VTI Instruments Metek EX1202 - Page 21

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EX1200 Series Introduction 21
RESOLUTION
INTEGRATION TIME (PLC)
60 HZ APERTURE TIME
50 HZ APERTURE TIME
RESOLUTION
10
167 ms
200 ms
6 ½ digits
1.0
16.7 ms
20 ms
5 ½ digits
0.1
1.67 ms
2 ms
4 ½ digits
< 0.01
0.167 ms
0.2 ms
3 ½ digits
Aperture Time is programmable from 10 µs to 2.184 s
PLC = Aperture Time * Line Frequency
DC VOLTAGE – 1 YEAR ACCURACY
RANGE
RESOLUTION
INPUT
RESISTANCE*
T
CAL
 5 °C
0 °C TO +55 °C
% READING
% RANGE
< 30% RANGE
> 30% RANGE
100 mV, 6 ½ digit
0.1 µV
10 G / 10 M
0.0150%
0.0060%
 15.0 µV
 30.0 µV
1 V, 6 ½ digit
1 µV
10 G / 10 M
0.0060%
0.0010%
 30.0 µV
 300.0 µV
10 V, 6 ½ digit
10 µV
10 G / 10 M
0.0035%
0.0007%
 300.0 µV
 3.0 mV
100 V, 6 ½ digit
100 µV
10 M
0.0050%
0.0009%
 3.0 mV
 30.0 mV
300 V, 6 ½ digit
100 µV
10 M
0.0055%
0.0035%
 30.0 mV
 30.0 mV
100 mV, 5 ½ digit
1.00 µV
10 G / 10 M
0.0150%
0.0068%
 15.3 µV
 33.0 µV
1 V, 5 ½ digit
10.00 µV
10 G / 10 M
0.0060%
0.0011%
 33.0 µV
 330.0 µV
10 V, 5 ½ digit
100.00 µV
10 G / 10 M
0.0035%
0.0008%
 330.0 µV
 3.3 mV
100 V, 5 ½ digit
1.00 mV
10 M
0.0050%
0.0010%
 3.3 mV
 33.0 mV
300 V, 5 ½ digit
1.00 mV
10 M
0.0055%
0.0037%
 33.0 mV
 33.0 mV
100 mV, 4 ½ digit
10.00 µV
10 G / 10 M
0.0150%
0.0075%
 15.6 µV
 36.0 µV
1 V, 4 ½ digit
100.00 µV
10 G / 10 M
0.0060%
0.0012%
 36.0 µV
 360.0 µV
10 V, 4 ½ digit
100 mV
10 G / 10 M
0.0035%
0.0009%
 360.0 µV
 3.6 mV
100 V, 4 ½ digit
10.00 mV
10 M
0.0050%
0.0011%
 3.6 mV
 36.0 mV
300 V, 4 ½ digit
10.00 mV
10 M
0.0055%
0.0040%
 36.0 mV
 36.0 mV
* Selectable input resistance to support external high-voltage probe. 10 GΩ Typical; > 1 G Worst Case - 10.0 MΩ  1%.
Over-range: 20% of range, except 300 V range
Normal Mode Rejection Ratio (NMRR) at power line frequency  0.1%: 60 dB for 1 PLC, 10 PLC, 100 PLC.
Common Mode Rejection Ratio (CMRR): 140 dB at DC.
Input bias current: <100 pA typical at 23 °C.
DC CURRENT – 1 YEAR ACCURACY
RANGE
RESOLUTION
MAXIMUM
BURDEN
VOLTAGE*
T
CAL
 5 °C
0 °C TO +55 °C
% READING
% RANGE
< 30% RANGE
> 30% RANGE
1 mA, 6 ½ digit
1 nA
<0.1 V
0.0500%
0.0100%
 396 nA
 4.35 µA
10 mA, 6 ½ digit
10 nA
<0.1 V
0.0500%
0.0060%
 4.35 µA
 43.5 µA
100 mA, 6 ½ digit
100 nA
<0.6 V
0.0500%
0.0060%
 43.5 µA
 435 µA
1 A, 6 ½ digit
1 µA
<0.4 V
0.0700%
0.0070%
 435 µA
 4.40 mA
3 A, 6 ½ digit
1 µA
<0.9 V
*0.1000%
0.0060%
 4.40 mA
 4.40 mA
1 mA, 5 ½ digit
10.0 nA
<0.1 V
0.0500%
0.0105%
 399 nA
 4.38 µA
10 mA, 5 ½ digit
100.0 nA
<0.1 V
0.0500%
0.0061%
 4.38 µA
 43.8 µA
100 mA, 5 ½ digit
1.0 µA
<0.6 V
0.0500%
0.0061%
 43.8 µA
 438 µA
1 A, 5 ½ digit
10.0 µA
<0.4 V
0.0700%
0.0072%
 438 µA
 4.42 mA
3 A, 5 ½ digit
10.0 µA
<0.9 V
*0.1000%
0.0061%
 4.42 mA
 4.42 mA
1 mA, 4 ½ digit
100.0 nA
<0.1 V
0.0500%
0.0110%
 402 nA
 4.41 µA
10 mA, 4 ½ digit
1.0 µA
<0.1 V
0.0500%
0.0062%
 4.41 µA
 44.1 µA
100 mA, 4 ½ digit
10.0 µA
<0.6 V
0.0500%
0.0062%
 44.1 µA
 441 µA
1 A, 4 ½ digit
100.0 µA
<0.4 V
0.0700%
0.0073%
 441 µA
 4.44 mA
3 A, 4 ½ digit
100.0 µA
<0.9 V
*0.1000%
0.0062%
 4.44 mA
 4.44 mA
* Add 0.15% of reading above 2 A.
Over-range: 20% of range, except 3 A range