MEATEST, s.r.o.
M-142 Multifunction Calibrator
User Manual v54
113
Specification
Uncertainties include long-term stability, temperature coefficient, linearity, load and line regulation and the
traceability of factory and National calibration standards. Specified accuracy is valid after one hour warm up in
temperature range 23 ± 2
o
C. Specified accuracy is one year accuracy.
Calibrator
Voltage
summary range DCV:
0
V – 1000 V
summary range ACV:
0.1 mV – 1000 V
internal ranges:
20 mV, 200 mV, 2 V, 20 V, 240 V, 1000 V
voltage resolution:
61/2 digit
frequency resolution:
6 digit, minimum step 0.001Hz
frequency uncertainty:
0.005 %
frequency range:
20 Hz to 100 kHz below 20 V
20 Hz to 10 kHz below 200 V
20 Hz to 1 kHz below 1000 V
DCV uncertainty
Range
% value + μV
Max. current [mA]
Protection against external voltage [Vpk]
0
V – 20.00000 mV
0.005 + 6
1
60
20.00000 mV – 200.0000 mV
0.0015 + 8
5
60
0.200000 V – 2.000000 V
0.0012 + 10
30
60
2.00000 V – 20.00000 V
0.0010 + 50
30
60
20.0000 V – 240.0000 V
0.0015 + 500
30
350
240.000 V – 1000.000 V
0.005 + 20 000
2
1450
*
2
value of the range for uncertainty calculation is 200 V
ACV uncertainty
Range
% value + μV
Max. current [mA]
% value + % range
Max. current [mA]
20 Hz - 10 kHz
20 Hz - 10 kHz
10 kHz - 50 kHz
10 kHz - 50 kHz
0.10000 mV – 20.00000 mV
0.2 + 30
0.5 *
3
0.20 + 30
V
0.5 *
3
20.0000 mV – 200.0000 mV
0.1 + 80
4 *
3
0.15 + 120
V
4 *
3
0.200000 V – 2.000000 V
0.018 + 100
30
0.05 + 0.01
10
2.00000 V – 20.00000 V
0.018 + 1 000
30
0.05 + 0.03
10
20.0000 V – 240.0000 V *
2
0.018 + 10 000
30
- -
240.000 V – 1000.000 V
0.03 + 200 000 *
1
2
- -
*
1
valid for f < 1000 Hz
*
2
value of the range for uncertainty calculation is 200 V, in the range 200 to 240 V is frequency limited to 1000 Hz.
*
3
Output resistance < 0.1 Ohm. Minimum load resistance is 40 Ohm
Range
% value+ % range
Max. current [mA]
Protection against external voltage [Vpk]
50 kHz - 100 kHz
50 kHz - 100 kHz
0.10000 mV – 20.00000 mV
1.0 + 30
V
0.5 *
2
60
20.0000 mV – 200.0000 mV
0.3 + 120
V
2 *
2
60
0.200000 V – 2.000000 V
0.2 + 0.05
5
60
2.00000 V – 20.00000 V
0.2 + 0.05
5
60
20.0000 V – 240.0000 V *
2
- -
350
240.000 V – 1000.000 V
- -
1450
Auxiliary parameters
Range
20mV
200mV
2V
20V
200V
1000V
THD
*1
0,05% + 200 µV 0,05% + 300 µV
0,05%
0,05%
0,05%
0,2%
output impedance
< 10 m
< 10 m
< 10 m
< 10 m
< 100 m
< 100 m
Max. capacitance load
800 pF
800 pF
30 nF
50 nF
10 nF
150 pF
*1
parameter includes non-linear distortion and non-harmonic noise
*2
valid for frequencies to 10 kHz
Function Shape
