Infrared Carbon Dioxide Detector
Carbon dioxideGas Concentration Detection Parameters | |||
l working voltage | DC24±1% | baud rate | 9600 |
l Measuring gas | Carbon dioxideGas | l Detection Principle | Infrared NDIR |
l Sampling accuracy | ±1%F.S | l response time | Less than 30S |
l Repeatability | ±1%F.S | l Working humidity | 10-95% RH, (without condensation) |
l working temperature | -30 ～ 50℃ | l Long-term drift | (=& plusmn; 1% (F.S/year) |
l Storage temperature | -40 ～ 70℃ | l Preheating time | 30S |
l Working Current | ≤50mA | l Working Pressure | 86kpa-106kpa |
l Installation mode | Fixed installation | l Guarantee Period | 1 years |
l Output interface | Varied | l Shell Material | Aluminium alloy |
l Service life | 2 years | l Outward Size l | 183 * 143 * 107mm (L * W * H) 1.5Kg (instrument net weight) |
l measuring range | See Selection Table for details. | ||
l output signal | TTL (Standard Matching)RS485，(Conventional)/4-20mA | ||
A brief introduction of CO2 gas leakage alarm device:
Carbon dioxide CO2 gas leakage alarm device
Automatic temperature compensation, zero, full range drift compensation
Automatic Protection Function against High Concentration Gas Shock
Software calibration function, users can also calibrate themselves, with three keys to achieve, simple operation
Two-wire 4-20 mA output
Application Place of Alarm Device for CO_2 Gas Leakage
Pharmaceutical research, pharmaceutical production workshop, company, environmental monitoring, school scientific research, building construction, fire alarm, sewage treatment, industrial gas process control petrochemical, chemical plant, smelter, steel plant, coal plant, thermal power plant, boiler room, waste treatment plant, tunnel construction, oil pipeline, gas filling station, land Maintenance of downstream gas pipeline, indoor air quality inspection, safety protection equipment monitoring in dangerous places, etc.
Technical parameters of CO_2 gas leakage alarm device:
Detection Gas: Carbon Dioxide Emission from Air
Detection range: 0-1500PPM
Separate rate: 0.01PPM
Working mode: Fixed continuous operation, diffusive, pipeline type, when circulating, pump and suction type is optional.
Detection error: <1%(F.S)
Response time: <10S
Output signal: current signal output 4-20MA
Alarm mode: 2-way passive node signal output, alarm point can be set.
Working environment: - 20 C~50 C (special requirements: (- 40 C~70 C)
Relative humidity: <90% RH
Working Voltage: DC12~30V
Sensor life: 3 years
Explosion-proof form: Probe transmitter and sensor are flameproof type.
Explosion-proof grade: FTD6 II CT6
Connecting cable: three-core cable (single cable diameter (> 1.5mm); shielded cable is recommended.
Connection distance: <1000m.
Protection level: IP65.
Size: 183X143X107 mm.
Weight: 1.5 Kg.
Detection gas: Carbon dioxide emissions from air
Detection range: 0-1500PPM
Resolving power: 0.01PPM
Display mode: LCD
Temperature and humidity: Selected accessories, temperature detection range: - 40 - 120 C, humidity detection range: 0 - 100% RH
Detection method: Diffusion type, flow type and pump suction type are optional Installation mode: Wall hanging and pipe type
Detection accuracy: ≤±3% Linear error: ≤±1%
Response time: Less than 20 seconds (T90) Zero drift: (=& plusmn; 1% (F.S/year)
Recovery time: Less than 20 seconds Repeatability: ≤±1%
Signal output: (1) 4-20mA signal: standard 16-bit precision 4-20mA output chip, transmission distance 1Km
(2) RS485 signal: using standard MODBUS RTU protocol, transmission distance 2Km
(3) Voltage signal: 0-5V, 0-10V output, can be set by oneself.
Pulse signal: also known as frequency signal, frequency range can be adjusted (optional)
Switching signal: Standard 2 sets of relays, optional third group of relays, relay passive contacts, capacity 220VAC 3A/24VDC 3A
Transmission mode: (1) Cable transmission: 3-core, 4-core cable, long-distance transmission (1-2 km)
GPRS transmission: can be built-in GPRS module, real-time remote transmission of data, not limited by distance (optional)
Receiving device: User computers, control alarms, PLC, DCS, etc.
Alarm mode: On-site sound and light alarm, external alarm, remote controller alarm, computer data acquisition software alarm, etc.
Alarm settings: Standard configuration of two-level alarm, three-level alarm can be selected; alarm mode can be set: conventional high-low alarm, interval control alarm.
Electrical interface: 3/4 NPT internal thread and 1/2 NPT internal thread, supporting two electrical connection modes at the same time