Lutron PHB-318 Digital Humidity Barometer & Temperature Meter

Lutron PHB-318 Professional 3-in-1 Humidity, Barometer & Temperature Meter

The Lutron PHB-318 is a professional-grade environmental monitoring device that combines three essential measurement functions in one compact, handheld instrument. This ISO-9001 and CE certified meter delivers precise measurements of relative humidity, barometric pressure, and temperature with exceptional accuracy and reliability.

Key Features & Benefits Lutron PHB-318 Digital Humidity Barometer & Temperature Meter

• Complete Environmental Monitoring - Three professional measuring functions in one compact device
• Multiple Measurement Units - Barometer readings in hPa, mmHg, or inHg; temperature in °C or °F
• Dew Point Calculation - Automatically calculates and displays dew point temperature
• Fast Response Time - Quick humidity measurements for efficient environmental assessment
• Versatile Display Modes - Four selectable dual-display combinations: Lutron PHB-318 Digital Humidity Barometer & Temperature Meter
  • Humidity/Temperature
  • Humidity/Dew Point
  • Barometer/Temperature
  • Barometer/Humidity
• Memory Function - Records maximum and minimum readings with easy recall
• Energy Efficient - Auto power-off feature extends battery life
• Durable Construction - Strong, compact ABS-plastic housing for long-lasting performance
• Bright LCD Display - Clear, easy-to-read measurements (28 mm x 19 mm)
• Microprocessor Technology - Ensures high accuracy and enables special functions

Technical Specifications

Humidity Measurement Lutron PHB-318 Digital Humidity Barometer & Temperature Meter

• Range: 10% to 95% RH
• Resolution: 0.1% RH
• Accuracy:
  • ±(3% reading + 1% RH) for ≥70% RH
  • ±3% RH for <70% RH
• Sensor type: Capacitance humidity sensor, semiconductor

Dew Point Measurement (Calculated) Lutron PHB-318 Digital Humidity Barometer & Temperature Meter

• Range: -25.3 to 48.9°C (-13.5 to 120.1°F)
• Resolution: 0.01°C/0.01°F
• Accuracy: Combined accuracy of humidity and temperature measurements

Barometric Pressure Measurement Lutron PHB-318 Digital Humidity Barometer & Temperature Meter

• Range and accuracy (multiple units):
  • hPa: 10.0 to 999.9 hPa (0.1 hPa resolution, ±1.5 hPa accuracy)
  • hPa: 1000 to 1100 hPa (1 hPa resolution, ±2 hPa accuracy)
  • mmHg: 7.5 to 825.0 mmHg (0.1 mmHg resolution, ±1.2 mmHg accuracy)
  • inHg: 0.29 to 32.48 inHg (0.01 inHg resolution, ±0.05 inHg accuracy)
• Sensor type: Semiconductor

Temperature Measurement Lutron PHB-318 Digital Humidity Barometer & Temperature Meter

• Range: 0 to 50°C (32 to 122°F)
• Resolution: 0.1°C/0.1°F
• Accuracy: ±0.8°C/±1.5°F
• Sensor type: Semiconductor

General Specifications

• Display: LCD (28 mm x 19 mm)
• Sampling time: Approximately 1 second
• Data hold function: Freezes the display reading
• Memory: Records maximum and minimum values with recall function
• Power saving: Auto power off or manual off (REC function)
• Power supply: DC 1.5V battery (UM4/AAA) x 4 PCs
• Power consumption: Approximately DC 3.0 mA
• Operating temperature: 0 to 50°C
• Operating humidity: Less than 80% RH
• Weight: 157g/0.35 LB (including battery)
• Dimensions: 210 x 40 x 40 mm (8.3" x 1.6" x 1.6")

Package Includes

• PHB-318 Humidity/Barometer/Temperature Meter
• Batteries (installed)
• Instruction manual

Optional Accessories

• Soft carrying case with sash (210 x 80 x 50 mm), Model: CA-52A

Applications

The Lutron PHB-318 is ideal for a wide range of environmental monitoring applications:

• HVAC System Testing - Verify proper operation of heating, ventilation and air conditioning systems
• Weather Monitoring - Track local atmospheric conditions with professional accuracy
• Building Inspection - Identify potential moisture and ventilation issues
• Indoor Air Quality Assessment - Monitor comfort and health parameters in residential and commercial spaces
• Laboratory Environment Control - Ensure optimal conditions for sensitive experiments and equipment
• Greenhouse Management - Maintain ideal growing conditions for plants
• Storage Environment Monitoring - Protect sensitive materials from humidity and temperature damage

The Lutron PHB-318 combines professional-grade measurement capabilities in a compact, easy-to-use device, making it the perfect tool for anyone needing accurate environmental monitoring in a portable format. With its multiple measurement functions and durable construction, this meter delivers exceptional value for both professional and personal use.