TC 125™
The TC 125 Temperature Controller provides up and down settings for a target temperature, a button to turn the temperature control on or off and a knob to set the stirring speed.
Temperatures may be controlled from -55 °C to + 105 °C, although special provision must be made to work below about -10 °C (see Temperature Range). While the temperature of the cuvette holder changes rapidly, the actual temperature in the sample lags behind the temperature of the sample holder. To measure the actual sample temperature, a thermistor probe may be plugged into the back of the controller and inserted into the sample. The TC 125 accepts standard Series 400 or 500 thermistor probes available from a number of manufacturers. We prefer the model 423 or model 555 from Yellow Springs Instrument Company. The 423 is 1/8-inch diameter and can be used in a 10 mm square cuvette, whereas the 555 is only 0.030 inches in diameter and may be used in microcuvette or in short path length cuvettes. The TC 125 has a USB connector on its back panel and may accept instructions from a computer. Please see the description of the Serial Control Option, SER 2.3, for more information about remote control. The TC 125 has a USB connector on its back panel and may accept instructions from a computer. |
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