WATER-PAM-II

100 V to 240 V AC, 50 to 60 Hz

12 V DC, 5.5 A

-5 to +45 °C, (non-condensing)

350 g including cables

WinControl-3 System Control and Data Acquisition Program (Microsoft Windows 10 and 11) for operation of measuring system via PC, data acquisition and analysis. Not compatible with Windows 10 on ARM

Measured: F_t, F₀, F_M, F, F₀’ (also calculated), F_M’. Depending on the leaf clip connected, the software can record PAR, temperature and also humidity. [In the case of the MINI-PAM-II clip humidity can be measured, which the clip of the JUNIOR-PAM cannot.]
Calculated: F₀’ (also measured), F_V/F_M and Y(II) (maximum and effective photochemical yield of PS II, respectively), qL, qP, qN, NPQ, Y(NPQ), Y(NO) and ETR (electron transport rate)

Two routines for determination of the cardinal points α, Ik and ETRmax of light curves

Automatic determination of signal offset for all light intensities and gain levels. Automatic calibration of internal PAR sensor against an external PAR sensor connected to the instrument

Processor: 0.8 GHz, RAM: 512 MB, screen resolution: 1024 x 600 pixels, interface: USB 2.0/3.0

USB

128 kB CMOS RAM providing memory for 4000 data sets

CMOS 80C52

2 x 24 character alphanumerical LC-display with backlight

2 x 4 touch-sensitive keys to operate the internal mode

F0, FM, FM', F, FV/FM (max. Yield), ΔF/FM' (Yield), qP, qN, NPQ, PAR (using special micro quantum sensor), ETR (i.e. PAR x ΔF/FM')

Internal rechargeable battery 12 V/2 Ah, providing power for at least 10 000 Yield measurements, automatic power off, battery charger MINI-PAM/L (100 to 240 V AC)

17.6 cm x 11.5 cm x 9.5 cm (L x W x H)

2 kg (incl. battery)

-5 to +45 °C

Drives up to three actinic LEDs

Receives signals from temperature and light sensors

Sends control signals to external LED drivers

Socket for battery charger

Up to three far-red LEDs can be driven

Capacity to drive up to three LEDs, both as measuring and actinic light sources, 12 LED intensity and 12 pulse frequency settings are available, automatic change of measuring light frequency

Provides analog signal to chart recorder

Full control of photomultiplier PM-MF

Communication with Windows Computer

WinControl-3 System Control and Data Acquisition Program (Microsoft Windows 10 and 11) for operation of measuring system via PC, data acquisition and analysis. Not compatible with Windows 10 on ARM

100 to 240 V AC, 50 to 60 Hz

12 V DC, 1.0 A

-5 to +45 °C (non-condensing)

17.5 cm x 10.5 cm x 3 cm (L x W x H)

300 g including cable

Adjustable between 24 cm and 87 cm

400 g

Metal housing with LED array, photomultiplier, pulse signal preamplifier and cables connecting to photomultiplier (PM) and AUX output sockets of PAM‑CONTROL unit.

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)

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

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.

11 cm x 9 cm x 8 cm (L x W x H)

600 g (incl. cable 0.6 m long)

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.

As Emitter-Detector-Fiberoptics Unit (red) WATER-EDF1.5R but fluorescence detection at wavelengths > 680 nm.

See Emitter-Detector-Fiberoptics Unit (red) WATER-EDF1.5R.

Aluminum case with custom foam packing

50 cm x 34 cm x 20 cm (L x W x H)

3.8 kg

Single-line handheld laser scanner with trigger button and 1 m, partially coiled cord; to be connected to the Photosynthesis Yield Analyzer MINI-PAM-II or WATER-PAM-II. Bar codes are stored together with fluorescence data

9 cm (max.) x 6 cm (max.) x 16 cm (max.) (L x W x H)

335 g

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

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)

0.01 %/K

± 5 %

error < 4 % between angles from -80° to +80° from normal axis

Typically 1.32

3 m

16 mm; diameter: 14 mm; Diffuser diameter: 5.5 mm

32 g

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.