JT-JY404A2 HOUSEHOLD COMBUSTIBLE GAS DETECTOR
Product Features
▪Laser Detection: High selectivity (fingerprint-level) and antiinterference; immune to poisoning, saturation, or ethanol/acetic acid.
▪ Long-Term Protection: 5year calibrationfree lifespan with intelligent remaininglife autodetection.
▪ All-Dimensional Alarming: Instant warnings via sound/light, SMS, phone calls, and MiniProgram notifications.
▪ Smart Care: Proprietary temperature algorithm tracks usage habits and flags prolonged absences.
▪ Two-Way Intercom: Builtin noisecanceling microphone with
advanced echo cancellation.
▪ Alarm Linkage: Triggers wired/NearLink valves and exhaust fans to eliminate hazards at the source
Title
Categories: Materials, Accessory & Materials
Default Title
JT-JY404A2 HOUSEHOLD COMBUSTIBLE GAS DETECTOR
Product Features
▪Laser Detection: High selectivity (fingerprint-level) and
antiinterference; immune to poisoning, saturation, or
ethanol/acetic acid.
▪ Long-Term Protection: 5year calibrationfree lifespan with
intelligent remaininglife autodetection.
▪ All-Dimensional Alarming: Instant warnings via sound/light, SMS,
phone calls, and MiniProgram notifications.
▪ Smart Care: Proprietary temperature algorithm tracks usage habits
and flags prolonged absences.
▪ Two-Way Intercom: Builtin noisecanceling microphone with
advanced echo cancellation.
▪ Alarm Linkage: Triggers wired/NearLink valves and exhaust fans to
eliminate hazards at the source
Applications
Key Performance Specifications
Product Model
JTJY404A2
Lifespan
5 years
Target Gas
Methane (CH₄)
Operating Environment
-10~55°C, ≤96%RH (non-condensing
Sensor
Laser sensor
Operating Voltage
220V AC
Measuring Range
0100%LEL
Dimensions
98*98*37mm
Response Time
≤15s
Installation Method
Screws / Adhesive
Measurement Error
±3%LEL
Protection Level
IP30
Alarm Threshold
10%LEL
Executive Standard
GB15322.2-2019
Alarm Method
Sound & light, Voice, SMS
Connectivity
4G Cat.1
Alarm Volume
≥70dB@1m
Linkage Control
Electromagnetic valve (Wired/Wireless), Exhaust fan
