Data Loggers (Measurement/Control and Processing Systems)

Data loggers are an essential component in data acquisition systems. They can scan a wide variety of measurement sensors, perform many programmed calculations, convert the data to other units of measurement, and store the data in memory. Data loggers can also transmit the data for analysis, sharing, and reporting, as well as control external devices.

Model CR1000XE Data Logger.

The CR1000XE is a rugged measurement/control and processing system that delivers accurate, reliable measurements in a variety of applications. The on-board, BASIC-like programming language includes data processing and analysis routines.

Operating Temperature Range		-40° to +70°C (standard) -55° to +85°C (extended)
Storage Temperature Range		-60° to +85°C
Operating Humidity		0–100% RH, non-condensing environment
Maximum Scan Rate		1000 Hz
Case Material		Anodised aluminium
Analogue Inputs		16 single-ended or 8 differential (individually configured). Two analogue inputs can measure 4 to 20 mA or 0 to 20 mA natively.
Pulse Counters		10 (P1 to P2 and C1 to C8)
Voltage Excitation Terminals		4 (VX1 to VX4)
Maximum Source/Sink Current		±40 mA (voltage excitation) 50 mA (regulated 3.3 or 5 V)
Communications Ports		USB-C Ethernet RS-232 RS-485 RS-422 CS I/O CPI
Data Storage Slots		microSD
Switched 12 Volt		2 terminals, plus CS I/O pin 8
Digital I/O		8 terminals (C1 to C8) configurable for digital input and output. Includes status high/low, pulse width modulation, external interrupt, edge timing, switch closure pulse counting, high-frequency pulse counting, plus UART, RS-232, RS-485, SDM, SDI-12, I2C, and SPI serial-communications functions. Terminals are configurable in pairs for 5 V or 3.3 V logic for some functions.
Input Limits		±5 V
Analogue Voltage Accuracy		Accuracy specifications do not include sensor or measurement noise. ±(0.04% of measurement + offset) at 0° to 40°C ±(0.06% of measurement + offset) at -40° to +70°C ±(0.08% of measurement + offset) at -55° to +85°C (extended temperature range)
ADC		24-bit
Power Requirements		10 to 36 Vdc input
Real-Time Clock Accuracy		±3 min. per year (optional GPS correction to ±10 µs)
Internet Protocols		Ethernet, PPP, RNDIS, ICMP/Ping, Auto-IP (APIPA), IPv4, IPv6, UDP, TCP, TLS (v1.2), DNS, DHCP, SLAAC, Telnet, HTTP(S), SFTP, FTP(S), POP3/TLS, NTP, SMTP/TLS, SNMPv3, CS I/O IP, MQTT(S)
Communications Protocols		CPI, PakBus, SDM, SDI-12, Modbus, TCP, DNP3 outstation, UDP, NTCIP, NMEA 0183, I2C, SPI, CampbellCloud HTTPS/MQTTS, and others
Battery-Backed SRAM for CPU Usage and Final Storage		4 MB
Data Storage		4 MB SRAM + 72 MB flash (storage expansion of up to 16 GB with removable microSD flash memory card)
Idle Current Drain, Average		< 2.0 mA (@ 12 Vdc)
Active Current Drain, Average		1.1 mA (1 Hz scan @ 24 Vdc) 2 mA (1 Hz scan @ 12 Vdc) 57 mA (20 Hz scan @ 12 Vdc)
Dimensions		23.8 x 10.1 x 6.2 cm (9.4 x 4.0 x 2.4 in.) Additional clearance required for cables and wires
Weight		0.86 kg (1.9 lb)

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Manufacturer
Campbell Scientific

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Model CR350 Data Logger.

The CR350 is a low-powered data logger designed to measure sensors, analyse 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.

Switched 12 V Terminals		Two switched 12 V terminals (SW12V) for powering sensors or communications devices, 2100 mA
Voltage Excitation Terminals		Two sensor excitation or continuous 0.15 to 5 V terminals (VX1, VX2) for sensor excitation or output control
Analogue Inputs		Four multipurpose analogue input terminals (SE1 to SE4) 4 single-ended or 2 differential inputs with -100 to +2500 mV and ±34 mV ranges, 24-bit ADC 4 to 20 mA or 0 to 20 mA inputs (SE1, SE2 only)
Digital I/O (SE1 to SE4)		3.3 V logic levels for: High frequency counter (35 kHz) Pulse width modulation Interrupts and timer input Period average (200 kHz, amplitude dependent)
Pulse Counters		Two pulse counting terminals (P_SW, P_LL) P_SW: switch closure (150 Hz), high frequency counter (35 kHz) P_LL: low level ac (20 kHz), high frequency counter (20 kHz)
Control Terminals		Two control terminals (C1, C2). C terminals are software configurable for digital functions. Digital I/O functions consist of 5 V output and 3.3 V input logic levels for: SDI-12 High frequency counter (3 kHz) Switch closure (150 Hz) General status/control voltage source 5 V; 10 mA @ 3.5 V Interrupts Serial asynchronous communications Tx/Rx pair

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Manufacturer
Campbell Scientific

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Model RK600-07C Weather Data Logger.

The RK600-07C is a weather data logger with a 7" colour touch screen, a quad-core A7 processor and 4 GB + 512 MB of internal storage. It records up to 32 measurement parameters at intervals of 1 to 240 minutes, and data can be downloaded to a USB flash drive. It offers RS-232 and RS-485 communication interfaces, Ethernet as standard with optional 4G, Wi-Fi and LoRaWAN, and supports Modbus RTU, Modbus TCP, HTTP and MQTT. The 400 x 500 x 200 mm enclosure supports a solar power supply.

Display		7" colour touch screen with backlight
Resolution		1024 x 600
Touch Type		Resistive
Screen Sleep		Supported
Adjustable Backlight		Supported
Communication Status Indication		Supported
Internal Storage		4 GB + 512 MB
Communication Interface		COM1: RS-232 COM2: RS-485 COM3: RS-485
Network		Ethernet (standard), 4G, Wi-Fi, LoRaWAN (optional)
Communication Protocol		Modbus RTU, Modbus TCP, HTTP, MQTT
Power Supply		12 to 24 VDC, 100 to 240 VAC (adapter)
Measurement Parameters		32 maximum
Recording Interval		1 to 240 min, settable
USB Flash Drive Download		Supported
Relay Output		Customised
Average Consumption		<7 W
CPU		Quad-core A7 processor
Power Protection		Equipped with surge protection and anti-reverse protection
Withstand Voltage		500 VAC
Insulation Impedance		Exceeding 50 MΩ @ 500 VDC
Working Temperature		-10° to +60°C
Storage Environment		-20° to +70°C
CE		EN55022 & EN55024
Enclosure		400 x 500 x 200 mm, supports solar power supply

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Manufacturer
Rika Sensors

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