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QB2000 online CL2 alarm controller is consisted of alarm controller and gas detector etc; it can work together with various gas detector, is easy to fix; it realized the detection for 8, 16 or 32 physical quantity, displaying, and public alarm control. When the detected gas density in the air reaches or exceeds the preset value, the controller will give out audio-visual alarm immediately to remind you take safety precautions and start exhaust, control and start exhaust or other peripheral devices to avoid explosion, fire, toxicosis to protect the safety of life and treasures.This system applies to metallurgy, petrol, petrifaction, chemistry, light industry, coking, municipal administration, gas, pharmaceutical, sewage dealing and many other special industry and field that need proofing for fire, explosion, and toxic gas leakage.
◆high-performance sensor
◆128*64 dot matrix big screen liquid digital display
◆Chinese interface setting and operation
◆various gas mixed together to fix
◆display the detected gas density in long distance
◆high sensitivity, and quick response
◆Automatic compensation for temperature drift and time drift
◆The up and low alarm points of each channels can be set separately
◆RS485, RS232 communication port can upload data to computers
Specifications:
◆ Detection of Gas: Combustible gas / toxic gases
◆ Alarm setting: a concentration of alarm set point procedure
Two concentrations of alarm set point procedure
◆ Alarm mode: sound and light alarm
◆ Alarm volume:> 120 dB
◆ Alarm output: passive contact, capacity AC220v 5A
◆ Ambient temperature: -10 ℃ ~ 50 ℃
◆ Environment humidity: <90% non-condensing
◆ Protection grade: IP44
◆ Power supply: AC220V, 50HZ <10W
◆ Transmission distance: <1000m 1.5mm2 RVVP
◆ Size Weight: 25cmX38cmX10cm 3.0kg
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Environment Parameter
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Environment temperature:-20℃~+60℃
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Relative humidity ≤90%R.H.
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Technical Parameters
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Working voltage: 16~30VDC
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Working current: flammable gas is 120mA, others ≤50 mA
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Output signal: 4~20mA standard signal two wire type output (flammable gas uses three wire type)
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Sensor
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electrochemical sensor; flammable gas uses catalytic combustion type
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Respond Time
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T90 less than 30 seconds
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Exterior Structure
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Weight ≤900g
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Fixing Parameters
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Fixing type: wall-mounted type
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Transition cable: two core shield cable (flammable gas uses three core shield cable), section 2×1.5mm2, external diameter Ā10mm
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Transferring distant ≤1000m
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Anti-explosion Class
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Exd IICT6(used for explosion proofing);ExiaIICT4(used for intrinsic safety type)
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Protection Class
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IP66
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