, making it suitable for industrial safety applications in refrigeration, chemical processing, and wastewater treatment where ammonia exposure monitoring is required.

What are the specifications of the Honeywell SR-A04 sensor?

The Honeywell SR-A04 is an ammonia gas sensor with a measurement range of 0 to 100 ppm. It is a 1-year sensor compatible with GasAlertMicro 5 detector models BWS1-A-Y and BWS1-A2-Y. The manufacturer part number is SR-A04, and it is part of the Honeywell BW sub-brand.

Where to buy the Honeywell SR-A04 ammonia sensor worldwide?

3G Electric supplies the Honeywell SR-A04 ammonia sensor to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery for international orders. Contact us to source this genuine Honeywell BW replacement sensor for your GasAlertMicro 5 detector.

How to install the Honeywell SR-A04 sensor in a GasAlertMicro 5?

To install the Honeywell SR-A04 sensor, first power off the GasAlertMicro 5 detector and remove the old sensor. Align the new sensor pins with the socket and press firmly until seated. Reassemble the detector and perform a fresh-air calibration before use. Always follow the manufacturer's manual for safety.

Used in

Common applications for HONEYWELL
Commercial kitchen and inflight-catering steam boilers — RM7890 / RM7895 flame relays with UV detection
Food-processing ramp-and-dwell ovens — DBC2000E / DBC2100E controllers
Hotel and hospital boiler plants — VR8205 combination gas controls
Petrochemical tank-farm heating — V4xxx gas-valve bodies with ML7420 actuators
Retrofit swap-outs from legacy Fireye / Satronic — Honeywell replacement kits
Not sure this is the right part? Photo-identify it→

HONEYWELL Products

3G Electric supplies HONEYWELL honeywell bw technologies replacement sensors. We supply genuine products and their technical documentation.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Compatible alternatives & equivalents

Cross-referenced by specification & description
HONEYWELL
HONEYWELL
Electrochemical ammonia sensor with a measurement range of 0 to 100 ppm. Designed for use with the MeshGuard detector series. Suitable for industrial safety monitoring where ammonia detection is required
HONEYWELL
HONEYWELL
Electrochemical sensor for ammonia detection with a measurement range of 0 to 100 ppm. Compatible with the VRAE detector model and part of the MultiRAE series. Used for industrial safety monitoring in environments where ammonia may be present
HONEYWELL
HONEYWELL
Ammonia gas sensor with a measurement range of 0 to 100 ppm and a 2-year life. Designed as a direct replacement for Honeywell RAE MultiRAE and ToxiRAE Pro series detectors. Used in industrial safety and chemical processing environments for monitoring hazardous ammonia leaks
HONEYWELL
HONEYWELL
Replacement combustible gas sensor for Honeywell BW GasAlert Microclip XT and GasAlert Quattro detectors. Measures 0 to 5% vol of combustible gases. Used in personal gas monitors for industrial safety applications
HONEYWELL
HONEYWELL
Replacement carbon monoxide sensor for the GasAlert Max XT series. Detects CO from 0 to 1,000 ppm with a 2-year sensor life. Suitable for industrial safety monitoring in confined spaces and process areas

More from HONEYWELL

View all HONEYWELL parts →
HONEYWELL
HONEYWELL
Replacement infrared sensor for the BW RigRat gas detector. Detects Ex NDIR gases such as combustible hydrocarbons over a 0 to 100% LEL (LP) range. Suitable for use in industrial safety applications including confined-space entry and area monitoring
HONEYWELL
HONEYWELL
Replacement carbon dioxide sensor for the Touchpoint™ Plus gas detector. Detects CO₂ concentrations up to 50,000 ppm. Suitable for use in confined spaces, process plants, and HVAC systems to monitor hazardous gas levels
HONEYWELL
HONEYWELL
Replacement sensor for the GasAlert Micro 5 PID detector, designed to detect chlorine dioxide gas. Measurement range of 0 to 1,000 ppm. Compatible with the GasAlert Micro 5 PID series. Suitable for use in industrial environments where chlorine dioxide monitoring is required
HONEYWELL
HONEYWELL
Replacement sensor for BW RigRat gas detector. Detects combustible gases using non-dispersive infrared (NDIR) principle. Measurement range 0 to 100% volume. Suitable for monitoring explosive atmospheres in industrial environments
HONEYWELL
HONEYWELL
Replacement sulfur dioxide (SO2) sensor for Honeywell BW Flex gas detectors. Measures SO2 concentrations from 0 to 150 ppm. Designed for industrial safety applications where toxic gas monitoring is required, such as in chemical processing and refrigeration
HONEYWELL
HONEYWELL
Replacement sensor for the BW Flex gas detector. Detects hydrogen sulfide (H2S) in the range of 0 to 200 ppm. Suitable for industrial safety applications where monitoring of toxic gas exposure is required
HONEYWELL
HONEYWELL
Replacement sensor for Honeywell Touchpoint™ Plus gas detectors. Uses infrared (NDIR) technology to detect combustible gases (Ex) in the 0 to 100% LEL range (SIL l). 2-year lifespan
HONEYWELL
HONEYWELL
Replacement LEL sensor for the BW Flex detector, measuring combustible gases from 0 to 100% LEL. Designed for use in industrial environments where flammable gas monitoring is required. Sensor lifespan is 2 years

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first