SECTION II
2 SPECIFICATIONS
GENERAL
Unless otherwise noted, these specifications apply at 23°C ± 5°C, after a 30 minute warm-up
period, for one year without calibration. Percentages and ratios are with respect to the output
voltage.
SOURCE MODE
(Applies to both voltage and thermocouple outputs)
Voltage Range −11 V dc to +11 V dc.
Output Impedance <0.05 Ω at dc.
Output Current Will meet all specifications to 50 mA;
current-limited to <100 mA.
Protection Fused to withstand 120 V ac rms applied to the inputs.
Resolution
Temperature Selectable settings of 0.01°, 0.1°, and 1° (0.01, 0.1, and 1 if
the unit of measure is kelvin).
Voltage Selectable settings of 0.1 µV, 1 µV, 10 µV, 100 µV, and
1 mV. (1 µV is the maximum setting at ±1 V and higher.)
Maximum Display
Temperature 6 digits.
Voltage 7 digits.
Accuracy, 30 days ±(20 ppm + 1 µV).
90 days ±(22.5 ppm + 1.5 µV).
Six months ±(25 ppm + 2 µV).
One year ±(30 ppm + 2.5 µV).
Two years ±(35 ppm + 3 µV).
Temperature Coefficient ±(5 ppm/°C + 0.2 µV/°C).
Line Regulation ±(5 ppm + 2 µV) for a +5% line-voltage change.
Noise <1 µV peak, 0.1 Hz to 10 Hz bandwidth.
Settling Time
Thermocouple Ranges <200 ms to rated accuracy.
Voltage Ranges <1 s to rated accuracy.
Slew Rate >100 V/s.
Maximum Common-mode Voltage 100 V dc or peak ac.
Common-mode Rejection 160 dB at dc, 140 dB at 60 Hz.
Isolation <500 nA peak-to-peak leakage current into the output from
the power mains.
Thermocouple Output Mode
Accuracy See Tables 2-1 through 2-24.
Units °C, °F, °R, and K.
2-1
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