This product is covered by ACI's Two (2) Year Limited Warranty. Learn more
Product overview
BACnet MSTP, Smart Sensor, Combination, Main: CO 0-250 ppm, Remote: NO2 0-10 ppm, 3 SPDT Relays, NEMA 4X
Application
- Mechanical Rooms
- Warehouses
- Refrigeration Plants
- Industrial Plants
- Process Monitoring
- Leak Detection
- Parking Garages
- Auto/Truck Maintenance Facilities
- Oil and Gas Industry
Product specifications
Supply Voltage (Q6):
VDC Supply Voltage: 24 VDC nominal (+18 to 30 VDC) (AC Power must not be grounded) VAC Supply Voltage: 24 VAC nominal (+15 to 24 VAC) (AC Power must not be grounded)
Supply Voltage (B6):
VDC Supply Voltage: 24 VDC nominal (+18 to 30 VDC) (AC Power can be grounded or non-grounded) VAC Supply Voltage: 24 VAC nominal (+15 to 24 VAC) (AC Power must not be grounded)
:
Fuse Protection:
0.750A Polyswitch; (Resets after fault is cleared & power to circuit is removed)
Supply Current / Power Consumption:
0.3A maximum | 8.4 VA
Communication Protocol:
Q6 Communication Protocols: RS-485 Modbus RTU/OptoMux (Proprietary QEL Controller Protocol) B6 Communication Protocols: RS-485 Serial BACnetTM MS/TP (Master and Slave; Default: Master)
Q6 Communication Baud Rates:
1200, 2400, 4800, 9600, 14400, 19200, 28800, 38400, 57600, 76800 Bits/Second (Default: 4800)
B6 Communication Baud Rates:
9600, 19200, 38400, 76800 Bits/Second (Default: 38400)
Factory Calibrated Ranges:
See Gas Sensor Selection & Specification Table on back of data sheet
Display:
LCD Graphic Display with backlight (Displays: TWA, STEL and Concentration)
Buzzer:
80 dB at 3.94 (10 cm), 2700 Hz (3 Programmable Tones)
Warm Up Time:
24 Hours (Allow 24 hours before calibrating sensor after installation
Sensor Type:
Main: Carbon Monoxide (CO) Remote: See Gas Sensor Selection & Specification Table on back of data sheet
Gas Types:
Combustible, Toxic Gases/Oxygen Sensor & Infrared
Coverage Area / Mounting Height:
See Gas Sensor Selection & Specification Table on back of data sheet
Life Expectancy:
Electochemical (Toxic): 2 to 3 Years, typical | Oxygen/Hydrogen (Toxic): 18 months, typical Catalytic (Combustible): 3 years, typical | CO: 7 years, typical
Unit Shelf Life:
Electrochemical (Toxic): 6 months from date of purchase Catalytic (Combustible): 1 year from date of purchase
Replacement Sensor Modules:
See additional on-line Product Literature or Contact ACI
Recommended Maintenance:
Catalytic (Combustible): Accuracy & Bump test every 3 months or as required by Code Electrochemical (Toxic): Accuracy & Bump test every 6 months or as required by Code Oxygen/Hydrogen (Toxic): Calibrate every 3 months
Enclosure Specifications (Material, Flammability, Temperature, NEMA/IP Rating):
Plastic Enclosure; Ploycarbonate Lexan; UL94 V-0, NEMA 4, 4X, 12 and 13 (IP66)
Operating Environment:
Indoor Environment only
Operating Temperature / RH:
See Sensor Selection & Specification Table on back of data sheet | 5 to 95% RH, non-condensing
Operating Pressure:
14.696 psi (1.0132 bar) +/- 10%
Storage Temperature | RH Range:
32 to 68°F (0 to 20°C) | 5 to 95% RH, non-condensing
Wiring Connections / Wire Size:
De-pluggable Screw Terminal Blocks | 16 to 24 AWG (0.2047 to 1.301 mm) Shielded Twisted Pair
Communication Wire:
Belden 9841 or Equivalent, 120 Ohms Input Impedance
Terminal Block Torque Rating:
0.37 ft-lb (0.502 Nm) Nominal
