HTC 288-ATH Indoor / Outdoor Thermo Hygrometer

HTC 288-ATH Indoor / Outdoor Thermo Hygrometer

Professional Indoor & Outdoor Temperature & Humidity Monitor with External Sensor

The HTC 288-ATH Indoor / Outdoor Thermo Hygrometer is a high-precision digital environmental monitoring instrument designed to measure indoor and outdoor temperature, relative humidity, and time simultaneously. Equipped with a 3-meter external temperature probe, this versatile device allows users to monitor environmental conditions in two locations at once, making it ideal for laboratories, warehouses, pharmaceutical facilities, greenhouses, cold storage rooms, offices, homes, and industrial environments.

Its large three-line LCD display, comfort level indicator, and MAX/MIN memory functions provide quick and accurate environmental monitoring for professional as well as everyday applications.

Key Features

• Measures indoor and outdoor temperature simultaneously
• Built-in humidity measurement for indoor environments
• 3-meter external temperature sensor for remote monitoring
• Large 3-line LCD display for easy reading
• Displays temperature, humidity, and clock simultaneously
• Comfort level indicator showing COMFORT, WET, and DRY
• MAX/MIN memory for temperature and humidity readings
• Selectable °C / °F temperature units
• Calendar, alarm clock, and 12/24-hour clock display
• Compact tabletop design with simple operation
• Reliable and accurate measurements for continuous monitoring

Technical Specifications

Parameter  Specification

Model : HTC 288-ATH

Temperature Range (Indoor/Outdoor) : -50°C to 70°C (-58°F to 158°F)

Temperature Resolution : 0.1°C / 0.1°F

Temperature Accuracy : ±1.0°C (±1.8°F)

Humidity Range : 10% RH to 99% RH

Humidity Resolution : 1% RH

Humidity Accuracy : ±5% RH (35%–75% RH), otherwise ±10% RH

Display : Large 3-Line LCD

Temperature Units : °C / °F Selectable

External Sensor Cable : 3 meters

Clock : 12/24 Hour Format

Power Supply : 1 × AAA 1.5V Battery

Dimensions : Approx. 105 × 97 × 22

Applications

The HTC 288-ATH is suitable for monitoring environmental conditions in:

• Laboratories and research facilities
• Pharmaceutical and biotechnology industries
• Cold storage rooms and refrigerators
• Warehouses and inventory storage
• Greenhouses and agricultural applications
• Hospitals and healthcare facilities
• Offices and commercial buildings
• Homes and living spaces
• Museums, archives, and libraries
• Food processing and storage facilities

Benefits

• Monitor indoor and outdoor temperatures from a single device.
• Remote probe allows measurement in hard-to-reach or enclosed areas.
• Helps maintain optimal environmental conditions for sensitive materials and equipment.
• Large LCD provides clear, easy-to-read measurements.
• Comfort indicator offers instant assessment of indoor humidity levels.
• MAX/MIN memory helps track environmental fluctuations.
• Compact, energy-efficient design with long battery life.
• Ideal for both professional monitoring and everyday home use.

Package Contents

• HTC 288-ATH Indoor / Outdoor Thermo Hygrometer
• 3-meter External Temperature Sensor
• 1 × AAA Battery
• User Manual

Why Choose the HTC 288-ATH?

The HTC 288-ATH combines accurate temperature and humidity measurement with the convenience of a remote outdoor sensor, making it an excellent choice for users who need dependable environmental monitoring across multiple locations. Whether you’re managing laboratory conditions, monitoring storage environments, or maintaining comfort at home, this thermo hygrometer delivers reliable performance, user-friendly operation, and long-lasting durability in one compact instrument.