WRR / WRR-Y
Visual Melting-point Apparatus
Characteristics
• 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.
• Measuring three samples at the same time and calculate average value of initial and final melting points automatically.
Specifications
|
Parameters/Model |
WRR |
WRR-Y |
|
Melting-point measurement range |
40℃-280℃ |
Water：40℃-90℃ Silicon oil：60℃-280℃ |
|
Heating-conducting medium |
Silicon oil |
Water / Silicon oil |
|
Minimum digital display |
0.1 ℃ |
|
|
Linear heating-up rate |
0.5, 1.0, 1.5, 3.0 ℃/min |
|
|
Accuracy |
≤200 ℃：±0.4℃; ＞200 ℃：±0.7℃ |
|
|
Repeatability (Standard Deviation ) |
0.3℃ (heating rate：1.0℃/min) |
|
|
Size of the capillary |
φ1.4mm(outside diameter) φ1.0mm(inside diameter) Length: 120mm |
|
|
Number of capillary |
3 |
|
|
Loading height of the sample |
3mm |
|
|
Interface |
RS232 / USB |
|
|
Display |
LCD |
|
|
Weight (Gross) |
13kg |
|
|
Overall Dimensions |
390mm×390mm×520mm |
|
