Page 67 - 2020 Catalog

AIR QUALITY

ORDERING SPECIFICATIONS

(1)
CT1 D - 3 Power Supply 12-30VDC, 50mA max / 24VAC , 100mA max.
Dual Analog 3-wire 4-20mA and 0-5V/0-10V (dip switch selectable)
(2)
Enclosure Analog Outputs Output scaling CO2 0 - 2000 (default) or 0 - 5000/10000 ppm (selectable) INDOOR AIR QUALITY
D = Duct Output Scaling Temp 32 to 122oF (0-50oC) or -40 to 140oF (-40-60oC) (Switch Select-
O = Outdoor able)
Digital Setpoint Programmable Solid-state, 1A @ 30VAC/DC, N.O.
Temperature Output
Type Non-dispersive Infrared (NDIR)
A = None ±(30ppm + 3% of reading) (400-2000ppm), -10-50ºC, 0-85%RH
B = Transmitter Accuracy ±(50ppm+ 5% of reading) (2000-5000ppm), -10-50ºC, 0-85%RH
C = 100Pt (385) Sensor Performance <5000ppm consult factory
D = 1000Pt (385) Response time 60s to 90% reading
E = 10k type 2
F= 10k type 3 Output update rate 1s CO2D Series
G = 10k type 3 w/11k shunt Operating Environment 14 to 122oF (-10 to 50ºC), 0 to 95% RH
H = 3k
I = 2k2 SPH, Setpoint, Hi (On point) 500ppm to full-scale (800ppm default)
J = 1k8 SPL, Setpoint, Lo (Off 400ppm to full-scale-50 (700ppm default)
K = 20k point)
L = 100k LCD Menu Setup SCL, Scaling 0-2000ppm (default), 0-5000ppm, 0-10000ppm
Display (LCD) Parameters ADJ, Adjustment Offset adjustment +/-250ppm (0 default)
D = Display CAL, Calibration mode Automatic mode ON or OFF (default=ON)
X= None RUN, Run mode Displays CO2 in ppm

To order replacement sensor elements, Operating Temperature 4 to 122ºF (-10 to 50oC)
please consult factory Environment Humidity 0-95% non-condensing
Material ABS/Polycarbonate
Enclosure
Dimensions 4.0’ h x 4.4”w x 2.1”d (+6.8” probe)
Agency Compliance CE, RoHS

(1) One side of transformer secondary is connected to signal common. Dedicated transformer is recommended.
(2) 15-30VDC/24VAC power supply voltage required for 10 volt output.

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