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Campbell Scientific CR300 – Compact Data Logger

Campbell Scientific CR300 Measurement and Control Datalogger Ideal for small applications
Campbell Scientific CR300

The CR300 is a multi-purpose, compact measurement and control data logger. This small, low-cost, high-value data logger offers fast communications, low power requirements, built-in USB, and excellent analog input accuracy and resolution. The CR300 can measure most hydrological, meteorological, environmental, and industrial sensors. It concentrates data, makes it available over varied networks, and delivers it using your preferred protocol. It also performs automated on-site or remote decision making for control and M2M communications. The CR300 is ideal for small applications requiring long-term remote monitoring and control.

 

The CR300 is a low-powered data logger designed to measure sensors, analyze data, and store data and programs. A battery-backed clock assures accurate timekeeping. The on-board, BASIC-like programming language—common to all Campbell Scientific data loggers—supports data processing and analysis routines.

  • Connects directly to a computer’s USB port
  • Differentiates even slight changes in data values with higher resolutions measurements (24 bit Adc)
  • Provides simple serial sensor integration and measurement with SDI-12 and/or RS-232
  • Supports full PakBus networking
  • Includes embedded web page for direct connection via web browser
Specifications
-NOTE- Additional specifications are listed in the CR300-Series Specifications Sheet.
Operating Temperature Range
  • -40° to +70°C (standard)
  • Non-condensing environment
Maximum Scan Rate 10 Hz
Case Material Powder-coated aluminum
Analog Inputs 6 single-ended or 3 differential (individually configured)
Pulse Counters 8 (P_SW, P_LL, C1, C2, and SE1 to SE4)
Voltage Excitation Terminals 2 (VX1, VX2)
Communications Ports
  • USB Micro B
  • RS-232
Switched 12 Volt 1 terminal
Digital I/O 7 terminals (C1, C2, P_SW, and SE1 to SE4) configurable for digital input and output. Includes status high/low, pulse width modulation, external interrupt, and communication functions. Exception: The SE4 terminal doesn’t do external interrupt.
Input Limits -100 to +2500 mV
Analog Voltage Accuracy
  • Accuracy specifications do not include sensor or measurement noise.
  • ±(0.04% of measurement + offset) at 0° to 40°C
  • ±(0.1% of measurement + offset) at -40° to +70°C
ADC 24-bit
Power Requirements 16 to 32 Vdc for charger input (CHG) (Current limited to 0.9 A maximum for power converter or solar panel input.)
Real-Time Clock Accuracy ±1 min. per month
Internet Protocols Ethernet, PPP, RNDIS, ICMP/Ping, Auto-IP(APIPA), IPv4, IPv6, UDP, TCP, TLS (v1.2), DNS, DHCP, SLAAC, NTP, Telnet, HTTP(S), FTP(S), SMTP/TLS, POP3/TLS
Communication Protocols PakBus, Modbus, DNP3, SDI-12, TCP, UDP, and others
CPU Drive/Programs 80 MB serial flash
Data Storage 30 MB serial flash
Idle Current Drain, Average 1.5 mA (@ 12 Vdc)
Active Current Drain, Average
  • 5 mA (@ 12 Vdc for 1 Hz scan with 1 analog measurement)
  • 23 mA (@ 12 Vdc with processor always on)
Dimensions 13.97 x 7.62 x 4.56 cm (5.5 x 3.0 x 1.8 in.)
Additional clearance required for cables and leads.
Weight 242 to 250 g (0.53 to 0.55 lb) depending on communication option selected

 

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Campbell Scientific CR300 – Measurement and Control Datalogger

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