16 Technical specifications

16.TECHNICAL SPECIFICATIONS

16.1.Isolated inputs

16.1.1.General characteristics

 

Number of inputs per module: 6

 

Impedance:

 

Impedance > 25 Mfor ranges 1 V

 

Impedance = 1 Mfor any other range

 

Maximum possible voltages:

 

Between a measure channel and the ground:

+ 500 V DC or 500 V AC 50 Hz

Between the 2 terminals of a channel:

+500 V DC or 500 V AC 50 Hz

Category of installation: overvoltage category: III 600V

 

Isolation: between the ground and the measure channel: >100 Mat 500 V DC.

Spurious common mode voltages: test according to EN 61143

Types of measures :

Voltage, current (by external shunt)

Frequency

Thermocouple probe J, K, T, S, B, N, E, W5

16.1.2.Voltage recording

 

 

Maximum range

1000 V

(-500 V to +500 V)

Minimum range

1 mV

(-0.5 mV to +0.5 mV)

Offset

Adjustment of the centre by 1/5000 of the full scale or by -range

Maximum offset

+ 5 range (except 1000V)

Accuracy

0.1% of the full scale, 10 V, 0.1% of the zero offset

Offset drift

100 ppm/ C, 1 V/ C

Class C index

see appendix

 

16.1.3.RMS recording

 

 

RMS calculation by the software

Resolution

200 s

Maximum frequency

500 Hz

Crest factor

2.2 and 600 V max instant.

Accuracy

1 % (wave signal)

Response time

typical. 100 ms

Measurable max. voltage

424 V AC

Page 1

Page 120
Image 120
Escort 3016B, 3008B, 3004B user manual Technical Specifications, Isolated inputs