Wika Pascal 100 Manuel d'utilisateur télécharger pdf (Page 25)

6 Commissioning, operation

WIKA Operating Instruction, Model Pascal 100 and Pascal 100/IS 25

■ This is an example of pneumatic circuit with four sensors: three of them are connected in

parallel to the pumps and one straight to external. Two of them are protected by

overpressure valves, the other one is not protected because it has its full-scale equal to the

maximum pressure generated by pump. See following:

Figure 12 - Circuit with four transducers

6.3 Electrical

The Pascal 100 or Pascal 100/IS is a multifunction calibrator.

The electrical modules can be maximum four, two of them are input modules (IN A – IN B), and the

other two are output modules (OUT A – OUT B).

6.3.1 Electrical measurements

The instrument is able to measure voltage, current, resistance and frequency. To optimise the

resolution and get better measurement results, there are three ranges for voltage measurement,

two for resistance measurements, one range for current and three ranges for frequency.

Ranges of measurement and resolutions are specified in following table:

Range

Max resolution

Voltage

(-100…100) mV

0,0001 mV

(-2…2) V

0,000001 V

(-80…80) V

0,00001 V

Current

(-100…100) mA

0,0001 mA

Resistance

(0…400) Ω

0,001 Ω

(0…10000) Ω

0,01 Ω

Frequency

(0,4…50000) Hz

0,001 Hz

Pulse

0,4…20 Hz

Contact

Open - Closed

Table 1 - Range of input signals

Pressure-

Vacuum variator

Transducer 1

Transducer 2

Transducer 3

Transducer 4

1 2 ... 20 21 22 23 24 25 26 27 28 29 30 ... 92 93

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Wika Pascal 100 Manuel d'utilisateur Page 25

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