Section 1 ‒ Introduction
MLTDR-W-50S User's Guide
9
1.3 Specifications
Datalogger
Model: Campbell Scientific CR6
Universal Channels: 12 individually configured inputs for analog or digital functions
Analog Resolution: 24 Bits
Input Voltage Range: +/-5V
Pulse Count Channels: 16 (C1 to P4 and U1 to U12)
Excitation Channels: 12
Digital Ports: 16
Communications: Ethernet, USB, CS I/O, RS-232, CPI, RS-485, SDI-12
Power: (CHG) 16 to 32VDC, (BAT) 10 to 16VDC
Power Consumption: <1mA (quiescent), ~3mA (active, no communications), ~67mA (active, communication)
Memory: Data - 4MB SRAM, Program - 72 MB flash, OS - 128 MB Flash
Coaxial Cable Interface
Model: Campbell Scientific TDR200
Points Range: 20-10112
Waveform Averaging: 1-128
Out
put impedance: 50 Ω ±1%
Pulse Output: 250mV @ 25.5µS
Maximum Cable Length: 3800m (12400’)
Operating Power: 150mA maximum
Standby Power: 1mA
Coaxial Cable Interface (optional)
Model: Campbell Scientific SDMX50 8-Channel
Operating Power: 90mA maximum
Standby Power: <1mA
Wireless Interface
Model: Lantronix SGX 5150
Ports: RS-232/422/485, Ethernet (RJ-45)
Interface: Wireless 802.11a/b/g/n (2.4 GHz, 5 GHz) or 10.100 Ethernet
Security: WEP, WPA, 802.11i/WPA2, EAP
System Power
Battery: 12V 50AHr sealed lead-acid
Solar Panel
Output Voltage: 18VDC maximum (loaded)
Output Power: 2.25A maximum (40W)
AC Adaptor
Output Voltage: 18VDC
Output Power: 1A maximum
Physical
Operating Temperature: -40 to +70° C (-40 to +160° F)
Enclosure Size (L x W x H): 61 x 51 x 25cm (24” x 20” x 10”)
Enclosure Mounting (L x W): 64 x 35.5cm (25.25” x 14”)
Weight: 41.1kg (90.6 lbs)