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YOKOGAWA MT300 Adjustment Manual
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YOKOGAWA MT300 Adjustment Manual

YOKOGAWA MT300 Adjustment Manual

Digital manometer d/a output, voltage/current measurement adjustment method
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User's
Manual
This instrument should be adjusted by a qualified engineer at a qualified facility with sufficient precision. The
adjustment feature of this instrument can be used to adjust the D/A output and voltage/current measurement.
The adjustment values are retained even when the instrument is initialized, but they may be reset if the
instrument is adjusted at a YOKOGAWA factory. If you need to adjust the instrument more than that is possible
with the adjustment feature or if you want calibration and adjustment to be performed at a YOKOGAWA factory,
contact your nearest YOKOGAWA dealer.
Applicable Conditions
The following options are installed in the MT300.
•
D/A output adjustment: /DA option
•
Voltage/current measurement adjustment: /DM option
Equipment Used
• Digital multimeter
• Standard DC voltage/current source
• Standard resistor (100Ω)
Each piece of equipment must be calibrated and with sufficient precision.
Adjustment Procedure and Conditions
• Ambient temperature 23°C ± 3°C; humidity 35%RH to 75%RH; at least 30 minute warm-up
• Supply voltage fluctuation tolerance: 90 VAC to 132 VAC or 180 VAC to 264 VAC
Power frequency fluctuation tolerance: 47 Hz to 63 Hz
• Use the default settings for settings that are not specified.
Procedure
Switching to Adjustment Mode
1.
Press MENU. The top menu appears.
2.
Press the Utility soft key, the Next soft key, and then the Next soft key. The following menu appears.
3.
Press the Maintenance soft key. The Maintenance menu appears.
4.
Press the Calibration soft key. A password input screen appears.
5.
Use the arrow (▲, ▼, ◄, and ►) keys to enter the password "1111."
MT300 Digital Manometer
D/A Output, Voltage/Current
Measurement Adjustment Method
3458A (Keysight) or equivalent
GS200 (YOKOGAWA) or equivalent
2792A06 (YOKOGAWA) or equivalent
1st Edition : January 2020 (YMI)
All Rights Reserved, Copyright © 2020, Yokogawa Test & Measurement Corporation
Printed in Japan
IM MT300-71EN 1/12
1st Edition

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Summary of Contents for YOKOGAWA MT300

  • Page 1 The adjustment values are retained even when the instrument is initialized, but they may be reset if the instrument is adjusted at a YOKOGAWA factory. If you need to adjust the instrument more than that is possible with the adjustment feature or if you want calibration and adjustment to be performed at a YOKOGAWA factory, contact your nearest YOKOGAWA dealer.
  • Page 2 Press the PlusFull soft key. The full-scale positive value (+2 V) is output, and the input screen appears. When the digital multimeter display stabilizes, use the arrow (▲, ▼, ◄, and ►) keys to input the value displayed on the digital multimeter. Press ENTER. The full-scale positive adjustment value is set. 2/12 IM MT300-71EN...
  • Page 3 When you enter adjustment values, they are reflected in the measurement value. Connect this instrument, digital multimeter, and standard DC voltage current source. For the wiring method and instrument setup, see “Explanation.” Press the PlusFull soft key. On the standard DC voltage current source, output +5 V. IM MT300-71EN 3/12...
  • Page 4 Press ENTER. The full-scale positive adjustment value is set. Press the MinusFull soft key. On the standard DC voltage current source, output −20 mA. When the value displayed on the digital multimeter stabilizes, divide the displayed value by the standard resistor value to calculate the current. 4/12 IM MT300-71EN...
  • Page 5 Canceling the Adjustment Values On the D/A output or voltage/current measurement adjustment menu, press ESC. D/A output adjustment menu Press the OK soft key. The adjustment values are discarded, and the screen returns to the adjustment menu. IM MT300-71EN 5/12...
  • Page 6 If you calibrated the D/A output, press the D/A Cal. Date soft key. The following screen appears. Use the arrow (▲, ▼, ◄, and ►) keys to enter the date, and then press ENTER. If you calibrated the voltage/current measurement (/DM option), in step 5 above, press the DMM Cal. Date soft key, and enter the calibration date. 6/12 IM MT300-71EN...
  • Page 7 • Connect this instrument’s current input terminal, the 3458A digital multimeter’s voltage input terminal, the GS200 standard DC voltage current source’s output terminal, and the 2792A06 standard resistor. SOURCE (GS200) DMM (3458A) 100Ω A COM MT300 • Set the 3458A measurement range to 10 VDC range and the integration time to 50NPLC. IM MT300-71EN 7/12...

  • Page 8: List Of Commands

    Sets or queries the measurement range of the voltage/current measurement to be adjusted. :CALibrate:DMM:WRITe Writes the adjustment value of voltage/current measurement. :CALibrate:FUNCtion Sets or queries the adjustment target (voltage/current measurement, D/A output). :CALibrate:PASSword Enters the password for switching to adjustment mode. 8/12 IM MT300-71JA...
  • Page 9 DA. If advance to set the adjustment target to DA. If the adjustment target is not DA, a “221: Setting the adjustment target is not DA, a “221: Setting conflict” error will occur. conflict” error will occur. • Use the :CALibrate:DA:POINt command to set the adjustment point to PFULL. If the adjustment point is not PFULL, a “221: Setting conflict” error will occur. IM MT300-71EN 9/12...
  • Page 10 • Use the :CALibrate:DMM:POINt command Description • On models without the /DA option, a “241: Hardware missing” error will occur. to set the adjustment point to PFULL. If the • Use the :CALibrate:FUNCtion command in adjustment point is not PFULL, a “221: Setting advance to set the adjustment target to DA. If conflict” error will occur. the adjustment target is not DA, a “221: Setting conflict” error will occur. • When executed, the adjustment target is set to NONE. 10/12 IM MT300-71EN...
  • Page 11 PFULL: Full-scale positive value MFULL: Full-scale negative value :CALIBRATE:DMM:POINT PFULL Example :CALIBRATE:DMM:POINT? -> :CALIBRATE:DMM:POINT PFULL Description • On models without the /DM option, a “241: Hardware missing” error will occur. • Use the :CALibrate:FUNCtion command in advance to set the adjustment target to DMM. If the adjustment target is not DMM, a “221: Setting conflict” error will occur. A query returns the current value. IM MT300-71EN 11/12...
  • Page 12 :CALibrate:PASSword {< String >} Syntax <String>: Password :CALIBRATE:PASSWORD "1111" Example Description You must enter a password to use the commands in the CALibrate group. Enter a character string for the password. To exit from adjustment mode, enter an empty string (two consecutive double quotation marks). 12/12 IM MT300-71EN...