724/725/726
Calibration Manual
4
Specifications
Performance and accuracy are specified for one year after calibration, at operating
temperatures of +18 °C to +28 °C (64 °F to 82 °F), in relative humidity to 90 %, after a
5 minute warm up period.
Note
A “count” is the amount by which the least significant digit can vary.
DC Voltage Measurement (724 and 725)
Range Resolution Accuracy (% of Reading + Counts)
30 V (upper display) 0.001 V 0.02 % + 2
20 V (lower display) 0.001 V 0.02 % + 2
90 mV (lower display) 0.01 mV 0.02 % + 2
Temperature coefficient -10 °C to +18 °C, 28 °C to 55 °C: ±0.005 % of range per °C
DC Voltage Measurement and Source (726)
Range Minimum Maximum
Accuracy,
(% of Reading + Floor)
30 V (upper display) 0.000 V 30.000 V 0.010 % + 2 mV
20 V (lower display) 0.000 V 20.000 V 0.010 % + 2 mV
20 V (Source) 0.000 V 20.000 V 0.010 % + 2 mV
100 mV (Source) 0.000 V 100.000 mV 0.010 % + 10 µV
90 mV (Read) 0.000 V 90.000 mV 0.010 % + 10 µV
Maximum current output in voltage ranges is 1 mA with an output impedance of ≤ 1 Ω
DC Voltage Source (724 and 725)
Range Resolution Accuracy (% of Reading + Counts)
100 mV 0.01 mV 0.02 % + 2
10 V 0.001 V 0.02 % + 2
Temperature coefficient -10 °C to +18 °C, 28 °C to 55 °C: ±0.005 % of range per °C
Maximum load: 1 mA
DC mA Measurement and Source (724 and 725) (Measurement only for 724)
Range Resolution Accuracy ( % of Reading + Counts)
24 mA 0.001 mA 0.02 % + 2
Temperature coefficient -10 °C to +18 °C, +28 °C to 55 °C: ±0.005 % of range per °C
Drive capability: 1000 Ω at 20 mA
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