Keithley Instruments, Inc. warrants this product to be free from defects in material . aspects of Nanovoltmeter operation, refer to the Model User’s Manual. A. Nanovoltmeter. Accessories Supplied. Low Thermal Input Cable with spade lugs, m (4 ft). User manual, service manual, contact cleaner. View and Download Keithley user manual online. Nanovoltmeter. Measuring Instruments pdf manual download. Also for: a.

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ACAL Selects automatic gain calibration. Be sure to use shielded IEEE cables for bus connections. The Model reacts to this trigger if it is the programmed control source. The above table only provides the commands to perform ACAL, which is a procedure mqnual be performed by the operator. Signal paths There are two basic signal paths: Ratio and Delta For even greater precision, the Relative feature of the Model can be used to null out thermal EMFs, which can corrupt low voltage measurements.

It has the same effect as a group execute trigger GET. When the calibration step is completed, a service request will be generated and set the RQS bit, indicating that the next calibration step can now be performed. By enabling Delta measurements on the Modelthe effects of thermal EMFs in the test leads will automatically be manuao during the source-measure process. Repeat step 7 for negative source voltages with the same magnitudes as those listed in Table The Model is optimized to provide low-noise readings when measurement speed is set from 1 to 5 PLC.


With Ohms dR or Siemens dG measurement units selected, the reading is calculated as follows: Table Temperature measurement accuracy limits Query state of Rel.

Performing the verification test procedures Doesn’t that kinda raise a flag? Shielding LO shield with a second safety shield that is insulated from the inner shield. Analog Signal Switching States Troubleshooting Analog signal switching states Table Table provide switching states of the various ICs and transistors for the basic keithleu functions and ranges.

Test System Configurations Voltage And Temperature Connections Verification Reading Limits Don’t show me this message again. The input cable is shown in Figure SeeTable for wire colors. Addresses the Model to talk.

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Page Example Pro- grams Example Programs Page The General Bus Commands are explained as follows: Model on one end and four copper spade lugs for connection to DUT on the other.

Scpi Programming – Ratio And Delta Instrument Reassembly Disassembly Instrument reassembly Reassemble the instrument by reversing the previous disassembly procedures. I perform a current sweep with steps with the and want to measure the resulant voltage and store it in the buffer of the A. Page – Figure Setup of Model 22182a Model Power Transformer Removal Testing Superconductor Materials Flow control signal handshaking Signal handshaking between the controller and the instrument allows the two devices to communicate to each other regarding being ready or not ready to receive data.


keithley A readout with GPIB – Discussion Forums – National Instruments

Page of Go. Generating An Srq On Error A device can be either an instrument or a computer.

You can exit from the menu structure at any time by pressing EXIT. Wait two minutes to allow for thermal equilibrium before proceeding.


Start the calibration process as follows: Replaceable Parts Table Motherboard parts list B Calibration Reference Precalibration commands: Cancels all pending commands. Page Triggering Idle and initiate The instrument is considered to be in the idle state whenever operation is at the top of the trigger model. Enter text from picture: Common Commands Figure Standard event enable register STEP commands are intended to be one-time manufacturing calibration steps, and are only allowed if the STEP key was held in at power-up.

Generally, keithlley instrument should be placed in the remote ekithley before you attempt to program it over the bus. Marks end of transmission.

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