MTE -CheckSystem 2.1 Single-phase test system with Reference Standard 120 A

Auxiliary supply:

Power may be taken from the auxiliary sup- ply or the measuring circuit at:

88 VACmin ... 264 VACmax / 47 … 63 Hz

125 VDCmin … 372 VDCmax

Protection: up to 440VACmax

Voltages Operation

10 V … 300 V

Synchronisation

10 V … 300 V

Power consumption:

max. 150 VA

Housing:

Hard Plastic

Dimensions:

W 273 x H 247 x D 178 mm

Weight:

approx. 5.6 kg

Operation temperature:

-10 °C ... +50 °C

Storage temperature:

-20 °C ... +60 °C

Relative humidity:

£ 85% at Ta £ 21°C

£ 95% at Ta £ 25°C, 30 days / year spread

Safety

CE certified

Isolation protection:

IEC 61010-1:2001

Measurement Category:

300V CAT III

Degree of protection:

IP-65 (housing closed)

IP-30 (housing open)

Current Range

1 mA … 120 A

Output power

60 VA

Internal Ranges

Smax / Umax

1 mA … 12 mA

60 mVA /      5 V

12 mA … 120 mA

600 mVA /      5 V

120 mA … 1.2 A

6 VA    /      5 V

1.2 A      … 12 A

60 VA    /      5 V

12 A     … 80 A

60 VA /0.75 V

80 A     … 120 A

60 VA / 0.5 V

Resolution

0.1 % of end of internal range

Accuracy

≤ 0.2 % of end of internal range

Distortion Factor

≤ 0.8 %

Stability

≤ 0.03 % (30 min.)

≤ 0.1 %(1 h)

Load Regulation

≤ 0.01 % (from 0 % … 100 % load)

Power Factor of Load

1 – 0.1 ind.

Bandwidth

30 Hz … 1 kHz         (-3 dB)

Phase Angle

Range

Accuracy

Resolution

-180° ..+180°

± 0.2°

0.1°

Frequency

Range

Accuracy

Resolution

Mode Line (synch. to input voltage)

40 Hz-70 Hz

Mode NUM

40 Hz-70 Hz

± 0.01 Hz

0.01 Hz

Measuring Quantity

Range

Input / Sensor

Voltage (phase - neutral)

10 V … 300 V

U, N

Current

1 mA … 12 A

12 A

1 mA … 120 A

120 A

10 mA … 120 A

Clamp-on CT 120 A

Voltage / Current

£ ± E [%] 1 2

Measuring Quantity

Range

Class 0.2

Voltage (U, N)

46 V … 300 V

0.2

10V … 46 V

1.0

Current direct 12 A or 120 A

12 mA … 120 A

0.2

1 mA … 12 mA

0.2

Current CT 120A UCT 120.1

100 mA … 120 A

0.2

10 mA … 100 mA

1.0