Product Description

Lutron GCH-2018 CO2 Meter + Humidity, Temp.

_{GCH-2018 with NDIR (nondispersive infrared sensor) CO 2} measurement principle that provides high accuracy. Comes with 2 types of probes for measuring CO ₂ , Temperature and Humidity, Temperature, Dew Point. Both types of probes work separately, giving you convenient and easy measurements. _{And with CO 2} alarm function , display data hold, automatic shutdown. With a durable, compact design with a Hard Carring Case

Features Lutron GCH-2018 CO2 Meter + Humidity, Temp.

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 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 Lutron GCH-2018 CO2 Meter + Humidity, Temp.

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.
Unit:
* CO2 ppm
* Humidity % RH
* Dew point ℃, ℉
* Temp. ℃, ℉
Response Time:
* CO2 : < 2 min. typically.
* Humidity/Dew point : 10 to 30 seconds typically.
Temperature Compensation: Automatic temp. compensation.
Advanced setting:
* CO2 altitude value setting
* CO2 alarrm value setting
* ℃ ℉/ setting
* Auto power off enable/disable setting
Alarm setting: For CO2 measurement only.
Data Hold: Freeze the display reading.
Memory Recall: Maximum & 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 PC serial interface.
Probes no.: Two probes
* Probe 1 is for CO2, Temp. measurement.
* Probe 2 is for Humidity, Dew point. Temp. measurement.
Operating Temperature: 0 to 50 .
Operating Humidity:
* Main instrument : Less than 85% R.H.
* C02 probe : Less than 85% R.H.
* Humidity probe : 0 to 95 %RH.
Power Supply: DC 1.5 V battery ( UM4, AAA ) x 6 PCs, or equivalent.
Power Current:
* CO2 measurement
º Approx. DC 9.6 mA for 90% period.
º Approx. DC 128 mA for 10% period.
* Humidity measurement: Approx. DC 5.6 mA.
Weight:
* Main instrument : 312 g/0.68 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