Transmille 3000A Series Calibration Manual
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Transmille 3000A Series Calibration Manual

Precision multi product calibrator
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3000A Series
Precision Multi Product Calibrator
Calibration Manual
TRANSMILLE LTD.
Version 3 : Jun 2014
Page 1

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Summary of Contents for Transmille 3000A Series

  • Page 1 3000A Series Precision Multi Product Calibrator Calibration Manual TRANSMILLE LTD. Version 3 : Jun 2014 Page 1...

  • Page 2: Table Of Contents

    3000A SERIES CALIBRATION MANUAL TABLE OF CONTENTS PREPARING FOR CALIBRATION ........................ 3 ..............................3 NTRODUCTION ............................3 QUIPMENT EQUIRED ............................3 PTIONAL QUIPMENT (SCPXXX) ..........4 QUIPMENT REQUIRED FOR SCILLOSCOPE OPTION CALIBRATION (PWR50, PWRSINE, PWRDDS) ......5 QUIPMENT REQUIRED FOR...

  • Page 3: Preparing For Calibration

    3000A SERIES CALIBRATION MANUAL Preparing For Calibration Introduction The recommended calibration period for the 3000A series calibrators is 12 months. Extended specifications for 6, 12 and 24 month re-calibration periods are available from the 3000A extended specifications Calibration can be achieved using one of two methods: 1.

  • Page 4: Equipment Required For Oscilloscope (Scpxxx) Option Calibration

    Equipment required for Oscilloscope (SCPXXX) option calibration To calibrate the Oscilloscope output function of the 3000A series, the following equipment is required 1. High Accuracy precision Multimeter 2. Frequency Counter / GPS Frequency Standard / Off-air Frequency Standard 3.

  • Page 5: Equipment Required For Power (Pwr50, Pwrsine, Pwrdds) Option Calibration

    3000A SERIES CALIBRATION MANUAL Equipment required for Power (PWR50, PWRSINE, PWRDDS) option calibration To calibrate the Power output function of the 3000A series, the following equipment is required 1. High Accuracy precision Multimeter 2. Phase Meter / Oscilloscope 3. Distortion Meter / Distortion Analyser (PWRDDS option only) TRANSMILLE LTD.

  • Page 6: Calibration Password

    3000A SERIES CALIBRATION MANUAL Calibration Password Changing the Calibration Password To navigate to the ‘Calibration Password’ screen follow the procedure in the section: ‘Manual Calibration’ to step 3 where the following screen appears: 1. Select SETUP using the soft key 2.
  • Page 7 3000A SERIES CALIBRATION MANUAL The following screen is displayed for approximately 2 seconds: and then reverts to: The instrument is now ready to be calibrated and the password can be changed. TRANSMILLE LTD. Version 3 : Jun 2014 Page 7...

  • Page 8: Set New Password

    3000A SERIES CALIBRATION MANUAL Set New Password To change the password, complete the following procedure: 1. Select SETUP using the soft key 2. Use the ‘Digital Control’ or the ‘Arrow Keys’ to highlight ‘Password’ and then press SELECT soft key 2.
  • Page 9 3000A SERIES CALIBRATION MANUAL The following screen is displayed for approximately 2 seconds: and then reverts to: The password has now been changed. TRANSMILLE LTD. Version 3 : Jun 2014 Page 9...

  • Page 10: Manual Calibration

    3000A SERIES CALIBRATION MANUAL Manual Calibration Manual Calibration is achieved using the front panel control: 1. Digital control 2. Function control 3. Soft and Arrow keys 4. Range up and Down keys 5. Output On and Standby keys Function Control Digital Control 1.

  • Page 11: Entering Calibration Mode

    3000A SERIES CALIBRATION MANUAL Entering Calibration Mode To navigate to the calibration control screen, complete the following procedure: 1. Select NEXT using the soft key 2. Select NEXT using the soft key 3. Select NEXT using the soft key TRANSMILLE LTD.
  • Page 12 3000A SERIES CALIBRATION MANUAL 4. Select CALIBRATE using the soft key 5. ‘Enter Cal Password’ using function control keys (0324 is the default password) followed by The following screen is displayed for approximately 2 seconds: and then reverts to: The instrument is now ready to be calibrated TRANSMILLE LTD.
  • Page 13 3000A SERIES CALIBRATION MANUAL Should the password be entered incorrectly the screen will display for approximately 2 seconds and then reverts to: Select CALIBRATE using the soft key to navigate back to ‘Enter Cal Password’ screen and re-enter the password.

  • Page 14: Exiting Calibration Mode

    3000A SERIES CALIBRATION MANUAL Exiting Calibration Mode After calibration of the 3000A series is complete the calibration program should be ended to avoid any unauthorised or mistaken adjustment of the calibrator. The following procedure should be completed. 1. Select SETUP using the soft key 2.

  • Page 15: Calibration Parameters

    3000A SERIES CALIBRATION MANUAL Calibration Parameters With the calibration password entered the different parameters of the instrument can be calibrated: To enter the different parameters, complete the following procedure: 1. Select CALIBRATE using the soft key 2. Use the ‘Digital Control’ or the ‘Arrow Keys’ to highlight the required parameter e.g.

  • Page 16: Connections

    3000A SERIES CALIBRATION MANUAL Connections The output of the 3000A series calibrator should be connected to the precision multimeter as below : DC & AC Voltage, 2 Wire , Capacitance, Inductance, Active  DC & AC Power, 4 Wire  PRT DC &...

  • Page 17: Calibration Of Ranges

    3000A SERIES CALIBRATION MANUAL Calibration of Ranges D.C. Voltage To calibrate the D.C. Voltage parameter, complete the procedure as follows: 1. Select CALIBRATE using the soft key 2. Use the ‘Digital Control’ or the ‘Arrow Keys’ to highlight the required parameter ‘DC Volts’...
  • Page 18 3000A SERIES CALIBRATION MANUAL OUTPUT 5. Press and measure the output ‘Zero Calibration’. 6. To adjust the output, type in the measured value using the keyboard, followed by the ‘ENTER’ key i.e. 0.00028mV • ENTER 7. The output can also be adjusted by moving the ‘cursor’ to the required digit and adjusting the output using the up / down arrows or the digital control 8.
  • Page 19 3000A SERIES CALIBRATION MANUAL 10. Once the output has been adjusted to within specification, the changes can be stored to long term memory. To store the changes permanently, press the STORE soft key The following 2 screens are displayed briefly to confirm that the calibration factors have been saved.
  • Page 20 3000A SERIES CALIBRATION MANUAL 12. Measure the output, and adjust as required using the process described in steps 6 - 10 13. Use the ‘range up’ and ‘range down’ keys to change the calibration point to ‘Negative Full Scale’. 14. Measure the output, and adjust as required using the process described in steps 6 - 10 15.
  • Page 21 3000A SERIES CALIBRATION MANUAL 17. The ‘2V DC’, ’20V DC’, ‘200V DC’ and ‘1kV DC’ ranges are calibrated in the same manner. NOTE : The ‘Zero Calibration’ points for both the 200V DC and 1kV DC Ranges do not occur at 0V. They take place at 5V and 50V respectively.

  • Page 22: Current

    3000A SERIES CALIBRATION MANUAL D.C. Current To calibrate the D.C. Current parameter, complete the procedure as follows: 1. Select CALIBRATE using the soft key 2. Use the ‘Digital Control’ or the ‘Arrow Keys’ to highlight the required parameter ‘DC Amps’ and then press SELECT soft key 3.
  • Page 23 3000A SERIES CALIBRATION MANUAL 5. Use the ‘range up’ and ‘range down’ keys to change the calibration point to ‘Zero Calibration’ adjustment point OUTPUT 6. Press and measure the output ‘’Zero Calibration’. 7. To adjust the output, type in the measured value using the keyboard, followed by the ‘ENTER’...
  • Page 24 3000A SERIES CALIBRATION MANUAL This will remove any changes that have been made to the output of the calibrator. 11. Once the output has been adjusted to within specification, the changes can be stored to long term memory. To store the changes permanently, press the STORE soft key.
  • Page 25 3000A SERIES CALIBRATION MANUAL 13. Measure the output, and adjust as required using the process described in steps 7 – 11 14. Use the ‘range up’ and ‘range down’ keys to change the calibration point to ‘Negative Full Scale’. 15. Measure the output, and adjust as required using the process described in steps 7 –...
  • Page 26 3000A SERIES CALIBRATION MANUAL Remember to change the connections when calibrating the 30A range Current connections - 200A, 2mA, 20mA, 200mA and 2A ranges High current connections 30A range TRANSMILLE LTD. Version 3 : Jun 2014 Page 26...

  • Page 27: Voltage

    3000A SERIES CALIBRATION MANUAL A.C. Voltage To calibrate the A.C. Voltage parameter, complete the procedure as follows: 1. Select CALIBRATE using the soft key 2. Use the ‘Digital Control’ or the ‘Arrow Keys’ to highlight the required parameter ‘AC Volts’ and then press SELECT soft key 3.
  • Page 28 3000A SERIES CALIBRATION MANUAL 3. The Calibrator will now change to the 200mV AC range. Use the Range Up / Range Down keys to select the 206Hz Positive Full Scale adjustment point 4. Connect the calibrator output voltage terminals to the precision multimeter. Ensure that the multimeter is in AC Voltage on the appropriate range.
  • Page 29 3000A SERIES CALIBRATION MANUAL 6. The ‘SHIFT’ key will illuminate to indicate that a change has been made SHIFT to the calibration of the instrument, however has not yet been stored. 7. To undo the adjustment before storing the changes, press the UNDO soft key This will remove any changes that have been made to the output of the calibrator.
  • Page 30 Use the range up / range down keys to select the AC 10Hz Calibration Point. NOTE : In many cases only the 206Hz full scale and zero calibration points require adjustment. The Frequency Response of the 3000A series calibrator may not change.
  • Page 31 3000A SERIES CALIBRATION MANUAL 56. When calibration of this range is complete press the RANGE soft key Select ‘AC Volts’ and then ‘2V AC’ and proceed with this range as described above. 57. The ’20V AC’, ‘200V AC’ and ‘1kV AC’ ranges are calibrated in the same manner.

  • Page 32: Current

    3000A SERIES CALIBRATION MANUAL A.C. Current To calibrate the A.C. Current parameter, complete the procedure as follows: 1. Select CALIBRATE using the soft key 2. Use the ‘Digital Control’ or the ‘Arrow Keys’ to highlight the required parameter ‘AC Amps’ and then press SELECT soft key 3.
  • Page 33 3000A SERIES CALIBRATION MANUAL 3. The Calibrator will now change to the 200uA AC range. Use the Range Up / Range Down keys to select the 206Hz Positive Full Scale adjustment point 4. Connect the calibrator output voltage terminals to the precision multimeter. Ensure that the multimeter is in AC Current on the appropriate range.
  • Page 34 3000A SERIES CALIBRATION MANUAL 6. The ‘SHIFT’ key will illuminate to indicate that a change has been made SHIFT to the calibration of the instrument, however has not yet been stored. 7. To undo the adjustment before storing the changes, press the UNDO soft key This will remove any changes that have been made to the output of the calibrator.
  • Page 35 Use the range up / range down keys to select the AC 10Hz Calibration Point. NOTE : In many cases only the 206Hz full scale and zero calibration points require adjustment. The Frequency Response of the 3000A series calibrator may not change.
  • Page 36 3000A SERIES CALIBRATION MANUAL 56. When calibration of this range is complete press the RANGE soft key Select ‘AC Amps’ and then ‘2mA AC’ and proceed with this range as described above. 57. The ’2mA AC’, ‘20mA AC’,‘200mA AC’, ‘2A AC’ and ‘30A AC’ ranges are calibrated in the same manner.

  • Page 37: Ireω

    To calibrate the 2Wire Ω parameter, complete the procedure as follows: NOTE : The 2Wire Ω output from the 3000A series calibrator is a passive output. This means that the value on the display is the resistance value generated at the terminals.
  • Page 38 3000A SERIES CALIBRATION MANUAL 3. The Calibrator will now change to the 10 Ω 2 Wire range. 4. Connect the calibrator Voltage (2 Wire output) terminals to the precision multimeter. To ensure an accurate measurement connect as a 4 wire measurement, with both positive leads connected together.
  • Page 39 3000A SERIES CALIBRATION MANUAL 6. The ‘SHIFT’ key will illuminate to indicate that a change has been made SHIFT to the calibration of the instrument, however has not yet been stored. 7. To undo the adjustment before storing the changes, press the UNDO soft key This will remove any changes that have been made to the output of the calibrator.
  • Page 40 3000A SERIES CALIBRATION MANUAL 56. When calibration of this range is complete press the RANGE soft key, Select ‘2 Wire Ω’, and then select the required range. 57. The ‘0 mΩ’, ‘100 mΩ,‘1Ω’, ‘10Ω’, ‘1 kΩ’, ’10 kΩ’, ‘100 kΩ’, ‘1 MΩ’, ’10 MΩ’, ‘100 MΩ’...

  • Page 41: Ireω

    To calibrate the 4Wire Ω parameter, complete the procedure as follows: NOTE : The 4Wire Ω output from the 3000A series calibrator is a passive output. This means that the value on the display is the resistance value generated at the terminals.
  • Page 42 3000A SERIES CALIBRATION MANUAL 3. The Calibrator will now change to the 10 Ω 4 Wire range. 4. Connect the calibrator Voltage and Low current output terminals (4 wire resistance) to the precision multimeter. Ensure that the multimeter is nulled with the calibrator set to the 0R range.
  • Page 43 3000A SERIES CALIBRATION MANUAL 6. The ‘SHIFT’ key will illuminate to indicate that a change has been made SHIFT to the calibration of the instrument, however has not yet been stored. 7. To undo the adjustment before storing the changes, press the UNDO soft key This will remove any changes that have been made to the output of the calibrator.
  • Page 44 3000A SERIES CALIBRATION MANUAL 56. When calibration of this range is complete press the RANGE soft key, Select ‘4 Wire Ω’, and then select the required range. 57. The ‘0 mΩ’, ‘100 mΩ,‘1Ω’, ‘10Ω’, ‘1 kΩ’, ’10 kΩ’ and ‘100 kΩ’ ranges are calibrated in the same manner.

  • Page 45: Activeω

    Active Ω To calibrate the Active Ω parameter, complete the procedure as follows: The Active Ω output of the 3000A series is available as a 2 Wire output only, however the output can be varied to any output 1. Select CALIBRATE using the soft key 2.
  • Page 46 3000A SERIES CALIBRATION MANUAL 3. The Calibrator will now change to the 100 Ω Active Resistance range. Using the Range up / Range Down keys, select the ‘Zero Calibration’ adjustment point 4. Connect the calibrator Voltage output terminals (Active Resistance output) Ensure that the multimeter has been zeroed with the leads shorted.
  • Page 47 3000A SERIES CALIBRATION MANUAL 6. The ‘SHIFT’ key will illuminate to indicate that a change has been made SHIFT to the calibration of the instrument, however has not yet been stored. 7. To undo the adjustment before storing the changes, press the UNDO soft key This will remove any changes that have been made to the output of the calibrator.
  • Page 48 3000A SERIES CALIBRATION MANUAL Press the Range Up / Range Down keys until ‘Full Scale Calibration’ is displayed Measure the output, and adjust as required using the steps previously described. If the ‘Full Scale Calibration’ has been adjusted, ensure that the ‘Zero Calibration’...

  • Page 49: Capacitance

    Capacitance To calibrate the Capacitance parameter, complete the procedure as follows: NOTE : The Capacitance output from the 3000A series calibrator is a passive output. This means that the value on the display is the capacitance value generated at the terminals.
  • Page 50 3000A SERIES CALIBRATION MANUAL 3. The Calibrator will now change to the 1uF Capacitance range. 4. Connect the calibrator Voltage (Capacitance) terminals to the LCR Bridge. To ensure an accurate measurement connect as a 4 wire measurement, with both positive leads connected together. Ensure that the LCR Bridge is nulled before...
  • Page 51 3000A SERIES CALIBRATION MANUAL 6. The ‘SHIFT’ key will illuminate to indicate that a change has been made SHIFT to the calibration of the instrument, however has not yet been stored. 7. To undo the adjustment before storing the changes, press the UNDO soft key This will remove any changes that have been made to the output of the calibrator.
  • Page 52 3000A SERIES CALIBRATION MANUAL 56. When calibration of this range is complete press the RANGE soft key, Select ‘2 Wire Ω’, and then select the required range. 57. The ‘1nF’, ‘10nF’, ‘20nF’, ‘50nF’, ‘100nF’, ‘10uF’ and ‘100uF’ ranges are calibrated in the same manner.

  • Page 53: Frequency Output

    3000A SERIES CALIBRATION MANUAL Frequency Output Information to be added in next revision of Calibration manual. Please note that there is no adjustment of the frequency output available from the front panel, this is adjusted manually on the top board of the calibrator.

  • Page 54: Nductance

    Inductance To calibrate the Capacitance parameter, complete the procedure as follows: NOTE : The Inductance output from the 3000A series calibrator is a passive output. This means that the value on the display is the Inductance value generated at the terminals.
  • Page 55 3000A SERIES CALIBRATION MANUAL 3. The Calibrator will now change to the 100mH Inductance range. 4. Connect the calibrator Voltage (Inductance) terminals to the LCR Bridge. To ensure an accurate measurement connect as a 4 wire measurement, with both positive leads connected together. Ensure that the LCR Bridge is nulled before...
  • Page 56 3000A SERIES CALIBRATION MANUAL 6. The ‘SHIFT’ key will illuminate to indicate that a change has been made SHIFT to the calibration of the instrument, however has not yet been stored. 7. To undo the adjustment before storing the changes, press the UNDO soft key This will remove any changes that have been made to the output of the calibrator.
  • Page 57 3000A SERIES CALIBRATION MANUAL 56. When calibration of this range is complete press the RANGE soft key, Select ‘2 Wire Ω’, and then select the required range. 57. The ‘1mH’, ‘10mH’,’19mH’,’29mH’,’50mH’, ‘1H’ and ‘10H’ ranges are calibrated in the same manner.

  • Page 58: Prt

    3000A SERIES CALIBRATION MANUAL To calibrate the Capacitance parameter, complete the procedure as follows: NOTE : The PRT output from the 3000A series calibrator is a passive output. This means that the value on the display is the Temperature (Based on R0=100) value generated at the terminals.
  • Page 59 3000A SERIES CALIBRATION MANUAL 3. The Calibrator will now change to the 100 °C PRT range. 4. Connect the calibrator Voltage and Current terminals to the precision Multimeter using 4 wire connection methods. If available, set the reference multimeter to Temperature mode, otherwise use lookup tables to convert the indicated resistance to temperature.
  • Page 60 3000A SERIES CALIBRATION MANUAL 6. The ‘SHIFT’ key will illuminate to indicate that a change has been made SHIFT to the calibration of the instrument, however has not yet been stored. 7. To undo the adjustment before storing the changes, press the UNDO soft key This will remove any changes that have been made to the output of the calibrator.
  • Page 61 3000A SERIES CALIBRATION MANUAL 56. When calibration of this range is complete press the RANGE soft key, Select ‘2 Wire Ω’, and then select the required range. 57. The ‘PRT -100 °C’, ‘PRT 0°C’,’PRT 30°C’, ’PRT 60°C’, ’PRT 200°C’, ‘PRT 400°C’...

  • Page 62: Oscilloscope - Amplitude

    3000A SERIES CALIBRATION MANUAL Oscilloscope – Amplitude 1. Select CALIBRATE using the soft key 2. Use the ‘Digital Control’ or the ‘Arrow Keys’ to highlight the required parameter ‘Scope’ and then press SELECT soft key 3. Use the ‘Digital Control’ or the ‘Arrow Keys’ to highlight the 10mV/Div range and then press SELECT soft key TRANSMILLE LTD.
  • Page 63 3000A SERIES CALIBRATION MANUAL 3. The Calibrator will now change to the 10mV/Division Oscilloscope Amplitude range. 4. Connect the calibrator Oscilloscope output to the precision digital multimeter. Set the 100mV DC voltage range. Normally the Oscilloscope Amplitude output is a levelled square AC Voltage output, however in the calibration mode this is set to a levelled DC waveform.
  • Page 64 3000A SERIES CALIBRATION MANUAL 6. The ‘SHIFT’ key will illuminate to indicate that a change has been made SHIFT to the calibration of the instrument, however has not yet been stored. 7. To undo the adjustment before storing the changes, press the UNDO soft key This will remove any changes that have been made to the output of the calibrator.
  • Page 65 3000A SERIES CALIBRATION MANUAL When calibration of this range is complete press the RANGE soft key, The Oscilloscope Amplitude output has two calibration points to be adjusted, the 10mV/Div output and the 100mV/Div output. 2. Use the ‘Digital Control’ or the ‘Arrow Keys’ to highlight the required parameter ‘Scope’...
  • Page 66 3000A SERIES CALIBRATION MANUAL OUTPUT 5. Press and measure the output. If required, adjust the output as previously described, either typing in the measured value or deviating the output of the calibrator using the cursor and the arrow keys / digital control.

  • Page 67: Oscilloscope - Bandwidth

    3000A SERIES CALIBRATION MANUAL Oscilloscope – Bandwidth 1. Select CALIBRATE using the soft key 2. Use the ‘Digital Control’ or the ‘Arrow Keys’ to highlight the required parameter ‘Scope’ and then press SELECT soft key 3. Use the ‘Digital Control’ or the ‘Arrow Keys’ to highlight the required parameter ‘Bandwidth’...
  • Page 68 3000A SERIES CALIBRATION MANUAL 3. The Calibrator will now change to the Scope Bandwidth Function. Use the Range Up / Range Down keys to select the required Scope Bandwidth adjustment point The currently selected adjustment point is displayed on the screen above...
  • Page 69 3000A SERIES CALIBRATION MANUAL 6. The ‘SHIFT’ key will illuminate to indicate that a change has been made SHIFT to the calibration of the instrument, however has not yet been stored. 7. To undo the adjustment before storing the changes, press the UNDO soft key This will remove any changes that have been made to the output of the calibrator.
  • Page 70 3000A SERIES CALIBRATION MANUAL 8. Use the ‘range up’ and ‘range down’ keys to change the calibration point to Scope BW 10MHz. 10. Adjust as steps ASJDASJDASDJ. 11. Continue adjustment until 260MHZ (SCP250) / 360MHz (SCP350) / 620MHz (SCP600) point has been adjusted 12.

  • Page 71: Ac Power (Current Output)

    3000A SERIES CALIBRATION MANUAL AC Power (Current Output) 1. Select CALIBRATE using the soft key 2. Use the ‘Digital Control’ or the ‘Arrow Keys’ to highlight the required parameter ‘Power AC’ and then press SELECT soft key 3. Use the ‘Digital Control’ or the ‘Arrow Keys’ to highlight the required parameter ‘200uA AC’...
  • Page 72 3000A SERIES CALIBRATION MANUAL 3. The Calibrator will now change to the 200uA AC range. Use the Range Up / Range Down keys to select the 60Hz Positive Full Scale adjustment point 4. Connect the calibrator output voltage terminals to the precision multimeter. Ensure that the multimeter is in AC Current on the appropriate range.
  • Page 73 3000A SERIES CALIBRATION MANUAL 6. The ‘SHIFT’ key will illuminate to indicate that a change has been made SHIFT to the calibration of the instrument, however has not yet been stored. 7. To undo the adjustment before storing the changes, press the UNDO soft key This will remove any changes that have been made to the output of the calibrator.
  • Page 74 3000A SERIES CALIBRATION MANUAL 8. Use the ‘range up’ and ‘range down’ keys to change the calibration point to 60Hz ‘Zero Calibration’. NOTE : The ‘Zero Calibration’ of the AC Current ranges is performed at 20% of full scale 9. Measure the output as before; if necessary adjust as previously described above.
  • Page 75 3000A SERIES CALIBRATION MANUAL Remember to change the connections when calibrating the 30A range Current connections - 200A, 2mA, 20mA, 200mA and 2A ranges High current connections 30A range TRANSMILLE LTD. Version 3 : Jun 2014 Page 75...

  • Page 76: Dc Power (Current Output)

    3000A SERIES CALIBRATION MANUAL DC Power (Current Output) 1. Select CALIBRATE using the soft key 2. Use the ‘Digital Control’ or the ‘Arrow Keys’ to highlight the required parameter ‘Power DC’ and then press SELECT soft key 3. Use the ‘Digital Control’ or the ‘Arrow Keys’ to highlight the required parameter ‘200uA DC’...
  • Page 77 3000A SERIES CALIBRATION MANUAL 3. The Calibrator will now change to the 200uA DC range. Use the Range Up / Range Down keys to select the Positive Full Scale adjustment point 4. Connect the calibrator output voltage terminals to the precision multimeter. Ensure that the multimeter is in DC Current on the appropriate range.
  • Page 78 3000A SERIES CALIBRATION MANUAL 6. The ‘SHIFT’ key will illuminate to indicate that a change has been made SHIFT to the calibration of the instrument, however has not yet been stored. 7. To undo the adjustment before storing the changes, press the UNDO soft key This will remove any changes that have been made to the output of the calibrator.
  • Page 79 3000A SERIES CALIBRATION MANUAL 8. Use the ‘range up’ and ‘range down’ keys to change the calibration point to ‘Zero Calibration’. 9. Measure the output as before; if necessary adjust as previously described above. 11. Measure the output as before; if necessary adjust as previously described above.
  • Page 80 3000A SERIES CALIBRATION MANUAL Current connections - 200A, 2mA, 20mA, 200mA and 2A ranges High current connections 30A range TRANSMILLE LTD. Version 3 : Jun 2014 Page 80...

  • Page 81: A/D Input

    3000A SERIES CALIBRATION MANUAL A/D Input Injecting voltage between Pins 7 (Ground) and 9 (Input), the 3000A series calibrator can measure voltage. This is used for adapters with readback (such as EA001A, EA015 etc) as well as Pressure and Torque Modules 1.
  • Page 82 3000A SERIES CALIBRATION MANUAL 3. The Calibrator will now change to the A/D Input Screen. Use the Range Up / Range Down keys to select the Zero Calibration adjustment point 4. Apply an output of 0V from your voltage source to the adapter interface, using Pin 7 as the Ground or Negative connection, and Pin 9 as the Signal or Positive connection.
  • Page 83 3000A SERIES CALIBRATION MANUAL The screen of the 3000A will now display 0V. If the reading is different, repeat the previous stages 3. Using the Range Up / Range Down keys to select the Positive Full Scale adjustment point 4. Apply an output of 10V from your voltage source to the adapter interface, using Pin 7 as the Ground or Negative connection, and Pin 9 as the Signal or Positive connection.
  • Page 84 3000A SERIES CALIBRATION MANUAL 7. The following 2 screens are displayed briefly to confirm that the calibration has been saved. The screen of the 3000A will now display 10V. If the reading is different, repeat the previous stages 3. Using the Range Up / Range Down keys, select the Negative Full Scale point, and repeat the TRANSMILLE LTD.

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