On- Line LEL Gas Detector
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On- Line LEL gas detector product description:
online type epoxy ethane gas detector, On- Line LEL gas concentration and gas for use in a variety of environments in real-time and accurate leak detection, imported electrochemical sensor and microcontroller technology. Fast response speed, high accuracy, stability and repeatability. The explosion-proof connection mode is suitable for all kinds of dangerous places, and is compatible with various control alarm PLC, DCS, and other control system, can realize the scene alarm and alarm in advance, 4-20mA/RS4 standard signal output, relay switch output display; perfect the technical index and gas concentration value; at the same time has a strong variety of circuit protection function, effectively prevent various man-made factors, lead to uncontrollable factors damage the instrument.
On- Line LEL gas detector product characteristics:
Product model | HNAG1000-EX-L | ||
Product Texting | Testing On- Line EX in air | ||
Sensor type | Electro -chemical sensor | ||
Tested reagents | 0-LEL | ||
Resolution | 0.1%LEL | ||
Display mode | LCD display | ||
Temperature | Wet degree accessories, Temperature measuring range: -40 to 70 DEG C,Humidity detection range: 0-RH | ||
Detection accuracy | diffusion, circulation, pump suction | Optional installation | wall hanging, pipe type |
Detection accuracy | ≤±2% | Linear error | ≤±2% |
Response time | ≤3s（T90） | Zero drift | ≤±2%（F.S/years） |
Signal output | ① 4-20mA signal: 16 bit precision 4-20mA chip output standard, the transmission distance of 1Km ② The RS4 signal: using standard MODBUS RTU protocol, the transmission distance of 2Km | ||
| ③ The voltage signal: 0-5V, 0-10V output, can be set.The: also known as the pulse signal frequency signal, the frequency range of adjustable（optional） ④ The switch signal: standard 2 optional relay, third relay, passive relay contact capacity, 220VAC 3A/24VDC 3A | ||
Transmission mode | ① Cable transmission: 3 core, 4 core cable, long-distance transmission（1-2 km） ② The GPRS transmission: built-in GPRS module, real-time remote data transmission, not limited by the distance（optional） | ||
Receiving equipment | User computer, Control alarm, PLC, DCS and so on | ||
Alarm mode | On-site sound and light alarm, external alarm, remote controller alarm, computer data acquisition software, alarm and so on | ||
Alarm setting | Standard configuration, two alarm, optional three alarm, alarm can be set up: routine alarm, alarm interval control | ||
Electrical interface | 3/4 "NPT internal thread", "1/2" NPT internal thread, and supports 2 kinds of electrical connections | ||
Explosion proof mark |
ExdII CT6（flameproof） | Shell material | aluminum + sandblasting / fluorocarbon paint, corrosion and explosion proof |
Protection grade | IP66 | Temperature | －30 ～ 60℃ |
Power supply | 24VDC（12～30VDC） | Humidity | ≤95%RH，No condensation |
Size weight | 183×143×107mm（L×W×H） 1.5Kg（instrument weight） | working pressure | 0 ～ 100Kpa |
Standard parts | Manual, certificate, | warranty period | 2Years |