ML-x17 DATA LOGGER MANUAL
Manufacturers of low power instruments
page 129
10
Appendix
10.1
Specifications
Power Supply
Protection
Overvoltage and reverse polarity protection ( by transorp and Fuse)
Input Range
3.3 ~ 5 Vdc
Type of Power
Battery
Power Consumption *
360 uW
100 uA @ 3.6 Volts
180 mW
50 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 54, IP67, IP68, depending on type of enclosure
Operation
Batterylife
up to 4 years; consult user manual for more information
Configuration Programming Via USB port or remote ; no special software needed; uses Ydocterminal or other terminal program
Also configuration via Android is offible: via USB or via optional BLE module
Alarming
On pre-defined thresholds of measurements;
Sensor Excitation
Internal boost convertor for supplying remote sensors ; 200 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
Option Port
One, for optional modules. ( Extra I/O, special boards see website)
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 Channels
4
Resolution
12 bits
Input type
0 ~ 20 mA (Channel 1 & 2); 0 ~ 10 V (Channel 3 & 4)
Memory Card
Type
micro-SD
Capacity
8 GB
Filesystem
FAT 32
Communication Ports
SER1
RS232; TxD, RxD; Non-isolated;Enhanced ESD Specification: ±15kV Human Body Model;
Speed: 115200 bps max.
RS485
SDI12
SER2
RS232; TxD, RxD; Non-isolated;Enhanced ESD Specification: ±15kV Human Body Model;
Speed: 115200 bps max.
Counter input
Cellular Modem
Frequency Range
2G / 3G / 4G
Capabilities
HTTP(S), FTP(S), e-Mail , TCP or MQTT
Dimensions
D x H
120 X 130 x 90 mm
Weight
Netto Weight
320 Grams (excluding Batteries)
* 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 Web ( HTTP(S), FTP(S), e-Mail , TCP or
MQTT) Via USB-Connection by means of a Computer (Windows), or Android
Data Retrieval
Sleep mode
Operating mode
Send mode
One Digital input 0 ~ 3.6 Volts; Internal pull-up/down; 10 kHz max. storage of value in Non Volatile
Ram, even after battery replacement
