TTI 1705 - Specifications; Accuracy Overview

Specifications
ACCURACY
Accuracies apply for 1 year 19°C to 25°C. Temperature coefficient outside these limits is <0.1 x
quoted range accuracy per °C.
DC Volts
Ran
g
e Accurac
y
Resolution
100mV
0.06% ± 3 di
g
.*
10uV
* after null
1000mV 0.04% ± 2 di
g
. 100uV
10V 0.06% ± 2di
g
. 1mV
100V 0.06% ± 2 di
g
. 10mV
1000V 0.06% ± 2 di
g
. 100mV
Input Impedance:
10MΩ//<100pF, except for Vdc plus Vac measurement when the
1MΩ ac attenuator is in parallel with the 10MΩ dc attenuator.
Maximum Input: 1kV DC or AC peak, any range.
NMR: >60dB at 50/60Hz.
1kΩ Unbalanced CMR:
>90dB at DC/50Hz/60Hz.
Maximum Allowable AC Voltage While Measuring DC Voltage
Range Max AC Range Max AC
The table shows the maximum AC voltage
100mV, 1000mV 6V 10V 80V (45Hz-50kHz) that can be applied without
100V 200V 1000V 1000V affecting the accuracy of the DC measurement.
AC Volts (True RMS)
Range Accuracy Resolution
45Hz - 10kHz 10kHz - 20kHz 20kHz - 50kHz
100mV 1% ± 20 dig. - 10µV
1000mV 1% ± 50 dig 100µV
10V 0.2% ± 20 dig 0.2% ± 20 dig 1% ± 80 dig 1mV
100V 1% ± 80 dig 10mV
750V - 100mV
Accuracy specifications apply for readings between 1,000 and 12,000 counts. Additional error at
crest factor = 3 typically 0.2%.
Extended frequency performance
(typical):
100mV range <-1dB at 50kHz; 1000mV, 10V and
100V ranges <-1dB at 100kHz.
Input Impedance:
1MΩ//<100pF
Maximum Input: 750V rms, 1000V peak; any range.
1kΩ Unbalanced CMR:
>60dB at DC/50Hz/60Hz
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