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Signal Converter/Amplifier SC200
CONVERTERS
QC SERIES
Function: The SC200 is a general purpose non-isolating signal converter,
conditioner, transmitter, amplifier which will give a transmission level voltage
or current output from a single low or medium level process signal input. The
SC200 can also accept Frequency inputs from a variety of transducer types
and perform Frequency to Current/Voltage conversion. For very low
frequencies (less than 10Hz) see data sheet on the SI300/20.
Options on the SC200 include: a signal inverter; a signal limiter; an integrator;
and a differentiator.
SPECIFICATIONS
Please note that the following are Resistance (2 wire) OUTPUTS: GENERAL:
typical standard ranges. We will Between 0 and 10K ohms DC Current
manufacture instruments to cater Minimum span 10 ohms Linearity Error
0 to 1mA into 10 to 20K ohms Proportional to input ±0.1% of
for other ranges too, within certain Maximum span 10K ohms 1 to 5mA into 10 to 4K ohms
limitations. Please contact our span
Potentiometers (3 wire) 0 to 10mA into 10 to 2K ohms
internal sales department for further 4 to 20mA into 10 to 1K ohms Temperature Coefficient
Between 0 and 20K ohms
clarification. Minimum span 1mA ±0.1% of span/ 10ºC
Minimum span 10 ohms
Maximum span 20K ohms Maximum span 20mA (for inputs > 100mV)
INPUTS: + Cold junction error, for
DC Current Resistance Thermometers DC Voltage thermocouple inputs
0 to 1mA into 1K ohms (RTDs, PT100s) 0 to 1 Volt into 100 ohms min
2 or 3 wire, 100 ohms at 0ºC or 1 to 5 Volts into 500 ohms min Ripple Rejection
0 to 10mA into 100 ohms Greater than 60dB at 50 Hz
4 to 20mA into 62.5 ohms 130 ohms at 0ºC 0 to 10 Volts into 1K ohms min
10 to 50mA into 25 ohms Minimum temperature span 10ºC Minimum span 100mVolt Operating Temperature Range
Other current inputs as required Maximum temperature span 600ºC Maximum span 10 Volts 0 to +50ºC
Minimum current 10µA Load Stability
Thermocouples Less than 0.02% over the load Storage Temperature Range
Maximum current 100mA Type B, E, J, K, N, R, S & T –20 to +85ºC
range specified
DC Voltage Temperatures covered:
Type Range Min Temp Change Operating Humidity Range
Between 0 and 250 Volts DC 0 to 95% RH non-condensing
Minimum voltage span 5mV B 600 to 1800ºC 400ºC SUPPLY:
Maximum voltage span 250V E –260 to 1000ºC 65ºC Power Supplies Storage Humidity Range
J –200 to 1200ºC 80ºC 100 to 120 Volt 50/60 Hz 0 to 95% RH non-condensing
Input Impedance K –260 to 1600ºC 100ºC
1M ohms or greater 200 to 240 Volt 50/60 Hz Weight
N 0 to 1300ºC 150ºC or 24 Volt DC with inverter to
R 0 to 2000ºC 400ºC SC200 290 gms
AC Frequency or Pulse maintain signal to power supply
Between 10 and 10K Hz S 0 to 1800ºC 400ºC isolation
Minimum span 10 Hz T –260 to 800ºC 100ºC
Maximum span 10K Hz Automatic cold junction Power Required
Minimum amplitude 50mV RMS compensation 3 Watts Maximum
Maximum amplitude 100 Volts Open circuit thermocouple Pilot Light
Peak to Peak monitoring upscale or downscale Green LED shows Power ON
drive
MECHANICAL DETAILS TERMINATION DETAILS
Termination details are dependent upon input type and upon type of housing chosen
(19” rack or DIN rail mounting enclosure) and, if 19” rack, screw terminals or solder
terminals. Further details upon request from our internal sales department.
129
164
35.5
190
(Dimensions in mm)
ORDERING DETAILS
(a) Give identification code, i.e. SC200
(b) Give power supply voltage, i.e. 240 Volt 60 Hz
(c) Give details of input signal i.e. Chromel/Alumel thermocouple, span 0 to 250ºC. (If thermocouple input please specify upscale or downscale burnout drive)
(d) Give details of output required, i.e. 4 to 20mA
LEE -DICKENS LTD
Desborough, Kettering, Northants NN14 2QW U.K.
6.5 Te l : ( 0 1 5 3 6 ) 7 6 0 1 5 6 F a x ( 0 1 5 3 6 ) 7 6 2 5 5 2
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