CO Sensors
High reliability
Carbon Monoxide
Transmitter/switch
QQN | 4N"7%$
Integrated setpoint relay
CO-EC-W
Industrial Wall Mount
CO-EC-D
Duct Mount
Long-life carbon monoxide sensing
▪ Ensure adequate air flow in parking lot garages
▪ Integrated display and pushbutton menus for field
selectable scale, calibration, and operational modes
▪ Dual 4-20mA and 0-5v/0-10v output (jumper selectable)
▪ Integrated high-reliability solid-state set-point relay is
ideal for direct control applications; easy to set up
thanks to LCD
▪ Conduit ready construction
Audible alarm
Selectable outputs
for compatibility
High reliability reduces call backs
▪ UL2034 recognized electrochemical sensor element
▪ 5-year, long life sensor – no consumption of sensor
active materials or electrodes
105
Replaceable long-life sensor
LCD and push button
menu for easy set-up
and readings
High accuracy for improved system performance
▪ Excellent selectivity to carbon monoxide – no false
alarms +/-2% full scale
▪ High sensitivity....accurately measure low
concentrations as typically found in parking garages
▪ Repeatability to within +/-5%
▪ Fast response time meets UL requirements
Proudly
Made in the U.S.A.
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Ph: 9464 6555
QtG
Fax: 9464
5155
CO Sensors
ORDERING
SPECIFICATIONS
Power Supply
Analog Outputs
Digital Setpoint Output
Display
12-30vdc/24vac , 100mA max.
Dual Analog 3-wire 4-20mA and 0-5v/0-10v (2) (jumper)
Output scaling 0-100ppm (default), 0-200ppm (jumper)
Programmable (10/25/35ppm) Form A, 5A@30VAC/DC
(1)
CO-ECMounting Style
3-1/2 digit LCD Indicates CO ppm, setup menu features
LED’s
D = Duct
W = Wall
Green, Yellow, Red Green = Normal, Yellow = Relay, Red = Alarm
Audible exposure alarm
90dB Piezo transducer 30 minutes above 100ppm per UL2034
Type Long-life Electrochemical
Accuracy +/-10% full scale to 200ppm
Response time 60 seconds to 90% reading
Sensor Performance
Certifications UL2034 recognized (sensor only)
Repeatability <+/-5%
Life expectancy 5 years
SP, Setpoint (Relay ON 10/25/35ppm selectable (25ppm default)
LCD Menu Setup Parameters
FC, Fan cycle time (minimum 1 to 10 minutes (3 minutes default)
RUN, Run mode Displays CO in ppm
Temperature, continous -10 to 60oC
Operating Environment
Temperature, intermittent -40 to 70oC
Humidity 5-99% RH, non-condensing
Material Polycarbonate
Enclosure
Dimensions 4.53”h x 3.55”w x 2.3”d
(1) One side of transformer secondary is connected to signal common. Dedicated transformer is recommended.
(2) 15vdc power supply voltage required for 10 volt output.
DIMENSIONS
Replacement Sensor Elements
CO- Replacement CO element
TERMINAL CONNECTIONS



100/200 PPM
5V/10V
SENSOR
DEC

SEL
INC
POWER
COMMON
V OUT
mA OUT
RELAY
RELAY
ALARM
1888
XXXTFOWBJODDPN
Ph: 9464 6555
Fax: 9464 5155
VENT
NORMAL
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