Sutron Corporation Satlink Operations & Maintenance Manual, Rev 8.04.2 11/3/2016 pg. 173
Clock Accuracy
Log Capacity
>1,000,000 readings, 32MB
SDI-12
INTERFACE
Dual independent SDI-12 busses
SDI V1.3 compliant logger
+12V connection (supply voltage) @ 500mA
OPTIONAL
MODEMS
(SL3-1
ONLY
)
IRIDIUM-MOD-1
Iridium SBD Modem for SL3
IRIDIUM-MOD-1D
DOD flashed Iridium SBD Modem for SL3
CELLULAR-MOD-1
Verizon LTE Modem for SL3 (no fallback)
CELLULAR-MOD-2
AT&T/Rogers LTE Modem with HSPA plus fallback for SL3 (coming 2017)
CELLULAR-MOD-3
Europe/LTE Modem with HPSA plus fallback for SL3 (coming 2017)
CELLULAR-MOD-4
2G GSM/GPRS Modem for SL3, primarily for India (coming 2017)
SINGLE
ENDED
ANALOG
INPUTS
(SL3-1
ONLY
)
Number available
2
Input Range
0 to 5V (with respect to ground)
Resolution
24 bit
0.298 µV
Noise (p/p)
12.0 µV (p/p)
Noise (RMS)
4.24 µV RMS
Accuracy
*
0.002%
Input Impedance
> 1MegOhm
DIFFERENTIAL
ANALOG
INPUTS
(SL3-1
ONLY
)
Number Available
3
Range (SW selectable)
±39mV; AIN pin Voltage Range with respect to AGND 0.5 to 3.7 Volts
±312mV; AIN pin Voltage Range with respect to AGND 0.5 to 3.7 Volts
± 2.5V ; AIN pin Voltage Range with respect to AGND 0.1 to 4.7 Volt
Note: Above ranges are Nominal. Guaranteed Analog Input Range Over
Temperature Is 0-4.98 V, ± 2.49 V, ± 311 mV, ± 38.9 mV.
Resolution
24 bit
4.657 nV @ ±39mv scale
37.25 nV @ ±312mv scale
298 nV @ ±2.5 scale
Noise (p/p)
1.6 µV (p/p) (±39 mV /±312 mV scale)
Noise (RMS)
0.38µV RMS
Accuracy
*
0.002%
Input Impedance
>5 Meg Ohm 312mV FS Differential
4-20
M
A
ANALOG
INPUT
(SL3-1
ONLY
)
Range
0 - 22mA
Resolution
<1nA
Accuracy
*
0.02%
Loop Power
External
Loop Resistance
200 Ohm
