This product is covered by ACI's Two (2) Year Limited Warranty. Learn more
Product overview
Smart Sensor, Isopropanol, 0-100% LEL, 3 SPDT Relays, NEMA 4X, 4-20mA, 2-10V, or Modbus RTU
Application
- Mechanical Rooms
- Refrigeration Plants
- Industrial Plants
- Process Monitoring
- Leak Detection
- Parking Garages
- Auto/ Truck Maintenance Facilities
- Oil and Gas Industry
Product specifications
Supply Voltage:
Q5: VDC Supply Voltage: 24 VDC nominal (+18 to 30 VDC) (AC Power must not be grounded)
Q5: VAC Supply Voltage: 24 VAC nominal (+15 to 24 VAC, AC Power must not be grounded)
B5: VDC Supply Voltage: 24 VDC nominal (+18 to 30 VDC) (AC Power can be grounded or non-grounded)
B5: 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
Analog Outputs:
Q5 ONLY: Analog: 4-20 mA, 1 to 5 VDC or 2 to 10 VDC (All Analog Output Signals require 4-Wires)
Maximum Load Resistance:
Q5 ONLY: 4-20 mA Output: 600 Ohms maximum | 1-5 VDC or 2-10 VDC: 3000 Ohms minimum
Communication Protocols:
Q5 Communication Protocols: RS-485 Modbus RTU / OptoMux (Proprietary QEL Controller Protocol)
B5 Communication Protocols: RS-485 Serial BACnet MS/TP (Master and Slave; Default: Master)
Supported Baud Rates:
Q5: 1200, 2400, 4800, 9600, 14400, 19200, 28800, 38400, 57600, 76800 Bits/Second (Default: 4800)
B5: 9600, 19200, 38400, 76800 Bits/Second (Default: 38400)
Factory Calibration Range:
See Gas Sensor Selection & Specification Table on back of data sheet
Display:
LCD Graphic Display with backlight (Displays: TWA, STEL and Concentration)
Keypad:
Three Capacitive Touch sensing keys
Relays / Contact Type / Relay Contact Ratings:
Three | SPDT (Form C) Dry Contacts | 1.0A max. @ 30 VDC or 0.3A max. @ 125 VAC (Resistive Loads)
Relay Life Expectancy:
Mechanical: 50,000,000 operations minimum @ 36,000 operations/hour
Electrical: 200,000 operations minimum @ rated load
Status LED Indication:
Two Green LEDs (Tx/Rx Communication Status); Three Red LEDs (Relays 1, 2, & 3)
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:
See Sensor Technology Type in Table on back of Product Data Sheet
Sensor Gas Types:
Combustible, Toxic Gases/Oxygen Sensor & Infrared
Coverage Area / Mounting Height:
See Gas Sensor Selection & Specification Table on back of data sheet
Sensor Life:
Toxic/Electrochemical Sensors: 2 to 3 Years, typical; Oxygen/Hydrogen Sensors: 18 months, typical
Combustible/Catalytic: 3 to 5 years, typical; CO 7 years, typical
Unit Shelf Life:
Electrochemical (Toxic) Sensors: 6 months from date of purchase
Catalytic (Combustible) Sensors: 1 year from date of purchase
Replacement Sensor Modules:
See additional on-line Product Literature or Contact ACI
Recommended Maintenance:
Combustible Sensors: Accuracy & Bump test every 3 months or as required by Code
Toxic Sensors: 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; Polycarbonate Lexan; UL94 V-0, NEMA 4, 4X, 12 and 13 (IP66)
Operating Environment:
Indoor Environment only
Enclosure Knockouts:
3/4" Knockouts (accepts 1/2" Conduit Fittings)
Operating Temperature / RH:
See Sensor Selection & Specification Table on back of data sheet | 5 to 95% RH, non-condensing
Operating Atmospheric Pressure:
14.696 psi (1.0132 bar) +/- 10%
Note: When installed @ > 3000’ above sea level, the gas transmitters must be verified for accuracy & re-calibrated as needed after installation
Storage Temperature | RH Range:
32 to 68°F (0 to 20°C) | 5 to 95% RH, non-condensing
Connections | Wire Size:
De-pluggable Screw Terminal Blocks | 16 to 24 AWG (0.2047 to 1.301 mm) Shielded Twisted Pair
Communications Cable:
Belden 9841 or Equivalent, 120 Ohms Input Impedance
Terminal Block Torque Rating:
0.37 ft-lb (0.502 Nm) Nominal
Agency Approvals:
RoHS, cETLus Listed, Safety requirement for Electrical Equipment for Measurement, Control & Laboratory
Use Part 1: CAN/CSA-22.2 No. 61010-1 Third Edition, Dated May 11, 2012;
General Requirements UL 61010-1 Third Edition, Dated May 11 2012
Q5C-CO & B5C-CO only: UL 2075 Gas & Vapor Detectors & Sensors (ETL Control# 4010204)
Product Weight:
1.00 lbs. (0454 kg)
Product Dimensions:
5.91" (150 mm) x 3.54" (90 mm) x 2.56" (65 mm)
