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Physiological - Biological Temperature Controller ST Single-Channel
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Physiological - Biological Temperature Controller ST

from Supertech

Physiological - Biological Temperature Controller ST Single-Channel

Universal temperature controller for biological applications. Actually, it is an intelligent PID controller, based on an internal microcontroller. The PID characteristics were realized by slow PWM modulation through exponential output voltage changes. Single-channel version.
Warranty:
5 years
Lead time:
Max. 10 weeks
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Optimized for seriously shielded environments in microelectrode laboratories. Its output current is as smooth as the current of a lead battery (with the 12 V FINE DC power driver stage). This design fulfils all requirements of any sophisticated electrophysiology application, even in close proximity to any, high impedance recording electrode. The best references of the noise free performance are the patch clamp setups with GOhm impedance electrodes next to the heating elements.

Typical PID controllers modulate the effective value of the output voltage by PWM. In this equipment the PID characteristics were realized by slow PWM modulation through exponential output voltage changes. Learning algorithm was implemented into the firmware to introduce adaptive PID parameters. The controller was designed to provide fully noise free heating. These unique fault diagnostic algorithms have been developed specifically for biological heating applications (in vivo and in vitro as well).

This unit can be manufactured with three different power driver stages, depending on the power requirement of the thermal process under control. Certainly, only one power driver stage can be installed in it.

Choice of the Power Driver Stages:

  • 12 V FINE DC: max. 36W. It is optimized for microelectrode laboratories, for seriously shielded environments
    Its output current is as smooth as the current of a lead battery. This power driver stage fulfils all special requirements of any sophisticated electrophysiology application, even in close proximity to any, high impedance recording electrode like in a patch clamp setup.
  • 24 V pulsing DC: max. 75 W. Extra Low Voltage, electrically secure heating for general purpose.
  • 115/230 VAC Huge-power: up to 3.5 kW. It is optimal to control the temperature of large heated objects.

Specifications / Technical Data

  • The controlled temperature range: 0 Centigrade to 70 Centigrade, in 1 Centigrade steps
  • The available temperature range in a given application does not depend on the Physiological - Biological Temperature Controller, but on the heater device itself. Either the temperature sensor or the Physiological - Biological Temperature Controller have a full scale value of 120 Centigrade. In most cases the real allowed temperature limit is much less than 120 Centigrade. Higher temperatures can be reached with specially designed, larger power heating devices. If you require higher temperature than 50 Centigrade, please consult our development engineers in advance.
  • Resolution of the temperature measurement: 0.1 Centigrade
  • Hysteresis (approximately): 0.3 - 0.5 Centigrade. The actual hysteresis depends on the thermal capacity and the heat drain appearing on the heated object.
  • In our terminology, the expression "internal sensor" means that the temperature sensor is built into the heated object.
  • Both internal and external temperature sensors can be connected by the Physiological - Biological Temperature Controller. The internal/external sensor selector switch is located at the back side of the Physiological - Biological Temperature Controller.
  • Display: 4 x 16 characters alphanumeric LCD with bright blue backlight
  • Programming: three pushbuttons on the front, in menu system
  • Automatic internal diagnostic and fault protection algorithms in the software
  • Flash program memory
  • Non-volatile EEPROM memory to store parameters used the previous time
  • Temperature sensor (either in internal or external arrangement): DS18S20
  • Dimensions of the instrument: 290 x 250 x 90 mm
  • Mains voltage: 100-120V or 220-230V (chosen by an internal selector switch, fixed in the factory)
  • Power consumption of the Physiological - Biological Temperature Controller itself: 80 VA. The output power consumed by the heated object is additional.


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Descriptions

Optimized for seriously shielded environments in microelectrode laboratories. Its output current is as smooth as the current of a lead battery (with the 12 V FINE DC power driver stage). This design fulfils all requirements of any sophisticated electrophysiology application, even in close proximity to any, high impedance recording electrode. The best references of the noise free performance are the patch clamp setups with GOhm impedance electrodes next to the heating elements.

Typical PID controllers modulate the effective value of the output voltage by PWM. In this equipment the PID characteristics were realized by slow PWM modulation through exponential output voltage changes. Learning algorithm was implemented into the firmware to introduce adaptive PID parameters. The controller was designed to provide fully noise free heating. These unique fault diagnostic algorithms have been developed specifically for biological heating applications (in vivo and in vitro as well).

This unit can be manufactured with three different power driver stages, depending on the power requirement of the thermal process under control. Certainly, only one power driver stage can be installed in it.

Choice of the Power Driver Stages:

  • 12 V FINE DC: max. 36W. It is optimized for microelectrode laboratories, for seriously shielded environments
    Its output current is as smooth as the current of a lead battery. This power driver stage fulfils all special requirements of any sophisticated electrophysiology application, even in close proximity to any, high impedance recording electrode like in a patch clamp setup.
  • 24 V pulsing DC: max. 75 W. Extra Low Voltage, electrically secure heating for general purpose.
  • 115/230 VAC Huge-power: up to 3.5 kW. It is optimal to control the temperature of large heated objects.

Specifications / Technical Data

  • The controlled temperature range: 0 Centigrade to 70 Centigrade, in 1 Centigrade steps
  • The available temperature range in a given application does not depend on the Physiological - Biological Temperature Controller, but on the heater device itself. Either the temperature sensor or the Physiological - Biological Temperature Controller have a full scale value of 120 Centigrade. In most cases the real allowed temperature limit is much less than 120 Centigrade. Higher temperatures can be reached with specially designed, larger power heating devices. If you require higher temperature than 50 Centigrade, please consult our development engineers in advance.
  • Resolution of the temperature measurement: 0.1 Centigrade
  • Hysteresis (approximately): 0.3 - 0.5 Centigrade. The actual hysteresis depends on the thermal capacity and the heat drain appearing on the heated object.
  • In our terminology, the expression "internal sensor" means that the temperature sensor is built into the heated object.
  • Both internal and external temperature sensors can be connected by the Physiological - Biological Temperature Controller. The internal/external sensor selector switch is located at the back side of the Physiological - Biological Temperature Controller.
  • Display: 4 x 16 characters alphanumeric LCD with bright blue backlight
  • Programming: three pushbuttons on the front, in menu system
  • Automatic internal diagnostic and fault protection algorithms in the software
  • Flash program memory
  • Non-volatile EEPROM memory to store parameters used the previous time
  • Temperature sensor (either in internal or external arrangement): DS18S20
  • Dimensions of the instrument: 290 x 250 x 90 mm
  • Mains voltage: 100-120V or 220-230V (chosen by an internal selector switch, fixed in the factory)
  • Power consumption of the Physiological - Biological Temperature Controller itself: 80 VA. The output power consumed by the heated object is additional.



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