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China JT-AT2004BII Household Bus-type Combustible Gas Detector - Quality from Reliable Suppliers & Factory
JT-AT2004BII Household Bus-type Combustible Gas Detector.jpg

JT-AT2004BII

Household Bus-type Combustible Gas Detector

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  • ● 2-wire design, no external 24V power supply required
  • ● Temperature compensation for smart and precise detection
  • ● Automatic lifetime expiration reminder
  • ● Black box function, recording alarms, faults, and failure logs.
  • ● Constructed with V0-rated flame-retardant material
  • ● IP31 grade protection
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Product Details

Description
The JT-AT2004BII is an energy-saving household bus-type combustible gas detector with a unique 2-wire design, integrating power supply and signal transmission without external 24V power, simplifying wiring and reducing installation costs. Advanced temperature compensation adjusts detection parameters to ambient temperature, ensuring accurate, stable detection of combustible gases and avoiding false/missed alarms. It has an automatic lifetime expiration reminder to prevent risks from expired equipment. A built-in black box records alarms, faults, and logs for quick troubleshooting. Made of V0-rated flame-retardant material with IP31 protection, it resists dust and light water splashes. As a bus-type detector, it has good expandability, connecting multiple units for centralized monitoring, suitable for larger households or multiple gas usage points.
Key Features
⚡

Unique 2-Wire Design

Integrates power supply and signal transmission in a single 2-wire connection — no external 24V power required, simplifying wiring and lowering installation costs.

🌡️

Temperature Compensation

Advanced compensation automatically adjusts detection parameters to match ambient temperature, ensuring accurate, stable gas detection and eliminating false or missed alarms.

⏰

Lifetime Expiration Reminder

Automatic reminder alerts users when the device is approaching end-of-life, preventing safety risks caused by operating expired detection equipment.

🗃️

Built-in Black Box

Records historical alarms, faults, and operational logs, enabling quick and accurate troubleshooting and maintenance reference.

🛡️

V0 Flame-Retardant & IP31 Protection

Constructed with V0-rated flame-retardant material and IP31-rated enclosure, providing reliable resistance to dust and light water splashes.

🔗

Bus-Type Expandability

Supports connection of multiple units for centralized monitoring — ideal for larger households or premises with multiple gas usage points.

Frequently Asked Questions
Q Does the JT-AT2004BII require an external 24V power supply?
No. The JT-AT2004BII features a unique 2-wire design that integrates both power supply and signal transmission into a single cable. No external 24V power source is needed, which significantly simplifies wiring and reduces overall installation costs.
Q How does temperature compensation improve detection accuracy?
The advanced temperature compensation technology automatically adjusts the detector's sensitivity and detection parameters in response to changes in ambient temperature. This ensures the device maintains consistent and accurate performance in varying environmental conditions, effectively preventing both false alarms and missed detections.
Q What does the built-in black box function record?
The built-in black box continuously logs alarm events, fault occurrences, and general operational data. This historical record provides valuable reference information for maintenance personnel, enabling faster and more accurate troubleshooting when issues arise.
Q What is the IP31 protection rating and what does it mean for everyday use?
IP31 is an international ingress protection rating indicating the device is protected against solid objects larger than 2.5mm (such as dust particles) and resistant to light water splashes. This makes the JT-AT2004BII suitable for typical kitchen and household environments where minor moisture exposure may occur.
Q Can multiple JT-AT2004BII detectors be connected together?
Yes. As a bus-type detector, the JT-AT2004BII supports multi-unit connectivity, allowing several detectors to be linked together on a single bus line for centralized monitoring. This makes it an excellent solution for larger homes or buildings with multiple gas appliance locations.
Q How does the lifetime expiration reminder work?
The JT-AT2004BII is equipped with an automatic lifetime expiration reminder function. As the device approaches the end of its rated service life, it will automatically issue an alert, prompting users to replace the unit in a timely manner. This proactive feature helps prevent potential safety hazards associated with continued use of expired gas detection equipment.