Multi-Use Dataloggers · Multi-Use USB Dataloggers
PTE50 / PTE90 Ultra-Low Temperature Datalogger
Model PTE50 / PTE90
Multi-use dataloggers with external probe for ultra-low temperatures: down to -50 °C (PTE50) or -90 °C (PTE90).
- Range
- PTE50: -50~70 °C · PTE90: -90~70 °C (probe)
- Accuracy
- ±0.4 °C
- Sensor
- External probe
- Memory
- 33,000 points
Overview
The PTE50 and PTE90 are reusable USB temperature dataloggers with an external probe and display, for freezers, ultra-low temperature storage and dry-ice applications. The probe measures down to -50 °C (PTE50) or -90 °C (PTE90).
Both models store up to 33,000 points, generate PDF / CSV reports automatically and are configured in the Polwax Config web application.
Key features
- External temperature probe with display
- Probe range down to -50 °C (PTE50) or -90 °C (PTE90)
- Automatic PDF / CSV report via USB 2.0
- Replaceable CR2450 battery
- Web-based configuration (config.polwax.it)
Technical specifications
Measurement ranges & outputs
| Input parameters | Temperature (external sensor) |
|---|---|
| Measuring range – PTE50 | -50 °C ~ 70 °C (probe only) |
| Measuring range – PTE90 | -90 °C ~ 70 °C (probe only) |
| Measurement accuracy | ±0.4 °C |
| Resolution | 0.1 °C |
General
| Memory | Up to 33,000 points |
|---|---|
| Logging interval | 1 minute – 24 hours (default 5 minutes) |
| Start delay | 0 minutes – 24 hours (default 10 minutes) |
| Start mode | Manual / auto start |
| Report generation | Automatic & selectable (PDF / CSV / both) |
| LED indicator | Green (recording, OK), red (alarm) |
| Display | With display |
| Language | English |
Power supply & connectivity
| Connection | USB 2.0 |
|---|---|
| Configuration | Web-based application: config.polwax.it |
| Battery type | 3.0 V CR2450 (replaceable) |
| Battery life | Up to 2 years (1 year storage / 1 year useful life) @ 25 °C, 5 minutes logging interval |
Installation & environment
| Protection class | IP65 (ABS body) |
|---|---|
| Dimensions | 109.5 × 40 × 13.5 mm |
| Weight | 41.4 g |
Models
| Model | Part code | Measuring range (probe) |
|---|---|---|
| PTE50 | 0394 0150 | -50 °C ~ 70 °C |
| PTE90 | 0394 0190 | -90 °C ~ 70 °C |
Specifications are subject to change. Please check the current datasheet or ask our team before ordering.
Applications & industries
Scope of supply
- Datalogger
- Test certificate
- Instruction manual
Downloads & software
Product enquiry
Request a quote for PTE50 / PTE90 Ultra-Low Temperature Datalogger
Tell us about your application — what you need to measure, the range, number of points and where the instrument will be installed. Our team will reply with a recommendation and quotation.
- Technical advice on model and options
- Quotation for your quantity
- Datasheets and documentation on request
Related POLWAX products
All dataloggers
PTRANS Series
PTRANS TD90 Single-Use Dry Ice Datalogger
Model PTRANS TD90
Single-use temperature datalogger with display for dry-ice shipments, operating from -90 °C to 70 °C.
- Range
- -90 °C ~ 70 °C
- Memory
- Up to 33,000 points
- Battery
- 3.6 V lithium
- Interface
- USB 2.0
Applications: Dry-ice shipments · Pharmaceutical & biotech samples · Ultra-low temperature transport
Multi-Use USB Dataloggers
PTD50 / PRH50 Multi-Use Datalogger
Model PTD50 / PRH50
Reusable temperature (PTD50) and temperature/humidity (PRH50) USB dataloggers with LCD display, up to 6 alarms and replaceable battery.
- Range
- -30 to 70 °C (PRH50: + 0–100 % RH)
- Accuracy
- ±0.4 °C @ -10~40 °C
- Alarms
- Up to 6
- Memory
- 33,000 points
Applications: Pharmaceutical cold chain · Food & cold storage · Blood banks & healthcare
Software
Polwax Config – Datalogger Configuration Software
Model Polwax Config
Configure POLWAX single-use and multi-use dataloggers — recording, alarms, reports and start mode — in the web application.
- Platform
- Web application
- Loggers
- PTRANS, PTD50, PRH50, PTE50
- Languages
- EN, FR, DE, IT
Applications: Configuring single-use and multi-use dataloggers before shipment or storage
Multi-Use USB Dataloggers
PT70 / PRH70 Multi-Use Datalogger
Model PT70 / PRH70
Reusable USB dataloggers for temperature (PT70) or temperature and humidity (PRH70) with display and PDF/CSV reports.
- Range
- -30 to +70 °C (PRH70: + 0–100 % RH)
- Accuracy
- ±0.3 °C
- Interface
- USB 2.0
- Protection
- IP65
Applications: Pharmaceutical industry · Cold chain logistics · Warehousing & distribution