Measurement range and technique:

CO2:

0-2000 ppm, 1 ppm resolution

Infrared gas analysis, differential open system, auto zero, automatic atmospheric pressure and temperature compensation.

H2O:

0-75 mbar, 0.1 mbar resolution

Two laser trimmed, fast response water vapor sensors.

PAR:

0-3000 μmols/m2-sec.

Silicon photocell.

Chamber temperature:

-5 to 50 degrees C.

Precision thermistor

+/- 0.2 degrees C accuracy.

Direct leaf temperature:

-5 to 50 degrees C

Self positioning microchip thermistor / Energy balance / manually positioned thermistor.

Flow rate to leaf chamber:

100 to 500 ml /min.

Gas connections:

3 mm barbed.

Warm up time:

5 minutes at 20 degrees C.

Display:

240 x 64 dot matrix super twist graphic LCD.

Recorded data:

Removable SD cards typically store 16 million sets of data on a 1Gb card.

Battery:

2.8Ah 12V lead acid battery

Up to 10 hours life between charges.

Battery charger:

Universal input voltage, Intelligent control.

Electrical outputs:

USB connection:

Mini-B.

Functions as mass storage device.

RS232 output:

9 Pin ”D” type.

User-selectable rates of up to 230,400 baud for computer or printer connection.

Environmental:

Operating temperature range:

5 to 45 degrees C.

Dimensions H x W x D:

Console: 240 x 125 x 140 mm.

Plant leaf chamber: 300 x 80 x 75 mm.

Weight:

Console: 2.4kg.

Plant leaf chamber: 0.6kg.