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Product Description: Model 934 Digital Melting Point Apparatus:
Product Overview and Core Functionality:
The Electronics India Model 934 Digital Melting Point Apparatus is a robust and reliable instrument specifically designed for the accurate measurement of melting points and for checking the melting range of solid samples. Its design emphasizes high accuracy and ease of operation, making it an extremely useful tool, particularly for laboratories in the Pharmaceutical Industry.
The apparatus utilizes a durable silicon oil-bath system to provide consistent and controlled heating. The melting point data is presented via a clear digital readout, ensuring precise results required for quality control and research applications.
Heating System and Uniformity:
The heating mechanism centers around a silicon oil-bath beaker of approximately 200 ml capacity. This bath is fitted with a special oil immersion heater and covered with a Teflon or Ptfe cover. To ensure optimal thermal performance, the unit includes an in-built magnetic stirrer designed to provide uniform heating throughout the silicon oil-bath.
An electronic controller with an indicator allows the user to precisely adjust the rate of heating of the oil-bath. The heating system is managed via a High/Low range temperature selector switch.
Digital Display and Operation.
The Model 934 features a highly visible 4 Digit Seven Segment LED Display (or 3 Digit, 7-Segment LED Display depending on specific version). The digital temperature indicator uses a PT100 RTD sensor.
A key feature distinguishing the Model 934 is its temperature resolution of 1 °C across the operating range of 0–300 °C.
Measurement is straightforward:
1. The ‘Start’ switch initiates the measurement process.
2. The user stops the measurement using the ‘Stop’ switch once the instrument reaches the sample's melting point.
3. The display retains the last temperature recorded when the ‘Stop’ switch was pressed.
4. The ‘Clear’ switch is used to reset the display to zero before the next test.
Sample Observation:
The apparatus is engineered to facilitate easy and strain-free observation of the sample capillaries during testing. It includes a large magnifier combined with a glare-free background illuminator.
The oil-bath cover is designed with three holes specifically for holding the capillaries, one hole for the boiling point tube, and one hole for a thermometer.
Technical Specifications (Model 934):
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Specification
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Detail
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Model
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934
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Display Type
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4 Digit Seven Segment LED Display
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Temperature Range
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0 – 300 °C
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Temperature Resolution
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1 °C
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Oil-Bath Medium
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Silicon Oil-Bath Beaker
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Oil-Bath Capacity
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200 ml capacity
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Cover
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Teflon/Ptfe cover fitted with oil immersion heater (3 holes for capillaries, 1 for boiling point tube, 1 for thermometer)
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Stirrer
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In-built Magnetic Stirrer, Speed Controllable with front knob
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Capillary Glass Tubes
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75 mm long, 0.8 – 1.1 mm internal diameter
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Boiling Point Glass Tubes
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75 mm long glass tube
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Power Requirement
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230 V ± 10%, 50 Hz. AC
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Sample Size
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Fine powder (properly dried), 4 to 6 mm high
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Observation Aids
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Glare-free background illuminator and large magnifier
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Dimensions (L x B x H)
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315 x 290 x 230 mm (Approx.) or 315 x 290 x 290 mm (Approx.)
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Weight
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12 Kg (Approx.)
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Key Features
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Highly Accurate & Easy to Operate; Extremely Useful for Pharmaceutical Industry
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Sensor Type
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PT100 RTD Sensor
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