UNI-T A57 BT Temperature & Humidity Datalogger
The UNI-T A57 BT Temperature & Humidity Datalogger is a Bluetooth-enabled environmental monitoring device designed for long-term recording and analysis of temperature and humidity. It supports both internal sensing and external temperature/humidity probes, making it ideal for applications such as food processing, cold-chain transportation, warehousing, laboratories, HVAC monitoring, and compliance reporting. This datalogger offers reliable performance, large memory capacity, configurable alarms, and data analysis through mobile app or PC software.
Key Features
- Measures temperature and humidity with high accuracy using internal and external sensors.
- Bluetooth connectivity for real-time monitoring and configuration via TempLink mobile app or PC software.
- Audible and visible alarms when values exceed set limits.
- Large data storage capacity: up to 64,000 records.
- Record interval configurable from 10 seconds up to 24 hours via app/PC.
- Flexible start modes: button, software, or scheduled start.
- Rear magnetic and wall-mount design for easy installation.
- USB-C port for power supply and USB connection.
- IP54 dust and splash resistance for harsh environments.
- Long working life: up to 2 years under typical conditions.
Specifications
Temperature & Humidity Sensors
- External Temperature Range: −40 °C to +85 °C (−40 °F to 185 °F)
- Humidity Range: 0 % to 100 % RH
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Temperature Accuracy (External Sensor):
- 0 °C to 60 °C: ±0.3 °C (±0.6 °F)
- −40 °C to 0 °C: ±0.5 °C (±0.9 °F)
- 60 °C to 85 °C: ±0.5 °C (±0.9 °F)
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Humidity Accuracy:
- 0 %–90 % RH: ±2.5 % RH (at 25 °C)
- 90 %–100 % RH: ±3.5 % RH (at 25 °C)
Internal Sensor
- Range: −40 °C to +85 °C (−40 °F to 185 °F)
- Accuracy (Internal Temperature): ±0.4 °C to ±1.0 °C depending on range
General Specifications
- Resolution: 0.1 °C / 0.1 % RH
- Record Capacity: 64,000 sets
- Display: LCD with backlight
- Record Functions: MAX, MIN, AVG
- Record Interval: 10 s to 24 h (configurable)
- Battery: Single-use Li-SOCl₂ 3.6 V 2700 mAh (ER14505)
- IP Rating: IP54 (dust & splash resistant)
- Working Conditions: −40 °C to +85 °C, ≤99 % RH
- Dimensions: Approx. 104 × 62 × 25 mm
- Weight: Approx. 110 g (with battery)
Included Accessories
- Battery (ER14505)
- USB-C cable
- External temperature/humidity probe
- Wall-mount screws and expandable plugs
- Quick start guide and instruction manual
Applications
The UNI-T A57 BT is suited for environmental monitoring in:
- Cold-chain logistics and transportation
- Warehouse and storage facilities
- Food processing and pharmaceutical environments
- HVAC system monitoring and facilities management
- Laboratories and clean environments
This Bluetooth temperature & humidity datalogger provides reliable, long-term environmental monitoring with flexible recording options, strong protection, and seamless data access via mobile app or PC.
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