Pendulum CNT-91R User Manual

Specifications
For measuring times >=200 ms and if Smart
Freq = AUTO or ON:
x Measurement Result [Hz or s]
N = 800 /Measuring Time, however, 6 < N <
1000 and
N < (Freq/2) * Measuring Time - 2
■ Systematic Uncertainty
where:
MR = Meas. Result (Freq or Per)
MT = Meas. Time
Frequency Ratio f
1
/f
2
■ Typical Random Uncertainty (rms)
NOTE. Frequency Ratio is an auxiliary mea-
surement function, intended to give an ind
ica-
tion, with no guaranteed specification.
[dimensionless, e.g. ppm]
Phase
■ Typical Random Uncertainty (rms)
NOTE. Phase is an auxiliary measurement
function, intended to give an indication, with
no guaranteed specification.
■ Systematic Uncertainty
Duty Factor
■ Random Uncertainty (rms)
or minimum: 1 ppm
■ Systematic Uncertainty
[dimensionless, e.g. ppm]
USER MANUAL ● CNT 9x Series ● Rev.22 February 2020
8-12

Pendulum CNT-91R Specifications

General

Brand	Pendulum
Model	CNT-91R
Category	Measuring Instruments
Language	English