Wilten Instruments has a wide range of instruments. Because of the variety of options on some products we are not able to mention all of them on our website. Complete information is available on demand.
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CH 3-150

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Heating and Cooling Thermostat

Combitherm-2 CH 3-150 is specially designed to thermostabilise materials at temperatures from –3°C to +150°C according to methods of analysis. To obtain useful functionality and decrease foot-print of instruments Combitherm-2 consists of 2 independent cooling and heating plug-in thermoblocks combined in a common electronic circuit board as well as inside a common external body.

The left part of the front keyboard is responsible for setting parameters for cooling plug-in blocks and the right part — for heating plug-in blocks. Both of them are regulated independently and can realize up to 16 programs including temperature and time in each program. Peltier technology is used for cooling below room temperature; PCB is used for heating till +150°C.

Separation of cooling and heating parts from each other increases durability of the instrument and speed of temperature changing after setting a new program.

Different block types can be provided on request

Heating block Temperature setting range +25°C … +150°C
Heating block Temperature control range 5°C above ambient … +150°C
Heating block Setting resolution 1°C
Heating block Stability ±0.1°C
Temperature calibration coefficient range 0.936…1.063 (± 0.063)
Cooling block Temperature setting range –3°C … +20°C
Cooling block Temperature control range 23°C below ambient … 5°C below ambient
Cooling block Setting resolution 0.1°C
Cooling block Stability ±0.1°C
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Digital time setting 1 min–99 hrs 59 min (increment 1 min)
Timer sound signal +
Display LCD
User adjustable programs (temperature and time) 16 (heating) + 16 (cooling)

Are you looking for a specific dry-block or do you want more information about the different block types we can provide? Contact us, we can certainly help you.