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The GS-N100-D is a high performance CO2 sensor that comes with a pitot sampling tube that is inserted into a duct. It is provided with tubing and an inline filter that allows the pitot tube to sample from return air ducts for DCV applications. The GS-N100-D time-tested and reliable BACnet MS/TP and Modbus RTU firmware is superior to competitive CO2 sensors. Its reliability makes it the only approved network duct mounted CO2 sensor for GreenTrol outdoor air controllers.
CO2 Measurement: Provides the CO2 level in ppm via the network connection
System Status Alarm: Yes
Baud Rate, Protocol and Addressing: DIP switch
End of Line Termination: Jumper
Important: Modification of the factory default settings requires that power is cycled to the device. It is recommended that each device is bench configured prior to installation OR settings are provided at the time of order so that the device can be factory configured prior to shipment.
Technology: Telaire Non Dispersive Infrared (NDIR)
Range: 400 to 2,000 ppm
Sampling Method: Duct mounted pitot tube provided with two 3 foot tubes and inline filter
Required Duct Velocity: 300 to 1,500 FPM [1.52 to 7.62 m/s]
Accuracy: 400 to 1,250 ppm ±30 ppm or 3% of reading, whichever is greater 1,250 to 2,000 ppm ±5% of reading + 30 ppm
Temperature Dependence: 0.36% FS/°F [0.2% FS/°C]
Pressure Dependence: 0.33% of reading per 0.1 in. [2.54 mm] Hg
Stability: <2% of FS over life of sensor (15 year typical)
Calibration Interval: Not required when ABC logic is enabled
Response Time: <2 minutes for 90% step change typical
Signal Update: Every 4 seconds
Warmup Time: 2 minutes operational, 10 minutes to achieve maximum accuracy
Technology: Integral Bandgap PTAT
Range: 32 to 122 ⁰F [0 to 50 °C]
Accuracy: ±1.08 ⁰F [0.6 °C] @77 ⁰F [25 °C]
Temperature Dependence: 0.36% FS/°F [0.2% FS/°C]
Pressure Dependence: 0.33% of reading per 0.1 in. [2.54 mm] Hg
Resolution: 0.36 ⁰F [0.2 °C]
Calibration Interval: Not required when ABC logic in enabled
Response Time: <2 minutes for 90% step change typical
Signal Update: Every 4 seconds
Warmup Time: 2 minutes operational, 10 minutes to achieve maximum accuracy
N1
Type: Non-Isolated, field selectable MS/TP BACnet master or Modbus RTU connection (provide separate transformer to each GSN100-D or an RS-485 network isolator if isolation is required)
B.A.S. Object/Register Read/Write Access: Yes
Device Load: 1/8 load
Supported Baud Rates: 9.6, 19.2, 38.4 and 76.8 kbaud
Temperature: 32 to 122 ⁰F [0 to 50 ⁰C]
Humidity: 5 to 95%
Power Requirement: 24 VAC (22.8 to 26.4 under load) @1.5V-A
Dimensions: 6.01H x 3.57W x 1.58D in. [152.6 x 90.7 x 40.1 mm]
Pitot Tube Length: 5.4 in. [137.2 mm
