M-142 Multifunction Calibrator
MEATEST, s.r.o.
114
User Manual v48
*2
valid for frequencies to 10 kHz
Function Shape
voltage range:
1 mV to 200 V
wave form:
square, positive, negative, symmetrical, ramp A, ramp B, triangle
truncated sin with THD 13,45 %
peak value uncertainty:
0.3 % + 50 uV
displayed values:
peak, effective
Minimum frequency for squarewave signals is 0.1 Hz, for all other wave shapes 20 Hz.
Current
summary range DCI:
0
A - 30 A (with current coil 140-50 to 1000A)
summary range ACI:
1
A – 30 A (with current coil 140-50 to 1000 A)
internal ranges:
200
A, 2 mA, 20 mA, 200 mA, 2 A, 30 A
resolution:
61/2 digit
frequency resolution:
6 digit, minimum step 0.001Hz
frequency uncertainty:
0.005 %
frequency range:
20 Hz to 5 kHz
bellow 200 mA
20 Hz to 1000 Hz bellow 20 A
40 Hz to 500 Hz in range 20 to 30 A
DCI uncertainty
Range
% value + μA
Min. compliance voltage [V]
0.0000
A – 200.0000
A
0.05 + 0.02
3
0.200000 mA – 2.000000 mA
0.02 + 0.1
3
2.00000 mA – 20.00000 mA
0.01 + 0.6
3
20.0000 mA – 200.0000 mA
0.01 + 6
3
0.200000 A – 2.000000 A
0.015 + 100
3
2.00000 A – 20.00000 A
*1
0.02 + 2 000
1.5
20.00000 A – 30.00000 A
*1
[0.02 + 0.003* (I-20)] + 2000
*3
0.5
ACI uncertainty
Range
% value + μA
Min.
compliance
voltage [Vrms]
% value + μA
Min.
compliance
voltage [Vrms]
% value + μA
Min.
compliance
voltage [Vrms]
20 Hz - 1 kHz
*2
1 kHz – 5 kHz
5 kHz – 10 kHz
1.0000
A – 200.0000
A
0.15 + 0.02
3
0.30 +0.22
3
- -
- -
0.200000 mA – 2.000000 mA
0.07 + 0.2
3
0.20 + 1
3
0.50 + 1.4
2
2.00000 mA – 20.00000 mA
0.05 + 1
3
0.20 + 10
3
0.50 + 14
2
20.0000 mA – 200.0000 mA
0.05 + 10
3
0.20 + 100
3
0.50 + 140
2
0.200000 A – 2.00000 A
0.05 + 100
3
- -
- -
- -
- -
2.00000 A – 20.00000 A
*1
0.10 + 6000
1.5
- -
- -
- -
- -
20.00000 A – 30.00000 A
*1
[0.1 + 0.003* (I-
20)] + 6000
*3
0.5
*1
Continuous current in range bellow 10 A. In range 10 to 30 A limited time to 60 s for current bellow 20 A and 30 s bellow 30 A.
*2
Frequency range for current 20 to 30 a is 40 Hz to 500 Hz
*3
I is set output current in [A]
When option 140-50 Current Coil is used, add uncertainty 0.3% of the set current to the value specified in above table. Output current is
multiplied by factor 25 or 50 depending on applied coil range.
Auxiliary parameters
Range
200 uA
2 mA
20 mA
200 mA
2 A
20 A
maximal inductive load
*1
1H
100 mH
100 mH
10 mH
1 mH
500 uH
THD
*2
0,2%
0,2%
0,2%
0,2%
0,2%
0,3%
*3
*1
DC and AC 50/60 Hz, voltage on the load < 2Vrms
*2
Parameter includes non-linear distortion and non-harmonic noise
*3
Distortion in range 20 to 30 A is max. 0.5%
Function Shape
current range:
100 uA to 2 A
