Pelican TS250 RevC

CO2 sensors are used to control ventilation systems and monitor indoor air quality. They can be stand-alone sensors or integrated into thermostats or air quality monitoring platforms.

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Technology Basics Application Guidance Energy & Cost Impacts

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Pelican TS250 RevC

Thermostat that measures, carbon dioxide, temperature, and humidity (TS250H) that can be used for long-term monitoring and demand control ventilation. The carbon dioxide sensor is optional.

Hub Highlights:

Does not display CO2 value on device. Display of CO2 value available on web-portal or app for authorized users.
Pelican's Connect web-app displays historical data via graphs and has configurable alarms. Free access to Pelican Connect web-app for basic system operation. Additional features available with low-cost subscription.
Excellent performance on Hub CO2 accuracy testing protocols
Integrates with other building automation systems using Pelican’s application programming interface (API). Requires an internet connection for the gateway.

Last Edited on: 3/16/2021

Model Number	TS250 and TS250H (TS250H includes humidity sensor)
Sensor Type	Non-dispersive infrared (NDIR) Manufacturer: Winsen
Power Input	24VAC
Outputs	Wifi to cloud-based interface (requires gateway)
Altitude Correction Method	None
Measurement Range	0-2,000 ppm
Reported Accuracy	±50 ppm
Display of C02 Value	Web (account required)
Uses Automatic Background Calibration (ABC)	Yes

Last Edited on: Sep 30, 2021

Model	TS250 RevC
Date of Test (including warm-up period if device uses automatic background calibration)	August 8, 2021- August 17, 2021
Sample Size	5
Error of CO2 measurement @1100 ppm (average) (ppm)	-80
Error of CO2 measurement @ 1100 ppm (standard deviation) (ppm)	23
Accuracy Metric	<±75ppm
Noise of CO2 measurement @1100 ppm (Average) (ppm)	2
CO2 Full results	See Box Plot
Operating Power for Sensor (watts)	0.69
Operating Power for Gateway (watts)	1.43
Operating Power for Sensor + Gateway (watts)	0.71
Operating Power Metric	<±1 W
Maximum Number of Sensors per Gateway	2000

Last Edited on: Sep 30, 2021

Data Collection

Sample Size

Data Source: Staff at the UC Davis Western Cooling Efficiency Center

User interface

1. Can the sensor display the CO2 level to occupants? If yes describe.

Yes - Display available through Pelican Connect web-app for authorized users

User interface

2. Can the sensor display a visual indicator to occupants that the CO2 level has exceeded a programmed threshold? If yes, describe (what does the indicator look like, what the default thresholds are, and can the threshold be changed).

Yes - Thermostat has a feature available to blink black dot on display to indicate a programmed alarm condition

Reporting capabilities

3. Can the sensor alert facilities (such as an email, text, or call phone application) when the CO2 level has exceeded a programmed threshold? If yes, describe (what does the indicator look like and can the threshold be changed).

Yes - The Pelican Connect web-app can be used to configure alerts for elevated CO2 levels that are then sent by text or email.

Integration capabilities

4. Can the CO2 sensor interface with a building automation system (BAS) or demand control ventilation (DCV) system controller? If yes, describe if integration capabilities are vendor specific.

Yes - Pelican BAS and Pelican Pearl DCV controller only

Integration capabilities

5. If sensor can interface with a BAS or DCV system controller, is additional hardware required?

Reporting Capabilities, Integration capabilities

6. How can the CO2 sensor data be logged? If proprietary software, describe (what type of account is needed, what logging intervals are available, what does it look like, and describe its capabilities including data download capabilities).

The Pelican Connect web-app allows viewing real-time and historical data via graphs. Data collection interval is automated, and resolution is appropriate for each measured parameter. Data can not be downloaded from Pelican Connect but can be output using Pelican’s application programming interface (API).

Installation

7. Does the sensor require specialized software for installation? If yes, describe.

The thermostat can be installed and will use default configurations, but it is recommended to use the Pelican Connect web-app to

Installation

8. Does the sensor require specialized training for installation? If yes, describe.

Operation

9. Does the sensor require on-going maintenance? If yes, describe.

Operation

10. Does the sensor require service contracts for ongoing data access? If yes, describe.

Free access to Pelican Connect web-app for basic system operation. Additional features available with low-cost subscription.

Miscellaneous

11. Are there any other notes about the user experience?

N/A