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Heat Detector

The Conventional heat detector uses a state of-the-art optical sensing chamber. This detector is designed to provide open area protection and to be used with most conventional fire alarm panel.

The Conventional rate of rise heat detector uses thermal component to detect the temperature changing in the environment. It can enable fire alarm when the temperaturedifference achieved the setting rate of rise temperature valuereach the setting fixed value. It has a stable and reliable workingperformance.

Two LEDs on each detector provide local 360 visible alarm Indication. They flash every six seconds indicating that power Is applied and the detector is working properly. The LEDs latch On in alarm. LEDs will be off when a trouble condition exists that the detector sensitivity is outside the listed limit. The alarm can be reset only by a momentary power interruption. The detector that initiated the alarm condition will have its red LED and relays latched until reset by panel.

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tech specifications

Model No.: 620

Operating voltage Range: 9 to 32 VDC Volts Non - polarized

Alarm current (Max): ≤ 2 mA

Start-up time: ≤ 30 s

Alarm indicator: Dual Red LEDs

Maximum Alarm Current (LED on): ≤ 55mA @ 24 VDC

Operating Humidity Range: ≤ 10% to 93% Relative Humidity Non- Condensing

Operating Temperature Range: 14°F to 120°F ( -10°C to 49°C)

Height: 2.2” (55mm) installed in base

Weight: 5.5 oz. (155g)

Adjustable Sensitivity: 1-2.5% / FT

Diameter: 4.0” (103 mm)

Reset Voltage: ≤ 3 V

Reset Time: ≤ 30 S

Thermistor Temperature: ≥80°C

Technical Data Sheet

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I always wonder how could they afford to sell such fail-proof high quality fire safety solutions at such a low price! Hats off!

— Ajay Tiwari (Superintending Engineer, QC Prasar Bharti)

Heat Detector is a fire alarm device designed to respond when the convected thermal energy of a fire increases the temperature of a heat sensitive element. The thermal mass and conductivity of the element regulate the rate flow of heat into the element. The heat detector is used to help in the reduction of property damage. It is triggered when temperature increases.

Heat Detectors measure the rate at which the air temperature changes during a fire event. Measuring the change in temperature provides a faster alarm response than measuring the temperature level in a space. The heat detector measures the change in the temperature of the space through the use of a differential pressure switch.

Two LEDs on each detector provide local 360 visible alarm Indication. They flash every six seconds indicating that power Is applied and the detector is working properly. The LEDs latch On in alarm. LEDs will be off when a trouble condition exists that the detector sensitivity is outside the listed limit. The alarm can be reset only by a momentary power interruption. The detector that initiated the alarm condition will have its red LED and relays latched until reset by panel.

Heat Detector

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