Products NAFD-500IU
NAFD-500IU

Features

NAFD-500IUFIXED FLAME DETECTOR

- Advanced infrared and ultraviolet sensing technology, with 3-channel infrared and 1-channel ultraviolet - 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 pyroelectric, ultraviolet sensors
SPECTRAL RANGE3.8um, 4.3um, 4.4um, 5.0um, 185~260nm
SENSITIVITYLevel l, Level ll, Level lll, Level lV (default Level ll, highest Level lv)
EX-PROOF CERTIFICATEEx db llC T6 Gb/Ex tb lllc T80'c Db
IP LEVELIP67
WORKING VOLTAGE24V DC (18V~30V DC)
WORKING ELECTRICAL CURRENT≤35mA
OUTPUT SIGNAL Passive 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 ANGLE
90°, 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)/ Aluminium alloy
INSTALLATION METHOD
Wall mounted or hoisting
OVERALL DIMENSIONS
217.5mmx120mmx175.5mm(including fixed bracket)
WEIGHT2000±200g

Product structure and construction drawings

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