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Product Overview:
The Lutron HT-305 is an intelligent and professional Pocket Humidity Meter, specifically designed as an economical yet high-performance instrument. This single device combines the measurement capabilities for Humidity, Temperature, and Dew Point, making it a versatile tool for environmental monitoring. Built with a heavy-duty, compact housing case, the HT-305 is designed for easy portability and operation. Its reliance on a custom one-chip microprocessor LSI circuit ensures maximum possible accuracy, specialized functions, and features.
Core Features and Functionality:
The HT-305 offers precision and efficiency through several key functions:
• Triple Measurement: Measures relative humidity (%RH), temperature (in °C or °F), and calculates the Dew Point automatically.
• High Resolution: Provides detailed readings with a resolution of 0.1 %RH for humidity and 0.1 degree for temperature readings.
• Dual LCD Display: Features a large dual-function LCD display (44 mm x 29 mm) that shows both the humidity and temperature values simultaneously for easy readout.
• Separate Probe: Includes a separate humidity and temperature probe (197 mm in length) which facilitates remote measurement and simplifies operation.
• Fast Response: Offers a fast humidity measuring response time, typically ranging from 5 to 30 seconds.
• Smart Functions: Equipped with automatic temperature compensation for accurate humidity measurement, Data Hold to freeze displayed values, and Memory Recall for recording and viewing Maximum and Minimum values.
• Power Management: Features an auto shut-off function to conserve battery life and a built-in low battery indicator. It operates using a 006P DC 9V battery.
Applications:
The Lutron HT-305 is a versatile environmental measurement device suitable for various settings where accurate climate data is critical.
• Industrial Uses: Ideal for general industrial processes and quality control.
• HVAC Systems: Used for monitoring and maintenance of Heating, Ventilation, and Air Conditioning (HVAC) systems.
• Controlled Environments: Suitable for testing environments such as laboratories and clean rooms.
• General Monitoring: Applicable in areas like food processing, weather stations, and refrigeration units.
Technical Specifications (Model: HT-305):
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Specification
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Detail
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Manufacturer
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Lutron
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Compliance
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ISO-9001, CE, IEC1010
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Measurement Parameters
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Humidity (%RH), Temperature (°C/°F), Dew Point (°C/°F)
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Humidity Range
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10 % to 95 % R.H.
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Humidity Resolution
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0.1 % R.H.
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Temperature Range (Probe)
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-20 °C to 60 °C (-4 °F to 140 °F)
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Temperature Range (Main Unit Operating)
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0 °C to 50 °C (32 °F to 122 °F)
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Temperature Resolution
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0.1 degree
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Dew Point Range
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-25.3 °C to 48.9 °C / -13.5 °F to 120.1 °F
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Dew Point Resolution
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0.1 degree
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Humidity Accuracy (< 70% RH)
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± 3 %RH
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Temperature Accuracy
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± 0.8 °C / ± 1.5 °F
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Display
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LCD size: 44 mm x 29 mm dual function LCD display
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Response Time
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5 to 30 seconds typically (@ reaching 85% reading value)
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Sampling Time
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Approx. 0.8 second
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Circuit
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Custom one-chip microprocessor LSI circuit
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Power Supply
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006P DC 9V battery (Alkaline or Heavy duty type)
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Power Current
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Approx. DC 4.6 mA
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Main Instrument Dimension
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135 x 60 x 33 mm (5.3 x 2.4 x 1.3 inch)
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Humidity Sensor Probe Length
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197 mm (7.8 inch)
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Weight
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264 g / 0.67 LB (Battery included)
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Included Accessories
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Instruction manual, Humidity probe
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Optional Accessories
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Hard carrying case (CA-06), Soft carrying case (CA-05A)
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Product overview
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