16 Technical specifications

16.2. Multiplexed inputs

16.2.1.General characteristics

 

Number of inputs per module: 12

 

Inputs type differential non isolated

 

Impedance:

 

 

Impedance > 10 Mfor ranges 2 V

 

Impedance = 2 Mfor any other range

 

Maximum possible voltages:

 

 

Between a measure channel and the ground:

48 V DC

Between the 2 terminals of a channel:

48 V DC

Maximal common mode voltages :

 

3 V for ranges 2 V

 

50 V for any other range

 

Type of measurements:

 

 

Voltage, current (by external shunt)

 

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

 

PT100 2, 3 or 4 wires

 

 

16.2.2.Voltage recording

 

 

Maximum range

50 V

 

Minimum range

1 mV

 

Offset

Adjustment of the centre by software

Accuracy

0.1% of the full scale,

10 V, 0.1% of the offset

Offset drift

100 ppm/ C 1 V/ C

 

16.2.3.RMS recording

 

 

RMS calculation by software

 

 

Resolution

200 s

 

Maximum frequency

500 Hz

 

Crest factor

2.2

 

Accuracy

1 % (wave signal)

 

Response time

typical. 100 ms

 

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Escort 3004B, 3016B, 3008B user manual Multiplexed inputs, Type of measurements