TARGAS-1 Operation Manual V. 1.02
17
powered by a powerful, internal rechargeable Li-Ion battery providing up to 10 hour continuous operation
in the field.
The gas analyzers should not require frequent calibration, although we do recommend frequent checks to
confirm system integrity.
PLC5 Leaf Cuvette
The PLC5 Leaf Cuvette is extremely versatile and light weight (0.7 kg)
making it ideal for measurement on a wide variety of vegetation
including broad leaves, narrow leaves, grasses and small needle
conifers. It includes sensors for measurement of air temperature and
PAR. All cuvette materials are carefully selected to minimize
influences such as infrared radiation, water sorption, CO
2
effects and
leaks. The leaf gaskets provide an air-tight seal without causing
damage to vegetation.
Light Unit (Optional)
The light unit is a low power LED based source for light control (light
response curves) or for use on cloudy days. The light unit clips onto
the PLC5 Leaf Cuvette head and can easily be removed for
measurement under ambient conditions.
•
Type: LED (white)
•
Measurement Range: 0-2500 µmol m
-2
s
-1
External Sensors/Chambers for Use with TARGAS-1
The following sensors/chambers are external to the TARGAS-1 and electrical connection is made to the
Probe Ports (Probe 1 and/or Probe 2) located on the back of the TARGAS-1. See Probe Port Settings on
page 61 for more information for proper connection. Gas connections are made to the “Gas In” and “Gas
Out” ports on the back of the TARGAS-1 as described for each chamber and sensor below.
Quantum Sensor
An optional quantum sensor (Apogee Instruments) is available for use with the TARGAS-1 for accurate
measurement of PAR (Photosynthetically Active Radiation) and it is specifically calibrated for use in
sunlight conditions. The sensor housing features a fully potted, dome-shaped head, making the sensor
fully weatherproof for self-cleaning.
Never use an abrasive material or cleaner on the diffuser
.
•
Range: 0-3000 µmol m
-2
s
-1
•
Calibration Uncertainty: ± 5%
