The CR310 is a cost-effective, compact data logger designed for versatile measurement and control applications. Featuring an integrated 10/100 Ethernet port and removable terminal connectors, it offers flexible connectivity and easy installation. This entry-level logger supports a wide range of hydrological, meteorological, environmental, and industrial sensors, allowing you to collect, concentrate, and manage data efficiently. It can deliver information across multiple networks using your preferred communication protocol.
| Parameter | Specification |
|---|---|
| Operating Temperature Range | -40° to +70°C, 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, SE1–SE4) |
| Voltage Excitation Terminals | 2 (VX1, VX2) |
| Communications Ports | USB Micro B, RS-232, 10/100 Ethernet RJ45 |
| Switched 12 Volt | 1 terminal |
| Digital I/O | 7 terminals (C1, C2, P_SW, SE1–SE4) configurable for input/output, PWM, external interrupt, and communication functions (SE4 excludes external interrupt) |
| Input Limits | -100 to +2500 mV |
| Analog Voltage Accuracy | ±(0.04% of measurement + offset) at 0°–40°C; ±(0.1% of measurement + offset) at -40°–+70°C |
| ADC | 24-bit |
| Charge Terminal (CHG+ / CHG-) | Input from power converter or solar panel (ES1 PS2 only), 16–32 VDC, hold current limit 1.6 A @ 20°C |
| Battery Terminal (BAT+ / BAT-) | Input from external battery, 12 Vdc (typical 7 Ah lead-acid), hold current limit 1.6 A @ 20°C |
| Internal Lithium Battery | 3 V coin cell CR2032X, battery-backed clock, 6-year life without external power |
| 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 |
| Communications 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 | 10 mA (@ 12 VDC with Ethernet idle) |
| Active Current Drain | 56 mA (@ 12 VDC with Ethernet active, processor always on) |
| Dimensions | 16.26 x 7.62 x 5.68 cm (6.4 x 3.0 x 2.2 in) |
| Weight | 288–306 g (0.64–0.68 lb), depending on communications option |
Meteorological Stations
Environmental Monitoring
Smart Agriculture
Hydrological Monitoring
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