NAFD-500IU

Main Product

Standard Components

Batch Components

NAFD-500IU

Fixed-type Flame Detector

Examples of Gas Detection：

Only Flame

Click for the full list of detectable gases.

Certifications

Technical Parameter

Technical Specifications	Parameter Details
Spectral Range	3.8um，4.3um，5.0um，185~260nm
Detection Principle	Infrared pyroelectric
Sensitivity	Level I, II, III, IV (default level II, highest level IV)
Explosion Protection Rating	Ex db IIC T6 Gb/Ex tb IIIC T80℃ Db
Ingress Protection (IP) Rating	IP67
Operating Voltage	24VDC（18~30VDC）
Operating Current	≤35mA
Output Signal	Passive contacts of relays
Mounting Method	Wall mounted or lifting
Response Time	＜30S
Detection Range / Detection Distance	50 meters, 0.3M * 0.3M n-hexane fire
Field of View (FOV)	90 °, 100% full cone field of view, axis ± 45 °
Cable Interface	Standard configuration with two NPT3/4 interfaces
Ambient Temperature	-40℃～+70℃
Relative Humidity	0-95% RH/no condensation
Enclosure / Housing	Powder-Coated Aluminum Alloy / Stainless Steel
Dimensions	217.5mm120mm175.5mm (including fixed brackets)
Weight	2200g（Aluminum alloy ）/4200g(SS316)

Product Features

– Advanced UV/IR composite sensing technology, multiple criteria increase detection reliability

– High-performance microprocessor and advanced numerical algorithm model

– Suppression of interference from sunlight, lightning, electric welding, artificial light sources, environment (human, etc.), thermal radiation, electromagnetic interference, mechanical vibration

– Optical non-contact detection, field-adjustable sensitivity, rich electrical interfaces for convenient configuration

– Waterproof and explosion-proof design, strong environmental adaptability

Structure & Dimension Diagram

Detectable Gases

Paid Components

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

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Address

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

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