DATRON 4700 PDF

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Model Specifications. Manufacturer(s). Datron. Instrument Model: Description: Autocal Multifunction Calibrator. Instrument Type(s). Calibrator. Application. Find great deals for DATRON AUTOCAL Multifunction Calibrator as Is. Shop with confidence on eBay!. Datron | Sale | Rental | Lease – Calibrator. Datron Calibrator. Contact us for pricing and availability. Description; Options.

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To accommodate these variations, fee system progi-ammer uses the K codes: Set to its ImV range. For steps 13, reconnect as Fig. The lOV Range span is also shown for comparison. This is deariv not a practical proposition following delivery. Repeat procedure as required. A second press cancels the function. Calibrate the 400 or close to the calibration points in the table.

Thus on receipt of theDatron s uncertainties must be i.

In manual operation the user who is exposed to 400 from high voltages also has direct control of the output, but it is not possible to give the same degree of bufltun protection to exposed users when the instrument is under remote program control.

Pvepeat a to gbut setting theIVD ra,tio and. If conditions are still abnormal the FAIL state will persist, and a further attempt may be made after a suitable interval. Any range selection which would exceed the internally defined voltage- frequency limit is automatically inhibited.

Twist or run leads togetlieikeep length less than I meter.

Datron Autocal Multifunction Calibrat – Instrument Driver – National Instruments

It can be overridden by tlie command Dl, but the use of this command sets up potentially dangerous situations. Refer to para 5 for connections to the measuring equipmgit.

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The positive and dateon zeroes are now both aligned to the Calibration Source zero. High Frequency Calibrations Several passes may be required to acWeve satisfactory calibration, particularly if the initiai errors are large or the calibration takes longer than required by the Transfer System in use. Com,binations of the above factors can lead to conflicting requirements, and users 400 be faced with a choice between methods.

Testing should only be performed by qualified technicians. A perfectly calibrated DMM would have an exact 1: The hour stability specifications can. Thus the value registered on tile display may be set within the range permitted by the function selected. Operational Sequence Guidelines — a little dafron help with programming sequences.

DATRON 4700 AUTOCAL Multifunction Calibrator as Is

Ensure that the is set to the lOmV AC datroh. The address selected must be the same as that used in tiie controller program to acdvate the Nominal values of each precision resistor for the a function are marked below the keys. Fixed or Adjustable Voltage Standard?

Remote or Local Sense is selectable from the front panel. Refer to Appendix 5b. Any combination of these two FAIL messages can appear in sequence, replacing the running message. On power-up, tlie internal calibration memory is automatically checked.

These verification checks are not datgon traceable. Other Useful Features Aithougil not essential to normal verification, the following additional facilities can sometimes simplify procedures: Therefore the has been designed to inhibit any other sequence. Activation has been prevented. Carry out the checks in the order listed in Table 3 Resistance on the Verification Report Sheet, to minimize waiting time for thermal stabilization.

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After pressing Test Key, the Visual Check sequence commences. Configure the Themial Transfer for AC measurement at tlie required voltage. Set to ADD mil as shown Address During calibration the actual value is measured and stored datro the calibration memory to be displayed whenever that range is selected.

[volt-nuts] Datron 4700 manual and options

Sequences such as this are often assembled into programs to check DMlMh at many calibration points; changing functions, ra,nges and output levels as designed by the user. The uses a microprocessor for control management, simplifying its use in complex manual operations, such as calibration of high-quality digital multimeters.

Reinsert the selector board datrob into the module slot.

Interconnections and Guarding; Refer to Section 4, page Mechanical damage — The series contain several large transformers and are very heavy. Their functions and connections are identical. Increase sensitivity when necessary to obtain datfon required input level.

Sum the Verification setup unceitainties and record in the Us column, as voltage deviations Refer to Appendix 5. The updated correction factors are applied in the normal RUN mode. The connections to ratron resistor remain the same, but the display value includes the resistance of the connections form the Ei and Lo terminals to the resistor.

Use the general sequence: Test Instructions These instruments can produce or measure lethal voltages at their terminals. The selected deviation would exceed the full-scale value.