Fireboy-Xintex Fixed Heat Detector w/Base

FIREBOY-XINTEX HEAT DETECTOR WITH BASE

Fixed Heat Detector with Base

The Fireboy-Xintex Heat Detector uses a single thermistor to sense the air temperature around the detector. This heat detector was designed to detect how fast the temperature is increasing.

Features:

• 163°F Fixed Heat Detector
• Housing: White flame-retardant polycarbonate
• Terminals: Nickel-plated stainless steel
• Ideal in environments that are dirty or smoky
• Unaffected by wind or atmospheric pressure
• Remote test feature

Specifications:

• Detection Principle: Measurement of heat using a thermistor
• Sampling Frequency: Once every four seconds
• Supply Voltage: 8.5 V dc to 33 V dc
• Supply Wiring: Two wire supply, polarity sensitive
• Power-up Time: < 20 seconds
• Minimum: ‘detector active’ voltage: 6 V
• Holding Voltage: 5 V – 33 V
• Minimum Holding Current: 8 mA 
• Minimum Voltage to Light Alarm LED: 5 V 
• Alarm Reset Voltage: < 1 V 
• Alarm Reset Time: One second 
• Alarm Indicator: Integral indicator with 360º visibility
• Operating & Storage Temperature: -40ºC to +70ºC

Operation:

• Open-web casing that enables air to flow freely across a thermistor which measures the air temperature every two seconds 
• A microprocessor stores the temperatures and compares them with pre-set values to determine whether a fixed upper limit – the alarm level – has been reached
• Detectors the microprocessor uses algorithms to determine how fast the temperature is increasing

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