OMC-042 / 043 / 044 Data loggers
Users
’ manual
page 98
Appendix
Specifications
Power Supply
Protection
Power reverse polarity protection
Input Range
0.8 ~ 5 Vdc
Type of Power
Battery
Power Consumption *
360 uW
100 uA @ 3.6 Volts
180 mW
60 mA @3.6 Volts
~1 Watt
~ 300 mA @ 3.6 Volts
General Enviroment
Temperature
Operating: -30 ~ + 75 °C; Storage -40 ~ +85 °C
Humidity
5 ~ 100 % RH
IP Protection
IP 67 (When used in the original case)
Operation
Batterylife
up to 10 years; consult user manual for more information
Configuration Programming
Via USB port ; no special software needed; uses hyperterminal or other terminal program
Alarming
On pre-defined thresholds of measurements; Via SMS, Email
PowerSwitch
Internal voltage convertor for supplying remote sensors ; 100 mA @ 12 Volts
System
CPU
ARM Cortex M3
Clock Frequency
72 Mhz
Watchdog
Yes
RTC(Real Time Clock)
Yes, internally calibrated; accuracy < 100 ppm; Battery Backuped
FLASH Memory
512 KB
SRAM
64 KB
NVRAM
84 bytes , battery backup, data valid up to 20 years
Analog inputs
12 bits
Temperature sensor
Yes
Power Sensor
Yes, Monitors power consumption, rest-capacity of battery
Expansion Bus
One, for optional modules. Extra I/O, GPS, future functionality
USB port
USB 2.0 full speed interface
Sample Frequency
max 4 Hz
Datalog Frequency
max 4 Hz
Rohs Complient
Yes
Analog Inputs
Number of Single Ended Channels
4
Resolution
12 bits
Input type
0 ~ 20 mA (Channel 1 to 4) 0 .. 10 V (MLx15-xxx only)
Number of Differential Channels
2 (
OMC_042 only
)
Resolution
16 bits
Input type
Voltage 0 - 2000 mV , 8 different ranges. Smallest detectable step <1 uV
Memory Card
Type
micro-SD
Capacity
4 GB (other sizes possible)
Filesystem
FAT 32
Communication Ports
SER1
RS232; TxD, RxD; Non-isolated;Enhanced ESD Specification: ±15kV Human Body Model;
Speed: 115200 bps max. (230kbps on request)
RS485
SDI12
SER2
RS232; TxD, RxD; Non-isolated;Enhanced ESD Specification: ±15kV Human Body Model;
Speed: 115200 bps max. (230kbps on request)
Counter input
GPRS / GSM Modem
Frequency Range
Quad Band EGSM 850 / 900 / 1800 / 1900 MHz
Capabilities
GPRS / GSM / FTP / EMAIL / SMS
GPS
GPS Option Module
Option: not included . See manual
* The Power consumption in sleep mode is when Datalogger is idle, and no tasks performing. Only the RTC is running
Type
Manually exchange micro SD-card; Automatic via GPRS (Email / FTP / Native protocol)
Via USB-Connection by means of a Computer (Windows)
Data Retrieval
Sleep mode
Operating mode
Send mode
Four Digital input 0 ~ 3.6 Volts; Internal pull up & down; 50 kHz max. storage of value in Non Volatile
Ram, even after battery replacement.One input is coil input (high sensitive mV range)