This series of gas detectors adopts intelligent gas sensors with high precision, good sensitivity and continuous online monitoring capability. The overall structure is made of aluminum alloy, which meets the national explosion-proof standard. Data transmission is carried out through wired mode, which supports the real-time status display of monitoring and management software at the remote end. A wireless module can also be selected to transmit real-time monitoring data and alarm status to the command center.
Product features:
◆ 2.3-inch full-color display large screen, high brightness, fine details, simple and user-friendly display interface, intuitive observation, and convenient operation.
◆ Embedded 32-bit high-performance processor, high detection accuracy, strong computing power, and quick response;
◆ Power-on self-test function, detects the working status of each sensor and system, and displays it in real time. Intelligent temperature and humidity and zero point compensation algorithm, full software automatic calibration function for more than 2* target points, to ensure the accuracy of measurement results; ◆
Using high-performance intelligent sensors, good stability, long life, up to 2-3 years or more
◆ Supports power supply two-bus mode, only two lines are needed to realize power supply and RS485 communication, which is convenient for wiring and reduces costs;
◆ With infrared remote control setting function, menu setting can be performed through the remote control, which is safe and convenient;
◆ Supports current loop, voltage, Multiple methods of real-time data transmission such as RS485 can accurately issue local and remote wireless alarm notifications in various alarm modes
Support free setting of various concentration units, such as PPM and mg/m3, %VOL and mg/L,** Convenience; ◆ It has the function of automatic
data storage, which can set the storage parameters, and the data is marked with accurate date and time;
◆ Supports short-distance wireless transmission or GPRS wireless transmission with unlimited distance anywhere, optional built-in wireless module for realization
The body is made of high-strength aluminum profile, one-time die-casting, suitable for complex and harsh industrial environments;
technical parameters
Detect combustible gases in the air, volatile flammable and explosive gases, toxic and harmful gases, etc.
Measuring range Catalytic combustion, electrochemical, semiconductor, infrared, a variety of range options Sampling
method free diffusion, online continuous detection
Display method 2.3-inch TFT full-color large screen
Indication error ≤ ± 3% FS
repeatability ≤ ± 1 %
Response time Catalytic combustion type T90<30s
electrochemical type, semiconductor T90<60s
infrared type T90<90s
recovery time ≤30 seconds higher requirements according to sensor performance
Power supply DC24V
power supply mode (optional) The detector supports 24-36V DC power supply, 220V mains power supply, solar panel power supply, bus power supply several ways: 220V power supply mode, realized by a special module, lightning protection, short circuit protection, self-recovery after protection; solar panel power supply: used by unattended, usually in coal mines The ground on the ground is unsupervised and it is not easy to use it;
power ≤ 3 W (DC24V)
ambient pressure 86kPa ~ 106kPa
working temperature -20°C ~ +70°C (typical value)
working humidity 10% ~ 95%RH (no Condensation)
Main material ①Shell: aluminum alloy, wear-resistant and corrosion-resistant, stainless steel shell can be selected for complex and harsh environments, ABS plastic shell can be selected for non-explosion-proof environments); ②Gas chamber: high-strength wear-resistant and corrosion-resistant aluminum
profiles , sturdy and durable, stainless steel air chamber can be selected for complex and harsh environments.
Output signal ②Support power supply two buses, RS485 signal output;
①Three-wire 4-20mA current loop signal output;
③1 set of relay alarm switch output: passive contact, capacity 30V 3A, 250VAC 3A;
④Voltage signal output: 0- 5V, 0-10V signal output (optional);
signal transmission method
② two-core, three-core (four-core) shielded cable transmission: the farthest transmission distance is 1000 meters to 2000 meters;
② network port TCP/IP transmission: support TCP/ IP protocol, can be transmitted within 90 meters by network cable, long-distance real-time transmission through networking
③ optical fiber transmission: the longest transmission can be 20 km to 40 km optical cable single-mode multi-core transmission, must be equipped with optical fiber MODEM), can be networked
④ LORA wireless transmission: transmission The distance is 0 to 2 kilometers, depending on the transmission power and the site environment (optional);
⑤GPRS wireless transmission: no distance limit, built-in module, through mobile, China Unicom or telecommunication signal transmission, can be equipped with SMS reminder notification function Sound and light alarm alarm
mode , Optional sound and light alarm, alarm sound: > 80 decibels
Application standard GB15322.1-2019
alarm value setting high alarm value, low alarm value setting
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