Multi-Channel Data Logger

    

     Environmental Data                                         Flood Monitoring

    

Surface Water                                                    Meteorological Station

Special Features

customer friendly installation and operation
Network compatibility
Possibility of event driven data acquisition
Analogue and digital input connection for any sensor type
Huge data storage capacity and high data security
VisLog => now with integrated touch-/graphic display

Description

The data loggers Unilog and VisLog are new product developments from SEBA Hydrometrie which can digitally
record the water level or any other parameter, such as water quality or rainfall. The implementation of a state-ofthe-
art serial flash memory enables a relatively high data capacity, combined with high data security. The new
logger systems also stand out by a lower power consumption and reduced dimensions of the electronic circuit
board. The most important features are as follows:
Event-controlled / time-controlled registration
Individual control of the connected sensors
Alarm Management
Universally usable in connection with data transmission systems
(landline GSM/GPRS, satellite, radio, W-LAN etc.)

The basis of the logger is a stand alone “Central Processor Unit (CPU)”. In total eight analogue and two impulse
inputs can be connected via terminals to the logger. In addition, a variety of options is available: modem module,
USB, bluetooth interface or LAN.
The CPU board controls a CPU bus in order to combine several digital sensors to one single-master unit / multislave.
This makes it possible to strictly separate the management system of the data logger from that of the
alarm. A special RTC-IC (real time clock) constantly secures the time and watchdog function independently from
the micro controller.

VisLog

Our new allows you to operate the entire data logger with all its individual configurations comfortably
via the integrated touchscreen. Additionally, the graphes of the stored measuring values can be indicated on
the graphic display in order to guarantee an optimum at site control without the use of any additional external
devices like for example a laptop or PDA. Readout of the data is either done by using a standard USB-stick or
with a PDA/laptop.

Technical Data UniLog

Electronics:
power supply: external 5.5...20V
back up battery internal 3.6V lithium AA/2Ah
charging rate in power-down mode: 7.5mA
(75mA with LAN-module)
Flash-Controller M16C 16-Bit with integrated watch-dog
clock IC
serial flash memory with 8 MB (approx. 70.000 measuring values)
AD-Converter 16-Bit
Logical channels: up to 32 channels possible

Handling and display:
display (3 lines, each 16 characters, 3.65mm)
keyboard with 3 keys

Interfaces:
RS232, RS485, USB
AD-Converter 16-Bit

Inputs:
RS485 sensor interface (SHWP)
SDI12 sensor interface (Option)
Up/down counter, phase counter, impulse (rain)
2 contact inputs (surveillance/logging)
8 Analoge (bi-/unipolar) for standard signals, potentially isolated
extendable for up to max. 32 analoge inputs (option)

Outputs:
RS485-Sensor-interface (SHWP)
Binary, BCD, Gray (Option)

All connections with push in clamps up to 1.5mm²

Technical Data VisLog

Electronics:

base: Unilog

Handling and display:

complete handling and configuration of the data logger via touchscreen and display of the data files on a graphic display
additionally 3 keys

Interfaces:
RS232, RS485, USB
LAN (optional)

In-/Outputs:
SDI12 sensor interface (option)
up/down counter input, phase counter, impulse(rain)
2 contact inputs (surveillance, logging)
8 analogue bi-/unipolar for standard signals, potentially isolated
extendable up to max. 32 anlogue inputs (optional)

Outputs:
RS485 sensor interface (SHWP)
binary, BCD, Gray (Option)

All connections with push in clamps up to 1.5mm²

Producing Area：Germany