Overview
Portable Gas Monitor <span style="color:#212529;">LT-GM403 </span>is engineered with explosion-proof, anti-static, and anti-EMI protection for reliable operation in hazardous environments. It supports 4–20 mA signal and voltage output with dual relay switches for easy system integration. Certified to national standards with CPA and explosion-proof approvals, it ensures stable performance. Ideal for chemical plants, oil and gas facilities, refineries, and industrial safety monitoring.
Technical Specifications
| Detected Gas | C₈H₁₀ | Detection Range | 0–10 ppm |
|---|---|---|---|
| Resolution | 0.01 ppm | Detection Principle | Electrochemical sensor |
| Detection Accuracy | ≤ ±2% F.S | Linearity | ≤ ±2% |
| Repeatability | ≤ ±2% | Uncertainty | ≤ ±2% |
| Response Time | T90 ≤ 20 s | Recovery Time | ≤ 30 s |
| Signal Output | RS485 (RTU), 4–20 mA (three/four-wire); Optional: 0–20 mA, 1–5 V, 0–5 V, 0–10 V, wireless transmission, network transmission, SMS alarm | Display | 1.7-inch high-definition color screen |
| Operating Voltage | 12–36 V DC (Standard: 24 V DC, ≥1 A) | Power Reference | 24 V, 2.1 A power supply supports up to 40 toxic gas detectors |
| Operating Mode | Fixed installation, online detection, diffusion, pipeline, flow, or pump-suction measurement | Installation Method | Wall-mounted or pipeline type |
| Alarm Method | 1-channel default, optional 2 passive contact outputs; three-level alarm with adjustable points; optional sound and light alarm | Operating Temperature | -40°C to +70°C |
| Operating Humidity | ≤10–95% RH | Protection Level | IP65 |
| Explosion-proof Grade | Exd II CT6 Gb | Dimensions | 238 × 152 × 90 mm (without alarm); 238 × 210 × 90 mm (with alarm) |
| Weight | 1.38 kg (without alarm); 1.6 kg (with alarm) |
Features & Applications
Key Features
Explosion-proof & anti-EMI
CPA certified, national standard
4–20 mA & RS485 output
Optional sound & light alarm
Wired, LAN, Internet, or wireless
433 MHz long-distance wireless
Applications
Product Details