High-Frequency Input; Low-Level Ac Input; Period Averaging - Specifications - Campbell CR300 Series Operator's Manual

CR300-Series Datalogger

7.5.2 High-Frequency Input

7.5.3 Low-Level AC Input

7.6 Period Averaging – Specifications
46
Terminals:
Maximum Input Frequency
SE 1-4:
P_LL:
P_SW:
C1-C2:
Terminal:
Range:
Input Hysteresis:
TABLE 7-5. Low-Level AC Ranges
Sine Wave Input
(mV )
RMS
20
200
2000 0.3 to 10,000
5000 0.3 to 20,000
1 AC coupling removes AC offsets up to ±0.05 V
Up to four analog inputs may be configured for period averaging.
Terminals:
Frequency Range:
Voltage Range:
Accuracy:
Resolution:
Minimum Pulse Width:
High Threshold:
SE terminals 1-4
P_LL
P_SW
C1-C2
35 kHz
20 kHz
35 kHz
3 kHz
P_LL
See TABLE 7-5, Low-Level AC
Ranges
(p. 46)
12 mV at 1 Hz
1
Range
(Hz)
1.0 to 20
0.5 to 200
SE terminals 1-4
5 Hz to 200 kHz
0 to 3.3 V
±(0.01% of reading + resolution)
13 ns ÷ number of cycles
2.5 µs
2.5 V