Real-Time Temperature Data Loggers
ZTAG-20GTH-LI Single-Use Real-Time Temperature & Humidity Data Logger
Single-use 4G real-time temperature & humidity data logger with LBS location tracking, email & app alerts and cloud PDF reports. Range -20°C to 70°C, 0-100%RH — built for pharma, vaccine and food cold chain shipments.
Specifications
- Model
- ZTAG-20GTH-LI
- Device Type
- Single-Use
- Detection Parameters
- Temperature, Humidity, Location
- Temperature Range
- -20°C ~ 70°C (-4°F ~ 158°F)
- Temperature Accuracy
- ±0.5°C @ -10~70°C; ±0.8°C @ -20~-10°C
- Humidity Range
- 0% ~ 100%RH
- Humidity Accuracy
- ±3%RH @ 20~80%RH; ±4%RH @ others
- Resolution
- 0.1°C / 0.1%RH
- Communication
- Global 4G Cat1 + 2G
- Positioning
- LBS
- SIM Card
- Embedded, global data roaming
- Logging Capacity
- 33,000 data points
- Battery
- 3000mAh lithium
- Battery Life
- 10–120 days (depends on report interval)
- Shelf Life
- 6 months
- Protection Level
- IP64
- Interface Type
- -C (charging, PC communication, direct report output)
- Dimensions
- 100 × 62.5 × 23 mm
- Weight
- 112.5 g
- Certifications
- CE, UN38.3, RoHS, EN12830, RTCA/DO-160G
The ZTAG-20GTH-LI is a single-use real-time data logger built for cold chain shipments of pharmaceuticals, biologics, vaccines and fresh food. It continuously monitors temperature, humidity and location throughout transit and uploads every reading to the cloud platform over the global 4G Cat1 + 2G network — so you can check the condition of any shipment at any time, from anywhere, and act before an excursion becomes a loss.
Key Features
- Real-time visibility: temperature, humidity and LBS location reported live to the cloud platform, with immediate email and app (Android & iOS) alerts the moment a threshold is breached.
- Fast, accurate sensing: independent sensing chamber with dual-side airflow, ±0.5°C accuracy from -10°C to 70°C, 0.1°C / 0.1%RH resolution.
- Ready for the journey: ePTFE waterproof membrane, IP64 protection and a compact 112.5 g housing that travels inside the shipment.
- No data loss, ever: 33,000-point on-device memory — if the network drops, data is stored locally and auto-uploads once reconnected.
- Zero retrieval work: embedded global-roaming SIM and single-use design — activate, place in the shipment, read reports from the cloud. No receivers, no returns, no software to install.
- Clear on-device display: current / max / min / avg temperature, humidity, alarm status, signal and battery level, plus an open-box indicator for tamper evidence.
- Remote configuration of alarm thresholds, report interval and battery life before start-up; reports downloadable via Type-C or the cloud platform.
- Air-freight ready: RTCA/DO-160G compliant — the logger keeps reporting in flight and can be shipped by air even while active.
Applications
- Pharmaceutical and vaccine distribution
- Biologics and clinical trial logistics
- Fresh food, seafood and produce export
- Cold chain warehousing and last-mile delivery
How It Works
- Configure alarm thresholds and start the logger remotely or on-device.
- Place it in the shipment — it reports temperature, humidity and location in real time.
- Monitor live data and alerts on cloud.loggernet.com or the LoggerNet app, and download PDF/CSV reports via Type-C or the cloud.
