Applications Ultra-low temperature freezer monitoring (-80°C) Power outage detection and notification Cryogenic tank temperature monitoring -150°C chest freezer temperature monitoring Features and Benefits Gap-free data logging via onboard memory during network unavailability 0.01°C measurement resolution Real-time high/low limit alerts Up to two years of operation on an internal battery Factory calibrated with traceable certificate; ready at first power-up Min/Max reset for focused event analysis Secure WiFi connectivity for remote supervision Minimizes sample loss through early deviation detection Supports power outage awareness and rapid response Audit-ready records aligned with GxP/GMP Enhances operational resilience and continuity Technical Specifications Parameter: Temperature Sensor type: Pt100 RTD (supports 2-, 3-, or 4-wire probes) Measurement range: Probe-dependent; suitable for ULT and cryogenic applications (approximately -196 to +100°C) Resolution: 0.01°C System accuracy: Probe-dependent; typically ±0.2°C within calibrated range Connectivity: WiFi 2.4 GHz (IEEE 802.11 b/g/n), WPA2-PSK security Data logging: Onboard timestamped buffer preserves records during network interruptions Alarms: Configurable high/low thresholds and connectivity/power events Power: Internal lithium battery, up to 2 years typical at standard settings Configuration: User-configurable sampling and reporting intervals Compatibility: External low-temperature RTD probes for freezers and cryogenic tanks What's in the Box ATEK WiFi RTD temperature transmitter Low-temperature Pt100 RTD probe with cable Pre-installed battery Mounting kit Quick start guide Calibration certificate
Reference
ATEK-T-WF-RTD-LT
Data sheet
Parameters
Temperature
Applications
Cold Storage Warehouse
Liquid Nitrogen Cryogenic Tank -196°C
Ultra Low Temperature Freezer -80°C
Industries
Biobank
Fundamental Research
Hospital Pharmacy
Microbiology
Vaccination