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npi electronic PTC-20 Two Channel Controller
Controls heating and cooling of devices that employ Peltier elements for temperature control over two channels during electrophysiological experiments.
Provides 2 independent temperature controller channels
Guarantees low noise operation
Special protection features
This is to prevent the preparation from damage.
Sensor inputFor semiconductor 2252 Ohms at 25°C (standard) or platinum 100 Ohms at 0°C, accuracy typically 0.1°C at 25°C, with electronic protection.
|Sensor input (EXT. Mode)||
Sensor input (EXT. Mode)1 mV/°C
|Alarm and Shutoff||
Alarm and ShutoffDisconnects
Power outputIf temperature is below +3°C (not connected or broken sensor) or above +45°C (short circuited sensor)
Digital displays3 ½ digits, xx.x °C (temperature of SENSOR A or B or XX.X V (voltage at power output)
Command inputAnalog input, 10 mV / °C, via BNC connector
|Set Value Control||
Set Value ControlDigital control, range 2-45°C,m XX.X °C or 0-100% of output voltage (Direct mode)
|Temperature output (A, B)||
Temperature output (A, B)Analog outputs, 10 mV / °C, via BNC connector, output impedance: 250 Ohms
Power output± 15 V / 3 A for each channel, short circuit protected, continuous
DC LimiterControl for the output voltage with a linear range from 0 – 100 %
ControlPI (proportional-integral) controller, accuracy typically ± 0.2 °C, gain range 10-10k, integration time 50 ms – 20 s (logarithmic scale)
Measuring Accuracy0.1 °C at 25 °C
Power Requirements:115 / 230V AC, 60 / 50 Hz, fuse 4 / 2 A slow
Dimensions19” rackmount cabinet 19” (483 mm), 10” (250 mm), 3.5” (88 mm).