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Detailed Product Description:
Product Overview:
The Model HT-306S is a professional-grade 4-in-1 Humidity/Thermometer engineered for high-precision environmental measurement. This meter utilizes a custom one-chip microprocessor LSI circuit to ensure high accuracy and features automatic temperature compensation for humidity readings. It is certified to international standards, including ISO-9001, CE, and IEC1010.
Key Measurement Capabilities (4-in-1 Functionality):
The HT-306S provides simultaneous readings for four crucial environmental variables, alongside a wide-range external temperature channel:
• Humidity (%RH): Uses a high-precision capacitance type sensor with integrated temperature sensing, offering a specified operating range of 10% to 95% RH and fast response time.
• Ambient Temperature: Measured via a built-in sensor within the range of 0 to 50 °C (32 to 122 °F).
• Dew Point: The display value for Dew Point is automatically calculated from the measured humidity and ambient temperature, covering a range of -25.3 to 48.9 °C (-13.5 to 120.1 °F).
• Wet Bulb: The Wet Bulb reading is also automatically calculated from the humidity and temperature input, ranging from -21.6 to 50.0 °C (-6.9 to 122 °F).
• Type K Temperature: Features a dedicated channel and standard 2-pin socket for external Type K thermocouples, allowing for wide-range temperature measurements up to 1300.0 °C (2372.0 °F).
Advanced Operational Features:
Designed for ease of use and professional application, the HT-306S includes several key features to assist technicians and researchers:
• Large Dual LCD Display: The meter features an LCD display (size 46 mm x 28 mm) with two readouts, enabling easy, simultaneous monitoring of dual functions (like temperature and humidity).
• Data Handling: The instrument includes a Data Hold function to freeze the current display reading. It also records and allows recall of Maximum and Minimum readings for monitoring extremes.
• Speed and Accuracy: It boasts a fast response time for humidity measurement and a display Sampling Time of approximately 1 second, ideal for dynamic testing scenarios.
• Power Management: To conserve battery life, the meter can default to auto power off, though it can also be manually shut off. A built-in low battery indicator is also included.
Design and Accessories:
The HT-306S features a heavy-duty and compact housing case. It operates on a single 006P DC 9V battery (Alkaline or Heavy duty type).
The standard accessories include a hard carrying case, a manual, and the TP-01 temperature probe.
Technical Specifications (Model HT-306S):
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Parameter
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Function
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Range
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Resolution
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Accuracy
|
|
Humidity
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Relative Humidity (%RH)
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10% to 95% RH
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0.1% RH
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≥ 70% RH: ± (3% reading + 1% RH)
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< 70% RH: ± 3% RH
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||||
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Ambient Temperature
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Built-in Sensor
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0 to 50 °C
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0.1 °C/°F
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± 0.8 °C or ± 1.5 °F
|
|
32 to 122 °F
|
||||
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Dew Point
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Calculated Value
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-25.3 to 48.9 °C
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0.1 °C/°F
|
Calculated (Sum of Temp. & Hum. Acc.)
|
|
-13.5 to 120.1 °F
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||||
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Wet Bulb
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Calculated Value
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-21.6 to 50.0 °C
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0.1 °C/°F
|
Calculated (Sum of Temp. & Hum. Acc.)
|
|
-6.9 to 122 °F
|
||||
|
Type K Temperature
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External Thermocouple
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-50.0 to 1300.0 °C
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0.1 °C/°F
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Varies by range (e.g., ± (0.4% + 0.5 °C) for -50.0 to 1300.0 °C)
|
|
-58.0 to 2372.0 °F
|
||||
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Sampling Time
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Display Update Rate
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N/A
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Approx. 1 second
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N/A
|
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Display Type
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Large Dual LCD
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46 mm x 28 mm size
|
N/A
|
|
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Power Supply
|
006P DC 9V battery x 1
|
N/A
|
N/A
|
|
|
Dimensions
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Housing Case (H x W x D)
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131 x 70 x 27 mm (5.1 x 2.7 x 1.1 inch)
|
N/A
|
N/A
|
|
Standard Accessories
|
Hard Carrying Case, Manual, TP-01 Temperature Probe
|
N/A
|
N/A
|
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