Data Logger
Disc Maxi 3 in 1 with Alerts - Bluetooth Enabled Temperature, Humidity and Dew Point Logger
Monitor and log temperature, humidity, and dew point with precision using the Disc Maxi 3-in-1 — a p...
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Laboratory Environmental Monitoring
High-precision wireless sensors designed for research environments, sample storage, and equipment monitoring. From ultra-low freezers at -80°C to clean room humidity control, our Bluetooth loggers deliver research-grade accuracy with secure, timestamped data trails that support GLP and 21 CFR Part 11 documentation requirements.
Compliance Ready
GLP21 CFR Part 11ISO 17025CAP
Industry at a Glance
Key figures driving the need for environmental monitoring
$1M+
Value of irreplaceable biological samples stored in a single ultra-low freezer
Nature Biotechnology
2 Years
Minimum record retention period required for temperature monitoring data
CAP Standards
-80°C
Ultra-low freezer temperature requiring continuous monitoring
CAP / CLIA Requirements
55%
Small and mid-size labs lacking continuous environmental monitoring
Envigilance, 2026
Monitoring Challenges
Common obstacles in research & laboratories environmental monitoring
Irreplaceable Sample Protection
Biobanks, tissue repositories, and research collections contain samples that took years to collect and cannot be replaced. A single freezer failure can destroy decades of research work.
Ultra-Low Freezer Monitoring
Freezers operating at -80°C are prone to compressor failures, door seal degradation, and defrost cycle issues. Without continuous monitoring, failures go undetected for hours.
Clean Room Environmental Control
Clean rooms and controlled environments require precise temperature and humidity maintenance. Even minor deviations can invalidate experiments and contaminate sensitive work.
Data Integrity for Audits
Accreditation bodies require complete, tamper-proof records of environmental conditions. Manual logbooks introduce transcription errors and gaps that auditors flag during inspections.
Equipment Qualification
Incubators, environmental chambers, and refrigerators must be qualified and continuously verified. Independent sensor verification is required to confirm built-in displays are accurate.
After-Hours Failure Detection
Equipment failures that occur overnight, on weekends, or during holidays can go unnoticed for hours. By the time staff arrive, samples may be irreversibly damaged.
Regulatory Requirements
Environmental monitoring standards across major jurisdictions
United States
FDA 21 CFR Part 11 / CLIA / CAP
- 21 CFR Part 11 requires electronic records with audit trails and access controls
- CLIA mandates documented temperature monitoring for clinical laboratory equipment
- CAP accreditation requires continuous temperature monitoring with alarm systems
- Records must be retained for a minimum of 2 years and available for inspection
United Kingdom
UKAS ISO 17025 / GLP
- ISO 17025 requires environmental conditions to be monitored and recorded
- GLP mandates documented environmental controls for test facility operations
- Calibrated measurement equipment with documented traceability to national standards
- Quality management systems must include procedures for equipment monitoring
EU / International
ISO 17025 / GLP / ICH Guidelines
- ISO 17025 accreditation requires continuous monitoring of environmental conditions
- GLP compliance mandates environmental control records for all study areas
- ICH Q2/Q7 guidelines require documented environmental monitoring for manufacturing
- Data integrity principles apply to all electronically stored environmental records
How Blue Maestro Helps
Addressing research & laboratories monitoring challenges
Research-Grade Accuracy
±0.1°C precision meets the tight tolerances required for laboratory equipment verification, sample storage monitoring, and experimental environmental control.
Sample Protection
Continuous 24/7 monitoring of freezers, refrigerators, and storage units with instant Bluetooth alerts when temperatures deviate from configured safe ranges.
Data Integrity
Secure, timestamped data logging with non-editable records supports 21 CFR Part 11, GLP, and ISO 17025 documentation requirements for audits and accreditation.
Equipment Monitoring
Deploy independent sensors inside incubators, environmental chambers, and freezers to verify that built-in displays and control systems are performing accurately.
After-Hours Alerts
5-year battery life and gateway-connected cloud alerts mean monitoring continues through nights, weekends, and holidays without requiring staff to be on-site.
Compliance Documentation
Export CSV data for integration with LIMS, generate compliance reports, and maintain audit-ready records accessible from anywhere via bmCloud.
Why Disc Maxi for Research & Laboratories
Purpose-built features for research & laboratories monitoring
±0.1°C Accuracy
Research-grade precision provides independent verification of laboratory equipment, meeting the tight tolerances required for accreditation and quality assurance.
5-Year Battery Life
Deploy sensors inside freezers, incubators, and clean rooms without maintenance disruptions. No wiring or power outlets needed in controlled environments.
100,000 Reading Memory
Store over 3 years of data at 15-minute intervals, providing complete environmental records for accreditation reviews and regulatory inspections.
Bluetooth 5.3 Alerts
Lab staff receive instant push notifications on their smartphones when equipment temperatures deviate from safe ranges, enabling rapid sample-saving intervention.
Gateway Integration
Connect to bmCloud via BM Gateway for 24/7 remote monitoring, email alerts, and historical data access — critical for after-hours failure detection.
Calibration Certificate Available
UKAS-traceable calibration certificates available separately for laboratories requiring documented sensor accuracy verification for accreditation.
Laboratory Equipment Temperature Ranges
Equipment Type
Required Range
Alert Threshold
Ultra-Low Freezer
-80°C ±5°C (-112°F ±9°F)
> -75°C or < -85°C
Standard Freezer
-20°C ±5°C (-4°F ±9°F)
> -15°C or < -25°C
Refrigerator
2-8°C (36-46°F)
<1°C or >9°C
Incubator
37°C ±0.5°C (98.6°F ±1°F)
<36.5°C or >37.5°C
Clean Room
20-22°C (68-72°F) + 35-50% RH
<19°C or >23°C / RH outside range
Ranges based on CAP, CLIA, and ISO 17025 guidelines. Disc Maxi can be configured with custom alert thresholds for each piece of laboratory equipment.
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Getting Started
1
Audit Equipment
Inventory all temperature-critical equipment including ultra-low freezers, standard freezers, refrigerators, incubators, and environmental chambers. Document current monitoring methods and gaps.
2
Deploy Sensors
Place Disc Maxi sensors inside each piece of equipment. The compact 37mm design fits inside freezer compartments, incubator chambers, and clean room environments without interfering with operations.
3
Configure Alerts
Set temperature and humidity thresholds per equipment type using the free bmLogger app. Configure alert notifications to designated lab staff smartphones for immediate response.
4
Connect to Cloud
Install BM Gateway devices in the lab for 24/7 cloud monitoring via bmCloud. Access real-time dashboards, receive after-hours email alerts, and export compliance reports for accreditation.
Frequently Asked Questions
Which data logger is best for lab fridge and freezer monitoring?
The Disc Maxi Temp with Alerts ($41.99) fits most laboratory refrigerators and freezers: it logs with ±0.1°C accuracy and has a -40°C to +125°C operating range, covering both 2-8°C sample fridges and -20°C freezers, and its CR2477 battery lasts up to 5 years so the sensor can stay inside the unit between calibrations. For incubators and controlled rooms where humidity matters, the Disc Maxi 3-in-1 with Alerts ($43.50) uses a Sensirion SHT4x sensor for ±0.1°C temperature and ±3% RH humidity accuracy and stores 50,000 readings.
How do labs get alerts when a freezer fails overnight or on a weekend?
Connect your sensors to a BM Gateway ($89), which relays readings over WiFi from up to 40 sensors to bmCloud, so threshold breaches trigger alerts whether or not anyone is in the building. bmCloud is free for up to 5 sensors and 1 gateway, and the Small Business plan is $1 per sensor per month, adding SMS and phone-call alerts, webhooks, and scheduled reports. bmCloud runs at 99.9% uptime, and the BM Gateway with bmCloud is covered by a 30-day money-back guarantee.
How do I prove calibration traceability for ISO 17025 or CAP audits?
Order the Calibration Certificate ($65) with your sensors: it is UKAS/NIST-traceable, which is the documented link to national standards that accreditation assessors look for when reviewing monitoring equipment. Keep the certificate with your quality records alongside the sensor's logged data so every reading can be tied back to a verified instrument.
Do Blue Maestro data loggers support FDA 21 CFR Part 11 record keeping?
Blue Maestro supports 21 CFR Part 11-compatible workflows: readings are captured as timestamped records, and the bmCloud Small Business plan includes an audit log and scheduled reports for inspection-ready documentation. The free bmLogger app also exports CSV and PDF files when you need to hand records to an auditor. Part 11 compliance ultimately depends on your lab's own procedures and validation, so treat the system as the data-capture layer within your quality process.
Can I pull temperature data into our LIMS or quality system?
Yes. The Cloud Data API is a read-only REST API, and basic access is free on every bmCloud plan — generate keys under Account → API Keys and pull readings into your LIMS on your own schedule. The Small Business plan also adds webhooks for pushing events to other systems, and advanced API access is available on request.
Are these the same sensors as Tempo Disc?
Yes. Tempo Disc products were renamed Disc Maxi and Disc Mini in 2026, and the hardware is the same. Existing Tempo Disc sensors in your lab continue to work with the free bmLogger app and bmCloud alongside units ordered under the new names.
Protect Your Research Investment
Our team in the US and UK can help design a laboratory monitoring solution tailored to your equipment, sample storage needs, and accreditation requirements.