Temperature & Humidity Data Logger with Alarm – SMS Alerts, USB, LCD Display S500 Series GSM

Product Description

The S500 Series GSM Temperature & Humidity Data Logger is designed for reliable monitoring and instant alarm notifications. Equipped with GSM communication, it can send SMS alerts to user-defined phone numbers when readings exceed set thresholds, and send recovery messages when values return to normal.

Users can also obtain real-time data via SMS by calling the device. Built with high-accuracy Swiss/American sensors, the S500 ensures precision and long-term stability. It includes a large LCD display, local sound/light alarms, and data storage with USB download support.

This makes the S500 ideal for agricultural research, food safety, pharmaceuticals, environmental monitoring, and laboratories.

Key Features

• GSM alarm with SMS alerts to multiple phone numbers

• Real-time data access by calling the device

• Sends power-off notifications via GSM

• Built-in sound and light alarms with LED indicator

• Wide GSM frequency support: GSM850/900/1800/1900MHz

• High-accuracy temperature and humidity sensors (Swiss/USA origin)

• Large LCD display for real-time temperature, humidity, and data logging

• 65,000 record storage capacity with USB data download

• Configurable logging interval: 2 seconds to 24 hours

• Powered by 9V block battery with external DC support

• User calibration supported

S500-EX-GSM Specifications

• Sensor Type: External sensor with 3m cable

• Temperature Range: -40 ~ +85℃

• Temperature Accuracy: ±0.3℃

• Humidity Accuracy: ±3% RH

• Resolution: 0.1°C / 0.1% RH

• Storage Capacity: 65,000 records

• Logging Interval: 2 seconds – 24 hours

• Display: LCD, 88 × 55 mm (3.46″ × 2.16″)

• Dimensions: 135 × 124 × 35 mm (5.31″ × 4.88″ × 1.37″)

• Weight: 330g

• Power Supply: 1 × 9V Block Battery, supports 9–12V DC external power

• Alarms: GSM SMS alerts, sound and light alarms, LED flash when limits exceeded

• GSM Frequency Bands: GSM 850/900/1800/1900 MHz

• Data Export: USB interface (CSV format)

• Certificates: CE, ISO

Included Accessories

• 9V Block Battery

• USB Cable

• PC Software

• User Manual

• Mounting Screws

Optional Accessories: AC-DC adapter, external sound & light alarm

Applications

The S500 GSM Data Logger is widely used in:

• Agricultural research and greenhouse monitoring

• Food industry and cold chain logistics

• Medical and pharmaceutical storage

• Environmental protection and laboratories

• Electronics and industrial facilities