Specifications for MINI-PAM-II

All specifications are subject to change without prior notice.

Optoelectronic Unit MINI-PAM-II/B (BLUE Version)

Measuring light: Blue (470 nm) LED, standard modulation frequencies 5 to 25 Hz adjustable in increments of 5 Hz and 100 Hz, measuring light PAR at standard settings = 0.05 μmol m-2 s-1. Fluorescence at wavelengths greater than 630 nm is measured

Actinic light: Same blue LED as for measuring light, maximum actinic PAR = 3000 μmol m-2 s-1, maximum PAR of saturation pulses = 6000 μmol m-2 s-1 adjustable at increments of 500 μmol m-2 s-1

Optoelectronic Unit MINI-PAM-II/R (RED Version)

Measuring light: Red (655 nm) LED, modulation frequencies and PAR as described for MINI-PAM-II/B. Fluorescence at wavelengths greater than 700 nm is measured

Actinic light: Same red LED as for measuring light, maximum PAR of actinic light and saturation pulses as described for MINI-PAM-II/B

Optoelectronic Unit MINI-PAM-II/B & MINI-PAM-II/R

Far red light: Peak emission at 735 nm

Signal detection: PIN photodiode protected by long-pass and a short-pass filters

Data memory: Flash memory, 8 MB, providing memory for more than 27000 saturation pulse analyses

Display: Backlit 160 x 104 dots (78 x 61 mm) transflective B/W LCD display with resistive touchscreen

Ports: Ports for fiberoptics, USB cable, external light source, 2035-B leaf clip, auxiliaries and 12 V DC power supply

Power supply: 6 AA (Mignon) rechargeable batteries (Eneloop 1.2 V/2 Ah), providing power for up to 1000 yield measurements; 6 spare batteries, automatic power/off, battery charger (100 to 240 V AC, 50-60 Hz, 0.35 A) for 1 to 8 AA/AAA NI-MH/NI-CD batteries, 12 V 5.5 A power supply MINI PAM-II/N

Operating temperature: -5 to +45 °C (non-condensing)

Dimensions: 17.2 cm x 11.2 cm x 7.6 cm (L x W x H)

Weight: 1.5 kg (incl. batteries)

Fiberoptics MINI-PAM/F

Design: Randomized 70 μm glass fibers forming a single plastic-shielded bundle with stainless steel adapter ends

Dimensions: Active diameter 5.5 mm, outer diameter 8 mm, length 100 cm

Weight: 180 g

Power Supply MINI-PAM-II/N

Input: 100 to 240 V AC, 50 to 60 Hz

Output: 12 V DC, 5.5 A

Operating temperature: -5 to +45 °C (non-condensing)

Dimensions: 13 cm x 5.5 cm x 3 cm (L x W x H)

Weight: 350 g including cables

Battery Charger 000190101101

Input: 100 to 240 V AC, 50 to 60 Hz

Output: 12 V DC, 1.0 A

Operating temperature: -5 to +45 °C (non-condensing)

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

Weight: 300 g including cable

Distance Clip 60° 2010-A

Design: Metal clip with fiber holder and 11 mm sample hole: 5.5 cm x 1.4 cm (L x W)

Complementary Items

Sloped Plexiglas rack for convenient desktop operation. Stylus for touchscreen. Carrying strap for optoelectronic unit

Transport Case MINI-PAM-II/T

Design: Aluminum case with custom foam packing

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

Weight: 3.8 kg

Software WinControl-3

Program: 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

Saturation Pulse Analysis: Measured: Ft, F0, FM, F, F0’ (also calculated), FM’. PAR, leaf temperature and relative humidity using 2035-B Leaf-Clip Holder. Calculated: F0’ (also measured), FV/FM 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)

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

Programmed Features: Automatic determination of signal offset for all light intensities and all gain levels. Automatic calibration of internal PAR sensor against an external PAR sensor connected to the MINI-PAM-II

Communication Protocol: USB

Computer Requirements: Processor, 0.8 GHz. RAM, 512 MB. Screen resolution, 1024 x 600 pixels. Interface, USB 2.0/3.0