METREL A 1018, User Manual

Page: 9 / 32

A 1018, A 1019, A 1033 Current clamps
9
5. Specifications
5.1. General purpose current clamp with current output
Type: A 1019
Rated current: 1000 A
Current ratio : 1000:1
Output: 1 mA/A, safety banana sockets

4 mm
Electrical characteristics (at R = 1

):
Measuring range: 0.2 A ÷ 1200 A
Output signal: 0.2 mA ÷ 1.2 A (0.2 A ÷ 1200 A)
Accuracy and phase error:
Primary current [A] 0.1 ÷ 10 10 50 200 1000 1200
Accuracy of output current [%] 
2.5

2

1.5

0.9

0.7

0.7
Phase error [

]
n.a. 
3

1.7

0.9

0.7

0.7
Frequency range:
40 Hz ÷ 5 kHz
Continuity of measurements: 1000 A r.m.s. (f < 1 kHz) continuous
1200 A r.m.s. (40 min / 20 min intermitted)
Load impedance: 
10

Working voltage: 600 V max.
Influence of neighbor conductor: <1 mA/A at 50 Hz
Influence of conductor position
<0.3 % at f < 400 Hz
Influence of loading:
2

to 10

: 1 % and 1

Influence of DC current offset: <2.5 % for I
DC
< 30 A
5.2. General purpose current clamp with voltage output
Type: A 1033
Rated current: 1000 A
Current ratio : 1000:1
Output: 1 mV/A, special connector
Electrical characteristics
Measuring range: 0.2 A ÷ 1200 A
Output signal: 0.2 mV ÷ 1.2 V (0.2 A ÷ 1200 A)
Built in measuring resistor: R = 1

, 0.5 %
Accuracy and phase error
Primary current [A] 0.1 ÷ 10 10 50 200 1000 1200
Accuracy of output current [%]

3

3

2

1.1

1

1
Phase error [

]
n.a. 
3

2

0.9

0.7

0.7
Frequency range:
40 Hz ÷ 5 kHz
Continuity of measurements: 1000 A r.m.s. (f < 1 kHz) continuous
1200 A r.m.s. (40 min / 20 min intermitted)
Working voltage: 600 V max.
Neighbor conductor influence: <1 mV/A at 50 Hz
Influence of conductor position:
<0.3 % at f < 400 Hz
Influence of DC current offset: <2.5 % for I
DC
< 30 A