Senva CT1O-E3D : Outdoor Temperature/CO2 Sensor, 10K Type II Thermistor, Selectable Outputs: 4-20 mA, 0-5 VDC, or 0-10 VDC, LCD Display, 7-Year Limited Warranty

Senva CT1O-E3D : Outdoor Temperature/CO2 Sensor, 10K Type II Thermistor, Selectable Outputs: 4-20 mA, 0-5 VDC, or 0-10 VDC, LCD Display, 7-Year Limited Warranty

Featuring a gold plated dual-channel NDIR sensor for the best accuracy and the highest reliability for your outdoor or greenhouse sensing needs.  An optional built-in LCD display makes set up a snap, and a standard solid-state setpoint relay makes demand ventilation simple. Dual 4-20mA and 0-10/5 vdc outputs.  

Features

• Integrated display and push-button 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
• Non-dispersive infrared sensing element (NDIR)
• Field replaceable dual-channel CO2 sensor
• 15+ year life expectancy on CO2 sensing element
• Industry leading 7-year limited warranty on electronics; NDIR module 3 years
• ±30ppm, ±3% of reading

Specifications

Power Supply	12-30VDC/24VAC(1), 100mA max.
Dual Analog	3-wire 4-20mA and 0-5V/0-10V (2) (jumper)
Output scaling	0 - 2000 or 0 - 5000 ppm (selectable)
Digital Setpoint Output	Solid-state, 1A @ 30VAC/DC, N.O.
Sensor Performance
Type	Non-dispersive Infrared (NDIR)
Accuracy	±30ppm, ±3% of reading (400-2000ppm) ±50ppm, ±5% of reading (2000-5000ppm) Consult Factory for accuracy above 5000ppm
Response time	60 seconds to 90% reading
Output update rate	1 second
LCD Menu Setup Parameters
SPH, Setpoint, Hi (On point)	500ppm to full-scale (800ppm default)
SPL, Setpoint, Lo (Off point)	400ppm to full-scale-50 (700ppm default)
SCL, Scaling	0-2000ppm, 0-5000ppm, 0-10000ppm (2000ppm default)
ADJ, Adjustment	Offset adjustment +/-250ppm (0 default)
CAL, Calibration mode	Automatic mode ON or OFF (default=ON)
RUN, Run mode	Displays CO2 in ppm
Enclosure	ABS/Polycarbonate
Dimensions	4.0’ h x 4.4”w x 2.1”d (+6.8” probe)

 

Datasheets

	Senva CT1O CO2/Temp Duct Sensor Data Sheet
	Senva CT1O CO2/Temp Duct Sensor Installation Sheet
	Senva Dual Channel CO2 for Outdoor and Greenhouse Applications
	Senva Made In USA Certificate 2023