HD-304 Digital Temperature & Humidity Meter

The HD-304 is a compact and versatile digital temperature and humidity meter engineered for professionals requiring accurate environmental monitoring. Designed for both indoor and outdoor use, this hyrometer offers comprehensive climate measurements including ambient temperature, dew point, and wet bulb temperature — all displayed on a large-screen LCD with backlight support.

Its fast response time, auto power off, and 99-group data logging functionality make it a reliable tool for HVAC technicians, laboratories, industrial environments, and environmental field work.

Key Features:

Multi-Function Measurement: Accurately reads ambient temperature, dew point, and wet bulb temperature.
High Accuracy & Resolution: ±1.0°C (0–45°C) temperature accuracy with 0.1°C resolution.
Wide Measurement Ranges: Measures temperature from -20°C to 60°C and humidity from 0% to 100% RH.
Large-Screen LCD Display: Equipped with a backlight for easy visibility in dark environments.
Data Logging: Stores up to 99 groups of data for later review and analysis.
Portable and Durable: Lightweight design with impact-resistant build, supplied with a hard carrying case.
Auto Power Off (APO): Saves battery life by automatically powering off after inactivity.

Technical Specifications:

Parameter	Specification
Model	HD-304
Product Type	Temperature and Humidity Meter
Ambient Temperature Range	-20°C to 60°C (-4°F to 140°F)
Dew Point Temperature Range	-50°C to 60°C (-58°F to 140°F)
Wet Bulb Temperature Range	-20°C to 60°C (-4°F to 140°F)
Temperature Accuracy	±1.0°C (0–45°C), ±1.5°C (other ranges)
Humidity Range	0% to 100% RH
Humidity Accuracy	±2.0% RH (20–90%), ±4.0% RH (0–10%, 80–100%)
Resolution	0.1°C / 0.1% RH
Display	Large-screen LCD with backlight
Power Supply	3 × 1.5V AA batteries
Auto Power Off	Yes
Data Logging	99 groups
Dimensions (H × W × D)	184 × 60 × 29 mm
Weight	190 g
Standard Accessories	Hard Carrying Case, Manual

Applications:

HVAC system monitoring
Warehouse and cold storage inspections
Laboratory and research usage
Environmental and field surveys
Agriculture and greenhouse conditions control

For further details and additional products, feel free to visit IndiaMART or Uniglobal Business.

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