CR300 Datalogger (Campbell Scientific)

CR300 Datalogger (Campbell Scientific)

CR300 Datalogger (Campbell Scientific)

De CR300 datalogger is een multifunctionele, compacte meet- en besturingsdatalogger. Deze kleine en hoogwaardige datalogger biedt snelle communicatie, lage stroomvereisten, een ingebouwde USB en uitstekende analoge ingangsnauwkeurigheid en resolutie. De CR300 is ook leverbaar met verschillende radio-opties (CR310-RF422) en kan de meeste commercieel beschikbare hydrologische, meteorologische, omgevings- en industriële sensoren meten.

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, MQTT
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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