Kolno ammonia gasDetecting alarm devices

Detecting formaldehyde gas leakage in industrial sites with sound and light alarms

Full software automatic calibration, sensor up to 6 levels of target point calibration function, ensuring accuracy and linearity of detection, and with data recovery function

Suitable for environmental monitoring, municipal gas, tobacco industry, power industry, pharmaceutical industry, water treatment industry, petrochemical industry, coal, metallurgy, etc

Kolno ammonia detection alarmTechnical parameters

Gas detection: Ammonia gas (NH3), imported high-performance electrochemical/laser ammonia gas sensor

Measurement range: 0-10, 50, 100, 200, 1000, 2000, 5000ppm optional

Resolution: 0.01ppm (0-100pm); 0.1ppm（0～1000ppm）； 1ppm (above 1000ppm)

Response time: ≤ 20 seconds (T90)

Detection accuracy: ≤± 3% (depending on the specific sensor)

Linear error: ≤± 1%

Zero drift: ≤± 2% (F.S)

Recovery time: ≤ 20 seconds

Gas Expansion: Supports 1-6 sensors (optional)

Repeatability: ≤± 1%

Explosion proof certification: CCRI 24.8021X

Protection level: IP66

Production license: Guangdong made 00001052

Temperature and humidity: optional accessories, temperature detection range: -40~120 ℃, humidity detection range: 0-100% RH

Detection methods: diffusion type, flow type, pump suction type optional

Installation methods: wall mounted, pipe mounted (thread size: M40X1.5mm), flow-through

Signal output: ① 4-20mA signal: standard 16 bit precision 4-20mA output chip, transmission distance of 1km

② RS485 signal: using standard MODBUS RTU protocol, transmission distance of 2Km

③ Voltage signal: 0-5V, 0-10V output, customizable

④ Optional 4-20mA+Hart output

⑤ Switching signal: Standard configuration includes 2 sets of relays, optional third set of relays, passive contacts, capacity 125VAC/0.3A 30VDC/1A

Transmission method: ① Cable transmission: 3-core, 4-core cable, long-distance transmission (1-2 kilometers)

② TCP/IP transmission: Supports TCP/IP protocol, utilizing fiber optic and Ethernet cables for real-time transmission over long distances via internal and external networks (optional)

③ GPRS transmission: Equipped with a built-in GPRS module, real-time remote data transmission is possible without distance limitations (optional)

④ Wireless transmission: Supports 433MHz, wireless radio transmission mode, transmission distance 2-10Km, depending on different power levels (optional)

Receiving devices: user computer, control alarm PLC、DCS、 Mobile phones, tablets, and other optional devices

Alarm methods: on-site sound and light alarm, remote controller alarm, computer data acquisition software alarm, SMS alarm optional

Alarm settings: ① Standard configuration with two-level alarms, optional three-level alarms

② The gas sensor can be set with two alarm modes: conventional high and low alarm, and interval control, which can control the concentration range of the gas

Shell material: die cast aluminum+sandblasted oxidation/fluorocarbon paint, explosion-proof and corrosion-resistant

Working environment: Working temperature -20~50 ℃ (customized or optional pre-treatment system is required for use in higher temperature and humidity environments)

Working humidity ≤ 95% RH, no condensation

Work pressure 90-110Kpa

Working power supply 24VDC (12-30VDC)

Electrical interface with 3/4 "NPT internal thread and 1/2" NPT internal thread, supporting two electrical connection methods simultaneously

Size and weight: 196 * 170 * 80mm (L × W × H) 1.5Kg (net weight)

Standard accessories: instruction manual, certificate of conformity

Execution standard: GB/T 3836.1-2021 "Explosive Atmosphere Part 1: General Requirements for Equipment"

GB/T 3836.2-2021 Explosive Atmosphere Part 2: Equipment Protected by Flameproof Enclosures "d"

GB/T 3836.31-2021 "Explosive atmospheres - Part 31: Equipment protected by dust-proof enclosures" t "