Sutron Corporation Satlink Operations & Maintenance Manual, Rev 8.04.2 11/3/2016 pg. 173
>1,000,000 readings, 32MB
Dual independent SDI-12 busses
SDI V1.3 compliant logger
+12V connection (supply voltage) @ 500mA
OPTIONAL MODEMS (SL3-1 ONLY)
Iridium SBD Modem for SL3
DOD flashed Iridium SBD Modem for SL3
Verizon LTE Modem for SL3 (no fallback)
AT&T/Rogers LTE Modem with HSPA plus fallback for SL3 (coming 2017)
Europe/LTE Modem with HPSA plus fallback for SL3 (coming 2017)
2G GSM/GPRS Modem for SL3, primarily for India (coming 2017)
SINGLE ENDED ANALOG INPUTS (SL3-1 ONLY)
0 to 5V (with respect to ground)
DIFFERENTIAL ANALOG INPUTS (SL3-1 ONLY)
±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.
24 bit
4.657 nV @ ±39mv scale
37.25 nV @ ±312mv scale
298 nV @ ±2.5 scale
1.6 µV (p/p) (±39 mV /±312 mV scale)
>5 Meg Ohm 312mV FS Differential
4-20MA ANALOG INPUT (SL3-1 ONLY)