High Accuracy Carbon Dioxide Analog CO2 Sensor 4-20mA 0-10v for Environmental Monitoring
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Detailed Product Description
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Product Description CDTH series carbon dioxide ( CO2 ) / temperature / humidity
transmitters are designed for monitoring & controlling indoor
air quality, temperature and humidity in one unit CDTHW is suitable for wall mount and CDTHD is suitable for duct mount High performance NDIR digital sensor and circuit, ensure precise measurement and temperature compensation Multiple optional RTD or thermistor sensors, compatible with a variety of control systems Stable, reliable and fast response 15 years of CO2 sensor life without maintenance All electrical terminals are on the inside bottom, avoid any
possible destroy to PCB when wiring Digital technology applied, multiple outputs optional, over voltage and reverse polarity protection, high reliability and anti-interference capability Large LCD with unit indicator( CDTHW ), display carbon dioxide (
CO2 ), temperature and humidity alternatively Specifications Carbon dioxide (CO2 ) Sensor: NDIR sensor, with ABC algorithm* Sampling Method: diffusion Accuracy: (40+3%MV) ppm Response time: <10s (30cc/min, low airflow) Drift: <±10ppm/year Range: 0~2000ppm (measure range 400~2000ppm) Output: 4~20mA, 0~10V, RS485/Modbus Temperature Sensor: Digital, RTD or thermistor, see models Range: 0~50°C Accuracy: see accuracy table Output: 4~20mA, 0~10V, RS485/Modbus or RTD / thermistor Relative Humidity Sensor: Digital polymer Range: 0~100%RH Accuracy: see accuracy table Hysteresis: <±1%RH Response time: <10s (25°C, in slow air) Drift: <±0.5%RH/year Output: 4~20mA, 0~10V, RS485/Modbus Power supply: 16~28VAC/16~35VDC Load resistance: ≤500Ω (Current output),≥2kΩ (Voltage output) Display: Optional LCD Display (CDTHW) Display resolution: 1ppm, 0.1°C, 0.1%RH Working environment: 0~50°C, 0~95%RH (Non-cond.) Temp. compensation: 0~50°C Storage temperature: -20~60°C Housing material: ABS+PC (CDTHW), fireproof ABS(CDTHD) Protection: IP30 (CDTHW), IP65 (CDTHD) Approval: CE *ABC algorithm: Automatic Baseline Correction, it constantly keeps track of the sensor's lowest reading over a few days interval and slowly corrects for any long term drift detected as compared to the expected fresh air value of 400 ppm CO2. 1. All products are factory set to 0-10V as output default, and can be set to 4-20mA by jumper on the PCB *2. See resistance table on page 1 of this catalog. Accuracy table for temperature/ humidity *When select RTD/ thermistor, total error will be 0.5°C more than the accuracy in the models Recommend Products Packing & Delivery Company Profile Founded in 2011, Beijing Ifpen Instrument Enterprise, which is
adjacent to the beautiful political and cultural center, is located
in Beijing Daxing Industrial Development Zone. Our company has a
professional, innovative technical team and a standardized
production team. Over the years, we have been achieved zero
breakthrough in turbulence jump by committing to the production and
R&D of industrial instruments and meters and focusing on the
R&D and exploration in the field of "wind speed and air
volume". After the continuous evolution of the hot ball, hot wire
and hot film principles, as well as the exclusive secondary
calibration method, we are well-known in the industry as high
precision and high stability, breaking the conventional method of
using the differential pressure principle to detect air volume in
the traditional industry and breaking through the error value of
micro wind speed measurement. IVAN has persisted in serving new and
old customers with "Innovation, Quality, Integrity" since its
foundation. "The heart of innovation, serving the world", IVAN
focuses on R&D, provides high-quality products and services,
and is committed to the quality road of production enterprises. Exhibition Certifications FAQ Q1. Why choose IVAN? A: Founded in 2011, IVAN is a leading manufacturer in the instrumentation industry, providing OEM & ODM services. Q2. Could I get sample? A: Yes, sample order is acceptable, but the sample cost and freight need to be charged. Q3. What is the term of payment? A: 100% payment in advance by T/T. Q4. What is the delivery time of IVAN? A: Generally, it will be 7-15 working days after receiving payment. Q5. How about IVAN validity of quotation? A: It is usually 30 days because the freight and exchange rates may fluctuate. Q6. What is your normal delivery way? A: Goods will be sent by DHL/FEDEX/UPS/EMS/TNT or other proposed forwarders. Q7. How about the package? A: Standard export wooden case or normal export carton. Q8. Do you test all your goods before delivery? A: Yes, we will test 100% before delivery. If you have any questions, please feel free to contact us! |
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