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Products NAFD-400IR
NAFD-400IR

Features

NAFD-400IRFixed flame detector

- Advanced infrared sensing technology, with 4-channel detection - Optical and non-contact detection, sensitivity adjustable, with various electrical interfaces, and configuration convenience
- High performance microprocessor and advanced mathematical algorithm model - With waterproof and explosion-proof design, strong environmental applicability
- Can effectively resist interference such as sunlight, lightning, electric welding, artificial light source, environmental (human) thermal radiation, electromagnetic interference, mechanical vibration, etc

technical specification

DETECTION PRINCIPLEInfrared pyroelectricity
SPECTRAL RANGE3.8um，4.3um，4.4um，5.0um
SENSITIVITY
Level l, Level ll, Level lll, Level lV (default Level ll, highest Level lV)
EX-PROOF CERTIFICATEEx db llC T6 Gb/Ex tb llC T80'c Db
IP LEVELIP67
WORKING VOLTAGE24V DC (18~30V DC)
WORKING ELECTRICAL CURRENT≤35mA
OUTPUT SIGNALPassive contact of relay

4~20mA (three wires)

RS485 Modbus (four wires)

24V DC output (driving sound and light alarm)

Fire bus

RESPONSE TIME<30s
DETECTION DISTANCE50 meters 0.3m*0.3m N-heptane fire
VISUAL ANGLE90°,100% full cone visual field; Central axis ± 45
CABLE INTERFACE
Comes standard with two NPT3/4"(F)interfaces
ENVIRONMENTAL TEMPERATURE-40℃~70℃
RELATIVE HUMIDITY≤95%RH/ No condensation
HOUSING MATERIAL
Aluminum alloy (surface electrostatic spraying)

INSTALLATION METHOD

Wall mounted or hoisting
OVERALL DIMENSIONS217.5mmx120mmx175.5mm(including fixed bracket)
WEIGHT2000±200g

Product structure and construction drawings

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Technical advice：400-961-3066
Sales hotline：0755-26826466
Mail：nuoan@nuoan.com

Address: Room 1301, 1401, 1501, 1601, Building C1, No. 459, Qiaokai Road, Fenghuang Community, Fenghuang Street, Guangming District, Shenzhen

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Record number:Guangdong ICP No. 17039700
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