SPECIFICATIONS
CHAPTER
8
8
JUNIOR-PAM Specifications*
General
Design:
Aluminum housing with texture finish including one USB-B
and one M8 4-pole socket, a port for the JUNIOR-PAM light guide and
swiveling sample support
Light guide:
400 x 1.5 mm (length x diameter) plastic fiber
Sample Clips:
Spring leaf clip (angle between incident radiation from
JUNIOR-PAM and leaf surface, 60°) and magnetic leaf clip (angle be-
tween incident radiation from JUNIOR-PAM and leaf surface, 90°)
Power consumption:
100 mW at normal operation and 500 mW during
saturation pulse
Power supply:
5 V DC from USB voltage source
Dimensions:
112 x 60 x 31 mm (L x W x H)
Weight:
200 g
Operating temperature:
0 to +40 °C
Operating humidity range:
35 to 85% RH (avoid condensation)
Light sources
Measuring light:
Blue LED (wavelength of maximum emission: 450
nm). Two modulation frequencies (5 and 100 Hz)
Actinic light:
Blue LED (wavelength of maximum emission: 450 nm).
Photon flux densities at 1 mm distance from the tip of the 400 mm JUN-
IOR-PAM light guide: 25 to 1500 µmol photons/(m2*s), adjustable at
12 different levels
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