B+K precision Sefram DAS240 Manual

SEFRAM INSTRUMENTS SAS - 32, rue E. Martel –BP55 - F42009 –Saint-Etienne Cedex 2 France

Tel: +33 (0)4 77 59 01 01 Fax : +33 (0)4 77 57 23 23

SAS au capital de 1 650 000 euros –RCS Saint-Etienne 790 833 404/ APE: 2651B / SIRET : 790 833 404 00011

TVA Intracommunautaire: FR 19790833404

NA_ENR_DAS240_CONF_VOIE Version: 1

SETTING A CHANNEL DAS240

The recorder DAS240, enable to record the following settings: voltage, current, resistance, temperature (with

a thermocouple, PT100 or PT1000).

We are going to see how to set an acquisition channel, with three examples:

1) Channel 1 configuration with a single voltage

2) Channel 2configuration with a K type thermocouple to measure an ambient temperature

3) Current configuration with a SHUNT resistor

I: Example voltage, setting the channel 1

1- Go to the channels validation by pressing the “Channels and functions On / Off” button:

2- Select the channel. Here we choose channel 1:

SEFRAM INSTRUMENTS SAS - 32, rue E. Martel –BP55 - F42009 –Saint-Etienne Cedex 2 France

Tel: +33 (0)4 77 59 01 01 Fax : +33 (0)4 77 57 23 23

SAS au capital de 1 650 000 euros –RCS Saint-Etienne 790 833 404/ APE: 2651B / SIRET : 790 833 404 00011

TVA Intracommunautaire: FR 19790833404

3- Go to the channel setting s by pressing on the channel to be set:

4- Set the type of measurement, here we measure the voltage:

5- Choose an adapted caliber for this voltage, in this example: 20V caliber :

SEFRAM INSTRUMENTS SAS - 32, rue E. Martel –BP55 - F42009 –Saint-Etienne Cedex 2 France

Tel: +33 (0)4 77 59 01 01 Fax : +33 (0)4 77 57 23 23

SAS au capital de 1 650 000 euros –RCS Saint-Etienne 790 833 404/ APE: 2651B / SIRET : 790 833 404 00011

TVA Intracommunautaire: FR 19790833404

6- Set the zero’s position, here we will use the “Min” position because we want to visualize a positive voltage.

The range will be 0 to 20V:

7- It’s possible to use a filter to remove the glitches, here we will choose 10 Hz:

SEFRAM INSTRUMENTS SAS - 32, rue E. Martel –BP55 - F42009 –Saint-Etienne Cedex 2 France

Tel: +33 (0)4 77 59 01 01 Fax : +33 (0)4 77 57 23 23

SAS au capital de 1 650 000 euros –RCS Saint-Etienne 790 833 404/ APE: 2651B / SIRET : 790 833 404 00011

TVA Intracommunautaire: FR 19790833404

8- Choose the acquisition period, in the example we will use a « 20 ms » sampling period (each channel can

have their own sampling period which is different of the sampling frequency of the recorder):

9- The configuration of the first channel is completed and we can visualized the signal:

SEFRAM INSTRUMENTS SAS - 32, rue E. Martel –BP55 - F42009 –Saint-Etienne Cedex 2 France

Tel: +33 (0)4 77 59 01 01 Fax : +33 (0)4 77 57 23 23

SAS au capital de 1 650 000 euros –RCS Saint-Etienne 790 833 404/ APE: 2651B / SIRET : 790 833 404 00011

TVA Intracommunautaire: FR 19790833404

II: Example K type thermocouple, set the channel 2

1- Go to the channels validation by pressing the “Channels and functions On / Off” button:

2- Select the channel. Here, the channel 2:

3- Go to the settings of the channel by pressing the channel to be set:

SEFRAM INSTRUMENTS SAS - 32, rue E. Martel –BP55 - F42009 –Saint-Etienne Cedex 2 France

Tel: +33 (0)4 77 59 01 01 Fax : +33 (0)4 77 57 23 23

SAS au capital de 1 650 000 euros –RCS Saint-Etienne 790 833 404/ APE: 2651B / SIRET : 790 833 404 00011

TVA Intracommunautaire: FR 19790833404

4- Choose the type of measurement, here we measure the temperature with a thermocouple:

5- Setting the type measurement:

1. Choose the thermocouple type, here we will use a K type thermocouple

2. Select the compensation

3. Choose the unit, here we will take the Celsius degree (°)

6- Choose an adapted caliber, in this example we will use a 30°C caliber:

SEFRAM INSTRUMENTS SAS - 32, rue E. Martel –BP55 - F42009 –Saint-Etienne Cedex 2 France

Tel: +33 (0)4 77 59 01 01 Fax : +33 (0)4 77 57 23 23

SAS au capital de 1 650 000 euros –RCS Saint-Etienne 790 833 404/ APE: 2651B / SIRET : 790 833 404 00011

TVA Intracommunautaire: FR 19790833404

7- Set the zero’s position, here we will use the “Min” position because we want to visualize the ambient

temperature. The range will be 0 to 30°C:

8- It’s possible to use a filter to remove the glitches, here we will choose 10 Hz:

SEFRAM INSTRUMENTS SAS - 32, rue E. Martel –BP55 - F42009 –Saint-Etienne Cedex 2 France

Tel: +33 (0)4 77 59 01 01 Fax : +33 (0)4 77 57 23 23

SAS au capital de 1 650 000 euros –RCS Saint-Etienne 790 833 404/ APE: 2651B / SIRET : 790 833 404 00011

TVA Intracommunautaire: FR 19790833404

9- Choose the acquisition period, in our example we will use a « 20 ms » sampling period, each channel can

have their own sampling period which is different of the sampling frequency of the recorder:

10-The configuration of the second channel is completed and we can visualized the signal:

SEFRAM INSTRUMENTS SAS - 32, rue E. Martel –BP55 - F42009 –Saint-Etienne Cedex 2 France

Tel: +33 (0)4 77 59 01 01 Fax : +33 (0)4 77 57 23 23

SAS au capital de 1 650 000 euros –RCS Saint-Etienne 790 833 404/ APE: 2651B / SIRET : 790 833 404 00011

TVA Intracommunautaire: FR 19790833404

III: Example current, setting the channel 3

1- Go to the channels validation by pressing the “Channels and functions On / Off” button:

2- Select the channel. Here, the channel 3:

3- Go to the channel settings by pressing the channel to be set:

SEFRAM INSTRUMENTS SAS - 32, rue E. Martel –BP55 - F42009 –Saint-Etienne Cedex 2 France

Tel: +33 (0)4 77 59 01 01 Fax : +33 (0)4 77 57 23 23

SAS au capital de 1 650 000 euros –RCS Saint-Etienne 790 833 404/ APE: 2651B / SIRET : 790 833 404 00011

TVA Intracommunautaire: FR 19790833404

4- Choose the measurement type, here we measure a current measurement:

5- To measure the current we will use a SHUNT resistor. Choose its value, here we will take a 50 Ωresistor:

6- Choose an adapted caliber, here: 1A caliber:

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