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Ohaus Corporation
19A Chapin Road
P.O. Box 2033
Pine Brook, NJ 07058, USA

Ohaus Ruby Compact Jewelry Scale

with Taels

-OPERATING MANUAL-

• For best results, use the scale in the specified optimum operating

temperature.

• For best accuracy, perform your mass measurements in clean

environments, free of electrostatic and magnetic fields, dust and dirt,
moisture, vibration and air currents.

• Use your scale with care, gently loading items to be weighed onto the

center of the pan.  Avoiding rough treatment will aid in the life of your
compact scale.

• Calibration weights are not provided with the scale.

MANUAL.pmd

9/14/2005, 2:51 PM

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Summary of Contents for JR 300T

Page 1: ...rature For best accuracy perform your mass measurements in clean environments free of electrostatic and magnetic fields dust and dirt moisture vibration and air currents Use your scale with care gently loading items to be weighed onto the center of the pan Avoiding rough treatment will aid in the life of your compact scale Calibration weights are not provided with the scale MANUAL pmd 9 14 2005 2 ...

Page 2: ...ear for approximately 3 seconds before resetting to zero Stable Reading Indication On the display a star indicator will appear in the lower left corner of the display when a stable reading has been reached Weight Unit Indication On the display either g thk tsg or trc will appear indicating the weight unit selected Overload If the applied load exceeds the capacity of the scale an E will appear on t...

Page 3: ...Unit Cal Press this button briefly to change the weighing unit The following weight units may be selected Hong Kong Taels thk Singapore Taels tsg Taiwan Taels trc or grams g Press and hold this button to begin the calibration process Calibration For best results calibrate the scale at regular intervals This is especially important if the scale is in use for prolonged periods Pressing and holding t...

Page 4: ...on steps are not followed or the wrong weight was used Specifications JR 300T Capacity x Readability 300 X 0 1g 8 015 X 005thk 7 935 X 005tsg 8 000 X 005trc Linearity 0 1g Weighing units g thk tsg trc Calibration User calibration Stabilization time 3 seconds Overload indication E Underload indication Negative value Auto shut off 4 minutes no activity Optimum operating temperature 64 to 77 F 18 to ...

Page 5: ...io communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Incre...

Page 6: ...ve materials has foreign material penetrating to the inside of the product or as a result of service or modification by other than Ohaus In lieu of a properly returned warranty registration card the warranty period shall begin on the date of shipment to the authorized dealer No other express or implied warranty is given by Ohaus Corporation Ohaus Corporation shall not be liable for any consequenti...

Page 7: ...7 Ohaus Corporation 19A Chapin Road P O Box 2033 Pine Brook NJ 07058 USA MANUAL pmd 9 14 2005 2 51 PM 7 ...

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Page 10: ...10 g MANUAL pmd 9 14 2005 2 51 PM 10 ...

Page 11: ...11 71152433 P N 71152433 A MANUAL pmd 9 14 2005 2 51 PM 11 ...

Page 12: ...12 Ohaus Corporation 19A Chapin Road P O Box 2033 Pine Brook NJ 07058 USA MANUAL pmd 9 14 2005 2 51 PM 12 ...

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Page 15: ...15 g MANUAL pmd 9 14 2005 2 51 PM 15 ...

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Page 17: ...____________ ADDRESS _________________________________________________________________ CITY _________________________________________________________________ STATE _________________________________________________________________ POST CODE ZIP _________________________________________________________________ TELEPHONE NO _________________________________________________________________ MODEL NO __...

Page 18: ...ralia 220 Turner St P O Box 173 Port Melbourne Australia 3207 Fax 61 3 9645 3935 Ohaus China 589 Gui Ping Road Shanghai 200233 P R of China Kent T Xiangun Guo ong Haijian Lu Fax 86 21 64853351 Ohaus Europe Heuwinkelstrasse CH 8606 Nanikon SWITZERLAND Fax 41 1 944 32 30 Ohaus SEA Sdn Bhd Unit 1 02 1st Floor Bangunan Electroscon Lot 8 Jalan Astaka U8 84 Bukit Jelutong 40150 Shah Alam Selangor D E Ma...

Page 19: ...19 MANUAL pmd 9 14 2005 2 51 PM 19 ...

Page 20: ...ration 2005 all rights reserved Printed in China Ohaus Corporation 19A Chapin Road P O Box 2033 Pine Brook NJ 07058 USA Tel 973 377 9000 Fax 973 944 7177 www ohaus com With offices worldwide 71152433 MANUAL pmd 9 14 2005 2 51 PM 20 ...

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