The Qolsys QS5517-840 IQ Heat 135 319.5MHz Heat Detector is a sensor that detects high or quickly rising temperatures. The IQ Heat 135 will notify you if the temperature exceeds 135°F (57°C) or if there is a a rate of rise of 12°F to 15°F (6.7 to 8.3°C) per minute. With the IQ Heat 135 you’ll know if there is a problem before it becomes a disaster.

SPECIFICATIONS

Rate of Rise rating: 12° to 15°F (6.7° to 8.3°C) per minute
UL Max Ambient Ceiling Temp: 100°F (37.8°C)
Storage Temperature: -30 to 167°F (-34 to 75°C)
Relative Humidity: 0 to 95% noncondensing
Maximum UL Spacing: 50ft (15.2M) x 50ft (15.2M)
Frequency: 319.5MHz (crystal-controlled)
Expected Battery Life: 10 Years
Standby Current: Less than 0.9µA
Supervision Interval: 62 – 68 minutes
Enclosure Dimensions: Diameter: 2.29” (58.25mm). Height: 1.28” (32.4mm)
Regulatory:
– UL 521 Heat Detectors for Fire Protective Signaling Systems
– UL985 Household Fire Warning System Units
– CAN/ULC-S530 Heat Actuated Fire Detectors for Fire Alarm Systems
– CSFM Category 7270
– FCC: 15.109 Class B, 15.231
– Industry Canada: ICES-003, RSS-210