Specifications for MONITORING-PAM TERRESTRIAL Versions
ONLINE Configuration
Measuring Head MONI-HEAD/485
General Design
Housing: Water-tight aluminum cylinder with one end featuring a ball lens for focusing modulated measuring light, actinic light and saturating light pulses on the sample, and collecting fluorescence. Opposite end of tube: M12 5-pole socket for RS485/power line
Sample clip: Consisting of 2 aluminum frames (3.5 x 2.5 cm), held together by a special O-ring, and mounted at a distance of 2.5 cm from the MONI-HEAD/485 optical window. Angle between optical axis of the MONI-HEAD/485 and sample clip plane: 120°
Cables: Data/power cable, 10 m standard length (between MONI-HEAD/485 and MONI-IB4/LAN, MONI-HEAD/485 and MONI-DA, or MONI-DA and MONI-IB1)
Dimensions: Cylinder with diameter of 3 cm and length of 18 cm
Power consumption: Peak loads during saturating pulses 7 W. During measuring mode 0.1 W
Operating temperature: -15 to +40 °C
Weight: 165 g
Light Emission
Modulated fluorescence excitation: Blue power LED (typical peak wavelength 470 nm, full width at half maximum 22 nm). Photosynthetically active radiation (PAR) of measuring light at level of the sample clip range from 0.15 to 1.5 μmol m-2 s-1 at low modulation frequencies (5 to 25 Hz), and from 1.5 to 22.5 μmol m-2 s-1 at high modulation frequency (100 Hz)
Actinic light: Same power LED as for modulated light. At level of sample clip, maximum photosynthetically active radiation of actinic light and saturating flashes of 1500 and more than 8500 μmol m-2 s-1
Sensors
Fluorescence: PIN-photodiode protected by longpass filter (50% transmittance at 645 nm). Selective window amplifier to measure pulse amplitude modulated (PAM) fluorescence
Photosynthetically active radiation (PAR): Integrated quantum sensor (photodiode protected by near infrared filters) measuring the radiation reflected by a 1.3 x 0.7 cm area of an optically diffuse Teflon sheet, 1 mm thick, mounted at the edge of the leaf clip
Temperature: Integrated-circuit temperature sensor on circuit board
PC Interface Box MONI-IB4/LAN
Housing: Aluminum case with RS-232, USB-B, Ethernet, power supply sockets, and four M12 5-pole sockets for RS-485 communication
Interfacing: The interface box connects a computer with up to four MONI-HEAD/485 (or one MONI-DA). RS-485 serial data communication is used between interface box and MONI-HEAD/485 or MONI-DA. RS232, USB or Ethernet communication is used between interface box and computer
Recommended maximum cable lengths: To computer via USB and RS-232: 2 m. To computer via Ethernet, 100 m. To MONI-HEAD/485 via RS-485: 10 m. To MONI-DA via RS-485, 100 m
Dimensions: 12 x 9.3 x 3 cm (L x W x H)
Weight: 400 g
Operating temperature: 0 to +40 °C
Power supply: Input: 100 to 240 V AC, 50 to 60 Hz. Output: 19 V DC, 3.7 A. Dimensions: 13.2 x 5.8 x 3 cm (L x W x H). Weight: 310 g
Software
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 and calculated parameters: F0, FM, FM', F, F0' (calculated), FV/FM (max. Yield), ΔF/FM' (Yield), qP, qN, qL, NPQ, Y(NPQ), Y(NO), ETR (i.e. PAR x ΔF/FM'), PAR and °C. Two different fitting routines for ETR versus light intensity curves
Computer Minimum Requirements
Processor, 1 GHz. RAM, 1 GB. Hard disc space, 1GB. Screen resolution, 800 x 600 pixels. Interface, USB 1.1/2.0/3.0, RS-232, or Ethernet. Operating system: Microsoft Windows 10 and 11
Transport Box
Design: Aluminum box with custom foam packing for MONITORING-PAM
Dimensions: 60 cm x 40 cm x 25 cm (L x W x H); 42 liter
Weight: 4.7 kg
STAND-ALONE Configuration
Measuring Head MONI-HEAD/485
As described for ONLINE configuration of TERRESTRIAL version
Data Acquisition System MONI-DA
Housing: Robust water-proof cylinder consisting of a polyvinyl chloride (PVC) tube and poly-oxymethylene (POM) endplates. One endplate with 2 male M12 5-pole sockets connected in parallel (MONI-IB4/LAN communication, charging voltage), one male M12 5-pole socket for auxiliaries, and 7 female M12 5-pole sockets (MONI-HEAD/485 communication)
Dimensions: Cylinder with diameter of 16 cm and length of 24 cm
Data management: Dual data storage on internal 8 MByte circular flash buffer and an industrial grade 512 MByte removable microSD flash card. Wireless data transfer via WiFi or satellite modem. Online data transfer using RS-485 serial data communication.
Power consumption: 5 mW in standby mode. Operating mode, depends on the number of MONIHEAD/485 connected (see MONI-HEAD/485 power consumption)
Battery: 12 V / 7.5 Ah (96 Wh) LiFePO4 battery.
Operating temperature: -30 to +60 °C
Weight: 5.4 kg
Transport Box
Design: Aluminum box with custom foam packing for MONITORING-PAM including MONI-DA
Dimensions: 80 cm x 40 cm x 34 cm (L x W x H); 60 liter
Weight: 4.9 kg
PC Interface Box MONI-IB1
Housing: Aluminum case with USB-B socket, power supply socket, and M12 5-pole socket for RS-485 communication
Links: The interface box connects a computer with a MONI-DA using RS-485 serial data communication. The same line is used to charge the MONI-DA battery. USB communication is used between interface box and computer
Recommended maximum cable lengths: To computer via USB: 2 m. To MONI-DA via RS-485,
100 m
Dimensions: 9.7 x 6.3 x 3.5 cm (L x W x H)
Weight: 270 g
Operating temperature: 0 to +40 °C
Solar Panel MONI-SP
Design: Polycrystalline silicon panel. Highly resistant to water, abrasion, hail impact and other severe weather conditions. Equipped with a 4 m cable and plug for the AUX or INPUT socket of the Data Acquisition System MONI-DA. Several panels can be connected in parallel to provide sufficient power under conditions of low insolation
Electrical characteristics: Vmax, 15.0 V, Imax, 0.63 A (at 1000 W/m2 sunlight). VOC, 19.6 V. ISC, 0.80 A
Dimensions: 50 x 35 cm (L x W)
Weight: 1.2 kg (incl. cable and plug)
Fluorometer Software and Computer Minimum Requirements
As described for ONLINE configuration of TERRESTRIAL version
Accessories for STAND-ALONE Configuration
Four-Way Distributor MICRO-HUB
Housing: Aluminum case with one M12 5-pole socket to connect the MONI-DA data acquisition system and four M12 5-pole sockets to connect MONI-HEAD/485 Measuring Heads
Links: The interface box connects up to four MICRO-HEAD/3B Measuring Heads to one single MONI-BUS port of a MONI-DA data acquisition system
Recommended maximum cable lengths: 10 m between MICRO-HEAD/3B and MICRO-HUB, and between MICRO-HUB and MONI-DA
Dimensions: 10 x 6 x 3.5 cm (L x W x H)
Weight: 228 g
Operating temperature: -30 to +40 °C
WiFi Modem MONI-DA/WIFI
Design: Weatherproof cylinder made of POM (Polyoxymethylene) containing a standard WiFi modul. One endplate made of POM, the other endplate made of Plexiglas with 5-pole M12 plug connector. Includes a 10 m cable to connect the modem to the AUX port of the MONI-DA. Data transfer requires connection to a compatible WiFi network or hotspot (2.4 GHz, IEEE 802.11 b/g/n, WPA2-PSK)
Dimensions: 19.5 cm (L) 3.27 cm (Ø)
Weight: 140 g (modem), 320 g (cable)
Satellite Modem
Specification depend on available electronic components at the time of order