Vernier Software and Technology
Vernier Software & Technology
Tech Info Library

Charge Sensor Troubleshooting and FAQs

Charge Sensor, order code CRG-BTA, $75
Specifications and User Guide

TROUBLESHOOTING
-Primary Test: Confirm that the proper setting is chosen on the sensor box.
-Primary Test: After initial power up or whenever changing range setting, press the Reset button for a few seconds with the leads shorted together just to make sure all charge is depleted from the internal capacitor.
-Secondary Test: Are the readings imprecise? Be careful when handling the leads or you may alter the readings with stray charge. Refer to the sensor booklet for more tips on the proper handling and use of this sensor.

RELATED TIL ENTRIES
TIL 1385: What types of activities can I perform with the Charge Sensor?
TIL 1855: My Current Probe auto-IDs as a different sensor on LabQuest.
TIL 2211: Why does the Charge Sensor value drift upward during experiments?

SPECIFICATIONS
-new order code: CRG-BTA
-old order code: none
-Ranges: +/-0.5 V (+/-5 nC); +/-2 V (+/-20 nC); +/-10 V (+/-97 nC)
-Maximum input: +/-150 V
-Typical bias input current: 0.005 pA
-Instrument time constant: 0.1 s

CALIBRATION
-Calibrate? No. The sensor is set to the stored calibration before shipping.

RELATED VERNIER PRODUCTS
Electrostatics Kit, order code ESK-CRG, $119
High-Voltage Electrostatics Kit, order code HVEK-CRG, $269

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