GS43/44 CO2 Transmitter(Indoor / Duct Type)
Features : Suitable for HVAC. Various installation types.
Sensor type : NDIR sensor
Measuring range : 2000 / 5000 / 10000 PPM
Output : 4 ... 20 mA + RS-485
Accuracy : ±40 or ±250 PPM ±3% of reading
IP rating : IP54(GS43) / IP64(GS44)
● Accurate and excellent long-term life cycle
● Measuring up to 10000 PPM
● Voltage or current output and optional RS-485, and display
● Free software configuration
Display | |
Display | Without backlight |
Digit | 5 digits(upon request) |
Digit height | 5.56 mm |
Input | |
Sensor type | NDIR sensor |
Measuring range | 2000 / 5000 / 10000 PPM |
Output | |
Output | 4 ... 20 mA + RS-485 |
Signal connection | 3-wire |
Sensitivity | ±1 PPM ±1% of measured value |
Load resistance | Voltage output : ≧10 KΩ |
linear accuracy (at +25°C) | 400 ... 2000 PPM : ±40 PPM ±3% of reading |
Output calibration (ZERO & SPAN) | Factory software calibration |
Warm-up time | < 2 min. ; stable time 20 mins. |
Response time(t90) | GS43: < 2 min. ; GS44 : < 6 min. |
Sampling time | About 6 sec. |
ADC default | 2000 PPM : On;5000 PPM / 10000 PPM : Off |
Environment | |
Medium | Non-aggressive gas(HVAC system) |
Operating Temp. | 0 ... 50°C |
Operating Humid. | Tarps : 0 ... 95%RH(Non-condensing) |
Storage temp. | -20 ... +60°C |
Electrical | |
Power supply | DC 12 ... 36 V & AC 24 V ±10% |
Current consumption | DC : 37 mA / AC : 70 mA |
Starting current | DC : > 200 mA / AC : > 210 mA |
Electrical connection | M12 (5P) connector with 2 m cable |
Installation | |
Installation | Indoor : Wall mount |
Protection | |
IP rating | GS43 : IP54 / GS44 : IP64 |
Electrical protection | ■ Reverse polarity |
Certification | |
Certification | CE |
Material | |
Housing | PC fire-proof(PC - 110)(UL94V-2) |
Filter for duct type | POM |
Ventilation-cloth | 2000 PPM : Non-woven |
Weight | GS43 : 126 g / GS44 : 155 g |
Monitoring air quality and saving energy / Environmental control and monitoring system / Ventilation system control for building, library, train station, supermarket, office / Agriculture, green houses, fruit and vegetable storage, mushroom farming, hatcheries and incubators
Note : Design and specifications are subject to change without notice.
Note : Please make sure the product and the device which connect with RS-485 are on common ground, avoid damaged product.