


PTE50 / PTE90 Ultra-Low Temperature Datalogger
Model: PTE50 / PTE90
The PTE50 and PTE90 are reusable USB temperature dataloggers with an external probe and display, designed for freezers, ultra-low temperature storage and dry-ice use. The probe measures down to -50 °C (PTE50) or -90 °C (PTE90). Both store up to 33,000 points, generate PDF or CSV reports automatically and are configured through the Polwax Config web application.
- External temperature probe with display
- Probe range down to -50 °C (PTE50) or -90 °C (PTE90)
- Automatic PDF/CSV reports via USB 2.0
- Replaceable CR2450 battery
- Web-based configuration at config.polwax.it
| Parameter | Value |
|---|---|
| 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 |
| 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 |
| 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 |
| Protection class | IP65 (ABS body) |
| Dimensions | 109.5 × 40 × 13.5 mm |
| Weight | 41.4 g |
| Model | Part code | Measuring range |
|---|---|---|
| PTE50 | 0394 0150 | -50 °C ~ 70 °C |
| PTE90 | 0394 0190 | -90 °C ~ 70 °C |
Freezers and ultra-low temperature storage
Dry-ice shipments
Pharmaceuticals, vaccines, and biologics
Laboratories and biotech
Scope of supply
- Datalogger
- Test certificate
- Instruction manual
Cold chain transport
Interact with the simulation – change the conditions and see how the PTE50 / PTE90 responds.
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