Air Sampler
Air Sampler
Autoclave
Autoclave
Balance
Balance
Microscope
Microscope
Centrifuge
Centrifuge
Bath
Bath
Photometer
Photometer
View All Categories
Search suggestions will appear here.
Get Quote 0
Menu
Get Quote
PRODUCT CATALOG
Portable Gas Monitor LT-GM403
PORTABLE GAS MONITOR

Portable Gas Monitor LT-GM403

Portable Gas Monitor LT-GM403 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.

Explosion-proof & anti-EMI
CPA certified, national standard
4–20 mA & RS485 output
02
PRODUCT INFORMATION

Overview

Portable Gas Monitor&nbsp;<span style="color:#212529;">LT-GM403&nbsp;</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.

Portable Gas Monitor LT-GM403

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)
PRODUCT DETAILS

Features & Applications

PRODUCT BENEFITS

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

WHERE IT IS USED

Applications

It is a portable gas monitor with explosion-proof design, suitable for detecting toxic and flammable gases. It is widely used in chemical plants, oil and gas facilities, refineries, power stations, and other industrial safety monitoring environments.
PRODUCT INFORMATION

Product Details

Portable Gas Monitor LT-GM403
PORTABLE GAS MONITOR

Portable Gas Monitor LT-GM403

Request Product Information