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| Product Name | KORNO MOT500-SO2-Y Sulfur dioxide Detector | Bosean GQ-DX101-SO2 Gas Detector |
| Product Price | $488.00 | $251.00 |
| Details | Details | |
| Model comparison | ||
| Usage Type | Fixed Online | Fixed |
| Gas Quantity | Single gas | Single gas |
| Sensor Principle | Electrochemical | Electrochemical |
| Sampling Method | Diffusion Pumped Flow-through | Diffusion |
| Detection gas | SO₂ | SO₂ |
| T90 Response Time | ≤20s | ≤30s |
| Explosion-proof | Ex d (Flameproof) | Ex d (Flameproof) |
| IP Rating | IP65 | |
| Data Output | 4-20mA RS485 Wireless | 4-20mA RS485 |
| Parameter comparison | ||
| Type | fixed | |
| Detect the amount of gas | single gas | |
| Sensor principle | electrochemistry | |
| Detect gas | Sulfur dioxide (SO2) | |
| Sampling method | Diffusion, Pump Suction | |
| Measurement Range | 0-10ppm | |
| resolution | 0.01ppm | 0.1ppm |
| Response Time | ≤ 20 seconds (T90) | <30s |
| Linearity | ≤±1% | |
| detection accuracy | ≤ +/- 3% (depending on the Sensor) | |
| Zero drift | ≤ +/- 1% (F. S/year) | |
| recovery time | ≤ 20 seconds | |
| Repeatability | ≤±1% | |
| gas expansion | Supports 1-6 Sensors (Optional) | |
| Explosion-proof certification | CNEx16.0547 | |
| Protection Rating | IP65 | |
| production license | Guangdong 00001052 (CMC metrology authentication) | |
| Humidity | Optional accessories, temperature detection Range: -25~ 60℃, Humidity detection Range: 0~ 95% RH | |
| Detection method | Diffusion, flow, pump suction optional | |
| Installation method | Wall-Mounted, Pipeline Type (Thread Size: M40X1.5mm), Flow Type | Wall-Mounted |
| Operating temperature | -30~ 50℃ (Humidity environment requires customization or optional pretreatment system) | -10~40℃ |
| Operating humidity | ≤ 95% RH, non-condensing | |
| Operating Pressure | 0 ~ 100Kpa | |
| Power Supply | 24VDC（12~30VDC） | |
| Size | 200*149*79mm(L*W*H） | |
| weight | 1.5Kg | |
| execution standard | GB3836.1-2010 "Explosive environment - Part 1: Equipment - General requirements" GB3836.2-2010 "Explosive environment - Part 2: By flameproof enclosure | |
| signal output | ① 4-20mA signal: standard 16-bit accuracy 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 yourself ④ Optional 4-20mA + Hart output ⑤ Switching signal: standard 2 sets of relays, optional third set of relays, passive touch point, capacity 220VAC 3A/24VDC 3A | 3-Wire 4~ 20mA or 4-wire RS485 |
| transmission method | ① Cable transmission: 3-core, 4-core cable, long-distance transmission (1-2 kilometers) ② TCP/IP transmission: support TCP/IP protocol, use optical fiber, network cable, long-distance real-time transmission through intranet, extranet (optional) ③ GPRS transmission: can be built-in GPRS module, real-time remote transmission of data, without distance restrictions (optional) ④ Wireless transmission: support 433Mhz, radio transmission mode, transmission distance 2-10Km, depending on different Power (optional) | |
| receiving device | User computer, control alarm, PLC, DCS, mobile phone, tablet computer, etc. are optional | |
| Alarm mode | On-site sound and light alarm, external alarm, remote controller alarm, computer data collection software alarm, mobile app notification, SMS alarm optional | |
| Alarm settings | ① Standard configuration two-level alarm, optional three-level alarm ② Gas Sensor can set two alarm modes of conventional high and low alarm and interval control, which can control the concentration Range of gas ③ Temperature sensor can set the control Range ④ Humidity Sensor can set the control Range | |
| shell material | Die casting aluminum + sand blasting oxidation/fluorocarbon paint, explosion-proof and anti-corrosion | |
| optional Range | 0-10、20、50、100、500、1000、2000ppm | |
