CR23X Micrologger Real Time Clock 1 MB Storage 100 Hz Scale Rate 1.5KHz Burst

Description

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The CR23X is a self-contained, rugged data logger that can measure most sensor types directly, communicate via modems, reduce data, control external devices, and store both data and programs in either non-volatile Flash memory or battery-backed SRAM.
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Description
About the item:
Manufacturer / Brand
Campbell Scientific
Model Number
CR23X
Display
Integral, 2-line, alphanumeric display
Clock Speed
Real Time, ±1 minute per month
Execution Rate
Real Time to 100 Hz. Two fast (250 μs integration) single-ended measure-ments can write to final storage at 100 Hz.  Burst measurements are possible at rates up to 1.5 kHz over short intervals.
Processors
Hitachi 6303; Motorola 68HC708 supports communications.
Baud Rates
Selectable at 300, 1200, 2400, 4800,  9600, 19.2K, 38.4K, and 76.8K.
ASCII protocol  is one start bit, eight data bits, no parity, one stop bit.
Program Storage
Up to 16 kbytes for active  program. Operating system stored in 512 kbytes Flash memory.
Data Storage
Stores 1,000,000 data points (nonvolatile)
Pulse Counters
4
Switched Voltage Excitations
4
A/D bits
15
Programming
Edlog
Telecommunications
Standard, Modbus, Alert
Analog Inputs
Description
12 differential or 24 single-ended, individually configured. Channel expansion provided through AM16/32 or AM416 Relay Multiplexers and AM25T Thermocouple Multiplexers.
Sample Rates
Fast measurement integrates the signal for 250 μs;  slow measurement integrates for one power  line cycle (50 or 60 Hz).
Noise Voltage
Typical for ±10 mV Input Range; digital resolution dominates for higher ranges.
Analog Outputs
Description
4 switched, active only during  measurement, one at a time; 2 continuous.
Range
Programmable between ±5 V
Resolution
333 μV
Accuracy
±5 mV; ±2.5 mV (0° to 40°C)
Current Sourcing
50 mA for switched; 15 mA   for continuous
Current Sinking
50 mA for switched, 5 mA for  continuous (15 mA for continuous with Boost  selected in P133).
Frequency Sweep Function
The switched outputs provide a programmable swept frequency, 0 to 5 V square wave for exciting vibrating wire transducers.
Pulse Counters Specs
Description
Four 8-bit or two 16-bit inputs selectable for switch closure, high frequency pulse, or low-level AC. Counters read at 10 or 100 Hz.
Maximum Count Rate
2.5 kHz and 25 kHz, 8-bit  counter read at 10 Hz and 100 Hz, respectively; 400 kHz,16-bit counter.
Digital I/O Ports
Description
8 ports selectable as binary inputs or control outputs. Ports C5-C8 capable of counting switch closures and high frequency pulses.
High Frequency Max
2.5 kHz
Output Voltages (no load)
high 5.0 V ±0.1 V;  low < 0.1
Output Resistance
500 Ω
Input State
high 3.0 to 5.5 V; low -0.5 to +0.8 V
Input Resistance
100 K Ω
Interface Support
Description
Digital I/O Ports C5-C8 support SDI-12 asynchronous communication; up to ten SDI-12 sensors can be connected to each port. Meets SDI-12 Standard version 1.2 for data logger  and sensors mode.
Serial
Serial I/O Port (CS I/O) and RS-232 Port
Battery
10 Ahr alkaline or 7 Ahr rechargeable base.  1800 mAhr lithium battery for clock and SRAM backup typically provides 10 years of service.
Power
11 to 16 Vdc
Dimensions
9.5" x 7.0" x 3.8"
Other
Specifications Sheet
About The Condition:
Turns on, cosmetics as per photos.
What You Should Expect:
Campbell Scientific CR23x Micrologger
Two power supplies, each 120VAC/IP 1.2AMP 18VAC/OP "TPFN1812".
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