MSR145 Multifunctional Universal Data Logger

Overview

The MSR145 Multifunctional Universal Data Logger is a compact, high-integrity environmental and physical parameter monitoring system engineered in Switzerland for long-term, unattended field and laboratory deployment. Built on a robust embedded architecture with real-time clock (RTC) synchronization, it employs precision analog-to-digital conversion and non-volatile flash memory to ensure data integrity across extended operational cycles. Its core measurement principle integrates calibrated microelectromechanical systems (MEMS) sensors—temperature, relative humidity, barometric/liquid pressure, triaxial acceleration, and photometric lux—with configurable analog input channels for third-party transducers. Designed for compliance-critical applications, the device operates within defined thermal, mechanical, and electromagnetic environments per IEC 60068-2 standards and meets EU RoHS and WEEE directives. With onboard storage of ≥2 million readings—expandable to >1 billion via removable microSD card—the MSR145 supports continuous logging at user-defined intervals from 1 second to 24 hours, making it suitable for validation studies, transport monitoring, HVAC commissioning, and industrial process qualification.

Key Features

• Compact form factor (as small as 18 × 14 × 62 mm) with IP67-rated silicone housing option for immersion-resistant operation
• Dual battery configurations: 260 mAh (standard) or 900 mAh (extended runtime), rechargeable via USB; up to 2 years of operation depending on sampling rate and sensor activation
• Simultaneous acquisition of up to seven parameters: internal temperature, humidity, air/liquid pressure, 3-axis acceleration, ambient light intensity, plus up to four analog inputs
• Configurable analog input options: 2-channel or 4-channel, 12-bit resolution, supporting voltage (0–3 V, 0–5 V, 0–10 V, 0–24 V) and current (0–20 mA, 4–20 mA) signal types
• Hardware-triggered start/stop and alarm I/O functionality integrated into analog interface modules
• USB 2.0 interface for direct configuration, real-time data retrieval, and firmware updates; no driver installation required on Windows XP–11
• Integrated RTC enables time-synchronized multi-unit deployments—critical for spatially distributed monitoring networks

Sample Compatibility & Compliance

The MSR145 accommodates diverse physical and chemical sensing modalities through both integrated MEMS elements and external analog interfacing. Internal sensors are factory-calibrated against NIST-traceable references and operate within specified uncertainty bands across their full range (e.g., ±0.1 °C for temperature at +5–+45 °C). External sensor compatibility includes CO₂, pH, conductivity, dissolved oxygen, and other 4–20 mA or 0–5 V output transducers. The device complies with ISO/IEC 17025 requirements for data integrity when used in accredited laboratories and supports audit-ready workflows under GLP and GMP frameworks. While not intrinsically rated for hazardous locations, optional IP67 housings permit use in damp or washdown environments. All firmware and configuration files are digitally signed to prevent unauthorized modification—supporting FDA 21 CFR Part 11 readiness when paired with validated software protocols.

Software & Data Management

The MSR145 ships with a comprehensive, royalty-free PC software suite compatible with Windows operating systems (XP through 11). This includes: (1) MSR Configuration Studio for setting sampling intervals, trigger conditions, alarm thresholds, and channel enablement; (2) MSR Reader for rapid bulk download via USB or microSD; (3) MSR Browser for interactive time-series visualization, statistical summary (min/max/mean/std dev), and export to CSV, Excel, or PDF; and (4) MSR Online for remote status monitoring over local networks (via optional Ethernet/WiFi gateway). Data files include embedded metadata (device ID, timestamp, firmware version, calibration date), enabling traceability in regulated environments. All exported datasets retain native time-stamp resolution (100 ms) and support batch processing for multi-device correlation analysis.

Applications

• Pharmaceutical cold chain validation (ICH Q5C, WHO TRS 961): continuous temperature/humidity/pressure monitoring during storage and transit
• Industrial equipment health monitoring: vibration signature capture (±15 g triaxial acceleration) for predictive maintenance of motors, pumps, and conveyors
• Building automation commissioning: simultaneous recording of HVAC airflow pressure differentials, ambient light levels, and occupancy-correlated thermal gradients
• Environmental research: long-duration microclimate profiling across forest canopy layers or soil strata using external thermocouples and soil moisture probes
• Transportation logistics: shock and tilt event logging during air freight, maritime container shipments, or vaccine distribution
• Academic instrumentation labs: flexible analog input platform for student-developed sensor experiments requiring synchronized multi-parameter acquisition

FAQ

Can the MSR145 be used in explosive atmospheres?
No. The MSR145 is not ATEX or IECEx certified. For hazardous area deployment, external barrier-isolated analog inputs and explosion-proof enclosures must be implemented per local jurisdiction requirements.
Is firmware update capability available over USB?
Yes. Firmware updates are delivered as signed binary packages and applied via the MSR Configuration Studio application without requiring hardware reprogramming tools.
Does the device support time synchronization across multiple units without GPS?
Yes. The integrated RTC maintains accuracy within ±2 seconds per month at +25 °C. When configured identically and started simultaneously, multiple MSR145 units produce temporally aligned datasets suitable for cross-location correlation analysis.
What is the maximum sustainable sampling rate with all sensors active?
At 1-second intervals, full-sensor operation (temperature, humidity, pressure, acceleration, light + 4 analog inputs) is supported for up to 12 days on the 900 mAh battery. Lower rates extend operational life exponentially.
Are calibration certificates provided with each unit?
A factory calibration report (including reference standards used and measurement uncertainties) is supplied with every MSR145. NIST-traceable recalibration services are available through authorized service centers on an annual or event-driven basis.