Bipolar Temperature Controller (TC202A)

Bipolar Temperature Controller (TC202A)

The TC-202A Bipolar Temperature Controller is the next generation of the TC-102 Monopolar Temperature Controller. This instrument operates with all Harvard Apparatus micro-incubators to provide both heating and cooling functions for life science research purposes.

Description

DESCRIPTION

The TC-202A Bipolar Temperature Controller is the next generation of the TC-102 Monopolar Temperature Controller. This instrument operates with all Harvard Apparatus micro-incubators to provide both heating and cooling functions for life science research purposes.

Because the TC-202A is bipolar, it is ideally suited for use with Peltier devices such as those built into our PDMI-2 Open Perfusion Microincubator, PSMI Patch Slice Micro-incubator, and CSMI Chambered Slide Micro-incubator.

While the unit has multiple uses, it has been designed as an ideal companion for Harvard Apparatus/Medical Systems Peltier-based micro-incubators. In its monopolar mode, the TC-202A efficiently controls microincubators that use resistive heaters such as the Leiden Microincubator Systems and the BSC-BU Brain/Tissue Slice Chamber units.

TC-202A Bipolar Temperature Controller Specification

Temperature Setting Range 0 to 50°C
Temperature Regulation ±0.2°C
Temperature Display 0.1°C resolution
Chamber Temperature Sensor Thermolinear type, 36 KΩ nominal at 25°C
Voltage Range 0 to ±5 V
Current Range 0 to ±6 A DC
Case Size (W x H x D) 48.3 x 8.9 x 33.7 cm (19 x 3.5 x 13.25 in), 19 in. rack mountable
Weight 5.7 kg (12.5 lb)
Power 150 W, 120/230 VAC, 50/60 Hz, user selectable

Flexible
The TC-202A allows the researcher to control the command temperature from alternative locations. In the case of the PDMI-2, PSMI, and CSMI micro-incubators, temperature is controlled either from a thermistor placed in the bath, or from a second thermistor permanently positioned on the plate containing the regulated surface of the Peltier devices.

Accurate
Accurate thermal control (±0.2°C) is achieved by sensing temperature with a miniature thermistor, digitizing the thermistor signals, and then proportionally regulating a low noise DC current output. Current output is also regulated to match the thermal time constants of small systems (such as micro-incubators), thus minimizing initial overshoot and oscillations about the set point.

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TC202A Bipolar Temperature Controller

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