CDM812D Wheel Loader
CDM812D Wheel Loader

RD-Ⅰ Melting Point Tester

Melting point tester adopts capillary tube as sample tube and liquid temperature transfer mode prescribed in Pharmacopoeia; it can be widely used in the production and scientific research of pharmaceutical, chemical reagents, spices, dye and other industr

RD-Ⅰ Melting Point Tester   

 

Melting point tester adopts capillary tube as sample tube and liquid temperature transfer mode prescribed in Pharmacopoeia; it can be widely used in the production and scientific research of pharmaceutical, chemical reagents, spices, dye and other industries to measure the melting points of organic crystalline substances.

 

Working condition: reset state, temperature control state and start test state; full-automatic frequency converting control technology has high temperature control precision and small linear error of heating rate.


The preset value recorded this time is saved after shutdown and the preset temperature upon starting next time is the preset value this time.
After the preset temperature is reached, delay about 1min to make the liquid in the stable temperature state, which is prompted by buzzer.
When the sample melts, the values of initial melting point and final melting point can be recorded by using initial melting and final melting keys.

 

Main features:
1. High-precision temperature sensor measures the temperature and it can correct non-linear error automatically.
2. Full-automatic frequency converting control technology has high temperature control precision and small linear error of heating rate.
3. Automatic magnetic stirring system, oil bath temperature is uniform.

4. Automation: automatic measurement, automatic diagnosis and automatic alarm.

5. Equipped with new type front paper change thermosensitive miniprinter which is convenient for recording and saving experimental data.

 

 

Technical indexes:

Melting point test range

 from room temperature to 270ºC

Heating rate

four levels: 0.5ºC/min; 1ºC/min; 1.5ºC/min; 30ºC/min

Deviation of linear heating rate

< 5%

Temperature transfer medium

methyl silicone oil

Liquid cup for temperature transfer

250ml beaker in tall form

Melting point test precision

less than 200ºC not more than ±0.5ºC;   more than 200ºC not more than ±1.0ºC

Indicating value resolution

0.1 ºC

Operational environment temperature

18ºC-28ºC

Interface

Standard serial printing interface, with its own micro-printer

Power supply

AC220V±10%;

frequency

50Hz

power

200W

Overall dimensions

L*W*H  200mm*320mm*305mm


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