




Dwyer Instruments SL-2000-P | Conventional | 4-wire | Universal voltage | Photoelectric duct smoke detector
A duct smoke detector, such as the Series SL-2000, Model SL-2000-P, is essential for the early identification of combustion products and smoke in HVAC ducting. There are a wide range of applications for this series, including industrial, commercial, and residential ones. In addition to sounding an alarm when smoke is detected, the device is made to use relays to turn off fans and blowers. The series has all the necessary technician-friendly "No-Tools Required" characteristics to ensure quick and easy installation and maintenance.

Free UAE shipping available
- Specifications
- Features
- Downloads
Air Velocity | Range: 100 to 4000 FPM |
Ambient temperature | SL-2000-N: 32°F to 158°F (0°C to 70°C) SL-2000-P: 32°F to 140°F (0°C to 60°C) |
Approvals | cULus (UL 268A) File # S2829, CSFM Listed (3240-1004:105), MEA Accepted (73-92-E; VOL. 27) |
Connection | Electrical: Screw terminals |
Enclosure Rating | SL-2000: NEMA 1; WP-2000: NEMA 3R |
Enclosure | Grey plastic back box, clear plastic cover (Makrolon 94V-0) |
Humidity | Limit: 10-85% RH Non-condensing/Nonfreezing |
Manufacturer | Dwyer Instruments |
Power | Standby: 230 VAC (12 mA), 115 VAC (22 mA), 24 VAC (55 mA), or 24 VDC (14 mA) Alarm: 230 VAC (18 mA), 115 VAC (32mA), 24 VAC (190 mA), or 24 VDC (68 mA).Standby: 230 VAC (12 mA), 115 VAC (22 mA), 24 VAC (55 mA), or 24 VDC (14 mA) Alarm: 230 VAC (18 mA), 115 VAC (32mA), 24 VAC (190 mA), or 24 VDC (68 mA) |
Rating | Electrical: Alarm contacts: 2 sets form …"C� rated at 10 A resistive @ 115 VAC and 1 set form …"A� rated at 2 A Trouble contacts: 1 set form …"C� rated at 10 A @ 115 VAC |
Sensor Type | Photoelectric or Ionization |
Type | Duct Smoke Detector |
Weight | 2.5 lbs |
- Applications for flexible installation with velocities up to 4000 FPM.
- With the included smoke and magnet test ports and a clear cover to view the status LED, easy performance verification is provided.
- It's an easy installation that doesn't require any equipment to load or remove sampling tubes.
Related Products

Dwyer Instruments PMI-10DA-N-LCD | Particulate transmitter | PM 10 duct mount | 4-20 mA | 0-10V | LCD Display

Dwyer Instruments PMI-10DA-N-LCD | Particulate transmitter | PM 10 duct mount | 4-20 mA | 0-10V | LCD Display

Dwyer Instruments PMI-2.5DA-N-LCD | Particulate transmitter | PM 2.5 duct mount | 4-20 mA | 0-10V | LCD Display

Dwyer Instruments PMI-2.5DA-N-LCD | Particulate transmitter | PM 2.5 duct mount | 4-20 mA | 0-10V | LCD Display

Dwyer Instruments PMI-10DA-N-N | Particulate transmitter | PM 10 duct mount | 4-20 mA | 0-10V

Dwyer Instruments PMI-10DA-N-N | Particulate transmitter | PM 10 duct mount | 4-20 mA | 0-10V

Dwyer Instruments PMI-2.5DA-N-N | Particulate transmitter | PM 2.5 duct mount | 4-20 mA | 0-10V

Dwyer Instruments PMI-2.5DA-N-N | Particulate transmitter | PM 2.5 duct mount | 4-20 mA | 0-10V

Dwyer Instruments PMI-10WC-N-B | Particulate transmitter | PM 10 wall mount | 4-20 mA | 0-10V | LCD display with buttons | Modbus®

Dwyer Instruments PMI-10WC-N-B | Particulate transmitter | PM 10 wall mount | 4-20 mA | 0-10V | LCD display with buttons | Modbus®

Dwyer Instruments PMI-2.5WC-N-B | Particulate transmitter | PM 2.5 wall mount | 4-20 mA | 0-10V | LCD display with buttons and Modbus®

Dwyer Instruments PMI-2.5WC-N-B | Particulate transmitter | PM 2.5 wall mount | 4-20 mA | 0-10V | LCD display with buttons and Modbus®

Dwyer Instruments PMI-10WA-N-B | Particulate transmitter | PM 10 wall mount | 4-20 mA | 0-10V | LCD display with buttons

Dwyer Instruments PMI-10WA-N-B | Particulate transmitter | PM 10 wall mount | 4-20 mA | 0-10V | LCD display with buttons

Dwyer Instruments PMI-2.5WA-N-B | Particulate transmitter | PM 2.5 wall mount | 4-20 mA | 0-10V | LCD display with buttons

Dwyer Instruments PMI-2.5WA-N-B | Particulate transmitter | PM 2.5 wall mount | 4-20 mA | 0-10V | LCD display with buttons