Fixed Freon Detection and Alarm Device

ADT900W-RxFixed Freon Detection and Alarm DeviceIt is a gas detector newly created by Outit Technology on the basis of the original, using original sensors and a new 32-bit low-power processor; The dashboard display interface displays both numerical values and progress bars, presenting a beautiful and elegant appearance; The circuit adopts 4-layer wiring, which has stronger resistance to weak signals and interference; Independent high-precision imported 16 bit AD chip and signal processing algorithm, with higher and more stable measurement data accuracy; 4~20mA, RS485, 200~1000HZ multiple output signals can be selected, making it easy to connect to various alarm controllers, PLCs, DCS and other control systems; Explosion proof structural design can be applied in various hazardous industrial sites; The product is widely used in various fields such as petrochemicals, gold mining, industrial manufacturing, municipal construction, power grid, underground pipeline maintenance, papermaking, fire protection, biopharmaceuticals, university experiments, scientific research units, etc.

ADT900W-RxFixed Freon Detection and Alarm DeviceProduct Features:

High performance sensors with high measurement accuracy, good repeatability, and long service life;

Adopting an independent 16 bit AD chip and a 4-layer circuit board design, it has stronger resistance to weak signals and interference;

The dashboard display interface design features beautiful and elegant readings, reflecting humanized detail design;

◆ White, orange, and red backlight design, indicating normal and alarm status at a glance;

◆ mg/m

3. Multiple units such as ppm, VOL, and LEL can be selected when leaving the factory;

◆ Equipped with an embedded 32-bit ultra-low power processor and signal processing algorithms, it has fast response speed and stability;

◆ Automatic protection function against high concentration gas impact, with factory reset settings to prevent misoperation;

The instrument is equipped with an infrared remote control, which can be operated through the remote control without opening the cover, making it simple and convenient;

◆ Three wire system with 4-20mA, RS485, 200~1000HZ signal output options, relay output, data recovery, data storage and other functions;

Two cable entry ports for easy on-site installation;

◆ Independent chamber structure, easy sensor replacement, no need for on-site calibration;

Mechanical design, using high-quality high-strength aluminum profiles for the air chamber, wear-resistant, corrosion-resistant, and suitable for complex and harsh industrial environments. Reasonable and scientific air chamber design,

Ensure the accuracy of real-time monitoring by sensors;

The explosion-proof level is Exd II CT6, certified by the National Explosion proof Electrical Inspection Center.

Technical parameters are detailed on the next page

Technical parameters: Name description

Gas detection: Freon Rx Detection principle: Thermal conductivity principle

Detection method:

Fixed online long-term continuous detection, diffusion based detection method;

Fixed online continuous detection, using an external air pump to achieve pump suction flow detection (optional air pump);

Installation method: wall mounted, integrated pipeline (pipeline type external thread specification: M45X1.5mm, optional pipeline adapter screw joint, weldable)

Measurement range: 0-1000ppm, 0-2000ppm, 0-5000ppm Resolution: 0.1ppm (0-1000ppm)

Accuracy: ≤± 3% FS (actual concentration, higher accuracy requirements depend on sensor performance)

Operation mode: Infrared remote control for remote and close range operation, convenient setting

Repeatability: ≤± 1%

Zero drift: ≤± 1% (F.S/year)

Response time: ≤ 30 seconds (T90)

Recovery time: ≤ 30 seconds

Explosion proof mark: Exd II CT6

Protection level: IP66

Output signal:

Users can choose according to their actual on-site environmental needs, with a maximum transmission distance of 2000 meters (single core 1mm2 shielded cable)

Three wire 4-20mA current signal output, can be connected to various control systems such as alarm controllers, PLCs, DCS, etc. (standard configuration)

Digital signal RS-485 output, ModBus RTU communication protocol (optional function)

Frequency signal 200~1000Hz output (optional function)

Two sets of relay outputs: passive electric shock capacity 220VAC 0.5A or 5VDC 0.5A

Remote transmission and status alarm of detection data can be achieved through wireless module function (optional function); Can achieve Ethernet access

Main material: Shell: ADC12 aluminum alloy, sturdy, wear-resistant and corrosion-resistant (batch can choose 316 stainless steel shell)

Gas chamber: Made of high-strength, wear-resistant, and corrosion-resistant aluminum profiles, sturdy and durable (316 stainless steel gas chambers can be optionally selected for batches)

Working temperature: -30 ℃~+60 ℃ (customized for special requirements)

Working humidity: ≤ 95% RH, no condensation (humidity>90% RH, condensation can be matched with a filter)

Relative humidity: 10% to 95% RH

Power supply: 24VDC (normal operating voltage range of 12-30VDC)

Power consumption: 1.5W

Work pressure: ≤ 200Kpa Size: 180mm * 140mm * 92mm (height * width * thickness)

Weight: Approximately 1.6Kg

Execution standards: GB15322.1-2003, GB3836.1-2010, GB3836.2-2010, GB3836.4-2010

Standard configuration: host, remote control, packaging box, instruction manual, warranty card/certificate of conformity