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Xtester-TG9 Duct Air Quality CO2 TVOC Transmitter
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| Real time detect carbon dioxide plus tvoc (mix gases) of the air duct, also optional temperature and relative humidity. A smart sensor probe with the water-proof and porous film can be easily installed into any air duct. LCD display is available if required. It provides one, two or three 0-10V / 4-20mA linear outputs. The end user can adjust CO2 range which correspond with the analog outputs via Modbus RS485, also can preset the inverse proportion liner outputs for some different applications. |
FEATURES
| Real time carbon dioxide detection in air duct High accuracy temperature and relative humidity with extendable air probe into air duct Equiped With the water-proof and porous film around the sensor probe Up to 3 analog linear outputs for 3 measurements Modbus RS485 interface for 4 measurements With or without LCD display CE-approval |
TECHNICAL SPECIFICATIONS
| Monitoring parameters | CO2 | Temperature | Relative humidity |
| Sensing element | Non-Dispersive Infrared Detector (NDIR) | Digital combined temperature and humidity sensor | |
| Measuring range | 0~2000ppm(default) 0~5000ppm (selectable in the order) | 0℃~50℃(32℉~122℉) (default) | 0~100%RH |
| Display Resolution | 1ppm | 0.1℃ | 0.1%RH |
| Accuracy@25℃(77℉) | ±60ppm + 3% of reading | ±0.5℃ (0℃~50℃) | ±3%RH (20%-80%RH) |
Life time | 15 years (normal) | 10 years | |
| Calibration cycle | ABC Logic Self Calibration | —— | —— |
| Response Time | <2 minutes for 90% change | <10 seconds to reach 63% | |
| Warm up time | 2 hours (first time)2 minutes (operation) | ||
Electrical Characteristics | |||
| Power supply | 24VAC/VDC | ||
| Consumption | 3.5 W max. ; 2.5 W avg. | ||
Outputs | Two or three analog outputs0~10VDC(default) or 4~20mA (selectable by jumpers) 0~5VDC (selected at place the order) | ||
| Modbus RS485 interface (optional) | RS-485 with Modbus protocol, 19200bps rate, 15KV antistatic protection, independent base address | ||
Conditions of Using and Installation | |||
| Operation conditions | 0~50℃(32~122℉); 0~95%RH, non condensing | ||
| Storage conditions | 0~50℃(32~122℉)/ 5~80%RH | ||
Weight | 320g | ||
| Installation | Fixed on the air duct with 100mm installation hole size | ||
| IP class of the housing | IP50 for no LCD IP40 for with LCD | ||
| Standard | CE-Approval | ||
