UNI-T A57 BT Bluetooth Temperature Humidity Data Logger — 64,000 Records

UNI-T A57 BT Bluetooth Temperature Humidity Data Logger in Sri Lanka

Industrial-Grade Wireless Environmental Recorder with 64,000-Record Capacity & 2-Year Battery Life

The UNI-T A57 BT Bluetooth Temperature Humidity Data Logger is a high-capacity, long-running environmental recorder built for cold chain logistics, pharmaceutical storage, food processing, and warehousing applications. With a massive 64,000-set data storage capacity, IP54 ingress protection, and an industry-leading 2-year battery life from a single Li-SOCl₂ cell, the A57 BT is designed for demanding continuous monitoring deployments where reliability and longevity are non-negotiable.

Discover our complete selection of Temperature Humidity Meters — digital hygrometers, data loggers, and environmental monitors in Sri Lanka!

The A57 BT connects wirelessly to the TempLink mobile app (Android / iOS) for real-time viewing, alarm management, and report generation. An onboard USB Type-C port enables PC software connectivity for full data export in professional reporting formats. The device supports multiple sensor inputs — including an internal NTC sensor, an external NTC temperature probe, and an external temperature-humidity integrated probe — making it a true multi-environment cold chain data logging solution.

Technical Specifications

Temperature Range (External T+RH Probe): -40°C ~ 85°C (-40°F ~ 185°F)

Temperature Accuracy: ±0.3°C (0°C~60°C) | ±0.5°C (other ranges)

Humidity Range: 0% ~ 100% RH

Humidity Accuracy: ±2.5% RH (0~90% RH at 25°C) | ±3.5% RH (90~100% RH)

Resolution: 0.1°C / 0.1°F / 0.1% RH

Data Storage: 64,000 sets

Record Interval: 10 seconds ~ 24 hours (configurable via PC / App)

Battery: Li-SOCl₂ 3.6V 2700 mAh (ER14505) | Working time: up to 2 years

Communication: Bluetooth + USB Type-C

Mobile App: TempLink (Android & iOS)

PC Software: Yes (A56 BT / A57 BT software)

IP Rating: IP54 (dust and splash resistant)

Alarm: Audible buzzer + LED visual alarm

Startup Modes: Button / Software / Scheduled booking start

Mounting: Rear magnet + wall-mount bracket (screws included)

Dimensions: 104 mm × 62 mm × 25 mm | Weight: ~110 g

Certifications: CE, RoHS

Key Features

64,000-Set Record Capacity: Sufficient for years of continuous interval logging without data overflow

2-Year Battery Life: Single Li-SOCl₂ cell eliminates frequent battery servicing on remote deployments

IP54 Protection: Dust-resistant and splash-proof for use in warehouses, refrigerated trucks, and cold rooms

Multiple Sensor Support: Accepts internal NTC, external NTC temperature probe, and external temperature-humidity integrated probe

Scheduled Start: Booking mode enables pre-programmed recording commencement for shipment and cold chain applications

MAX/MIN/AVG: Statistical analysis of recorded environmental data

Magnetic Wall Mount: Built-in rear magnet and wall bracket screws for flexible installation

USB Type-C Power Supply: Device can also operate on continuous USB power in fixed installations

Applications

Pharmaceutical and vaccine cold storage chain monitoring

Food processing, refrigerated transport, and freezer compliance logging

Laboratory and cleanroom long-term environmental data recording

Warehouse and logistics temperature humidity quality audit trails

Package Includes

1 × UNI-T A57 BT Data Logger main unit

1 × External temperature-humidity integrated probe

1 × Li-SOCl₂ 3.6V battery (installed)

1 × USB Type-C cable

2 × Wall-mount screws + 2 × expandable rubber plugs

Quick start guide, safety instruction, and download operation guide

For real-time cloud-based monitoring over WiFi with SMS and email alerts, explore the Elitech RCW-800W WiFi IoT Temperature Humidity Data Logger.

Downloads

📄 Download UNI-T A57 BT Data Sheet
📄 Download UNI-T A57 BT User Manual