(English Version) I. Disclaimers, Exclusions and Limitations of Liability pg 04 II. About this book pg 05 III. About your Presidium Carat Scale pg 06 IV. IMPORTANT NOTICE pg 08 1. GETTING STARTED with your Presidium Carat Scale pg 09 2.
PLEASE READ AND NOTE PRESIDIUM WARRANTY TERMS AND CONDITIONS as stated in the warranty card. Presidium warranty for its testers are subject to proper use by its users in accordance with all the terms and conditions as stated in the relevant user handbook and shall cover only manufacturing defects.
II. About this book Thank you for purchasing the Presidium Carat Scale (PCS-100n). This handbook is designed to help you set up your scale and describes all you need to know about how to use your scale accurately and take care of it in line with its requirements.
III. About your Presidium Carat Scale The Presidium Carat Scale utilizes a strain gauge load-cell to provide output in terms of millivolts, which is then converted to weight by a micro-controller inside the scale. The Presidium Carat Scale features the following: •...
• Do not paint the tester. Paint can clog the moving parts and prevent proper operation. If the tester is not working properly, kindly contact Presidium Customer Service at service@presidium.com.sg or: Presidium Instruments Pte Ltd Unit 7, 207 Henderson Road...
AC adaptor to the tester and the other end directly into a suitable electrical outlet. Please ensure that only the adaptor supplied by Presidium is used (Fig. 1.1). Fig. 1.1 If batteries are used (4 x AAA batteries), take note of the positive (+) and negative (-) directions of batteries when inserting the batteries into the scale (Fig.
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Turning on your Presidium Carat Scale Place the scale on flat level surface. Lift the transparent lid. Place the tray on the weighing arm, then close the lid (Fig. 1.3). Fig. 1.3 Press the [ON/OFF] button (Fig. 1.4) to turn on the scale.
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Calibration Press the CAL button and [CAL] will appear and start blinking. When the display prompts, make sure the Calibration Weight (20g) is placed on the weighing tray (Fig. 1.6). Close the transparent lid. Fig. 1.6 “CAL” will become stable and after a few seconds, “20.000g”...
2. PERFORMING A TEST with your Presidium Carat Scale Place the gemstone to be measured on the weighing tray (Fig. 2.1) after the word “READY” appears. The result will be displayed immediately on the LCD. Fig. 2.1 For accurate reading, take the reading only after the word “READY”...
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In case a “Vessel” is required, place it on the weighing arm, press “TARE” to offset the weight of the vessel. Tips for using your Presidium Carat Scale Keep the transparent lid closed when the scale is in operation. It is advisable to take multiple readings if any doubt exists...
3. TROUBLESHOOTING your Presidium Carat Scale [CAL] does not stop blinking: • The calibration weight was removed from the tray during calibration and calibration was terminated. The calibration process must be repeated. [Error] sign appears during calibration: • The calibration weight was placed onto the tray before the [CAL] started blinking.
4. TAKING CARE of your Presidium Carat Scale • For accuracy of reading, avoid shocks (such as dropping the instrument) or vibrations to the unit. Do not shake or cause impact to the unit. • Do not attempt to dismantle the unit.
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