Multi Use Temperature & Humidity Data Logger
POLWAX PT70 and PRH70 are reusable USB data loggers designed for accurate environmental monitoring in temperature-sensitive storage, transportation and controlled environments. PT70 measures temperature, while PRH70 measures both temperature and relative humidity.
Reliable Reusable Monitoring for Temperature & Humidity
POLWAX PT70 and PRH70 Multi-Use Data Loggers are professional-grade environmental monitoring solutions designed for precise measurement and recording of critical storage and transportation conditions. They are suitable for pharmaceuticals, healthcare, laboratories, food storage, cold chain logistics, warehousing and other controlled environments.
PT70 is designed for temperature monitoring from -30°C to +70°C with an accuracy of ±0.3°C. PRH70 adds relative humidity measurement from 0–100% RH, with specified humidity accuracy of ±1.8% RH from 20–80% RH.
Both models provide 0.1°C temperature resolution, IP65 protection, configurable logging intervals, programmable alarm settings, USB 2.0 connectivity and PDF/CSV reporting. The supplied software supports web and desktop workflows, including 21 CFR Part 11 compliance software support.
Choose the Right Multi-Use Data Logger
Two models cover temperature-only and temperature-plus-humidity monitoring requirements.
PT70
A compact reusable data logger for accurate temperature monitoring in cold rooms, pharmaceutical storage, laboratories, food storage and refrigerated logistics.
PRH70
A reusable temperature and humidity data logger for applications where both environmental parameters must be monitored and documented.
PT70 & PRH70 Technical Specifications
Complete model comparison based on the supplied POLWAX product specifications.
| Specification | PT70 | PRH70 |
|---|---|---|
| Measurement Parameters | Temperature | Temperature & Humidity |
| Measuring Range | -30°C to +70°C | -30 to 70°C & RH: 0–100% |
| Measurement Accuracy | ±0.3°C | ±0.3°C & ±1.8% RH (20–80% RH) |
| Resolution | 0.1°C | 0.1°C / 0.1% RH |
| Response Time | ≤30 seconds | Not separately specified in supplied data |
| Software Support | Web & Desktop | Web & Desktop |
| Protection Class | IP65 | IP65 |
| Memory Capacity | Up to 32,000+ Readings | Up to 32,000+ Readings |
| Logging Interval | Configurable | Configurable |
| Alarm Limits | Programmable Alarm Settings | Programmable Alarm Settings |
| Interface | USB 2.0 | USB 2.0 |
| Report Format | PDF / CSV | PDF / CSV |
| Battery | Long-Life Battery, Replaceable | Long-Life Battery, Replaceable |
| Compliance | 21 CFR Part 11 Software Support | 21 CFR Part 11 Software Support |
Engineered for Reliable Environmental Monitoring
Key capabilities of the PT70 and PRH70 Multi-Use Data Logger family.
High-Accuracy Monitoring
PT70 measures temperature with ±0.3°C accuracy, while PRH70 combines temperature and humidity monitoring.
Wide Temperature Range
Both models support temperature measurement from -30°C to +70°C for demanding storage and transport environments.
Temperature & Humidity
PRH70 provides temperature and relative humidity measurement from 0–100% RH for broader environmental monitoring.
High-Capacity Memory
Store up to 32,000+ readings for extended monitoring and detailed historical analysis.
Flexible Reporting
Recorded data can be reported in PDF and CSV formats for analysis, documentation and audit requirements.
USB 2.0 Interface
USB 2.0 provides convenient connection and data retrieval without complex external interface hardware.
Programmable Alarms
Alarm settings can be configured to help identify temperature or humidity conditions outside required limits.
IP65 Protection
IP65 protection supports use in controlled industrial, warehouse, cold storage and logistics environments.
Reusable & Portable
The multi-use design supports repeated monitoring deployments, helping reduce the need for disposable loggers.
Web & Desktop Support
Software support enables convenient device configuration, data management and reporting workflows.
21 CFR Part 11 Support
Software support is available for 21 CFR Part 11-oriented monitoring and electronic data management workflows.
User-Friendly Configuration
Logging intervals, alarm thresholds, start/stop modes and reporting preferences can be configured through the software interface.
Secure Data Management with Web & Desktop Software
PT70 and PRH70 support web and desktop software workflows for configuring the data logger, managing recorded data and generating reports. The product information also specifies 21 CFR Part 11 compliance software support for regulated monitoring environments.
- Web & desktop software support
- Configurable logging interval
- Programmable alarm settings
- PDF and CSV report formats
- USB 2.0 data retrieval
- Data documentation and audit support
- 21 CFR Part 11 compliance software support
Configure, Download & Manage Your Monitoring Data
Use POLWAX software resources for compatible datalogger configuration and data management.
View Software Resources →Built for Critical Monitoring Environments
PT70 and PRH70 are suitable for controlled storage, transportation and industrial environmental monitoring.
Pharmaceutical Storage
Monitor environmental conditions for medicines, vaccines and other temperature-sensitive pharmaceutical products.
Cold Chain Logistics
Continuously record temperature and humidity during storage and transportation of sensitive products.
Healthcare Facilities
Support environmental monitoring in healthcare storage areas and controlled environments.
Food & Cold Storage
Monitor cold rooms, food storage areas and processing environments where temperature stability is important.
Laboratories
Record environmental conditions for laboratories and controlled research or testing environments.
Warehousing & Distribution
Monitor storage and distribution facilities to help maintain required environmental conditions.
Refrigerated Logistics
Track environmental conditions through refrigerated transportation and temperature-controlled supply chains.
Industrial Environments
Measure and record temperature or temperature and humidity in industrial areas requiring controlled monitoring.
Quality & Compliance
Generate documented environmental records for quality assurance, validation and compliance workflows.
Product Resources
Access technical documentation and software resources for PT70 and PRH70.
Reliable Temperature & Humidity Monitoring
The POLWAX PT70 and PRH70 Multi-Use Data Loggers provide accurate environmental monitoring, high-capacity data storage, flexible reporting and software support for pharmaceutical, cold chain, healthcare, laboratory, food, warehouse and industrial applications.


