Sutron Satlink 3 - Page 174

Sutron Corporation Satlink Operations & Maintenance Manual, Rev 8.04.2 11/3/2016 pg. 174
VREF (SL3-1 ONLY)
Voltage
2.5V + 0.005 V
Factory Calibration accuracy
0.006%
Load Current
10 mA max
TEMPERATURE MEASUREMENT (INTERNAL)
Range
-40°C to +70°C
Accuracy
± 3 deg
DIGITAL INPUT 1,2 – PRECIP TYPE (SL3-1 ONLY)
Switch Contact Type
Pulse Width between 30ms & 120ms
Range DC to 120 tips/min. (min)
DIGITAL INPUT 1,2 - FREQUENCY TYPE (SL3-1 ONLY)
Input Range
Low level AC (DIN1 only) (100 mVp-p to +15V)
0-5 V (DIN1 and 2) (3V min 15V max)
Minimum Frequency
2.8 Hz
Maximum Frequency
10 kHz
DIGITAL INPUT 1,2 - COUNTER TYPE (SL3-1 ONLY)
Input Range
0-5 V (3V min 15V max)
Maximum Frequency
without Debouncing
10 kHz
Debouncing Period
4 ms
*
Accuracy is the deviation from the straight line from 0 to FS. FS is defined by Vref.