Lutron GCH-2018 CO2 Meter with Humidity Probe

NDIR CO2 meter for 0 to 4,000 ppm supplied with two probes, one for CO2 and temperature and one for humidity, dew point and temperature.

Price and availability on request

NDIR method principal for CO2 (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, easy operation and convenient for remote measurement.
CO2 function with alarm setting.
Humidity measurement with fast response time.
Large S-TN LCD, high contrast, easy readout.
Data hold function for freezing the desired value on 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 & compact housing with hard carrying case, designed for easy carry out & operation.
Auto shut off is available to save battery life.
Power supply from batteries or DC 9V adapter in.

Specifications
Circuit	Custom one-chip of microprocessor LSI circuit.
Display	LCD size : 52 mm x 38 mm; dual function LCD display.
Measurement	CO2 ( Carbon dioxide ), Temp.; Humidity, Dew point, Temp.
Data Hold	Freeze the display reading.
Memory Recall	Maximum & Minimum value.
Sampling Time of Display	Approx. 1 second.
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
Power Supply	DC 1.5 V battery ( UM3, AA ) x 6 PCs, or equivalent.
Power Current	CO2 measurement; Approx. DC 9.6 mA for 90% period.; Approx. DC 128 mA for 10% period.; Humidity measurement; Approx. DC 5.6 mA.
Operating Temperature	0 to 50°C.
Operating Humidity	Main instrument : Less than 85% R.H.; C02 probe : Less than 85% R.H.; Humidity probe : 0 to 95 %RH.
Weight	Main instrument : 372 g/0.82 LB.; @ Battery is included.; CO2 probe : 158 g/0.35 LB.; Humidity probe : 82 g/0.18 LB.
Dimension	Main instrument : 173 x 68 x 42 mm(7.9 x 2.7x 1.2 inch); CO2 Probe : 185 x 38 x 26 mm; Humidity Sensor Probe : 200 x 23 x 19 mm

Accessories
Supplied with	Instruction manual:1 PC; CO2 probe:1 PC; Humidity probe:1 PC; Hard Carrying case: 1 PC
Optional	ACV to DC 9V adapter; RS232 cable, UPCB-02; USB cable, USB-01; Data Acquisition software, SW-U801-WIN

Technical details
Range	0 to 4,000 ppm
Accuracy	±40 ppm (≤1,000 ppm), ±⁠(50 ppm + 3% of reading) (1,000-3,000 ppm), reference only (>3,000 ppm)
Response Time	< 2 min (typically for 63% of reading value)
Resolution	0.1% RH
Accuracy	±3% RH (70% RH), ±⁠(3% reading + 1% RH) (≥70% RH)
Response Time	10 to 30 seconds (typically for 85% of reading value)
Range	0 to 50°C, 32 to 122°F
Resolution	0.1°C
Accuracy	±0.8°C, ±1.5°F
Range	-25.3 to 48.9°C

Specifications are from the manufacturer's published information. Confirm critical values with us or the datasheet before ordering.