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JB-QBL-TX3002NL Intelligent Fire Alarm Control Panel
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TR3125 Point-type Combustible Gas Detector for Industrial and Commercial

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tr3123a point-type combustible gas detector for industrial and commercial use.png

Technical Specifications

Measurement gas: Methane, propane, isobutane, hydrogen

Measurement range: 3～100% LEL

Sampling method: Free diffusion

Alarm setting: Low limit 25% LEL, high limit 50% LEL

Working voltage: AC220V 50Hz

Power consumption: ≤2W

Output mode: 1 channel of 24V active output (100mA), 1 channel of 12V active pulse output (1s), 1 channel of contact output (DC30V/1A)

Sensor type: Catalytic combustion type

Sensor life: 3 years (typical value)

Main material: Aluminum alloy

Explosion-proof mark: ExdbIICT6Gb

Explosion-proof certificate number: CNEx22.2986X

Protection level: IP66

Operating environment: -40°C～+70°C, ≤93%RH, without condensation, 86~106kPa

Dimensions: 140*161*58mm



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Exciting News! TANDA is Coming to The Fire Safety Event 2025 in South Africa!
Exciting News! TANDA is Coming to The Fire Safety Event 2025 in South Africa!
Join us at the Fire Safety Products Exhibition in South Africa from June 3 to 6! Tanda brand invites you to explore the latest innovations in fire safety solutions. Don’t miss this opportunity to connect and learn about our advance products in the industry. We look forward to seeing you there!
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