Appendix A - Monitor Specifications - Sutron MONITOR Operation & Maintenance Manual

Appendix A – Monitor Specifications
Electrical
Power Required
Power Consumption
Mechanical
Enclosure
Dimensions
Display
Keypad
SD card slot with activity LED
Red Warning LED
Green Heartbeat LED
Environmental
Temperature
Humidity
Clock
Log capacity
Data Communications
Key Features
Clock
Log capacity
Data Communications
Advanced Features
SDI-12 Interface
8-16VDC
<1mA standby
<20mA active
NEMA-4 Fiberglass
Monitor-1 5"x5"x4",
Monitor-4 12" x 14" x 8"
2x20 character backlit LCD
6 buttons
For download data and read/write setups
Indicates setup or operational error
Indicates unit is operating properly
-40°C to +60°C (LCD operates to -10°C)
0-95% Non-condensing
Internal real-time clock w/battery backup.
Standard accuracy: +2 minutes/month
Optional high accuracy: + 20 seconds/month
Optional GPS clock
>250,000 readings, flash memory
RS232 DB9 (female) connects to PC/PDA/modem/radio
+5 or +12V on pin 9 (71 mA at +5V)
Internal real-time clock w/battery backup.
Standard accuracy: +2 minutes/month
Optional high accuracy: + seconds/month
>250,000 readings, flash memory
RS232 DB9 (female) connects to PC/PDA/modem/radio
+5 or +12V on pin 9 (71 mA at +5V)
Equation processing
Multiple level averaging
Autodump data when SD card is inserted
SD card can also read/write setups
Command-line interface for operation without custom
programs
Separate schedules for each measurement
Upgrade firmware via RS232.
Supports up to 16 SDI-12 sensors
SDI V1.3 compliant logger
Automatically combines requests to the same device
+12V @ 500 mA
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