108 Chapter 9 Specifications
9.2.2.1 Combo Module, TEC Section
Specifications 86xx.8C
TEC Output
Maximum Current 2 Amps
Maximum Voltage 4 Volts
Typical Power 8 Watts
Current Limit
Range 0 to 2 Amps
Accuracy ± 10 mA
Ripple/Noise (rms) < 1 mA
Short Term Stability (1 hour) (30°C) < 17 ppm
Long Term Stability (24 hour) (30°C) < 33 ppm
Temperature Coefficient (°C/°C) 0.05
Measurement Display
Range
Temperature -100.00°C to +240.00°C
Resistance (10 µA)
0.01
k
Ω
to 495 k
Ω
Resistance (100 µA) 0.001 k
Ω
to 49.5 k
Ω
TE Current
±
2 Amps
Resolution
Temperature 0.01°C
Resistance (10 µA) 10
Ω
Resistance (100 µA) 1
Ω
TE Current 1 mA
Accuracy
19
Temperature
20
± 0.1 °C
Resistance (10 µA) ± (0.04% + 16
Ω
)
Resistance (100 µA) ± (0.05% + 8
Ω
)
TE Current ± (0.5% + 2 mA)
Temperature Sensor
Sensor Type NTC, 2-wire Thermistor
Sensor Bias 10 µA/100 µA
Thermistor Calibration 1/T = (C1 x 10
-3
) + (C2 x 10
-4
)(ln R) + (C3 x 10
-7
)(ln R)
3
19
± (% of reading + fixed error)
20
Temperature is a value derived from using the thermistor calibration equation. Accuracy can be
computed by applying the sensor’s resistance parameter to the above equation at the temperature in
question.
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