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Home Use Carbon Monoxide Alarm Sumring Fire Detector Co Smoke Detection LCD Display Alarm
Transformers And Substation Equipment

Home Use Carbon Monoxide Alarm Sumring Fire Detec | RFQ Sourcing Details

Transformers And Substation Equipment · Quote on request

This is a product procurement detail page: check specs, images, category context and related sourcing paths before sending an RFQ.

Quote on request

Product specs

CategoryAlarm Panels
Unitset
ModelNo SR-821THS Operating
powerconsumption and small sensitivity drift. It is mainly used in places where carbon monoxide gas leakage and fire may occur, ensuring personal life safety
warrantyperiod is 2 years from the factory,if there are individual quality problems, we will replenish the customer in the next batch of orders
CategoryTransformers And Substation Equipment
CategoryTransformers And Substation Equipment
AvailabilityInquiry required
Updated2026-05-27

Buyer's Digest

Use this page as a product-first sourcing checkpoint before sending an RFQ. Category: Transformers And Substation Equipment. Confirm application fit, capacity, materials, destination, lead time and compliance requirements before comparing suppliers.

Original product description

Carbon Monoxide Alarm Sumring Fire Detector Co Smoke Detection LCD Display Alarm This product SR-821THS is an in ring high stability, low power consumption and small sensitivity drift.

It is mainly used in places where carbon monoxide gas leakage and fire may occur, ensuring personal life safety Model No SR-821THS Operating voltage 3*1.5V AA battery (3 AA 1.5V) (battery is not included) Quiescent current Less 80uA Alarm current less 30mA Alarm output sound and light tips Sensor Electrochemical Carbon Monoxide Sensor and Infrared Photoelectric Sensor Working temperature 0-50 °C Working humidity relative humidity 10%-95% Carbon monoxide gas detection concentration 000~999 PPM Smoke sensitivity 0.1% db/m-9.9% db/m Battery display low battery alarm Dimensions 104*39mm Packing and shipping

Home | Applications and Buyer Notes

Home is organized as a sourcing-ready Transformers And Substation Equipment reference. The page combines visible product or company data with structured procurement cues so buyers can compare application fit, specifications, quantity, quality requirements and

Applications

  • Initial shortlist building for related product or supplier options.
  • Specification and application fit review before bulk purchasing.
  • Category, keyword and detail-page comparison before sending an RFQ.

Key specifications

Category
Transformers And Substation EquipmentBased on visible page data; confirm exact value in the RFQ.
Unit
setBased on visible page data; confirm exact value in the RFQ.
Model
No SR-821THS OperatingBased on visible page data; confirm exact value in the RFQ.
power
consumption and small sensitivity drift. It is mainly used in places where carboBased on visible page data; confirm exact value in the RFQ.
warranty
period is 2 years from the factory,if there are individual quality problems, weBased on visible page data; confirm exact value in the RFQ.

Buyer tips

  • State quantity range and split-delivery needs before price comparison.
  • Add certification, material or inspection standards when they affect acceptance.
  • For time-sensitive projects, include target arrival date and destination.
  • For special applications, describe operating condition, installation environment and duty cycle.

FAQ

What should buyers confirm first?

Confirm application, specification, quantity, destination and lead-time requirements before comparing offers.

Can buyers inquire when specs are incomplete?

Yes. Add model, material, size, use case and inspection needs in the RFQ to make replies comparable.

How should this listing be evaluated?

Check title, category, specifications and related keywords against the actual sourcing requirement.

Source mix: ugc

Key specifications

CategoryAlarm Panels
Unitset
ModelNo SR-821THS Operating
powerconsumption and small sensitivity drift. It is mainly used in places where carbon monoxide gas leakage and fire may occur, ensuring personal life safety
warrantyperiod is 2 years from the factory,if there are individual quality problems, we will replenish the customer in the next batch of orders

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