TAKEX America Inc.

4/15 Howleys Road, Notting Hill,
VIC 3168

+61 3 9544 2477
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+61 3 9544 2477
TAKEX America Inc.
4/15 Howleys Road, Notting Hill, VIC 3168
Flame Sensors / FS-3500E



10m / 7cm Flame

The FS-3500 Flame Sensor immediately detects UV rays contained in flames to trigger a pre-recorded "flame prohibition" or "non-smoking" message output in a choice of 5 languages; English, Spanish, Japanese, Chinese and Korean. The sensor can be powered from two type-AA alkaline batteries (supplied) or hardwired (10-30VDC), and features a detachable base unit with a snap-in/out design for easy installation.


  • high sensitivity ultraviolet flame sensor
  • detachable base unit with snap-in-out sensor design
  • pre-recorded flame prohibition and non-smoking messages
  • long and short message options
  • 5 languages; English, Spanish, Japanese, Chinese, Korean
  • 80dB/1m (max)



  • Specifications
  • Downloads

Model FS-3500E
Detection system Ultraviolet rays detection (185~260nm)
Detection distance 10m (33ft) max. (7cm flame)
Detection angle 120 degrees (conically)
Detection sensitivity
Detection Sensitivity: 2 levels - H (100%), L (50%)
Detection Timer: 4 steps (1s, 3s, 6s, 15s)
Power supply Type-AA alkaline battery (LR6) 2pcs / DC3V - included
External wiring 10-30VDC (Polarized)
Battery life
Type-AA alkaline battery: Approx. 2 years (stand-by)
(Note: above figure is for reference only and not guaranteed)
Power consumption
(External DC power)
Standby: 40mA or less
Alarm: 300mA or less
Signal output
Relay contact output NO/NC selectable
Detection time plus 2 sec.
Output DC30V 0.1A
Indication: RED
Alarm: Flash during message output
low battery: flash 0.1sec every 5sec
Message • 5 languages
ENGLISH: "This is a non-smoking area. Please refrain from smoking in this area."
SPANISH: "Prohibido fumar. Abstengase de fumar en el servicio."
Flame prohibition;
ENGLISH: "Open flame is prohibited. Please refrain from using open flame in this area."
SPANISH: "Prohibido encender fuego. No se permite el uso de productos inflamables en el servicio."
Buzzer sound: PiPiPiPi
• Long/short message selectable
• Message repeat: once/twice selectable
• Volume: Mute - Max 80dB (1m from the sensor)
Relay contact output NC is issued when the sensor is detached from the base unit
Output AC/DC30V 0.1A
Wiring By terminals
Ambient temperature -10°C to +60°C (+14°F to +140°F) without condensation
(battery performance may decrease below 0°C and above 40°C)
Installation Indoor
Functions Tamper signal, Low battery indication
Appearance ABS resin (white)

Instruction Manual