Model MRI-5251H provides 190°F (88°C) fixed temperature detection for high temperature applications.
Intelligent Low Profile Detectors Features:
• Sleek, low profile design
• Detectors are equipped with a built-in analog communications module
• Smoke detectors are available with photoelectric or ionization technology
• Photoelectric detectors are available with additional fixed temperature detection
• Heat detectors are available as fixed temperature or fixed temperature with rate-of-rise detection
• Dual LEDs indicate communications and activate steady when in alarm
• Low profile base provides easy interchangeability
• Low standby current
• Rotary address switches
• Magnetic test feature
• Superior EMI protection
• Sealed against dirt, insects, and back pressure
Intelligent Low Profile Detectors Specifications:
| Voltage Range | Thermal Ratings | ||
| 15 – 32 volts DC peak | Fixed Temperature Setpoint: 135°F (57°C) Rate of Rise Detection: 15°F/min. (8.3°C/min.) High Temperature: 190°F (88°C) | ||
| Standby Current | |||
| Ion/Thermal: 150 uA @ 24 VDC (without communication, LED off) 200 uA@ 24 VDC (one communication every 5 sec. with LED enabled) |
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| Operating Temperature Range | |||
| Ion/Photo: 32°F to 120°F (0°C to 49°C) Photo with Thermal: 32°F to 100°F (0°C to 38°C) Thermal: -4°F to 100°F (-20°C to 38°C) High Temperature: -4°F to 150°F (-20°C to 66°C) Pinnacle: 32°F to 100°F (0°C to 38°C) |
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| Photo/Photo with Thermal: 250 uA @ 24 VDC (without communication, LED off) 300 uA@ 24 VDC (one communication every 5 sec. with LED enabled) |
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| Pinnacle: 230 μA @ 24VDC (without communication) 330 μA @ 24VDC (one communication every 5 sec. with LED enabled) |
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| UL Listed Velocity Range | |||
| Ion: 0 – 1200 fpm (0 – 6.1 m/sec) Photo/Photo with Thermal: 0 – 4000 fpm (0 – 20 m/sec) Pinnacle: 0 – 4000 fpm (0 – 20 m/sec) |
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| LED Current (max.) | |||
| 6.5 mA @ 24 VDC (on) | |||
| Insect Screen Hole Size | |||
| Height | |||
| Photo: 0.016 inch (0.41mm) nominal Ion: 0.035 inch (0.89mm) nominal | |||
| 2.0 inches (51 mm) 1.66 inches (42 mm) – Pinnacle |
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| Self Diagnostics (PinnacleTM) | |||
| Diameter | |||
| Initiated by control panel Activated by test magnet | |||
| 6.1 inches (155 mm) Installed in B210LP Base 4.1 inches (104 mm) Installed in B501 Base 4.0 inches (102 mm) – Pinnacle |
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| Smoke Sensitivity (PinnacleTM) | |||
| 9 levels: 0.02, 0.03, 0.05, 0.10, 0.20, 0.50, 1.00, 1.50, 2.00%/ft. obscuration (0.06, 0.10, 0.16, 0.33, 0.66, 1.65, 3.24, 4.85, 6.41%/m obscuration) |
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| Shipping Weight | |||
| Heat: 4.8 oz. (137 g) Photo/Photo with Heat: 5.2 oz. (147 g) Ion: 5.4 oz. (154 g) Pinnacle: 5.6ox. (159 g) |
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| Drift Compensation (PinnacleTM) | |||
| High sensitivity maintenance alert signal Low sensitivity maintenance alert signal Maintenance urgent signal | |||
| Relative Humidity | |||
| 10% – 93% non condensing | |||