Campbell Data Logger CR350

Description

The CR350 is a compact, ultra‑low-power data logger designed for a wide range of environmental and industrial monitoring applications. It supports analog, digital, and smart sensors, and enables onboard data processing and control using a BASIC‑like programming language.

Key Features

·         Two independent RS-232 / RS-485 communication ports for smart sensors or modems.

·         USB‑C port for fast setup and connectivity.

·         Two switched 12 V power outputs (SW12V) to power external devices.

·         Two excitation voltage outputs (VX1, VX2) for powering sensors.

·         Four analog/multipurpose input terminals (SE1–SE4) that can be configured as single-ended or differential 24-bit inputs.

·         Eight total pulse‑counting or digital I/O channels (via P_SW, P_LL, C1, C2, SE1–SE4).

·         Very low current draw: 0.5 mA idle; 1.5 mA at 1 Hz scan (with analog input)

·         Operating temperature range: –40 °C to +70 °C.

·         Polycarbonate housing for durability.

·         Built-in 50 MB serial flash memory for data and programs.

·         Battery-backed real-time clock (coin cell) with 6‑year life.

·         Supports multiple communications protocols: PakBus, Modbus, DNP3, SDI-12, etc.

·         Optional communication modules: Wi‑Fi, cellular (LTE / 3G), or radio variants (RF).

·         Power management: has an integrated 12 V solar‑charge regulator to manage battery charging.