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Innovative Measurement Electronics ...better value by design! PT200M Digital Indicator Operator Manual...
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PT Ltd. Disclaimer PT Ltd reserves the right to make changes to the products contained in this manual in order to improve design, performance or reliability. The information in this manual is believed to be accurate in all respects at the time of publication, but is subject to change without notice.
Operator Manual Rev 2.0 1. Introduction This instrument is a precision digital indicator using the latest Sigma-Delta A/D technology to ensure fast and accurate weight readings. 1.1. Approvals (for trade versions only) • NSC approval (4000 divisions at 0.8µV/division). • NMI approval (4000 divisions at 0.8µV/division). •...
Operator Manual Rev 2.0 2. Safety 2.1. Operating Environment • Operating Temperature: –10 to 50°C • Humidity: <90% non-condensing • Operating Voltage: Shown on Rear Label 2.2. Electrical Safety • For your protection all mains electrical hardware must be rated to the environmental conditions of use. •...
Operator Manual Rev 2.0 3.2. Operation Keys Description POWER: The <POWER> key is used to turn the instrument on and off. • To initially turn the instrument ON: Press and hold the <POWER> key until the display starts up. • To turn the instrument OFF: Press and hold the <POWER>...
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Operator Manual Rev 2.0 Description ZERO: The <ZERO> key is used to perform a Zero adjustment on the scale display when an empty scale has drifted away from a true zero reading. • The Zero adjustment is stored when power is removed and is re-used when next powered •...
Operator Manual Rev 2.0 Description PRINT: The <PRINT> key will trigger an output of the current weight reading if a printer or computer has been attached to the instrument and the manual print function has been selected. • The PRINT prompt is displayed while waiting for the printer to accept data.
Operator Manual Rev 2.0 3.4. Annunciators Symbol Name Description Visible when the gross reading is within ± ¼ of a division of true ZERO zero. Visible when the displayed reading represents Net weight. Visible when the displayed reading MOTION is not stable. Output 1 Visible when the output 1 is active.
Operator Manual Rev 2.0 4. Basic Weighing 4.1. Normal Weighing • Ensure instrument is On and Zero annunciator is lit. • Place your item on the weigh platform. • Read the weight display. 4.2. Using Tare • The indicator displays zero with Zero annunciator lit. •...
Operator Manual Rev 2.0 5. Special Functions 5.1. Testing the Display • Press the <TEST> key to clear the display then show all segments of the display then clear the display again before returning to normal operation. 5.2. Counting • Place the container on the weigh platform and press <TARE>...
Operator Manual Rev 2.0 5.3. Units Switching (kg / lb) • Press the <UNITS> key to switch the display between kilograms and pounds. • Printing and serial communications will use the units displayed (either lb or kg). 5.4. Hold • Press the <HOLD> key to hold the displayed weight at its current weight.
Operator Manual Rev 2.0 5.6. Live Weighing • Press and hold the <LIVE WT> key to switch between normal weighing and live weight mode. The display will briefly show NORMAL or LIVE.WT. • Note: During normal weighing, this key operates exactly like a manual <HOLD> key. •...
Operator Manual Rev 2.0 5.7. Showing Totals • The <PRINT> key is used not only to print the current weight but also to add that weight to the current total. • When the <TOTAL> key is pressed, the indicator displays COUNT followed by the number of items in the total.
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Operator Manual Rev 2.0 5.9. High Resolution (K303) • When the <HI RES> key is pressed, the indicator shows a high resolution (x 10) on the display. • While the high resolution is displayed the units annunciator flashes. • Printing is inhibited while the high resolution is displayed. 5.10.
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• The target weight for setpoint 1. • SETPT.2 • The target weight for setpoint 2. • Press and hold the < Set.Pt > key for two seconds SETPT.1 will be displayed followed by the target 1 weight for editing.
Operator Manual Rev 2.0 6. Error Messages 6.1. Weighing Errors Error Description Resolution (U - - - - -) The weight is below Increase the weight or the minimum allowable decrease the minimum weight reading. allowable weight reading. (O - - - - -) The weight is above Check the condition of the maximum...
An attempt has been made Incorrect linearisation point (LIN.PT) to place a linearisation point entered (must be between (LO) below zero. zero and full scale). An attempt has been made Re-enter the calibration (PT.TOO)
Operator Manual Rev 2.0 6.3. Diagnostic Errors • Check: Service personnel can check this item on site. • Return for Service: The instrument must be returned to the manufacturer for factory service. Error Description Resolution (E0001) The power supply voltage is too Check supply low.
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