E-Log

The data logger for meteorological monitoring

E-log has been explicitly designed for environmental applications: it is equipped with specific inputs for a wide range of sensors and calculations of derived quantities. E-Log stores the data from the connected sensors and supports different communcation protocols both in input and output. Robust and reliable, E-Log makes measurements possible even in the most severe environments, while the 16-bit A/D converter ensures accurate and reliable data in classic meteorological, hydrological and air quality applications and – more generally – in any environmental application.

• N. 8/16 analog inputs, n.4 digital inputs,;
I• nput extension using MASTER/SLAVE configurations;
• Extremely low power consumption;
• N. 99 measurements between channels for sensor acquisition and derived quantities;
• Internal library for calculating derived quantities and mathematical calculations;
• 8MB Flash Memory;
• Modbus-RTU Master/Slave, TTY protocols;
• Model with Zig-Bee 2,4 GHz Radio for radio sensor reception and from other modules (ELO3515)
• Transmission (push) of data in ASCII format with FTP protocols;
• N. 2 RS232 ports (ELO3305);
• N. 1 RS232 port and N. 1 RS485 port (ELO3305.1);
• Digital outputs to implement external devices with programmable logics or events;
• Acquisition rate from 1 s to 12 hours;
• Elaboration rate from 1 s to 12 hours;
• Connection to the PC via RS232 (USB/Ethernet/Modem GPRS with external accessories);
• Display and keyboard.

 

Code ELO3305 ELO3515 ELO3305.1
Lsi E Log 00
Description E-Log data logger. N.12 inputs by terminal block
Inputs type Terminal block
Analog inputs N.8 differential (N. 16 single-ended)
Digital inputs N.4 (on/off or frequency/counter)
Serial Ports N.2 RS232 N.1 RS232
N.1 RS485
• Type: ZigBee
• Frequency: ISM 2.4 GHz
direct sequence channels
• Power:10 mW (+10 dBm)
Sensor’s auto-recognition NO
On/off outputs YES
Back-lit display NO
Threaded slot for tripod fixing NO
Internal battery NO
Plug for power battery charger YES
Included accessories RS232/USB adapter, RS232 cable, DIN-bar mounting RS232/USB adapter, RS232
cable, DIN-bar mounting,
adapter for RS485 cable
wires
Analog inputs Range Resolution Accuracy
(@ 25°C)
Volt -300…1200 mV 40 µV ±100 µV
±78 mV 3 µV ±35 µV
±39 mV 1.5 µV ±25 µV
Pt100 50…125°C 0.003°C ±0.05°C
-50…600°C 0.013°C ±0.11°C
Resistances 80…140 Ω 0.0013 Ω ±0.02 Ω
80…320 Ω 0.005 Ω ±0.05 Ω
0…6000 Ω 0.19 Ω ±1.5 Ω
Thermo-couples E-IPTS 68 -200…1000°C <0.1°C ±1.5°C
J-IPTS 68 -50…600°C <0.1°C ±1.2°C
J – DIN -50 … 600°C <0.1°C ±1.2°C
K-IPTS 68 -150…1350°C <0.1°C ±1.9°C
S-IPTS 68 0…1600°C 0.22°C ±4.9°C
T-IPTS 68 -200…200°C <0.1°C ±1.4°C
Inputs number N.8 differential (N.16 single-ended)
Voltage clamping ±2.5 V
ESD protections
(complies standards)
IEC 61000-4-2 Contact Discharge ±12 kV
IEC 61000-4-2 Air-Gap Discharge ±15 kV
IEC 61000-4-5 Surge 3.0 A (8/20 µs)
EMC filter X2Y filters on all inputs
Channel to
Channel crosstalk
-80 dB
Temperature error
(@-10…30°C)
300…1200 mV < ±0,01% FS
±39 mV < ±0.01% FS
±78 mV < ±0.01% FS
Digital inputs Inputs number N.4
Mode • N.2 input for sensors with optoelectronics (freq. max 10 kHz)
• N.2 Frequency input (freq. max 5 kHz)
• N.4 Logic state input ON/OFF (they acquire signals 0 … 3 Vdc)
Max input freq. 5 kHz
Accuracy 3 Hz @ 5 kHz
Protections
(power)
Peak pulse power:
• 600 W (10/1000 μs)
• 4 kW (8/20 μs)
Protections
(complies standards)
IEC 61000-4-2 level 4:
• 15 kV (air discharge)
• 8 kV (contact discharge)
IEC 61000-4-5
MIL STD 883G, method 3015-7: class 3B
• 25 kV HBM (human body model)
Switched power supply
outputs
Number N.7 (with programmable switching-on time before sensor acquisition)
Max total current On a single output: 1.1 A
Total for all outputs: 7.7 A
Voltage clamping +33 V
Protections On each output: PTC overcurrent protections (resettable) max 1.1 A
Protections (power) Peak pulse power:
• 600 W (10/1000 μs)
• 4 kW (8/20 μs)
Protections
(complies standards)
IEC 61000-4-2 level 4:
• 15 kV (air discharge)
• 8 kV (contact discharge):
IEC 61000-4-5
MIL STD 883G, method 3015-7: class 3B
• 25 kV HBM (human body model)
RS-232-485 ports Number/type
PN:MDMMB1110
N.2 RS-232 ports (N.1 for system setup and data display by PC, N.1 for
Modbus-RTU output)
Number/type
PN:MDMMB1110.1
N.1 RS-232 for system setup and data display by PC
N.1 RS-485 for Modbus-RTU output (with isolated 12V@160 mA)
Speed 1200…115200 bps
Type Db-9 pin/male/female/DCE
Voltage clamping ±15 V
Protections (power) Peak pulse power:
• 600 W (10/1000 μs)
• 4 kW (8/20 μs)
Protections
(complies standards)
IEC 61000-4-2 level 4:
• 15 kV (air discharge)
• 8 kV (contact discharge):
IEC 61000-4-5
MIL STD 883G, method 3015-7: class 3B
• 25 kV HBM (human body model)
Others Standard EN 61326-1 2013 , EN 61010-1 2013, EN 50581 2013
Watch Accuracy: 30 s/month (@ 25°C)
Keyboard N.4 keys
Processor 2 RISC 8 bit, clock 16 MHz
A/D converter 18 bit resolution (rounded to 16 bit)
Sample duration (rejection 50/60 Hz): 80 ms@rejection 50 Hz
Data memory Flash EEPROM 8 Mb
Environm.limits -30…70°C, 15…100 % RH (without water condensation)
Physical
protection
Conformal coating on the electronic board to protect the board’s components against moisture, dust, chemicals, and temperature extremes
Protection grade IP 40
Weight 720 g
Dimensions 242 x 108 x 80 mm

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