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Digital Multimeter
Specifications
7
Table 7. Capacitance and Diode Function Specifications
Function Range Resolution Accuracy
E 10.00 nF
100.0 nF
1.000 µF
10.00 µF
100.0 µF
9999 µF
0.01 nF
0. 1 nF
0.001 µF
0.01 µF
0.1 µF
1 µF
± (1 % + 2)
1
± (1 % + 2)
1
± (1 % + 2)
± (1 % + 2)
± (1 % + 2)
± (1 % + 2)
G 3.000 V 0.001 V ± (2 % + 1)
1. With a film capacitor or better, using Relative mode to zero residual.
Table 8. Frequency Counter Specifications (Models 87 and 83)
Function Range Resolution Accuracy
Frequency
(0.5 Hz to 200 kHz,
pulse width > 2 µs)
199.99
1999.9
19.999 kHz
199.99 kHz
> 200 kHz
0.01 Hz
0.1 Hz
0.001 kHz
0.01 kHz
0.1 kHz
± (0.005 % + 1)
± (0.005 % + 1)
± (0.005 % + 1)
± (0.005 % + 1)
unspecified
Table 9. Frequency Counter Specifications (Model 88)
Function Range Resolution Accuracy
Pulse Width
Range (ms)
1
Resolution
(ms)
Frequency
2
(0.5 Hz to 200 kHz,
pulse width > 2 µs)
199.99
1999.9
19.999 kHz
199.99 kHz
> 200 kHz
0.01 Hz
0.1 Hz
0.001 kHz
0.01 kHz
0.1 kHz
± (0.01 % + 1)
± (0.01 % + 1)
± (0.01 % + 1)
± (0.01 % + 1)
unspecified
1999.9
5.00
0.500
0.0500
0.1
0.01
0.001
0.0001
RPM n 30 to 9,000 1 RPM ± 2 RPM
RPM o 60 to 12,000 1 RPM ± 2 RPM
% Duty Cycle
3
0.0 to 99.9% (0.5 Hz to 200 kHz, Pulse Width >2 µs)
Pulse Width
3
0.002 to 1999.9 ms (4 Hz to 200 kHz, Pulse Width >2 µs)
1. Pulse Width range is determined by the frequency of the signal.
2. Frequency measurements can be made on voltage or current inputs. The current inputs are always dc coupled.
3. For rise times >1 µs. Duty Cycle Accuracy: ±(0.2 % per kHz + 0.1%). Pulse Width Accuracy: ±(0.002 ms + 3).
Table 10. Frequency Counter Sensitivity and Trigger Levels
Minimum Sensitivity (RMS Sine wave)
Input Range
1
5 Hz - 20 kHz 0.5 Hz - 200 kHz
Approximate Trigger Level
(DC Voltage Function)
600 mV dc
600 mV ac
6 V
60 V
600 V
1000 V
70 mV (to 400 Hz)
150 mV
0.3 V
3 V
30 V
100 V
70 mV (to 400 Hz)
150 mV
0.7 V
7 V (≤140 kHz)
70 V (≤14.0 kHz)
200 V (≤1.4 kHz)
40 mV
1.7 V
4 V
40 V
100 V
Duty Cycle Range Accuracy
0.0 to 99.9 % Within ± (0.2% per kHz + 0.1 %) for rise times < 1 µs.
1. Maximum input for specified accuracy = 10X Range or 1000 V.