
Ultra-Low Temperature Data Loggers
ZTAG-90T Single-Use Ultra-Low Temperature Data Logger for Dry Ice Shipping
Single-use ultra-low temperature data logger down to -90°C for dry ice shipping of vaccines, biologics and frozen seafood. One-click start, auto encrypted PDF report, IP65 housing, air-transport compliant (RTCA/DO-160G).
Specifications
- Model
- ZTAG-90T
- Device Type
- Single-use
- Battery Life
- Up to 60 days (1-year shelf life), 5-minute logging interval
- Operation Temperature
- -90°C ~ 70°C
- Measurement Accuracy
- ±0.5°C @ -10~40°C; ±0.8°C @ -30~-10°C & 40~70°C; ±1°C @ -90~-30°C
- Resolution
- 0.1°C
- Alarm Limit
- Up to 4 individually programmable alarm limits
- Logging Interval
- 1 minute - 24 hours optional (default 5 minutes)
- Memory Space
- Up to 33,000 data points
- Start Delay
- 0 minute - 24 hours optional (default 15 minutes)
- Start Mode
- Manual start
- Report Format
- PDF/CSV/PDF&CSV (optional, configured before leaving the factory)
- IP Grade
- IP65
- Battery Type
- 3.6V Lithium Battery
- Connection
- USB2.0
- Weight
- 30 g
- Dimensions
- 105 × 40 × 10 mm
- Certification
- CE, EN12830:2018, RTCA/DO-160G, RoHS
The ZTAG-90T is a single-use ultra-low temperature data logger designed specifically for dry ice shipping environments, reliably monitoring temperatures as low as -90°C. It is the trusted choice for biopharmaceutical, life sciences and frozen food cold chains where temperature control is mission-critical — from vaccine distribution and clinical trial shipments to biological sample transport and premium frozen seafood exports, it delivers accurate end-to-end temperature recording and traceability.
Key Features
- Ultra-low monitoring: reliable recording down to -90°C, with a wide -90°C to 70°C measurement range.
- One-click start, auto report: automatically generates an encrypted PDF report — no software installation required, plug-and-read simplicity.
- Industrial-grade LCD clearly displays device status, real-time temperature and battery level.
- Rugged IP65 housing withstands demanding dry ice shipping conditions.
- Air-freight ready: fully compliant with RTCA/DO-160G — the device can be shipped by air even while active.
- Flexible alarming: up to 4 individually programmable alarm limits; logging interval 1 minute to 24 hours; up to 33,000 data points.
- Long endurance: up to 60 days of useful life with a 1-year shelf life.
Applications
- Vaccine distribution and cold chain logistics
- Clinical trial and biological sample transport
- Biopharmaceutical and life sciences shipping
- Premium frozen seafood export
How It Works
- Click to start, optionally with a start delay of 0-24 hours.
- Place the logger inside the dry ice shipment.
- Stop on arrival and plug into any computer via USB — the encrypted PDF/CSV report generates automatically.