
MTC-20/2S User Manual
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version 2.7
page 16
7. Literature
Kettenmann, H. and R. Grantyn (eds.) Practical Electrophysiological Methods,
Wiley-Liss, New York 1992
Froehr, F. and F. Orttenburger Introduction to Electronic Control Engineering,
Siemens AG, Berlin and Munich 1982
8. Technical Data
Sensor input:
for semiconductor 2252
Ω
at 25 °C (standard) or platinum
100
Ω
at 0 °C, accuracy typically 0.1 °C at 25 °C, with
electronic protection
Sensor input (EXT. Mode):
sensitivity: 1 mV/°C
ALARM and SHUTOFF:
disconnects POWER OUTPUT if temperature is below +3 °C
(not connected or broken sensor) or above +45 °C (short
circuited sensor)
Digital displays:
3 1/2 digits, XX.X °C (temperature of SENSOR A or B) or
XX.X V (voltage at POWER OUTPUT)
COMMAND INPUT:
BNC connector, analog input, sensitivity. 10 mV/°C
Set value control:
potentiometer, range: up to 45.0 °C, XX.X °C or 0-100% of
output voltage (DIRECT mode)
Temperature OUTPUT (A, B): BNC connector, analog outputs, sensitivity. 10 mV/°C,
output impedance: 250
Ω
POWER OUTPUT:
12 V / 1 A, short circuit protected, continuous DC
Limiter:
potentiometer for the maximum output voltage with a linear
range from 0 – 100 %
Control:
PI (proportional-integral) controller, accuracy typically
±0.2 °C
GAIN:
potentiometer, logarithmic scale, range: 10-10k
INTEGRATION:
potentiometer, logarithmic scale, time range: 50 ms - 20 s
Measuring accuracy:
0.1 °C at 25 °C
Power requirements:
115 / 230V AC, 60 / 50 Hz, fuse 0.8 / 0.4 A slow
Dimensions:
desktop cabinet, 246 mm, 260 mm, 90 mm