Specifications for WATER-PAM FIBER Version
Emitter-Detector-Fiberoptics Unit (red) WATER-EDF1.5R
Design: Metal housing with LED array, photomultiplier, pulse signal preamplifier and cables connecting to photomultiplier (PM) and AUX output sockets of PAM‑CONTROL unit.
LED Array: Two red measuring light LEDs (620 nm) and two red actinic light LEDs (635 nm), all equipped with a filter blocking radiation > 700 nm. 1 blue LED (460 nm) for selective excitation of photosystem I in cyanobacteria. Note: the blue LED of the WATER-EDF1.5R is controlled by the Far-Red LED switch in the WinControl-3 software. Actinic intensity up to 2000 µmol quanta m‑2 s‑1 of photosynthetically active radiation (PAR). Saturation pulse intensity up to 4000 µmol quanta m‑2 s‑1.
Dimensions: 11.5 cm x 9 cm x 5.5 cm (L x W x H)
Weight: 550 g (incl. cable 0.6 m long)
Signal detection: Photomultiplier detector based on Photosensor Module H‑6779‑01 (Hamamatsu) with high red sensitivity; featuring pulse preamplifier and automatic overload switch-off; fluorescence detection at wavelengths > 710 nm
Fiber Optics: Three 1.5 mm diameter plastic fiber optics (lengths 200 mm, 600 mm, and 1200 mm) for connection with the emitter-detector box are supplied.
Dimensions: 11 cm x 9 cm x 8 cm (L x W x H)
Weight: 600 g (incl. cable 0.6 m long)
Emitter-Detector-Fiberoptics Unit (blue) WATER-EDF1.5B
LED Array: Two blue measuring light LEDs (460 nm) and two blue actinic light LEDs (460 nm). One far red LED (730 nm) for selective excitation of photosystem I in non-cyanobacterial photosynthetic organisms. Actinic intensity up to 2000 µmol quanta m‑2 s‑1 of photosynthetically active radiation (PAR). Saturation pulse intensity up to 4000 µmol quanta m‑2 s‑1.
Signal detection: As Emitter-Detector-Fiberoptics Unit (red) WATER-EDF1.5R but fluorescence detection at wavelengths > 680 nm.
Other specifications: See Emitter-Detector-Fiberoptics Unit (red) WATER-EDF1.5R.
Compact Tripod ST-2101A
Height: Adjustable between 24 cm and 87 cm
Weight: 400 g
Accessory
Cosine Corrected Mini Quantum Sensor US-MQS/WB
Design: Cosine-response mini quantum sensor for selective measurement of photosynthetically active radiation (PAR, 400 – 700 nm) with Perspex diffuser disk as light entrance and signal amplifier box
Signal detection: High stability silicone photovoltaic detector with filter set providing equal response to photon fluxes across the PAR spectral range. The typical signal output of the detector is 2 μA / (1000 μmol m‑2 s‑1)
Temperature coefficient of photodiode: 0.01 %/K
Absolute calibration: ± 5 %
Angular dependence: error < 4 % between angles from -80° to +80° from normal axis
Immersion coefficient: Typically 1.32
Cable length: 3 m
Size: Height: 16 mm; diameter: 14 mm; Diffuser diameter: 5.5 mm
Weight: 32 g
Amplifier box: Two amplification ranges (0 to 1000 and 0 to 20,000 μmol m‑2 s‑1, each range corresponding to 0 to 2.5 V DC). To be connected to the Leaf Clip Holder 2030-B port of the PAM-CONTROL unit. Power provided by the PAM-CONTOL unit. Dimensions: 5 cm x 3 cm x 5 (W x H x D). Weight: 200 g.