Detail LUTRON GCH-2018 CO2 METER :
- NDIR method principal for C02 ( Carbon dioxide ) measurement, available for long term operation
- High repeatability and high accuracy
- Two probes, one is for CO2/Temp. measurement, the other probe is for humidity/Temp./Dew point measurement
- Separate probe, one is for CO2/Temp. measurement, the other probe is for humidity/Temp./Dew point measurement.
- Separate probe, easy operation and convenient for remote measurement.
- CO2 function with alarm setting
- Can set the attitude ( height ) value with default for compensation.
- Humidity measurement eith fast response time.
- Large S-TN LCD, high contrast, easy readout.
- Data hold function to freezing the desired value of display
- Records maximum and minimum readings with recall
- RS232/USB computer interface
- Microprocessor circuit assures maximum possible accuracy, provides special functions and features.
- Heavy duty and compact housing with haed carrrying case, designed for easy carry out and operation.
- Auto shut off is available to save battery life
- Power supply from batteries or DC 9V adapter in
- Circuit : Custom one-chip of microprocessor LSI circuit
- Display :
LCD size : 52×38 mm
dual function LCD display.
- Measurement : CO2 ( Carbo dioxide ), temp. Humidity, dew point, temp.
- Unit :
CO2 : ppm
Humidity : % RH
Dew point : ℃ ℉
Temp : ℃ ℉
- Response time : CO2
< 2 Min. typically
* Reach the 63% reading value
* Depend the environment air circulation
- CO2 Altitude ( Height ) value setting : 0 to 9.000 meters ( For precision measurement altitude ( height ) value for the compensation )
- Temp. compensation : Automatic temp. compensation
- Advanced setting :
Auto power off enable/disable setting
℃ ℉ setting
CO2 alarm value setting
CO2 altitude value setting
- Alarm setting : For CO2 measurement only
- Data hold : Freeze the display reading
- Memory recall : maximum and minimum value
- Display sampling time : Approx. 1 second
- Power off : Auto shut off saves battery life. Or manual off by push button
- Data output : RS 232/USB PC serial interface
* Connect the optional RS232 cable
UPCB-02 will get the RS232 plug
* Connect the optional USB cable
USB-01 will get the USB plug
- Probes no. Two probes :
* Probe 1 is for CO2 temp. measurement
* Probe 2 is for humidity, Dew point. Temp Measurement
- Operating temp : 0 to 50 ◦C
- Operating humidity :
Main instrument : Less than 85% R.H
CO2 probe : Less than 85% RH
Humidity neasurement : 0 to 95% RH
- Power supply : 1.5 V battery ( UM-3, AA ) x 6 PCs, or equivalent
- Power current :
CO2 measurement :
* Approx. DC 9.6 mA for 90% period
* Approx. DC 128 mA 10% period
Humidity measurement : Approx. DC 5.6 mA
- Weight :
Main instrument : 372g/0.82 LB ( Including battery )
CO2 probe : 158g/0..35 LB
Humidity probe : 82g/ 0.18 LB
- Dimension :
Main instrument : 173x68x42 mm
CO2 probe : 185x38x26 mm
Humidity probe : 200x23x19 mm