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Calibration Manual
6
Frequency Measurement
Ranges Resolution 2 Year
1.00 Hz to 110.00 Hz
[1]
0.01 Hz 0.05 Hz
110.1 Hz to 1100.0 Hz 0.1 Hz 0.5 Hz
1.101 kHz to 11.000 kHz 0.001 kHz 0.005 kHz
11.01 kHz to 50.00 kHz 0.01 kHz 0.05 kHz
Coupling: AC
Minimum Amplitude for Frequency Measurement (square wave):
<1 kHz: 300 mV p-p
1 kHz to 30 kHz: 1.4 V p-p
>30 kHz: 2.8 V p-p
Maximum input:
<1 kHz: 300 V rms
>1 kHz: 30 V rms
Input Impedance: >4 MΩ
[1] For frequency measurement less than 110.00 Hz, specifications apply for signals with a slew rate >5 volt/millisecond.
±
DC Voltage Output
Range Resolution
% of Output + Floor
1-Year 2 Year
±100.000 mV 1 μV
0.01 % + 0.005 mV 0.015 % + 0.005 mV
±1.00000 V 10 μV
0.01 % + 0.00005 V 0.015 % + 0.00005 V
±15.0000 V 100 μV
0.01 % + 0.0005 V 0.015 % + 0.0005 V
Maximum Output Current: 10 mA, In the 100 mV range add 0.010 mV to specification when sourcing >1 mA.
For sourcing dc voltages <110.000 mV, accuracy is not specified in RF fields >1 V/m, 80 MHz to 700 MHz.
Temperature Coefficient: 0.001 % of output + 0.001 % of range / °C (<18 °C or >28 °C)
+DC Current Source
Range/Mode Resolution
% of Output + Floor
1-Year 2 Year
0.100 to 22.000 mA
1 μA 0.01 % + 3 μA 0.02 % + 3 μA
Temperature Coefficient: 3 % of specified accuracy / °C (<18 °C or >28 °C)
Source mA Compliance Voltage: 18 V maximum
Source mA Open Circuit Voltage: 30 V maximum
+DC Current Simulate (External Loop Power)
Range/Mode Resolution
% of Output + Floor
1-Year 2 Year
0.100 to 22.000 mA (Current Sink)
1 μA 0.02 % + 7 μA 0.04 % + 7 μA
Simulate mA Input Voltage: 15 to 50 V dc, add 300 μA to floor when >25 V is present on the loop
Temperature Coefficient: 3 % of specified accuracy / °C (<18 °C or >28 °C)
Resistance Sourcing
Range Resolution
% of Output + Floor Allowable
Excitation
Current
1-Year 2 Year
10.000 Ω 0.001 Ω 0.01 % + 0.010 Ω 0.015 % + 0.015 Ω
0.1 mA to
10 mA
100.00 Ω
[1]
0.01 Ω 0.01 % + 0.02 Ω 0.015 % + 0.03 Ω
0.1 mA to
10 mA
1.0000 kΩ
[2]
0.1 Ω 0.02 % + 0.0002 kΩ 0.03 % + 0.0003 kΩ
0.01 mA to
1.0 mA
10.000 kΩ 1 Ω 0.02 % + 0.003 kΩ 0.03 % + 0.005 kΩ
0.01 mA to
1.0 mA
Temperature Coefficient: (0.01 % of output +0.02 % of range / °C (<18 °C or >28 °C).
When connected to mains, accuracy is not specified with conducted RF >1V, 8 to 15 MHz.
[1] Add 0.01 Ω when the excitation current is <1 mA.
[2] Add 0.0015 kΩ when the excitation current is <0.1 mA.