Melting-point Apparatus

WRR Visual Melting-point Apparatus

Model：WRR

Characteristics

l To be used to measure the melting point of medicines, dye-stuffs and perfumes and other organic crystal substances to determine their purity. Measurement method is in conformity with the standard of pharmacopoeia.

l Measuring three samples at the same time and calculate average value of initial and final melting points automatically.

Specifications

l Melting-point measurement range: 40-280° C

l Minimum digital display: 0.1° C

l Linear heating-up rate: 0.5,1.0,1.5,3.0° C/min

l Accuracy: < 200° C : ±0.5°C; ³200° C: ±0.8°C

l Repeatability (Standard Deviation s): £ 0.3°C

l Weight (Net) 12.5 kg

l Overall dimensions: 270mm ´ 310mm ´ 400mm

WRS-1B Digital Melting-point Apparatus

Model：WRS-1B

Characteristics

l Measurement of melting point is one of the important methods of measurement of purity.

l To be used in production of medicines, dye-stuffs, perfumes and other organic crystal substances.

l Photoelectric test

l LCD display

l RS-232 interface and real time melting curve.

Specifications

l Melting-point measurement range: room temperature -300° C

l Minimum digital display: 0.1° C

l Linear heating-up rate: 0.2, 0.5, 1.0,1.5, 2.0 3.0, 4.0, 5.0° C/min

l Accuracy: < 200° C : ±0.5°C; 200-300° C: ±0.8°C

l Overall dimensions: 510mm ´ 330mm ´ 200mm

WRS-2A & WRS-2AMicro Processor Melting-point Apparatus

Model：WRS-2&WRS-2A

Characteristics:

l Measurement of melting point is one of the important methods of measurement of purity.

l To be used in production of medicines, dye-stuffs, perfumes and other organic crystal substances.

l Photoelectric test

l LCD display, entry by digital keyboard and direct display of melting curve.

l WRS can measure three samples at the same time and calculate average value of initial and final melting points automatically.

Specifications

l Melting-point measurement range: room temperature -300° C

l Minimum digital display: 0.1° C

l Linear heating-up rate: 0.2 - 5.0° C/min

l Accuracy: < 200° C : ±0.5°C; 200-300° C: ±0.8°C
　

WQL Particle Size Analyzer

Model：WQL

Specifications

 Disc rotation speed: 600~10,000rpm  Stability: 02%/30min  Measurement range:0.01~460μm  Accuracy: 5%(based on the Si02 standard sample provided by Shanghai Test Technology Research Institute)

Characteristics

l Measurement of particle size and distribution based on the centrifugal settling of solid particle and light transmittance principle

l Speed-change measurement mode

l The ratio of particle size range in one measurement is greater than 20:1
　

WRX-1S Thermal Values Analyzer with Microscope

Model：WRX-1S

Characteristics

l Microscope with digital ocular. Ordinary ocular and advanced color CCD to research and measure thermal characteristics of substances through a TV set or a monitor provided by users.

l Measurement of the melting points of mini-type samples and sliced samples.

l Research thermodynamics of bioengineering.

l Widely used in the fields of medicines, chemical industry, synthetic fiber, biology, mineralogy and criminology.

Specifications

l Melting-point measurement range: room temperature -300° C

l Minimum digital display: 0.1° C

l Linear heating-up rate: 0.2, 0.5, 1.0,1.5, 2.0 3.0, 4.0, 5.0° C/min

l Standard accessory installed: digital ocular with TV: 1/2” color CCD, 480 TV

l Optional accessory: digital ocular with computer: 1/3”. Color CMOS.

Resolution: 640´480

X-4 Melting-point Apparatus with Microscope

Model：X-4

Characteristics

l Measurement of melting point of substances

l To be used in pharmaceutical industry, chemical industry, textile industry, dyestuff with microscope.

l Capillary, slide or cover-glass measurement methods can be used.

Specifications

l Melting-point measurement range: room temperature -320° C

l Repeatability:

< 200° C: ± 1°C; 200-300° C: ± 2°C

l Optic magnification

10 X (Eye lens) 4X(Objective lens)
　

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