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CR200X-Series
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Dataloggers / Wireless Sensors
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e CR200X-series dataloggers replaced the CR200-series dataloggers in December 2009. e CR200X-series datalogger allows 128 public
variables instead of 48 and allows eight tables instead of four. e compiled CRBasic program of a CR200X-series datalogger can be two times
larger than the compiled CRBasic program of a CR200-series datalogger. For the CR200X series, all supported CRBasic instructions are in a
single operating system version.
Features
Campbell Scienti c’s smallest, lowest cost datalogger•
Optimal for measuring one or two simple sensors•
512 kbytes of Flash nal storage memory; approxi-•
mately 128,000 data points
Fastest scan rate of once per second•
12-bit analog to digital conversions•
Gas Discharge Tube (GDT) protected inputs•
Data values stored in tables with a time stamp and •
record number
Battery-backed SRAM and clock that ensure data, •
programs, and accurate time are maintained while
a CR200X-series datalogger is disconnected from
the main power source
PB• ® communication protocol used, which is a
simpli ed variation of Internet protocols.
Input/Output Channels
Gas discharge tubes provide rugged electrostatic
discharge protection for the inputs. The CR200X-
series loggers have five single-ended analog inputs,
one switch closure pulse input, one low level ac
pulse input, two control ports, two excitation chan-
nels (2.5 or 5 V), and one switched battery output.
One of the control ports can be used as an SDI-12
port. Input voltage range is 0 to +2500 mV with
0.6 mV resolution. Please note that differential
measurements are not supported.
Program/Data Storage
Programs and data are stored in a non-volatile Flash
memory. Final storage has 512 kbytes of memory that
provides approximately 128,000 data points in the
table-based memory structure.
LEDs: Indicate
datalogger is scan-
ning, transmitting,
or receiving.
RS-232 Port: Supports
communications with a
computer. The CR295X has a
second serial port dedicated
for satellite communications.
{
Input/Output Connections:
Measure, communicate with,
and power sensors.
(24 Seiten)
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