Product Description
The SENVA CT1D-A3X is a CO2 duct sensor that maximizes energy savings by ensuring optimal ventilation. It features a self-calibrating NDIR sensor for high accuracy and a standard solid-state setpoint relay. The probe is non-directional for accurate readings and ease of installation. Dual 4-20mA and 0-10/5 VDC outputs.
- Rugged Enclosure
- Field replaceable CO2 element for lower total lifetime cost
- LCD with menu to confirm readings
Product Highlights
This CO2 duct sensor is easy to install and maintain, has high reliability, and provides high accuracy for improved system performance.
Product Information
Standard Information
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Brand: SENVA
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Manufacturer Part Number: CT1D-A3X
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Country of Origin: USA
Technical Specifications
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Power Supply: 12-30VDC/24VAC(1), 100mA max.
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Analog Outputs: Dual Analog 3-wire 4-20mA and 0-5V/0-10V (2) (jumper)
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Output scaling: 0 - 2000 or 0 - 5000 ppm (selectable)
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Set-point Relay: Programmable Solid-state, 1A @ 30VAC/DC, N.O.
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Sensor Performance Type: Non-dispersive Infrared (NDIR)
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Accuracy (Standard): ±30ppm, ±3% of reading (400-2000ppm), @-10-50°C, 0-85%RH
±50ppm, ±5% of reading (2000-5000ppm), @-10-50°C, 0-85%RH
±100ppm, ±10% of reading (5000-10000ppm), @ 0-50°C, 0-85%RH
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Accuracy (Dual Channel): ±30ppm, ±3% of reading (400-2000ppm), @ 0-50°C, 0-85%RH
±50ppm, ±3% of reading (2000-5000ppm), @-10-50°C, 0-85%RH
±100ppm, ±10% of reading (5000-10000ppm), @ 0-50°C, 0-85%RH
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Drift with ABC disabled (standard): 35 ppm/month
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Drift with ABC disabled (Dual Channel): 5 ppm/month
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Pressure Dependency: +1% reading per kPa (0.143PSI) deviation from nominal (101kPa,14.7PSI)
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Response time: 60 seconds to 90% reading
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Sample rate: 1 second
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Output update rate: 1 second
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Element Operating Environment: 4 to 122°F (-20 to 50°C), 0 to 95% RH
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LCD Menu Setup Parameters SPH, Setpoint, Hi (On point): 500ppm to full-scale (800ppm default)
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LCD Menu Setup Parameters SPL, Setpoint, Lo (Off point): 400ppm to full-scale-50 (700ppm default)
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LCD Menu Setup Parameters SCL, Scaling: 0-2000ppm, 0-5000ppm, 0-10000ppm (2000ppm default)
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LCD Menu Setup Parameters ADJ, Adjustment: Offset adjustment +/-250ppm (0 default)
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LCD Menu Setup Parameters CAL, Calibration mode: Automatic mode ON or OFF (default=ON)
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LCD Menu Setup Parameters RUN, Run mode: Displays CO2 in ppm
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Operating Environment Temperature: 14 to 122F (-10 to 50C)
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Operating Environment Humidity: 0-95% non-condensing
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Enclosure Material: ABS/Polycarbonate
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Dimensions: 4.0’ h x 4.4’w x 2.1’d (+6.8” probe)
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Display: No
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Measurement Range: 0 - 500 ppm
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Application: Greenhouse,Laboratory,Food & Beverage,IAQ,Parking Garage,Agricultural,Transportation
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Output Signal: Voltage,Current
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Supply Voltage: 12-30VDC/24VAC (1), 100mA max.
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Digital Setpoint Output: Programmable Solid-state, 1A @ 30VAC/DC, N.O.
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Temperature: 14 to 122°F (-10 to 50°C)
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Humidity: 0-95% non-condensing
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Enclosure: ABS/Polycarbonate
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Type: Non-dispersive Infrared (NDIR)
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Accuracy: ±30ppm, ±3% of reading (400-2000ppm)
±50ppm, ±5% of reading (2000-5000ppm)
Consult Factory for accuracy above 5000ppm
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Sensor Type: Duct Mount
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Humidity Element: None
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CO2 Element: Yes
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Temperature Element: None
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VOC: No
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SKU: CT1D-A3X
