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SPECTRUM Instruments Ltd. P:1-800-778-3428 F:1-866-782-0106 E: [email protected]

Sensor Checker

SC-100

Rev. 1.0

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Summary of Contents for SC-100

Page 1: ...1 of 11 SPECTRUM Instruments Ltd P 1 800 778 3428 F 1 866 782 0106 E info spectrum instruments com Sensor Checker SC 100 Rev 1 0 ...

Page 2: ...2 of 11 SPECTRUM Instruments Ltd P 1 800 778 3428 F 1 866 782 0106 E info spectrum instruments com Caution Please read this manual carefully before operating the SC 100 Sensor Checker ...

Page 3: ...778 3428 F 1 866 782 0106 E info spectrum instruments com Contents 1 Product Description 4 2 SC 100 Map and legend 5 3 Using SC 100 Sensor Checker 6 3 1 Sensor simulation mode 7 3 2 Sensor checker mode 8 4 Maintenance 10 5 Device Dimensions 11 ...

Page 4: ...sured bias voltage on the screen and sensor status indicated on the LED diodes on the front panel There are three predefines sensor status which are related to the bias voltage and they are SHORT CIRCUIT SENSOR OK and OPEN CIRCUIT In SIGNAL GENERATOR mode the instrument produces a fixed frequency sinusoidal signal to simulate accelerometer or velocity sensor output Specification Outputs Type BOV B...

Page 5: ...5 of 11 SPECTRUM Instruments Ltd P 1 800 778 3428 F 1 866 782 0106 E info spectrum instruments com 2 SC 100 Map and legend Figure 1 Legend of SC 100 ...

Page 6: ...the device The upper diode indicates SIGNAL GENERATION mode and the lower indicates BOV TEST mode When the device is off both diodes are off Three LED diodes placed on the upper right position indicate status during BOV TEST The possible indications are SHORT CIRCUIT SENSOR OK and OPEN CIRCUIT The bottom right LED diode is battery empty indicator and battery should be replaced when this diode ligh...

Page 7: ...oltage signal of 100mV RMS at 160 Hz In this case the LCD screen is off and only the LED diode which indicates opearating mode on front panel is lit These values are fixed and not changeable Values are choosen based on standard of industrial accelerometer with 100mV g to produce 1g RMS readout on measure instrument Detailed table with converted values for testing different types od vibration senso...

Page 8: ...l status of sensor with three LED diodes placed on the front panel Possible states are SHORT CIRCUIT SENSOR OK and OPEN CIRCUIT Figure 4 Short circuit situation If a measured voltage is below 7V a SHORT CIRCUIT LED diode red LED is lit up BOV readings below 7V usually indicate sensor damage Common sources of sensors damage are exposure to excessive temperature excessive shock electrostatic dischar...

Page 9: ... instruments com Figure 6 High bias voltage situation If a measured voltage is greater than 15V an OPEN CIRCUIT LED diode yellow LED is lit up and it usually means the sensor amplifier is disconnected or reverse powered In most cases the problem is in the connector or sensor cabling ...

Page 10: ...evice Figure 7 Battery replacement For this operation you need a flat screwdriver First you must put screwdriver in a backdoor opening hole After that gently pull the screwdriver to the front of the Sensor Checker Door should be opened Take out a battery and replace it with a new one Place a battery in such way that there is not tension on the battery cable Place a backdoor and gently push till it...

Page 11: ...11 of 11 SPECTRUM Instruments Ltd P 1 800 778 3428 F 1 866 782 0106 E info spectrum instruments com 5 Device Dimensions Figure 8 Device dimensions in millimeters Figure 9 Device dimension in inch ...

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