Lutron GCH-2018 CO2 Meter & Humidity Meter

Lutron GCH-2018 CO2, Humidity, Temperature Made in Taiwan * 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,LCD size : 52 mm x 38 mm * Data hold function for freezing the desired value on display. * Records Maximum and Minimum readings with Recall. * 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. * Response Time CO2 : < 2 min , Humidity/Dew point : 10 to 30 seconds typically. * CO2 altitude compensation setting : 0 to 9,000 meters. * Alarm setting For CO2 measurement only. * Display sampling time : Approx. 1 second * Dimension Main instrument : 173 x 68 x 42 mm CO2 Range 0 to 4,000 ppm Resolution 1 ppm Accuracy ± 40 ppm *≦ 1,000 ppm. ± 5% of reading * > 1,000 ppm ≦ 3,000 ppm. ± 250 ppm typically* > 3,000 ppm, reference only Repeatability ± 20 ppm* ≦ 3,000 ppm. Humidity Range 10 % to 95 % R.H. Resolution 0.1 % R.H. Accuracy ≧70% RH : ± (3% reading + 1% RH). < 70% RH : ± 3% RH. Temperature Range 0 ℃ to 50℃ ,32 ℉ to 122 ℉. Resolution 0.1 degree Accuracy - 0.8 ,℃ ℃ - 1.5 .℉ ℉ Dew Point ℃ Range -25.3℃ to 48.9 ℃ ℃ Resolution 0.1 ℃ ℉ Range -13.5 ℉ to 120.1 .℉ Resolution 0.1 .℉ Lutron GCH-2018, accessories yang termasuk : * Operation Manual * Kartu Certificate Calibration * CO2 probe * Humidity probe * Hard Carrying case * Batere AA ( 1.5 Volt ) 6 pcs Optional Accessories ( Tidak termasuk ) *USB-01 USB Cable *Data Acquisition software, SW-U801-WIN