ACR Systems' latest AC Current Logger, the SRX3, is now shipping. Designed to capture and document how electrical current, equipment behavior, and system loads change over time, the SRX3 replaces the long-standing SmartReader Plus 3 (SRP3), continuing its role in energy and load studies while offering several important updates.
Key Improvements Over the SRP3
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Higher resolution – 16-bit precision for more detailed measurement and analysis.
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Expanded memory – Stores up to 1 million readings for extended studies without interruption.
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Increased battery capacity – Supports longer deployments in the field.
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Lower price point – Makes advanced data logging more accessible to a wider range of applications.
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Two-stage LED alarms – Provides warning and critical indicators for quick visual reference.
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Flexible input support – Accepts up to seven 0–5 V inputs, compatible with industry-standard current and voltage transducers.
Applications
The SRX3 is intended for long-term documentation and analysis of electrical systems. Typical uses include:
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Energy audits – Identifying patterns in consumption and opportunities for efficiency improvements.
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30-day load studies – Supporting compliance and planning by documenting load changes over time.
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Baseline energy monitoring – Establishing reference data for ongoing energy management programs.
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HVAC and compressor tracking – Assessing system loads and detecting changes in operating behavior.
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Lighting and plug load monitoring – Measuring how equipment and devices contribute to overall demand.
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LEED certification support – Providing documented data for sustainability programs.
A Natural Transition from SRP3
The SRP3 has long been used to document AC current and voltage in electrical systems with clamp-on probes and voltage transducers. The SRX3 continues this role, while adding greater resolution, longer study capacity, larger battery reserves, and a more accessible price. For existing SRP3 users, the transition is straightforward: the SRX3 retains the same practical focus while adapting to modern requirements.
Availability
The SRX3 is available now through ACR Systems and authorized distributors. For specifications, documentation, and software downloads, visit the product page: acrdatasolutions.com/products/srx3.