Certifications

Technical Parameter

Technical SpecificationsParameter Details
Detection principleTDLAS
Gas detectionCH4
Detection method Open-path
Detection scope0LEL·m~1LEL·m,0LEL·m~5LEL·m
Resolving power0.01LEL·m
Accuracy±5%F.S
Detection distance5-30m (near), 30-60m (medium), 60-100m (far)
Response timeT90≤3s
Sensor lifespan≥10years
Display methodLED digital display, LED indication
Alarm methodLED optical alarm; configurable explosion-proof audible and visual alarm (optional)
Alarm valueLow alarm: 0.5 LEL·m, High alarm: 0.75 LEL·m (0~1 LEL·m)
Low alarm: 1 LEL·m, High alarm: 2 LEL·m (0~5 LEL·m)
Adjustment methodInfrared remote control
Source24V DC(15~32V DC)
Power dissipationTX<10W(MAX),RX<8W(MAX)
TX<10W(MAX),RX<8W(MAX)
Ambient temperature -40℃ ~ +70℃
Relative humidity 0~99% RH / no condensation
Output signal4~20mA (three-wire)
4~20mA + HART (optional)
RS485 Modbus (four-wire)
Three relay switch outputs (2A 30V DC)
24V DC output (for driving audible and visual alarm)
Electrical interfaceThree interfaces, M25×1.5, NPT3/4″(F), NPT1/2″(F)
External dimensions253.6mmx101mmx151mm(LxWxH)
Weight6.380KG(TX); 6.430KG(RX)
Shell materialSS316
Explosion proof signsEx db IIC T6 Gb
Ex tb ⅢC T80℃ Db
Protection levelIP68

Product Features

– TDLAS (Tunable Diode Laser Absorption Spectroscopy) technology, open-path beam measurement, large coverage area

– Optical sensing principle, short response time, high detection accuracy, long service life

– Precise laser wavelength matching, excellent gas selectivity, resistant to cross-interference from other gases

– Intelligent laser wavelength scanning, intelligent zero-point locking, zero false alarms, maintenance-free

– Real-time optical path status monitoring, eliminates condensation and icing on optical lenses, optical path obstruction alert

– Built-in reference gas cell, real-time intelligent laser diagnostics, automatic calibration, high reliability

– Strong infrared laser penetration, normal operation in heavy rain, dense fog, dust, snow and ice environments

– LED displays on-site gas concentration, LED indicates working status, integrated audible and visual alarm

– Opposing visible laser alignment indicator, convenient for installation and optical alignment of transmitter and receiver

– Explosion-proof infrared remote control, on-site remote adjustment and calibration

Structure & Dimension Diagram

Detectable Gases

Gas NameCASChemical FormulaDetection RangeDetection AccuracyResponse Time爆炸下限
浓度(V%)
Methane74-82-8CH₄0-1LELm,0-5LEL.m±5%F.ST90≤3s5.00

Paid Components

标定气室
变送器表头

Video

Nuoan Team Building | Inside Our Industrial Gas Detection Team
Nuoan Gas Detection Laboratory | Precision Testing & Quality Assurance
Gas Detector Manufacturing | Nuoan Factory Production & Assembly Line

Get in Touch

We will provide you with the most professional solution.

Address

301, 1401, 1501, 1601, Building C1, No. 459, Qiaokai Road, Fenghuang Community, Fenghuang Street, Guangming District, Shenzhen, China (518107) 

Email

sales@nuoan.com

Phone

+86 19928876242

Related Products

The products include gas sensors, gas detectors, gas alarm controllers and monitoring systems, gas analysis and pre-treatment systems,explosion-proof audio-visual alarm, flame detectors, and industrial HSE IoT.

XTQ-TDLScan100