PRESIDIUM Refractive Index Meter II, PRIM II User Handbook Manual
Refractive Index Meter II | PRIM II
USER HANDBOOK
Language Contents
1. English Language pg. 04
2. Chinese Language pg. 19
3. French Language pg. 34
4. German Language pg. 50
5. Italian Language pg. 66
6. Russian Language pg. 82
7. Spanish Language pg. 99
2
I. Disclaimers, Exclusions and
Limitations of Liability pg. 04
II. About this book pg. 05
III. About your Presidium Refractive Index
Meter II pg. 06
IV. IMPORTANT NOTICE pg. 08
1. GETTING STARTED with your Presidium
Refractive Index Meter II pg. 10
2. PERFORMING A TEST with your Presidium
Refractive Index Meter II pg. 14
3. READING TEST RESULTS with your
Presidium Refractive Index Meter II pg. 16
4. TAKING CARE of your Presidium Refractive
Index Meter II pg. 18
Contents
(English Version)
3
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.
Due to continuous product improvement, Presidium
reserves the right to revise all documents including the
right to make changes to the handbook without notice and
without obligation to notify any person of such revisions
or changes. Users are advised to check Presidium’s
website at http://www.presidium.com.sg/ from time to
time.
Presidium shall not be responsible for any damage or
loss resulting from the use of this tester or handbook, and
under no circumstances shall Presidium, its manufacturer
or any of its subsidiaries, licensors, distributors, resellers,
servants and/or agents be liable for any direct or indirect
damages, resulting from the use of this tester.
TO THE MAXIMUM EXTENT PERMITTED BY
APPLICABLE LAW, under no circumstances shall
Presidium, its manufacturer or any of its subsidiaries,
licensors, distributors, resellers, servants and/or agents
be responsible for any special, incidental, consequential
or indirect damages howsoever caused.
The tester or Presidium Refractive Index Meter II
(PRIM II) referred to in this handbook is provided and/or
sold on an “as is” basis. Except as required by applicable
law, no warranties of any kind, either expressed or implied,
including, but not limited to, the implied warranties of
merchantability and tness for a particular purpose.
I. Disclaimers, Exclusions and Limitations of
Liability
4
Thank you for purchasing the Presidium Refractive Index
Meter II (“PRIM II” or “tester”).
This handbook is designed to help you set up your
tester and describes all you need to know about how to
use your tester accurately and take care of it in line with its
requirements. Please read these instructions carefully
and keep them handy for future reference.
This book also contains the terms and conditions in
relation to the use of the tester including the
Disclaimer, Exclusion and Limitation of Liability
clauses stated above in Section I
II. About this book
5
The Presidium Refractive Index Meter II detects the
quantity of light (intensity) reected from the surface of
cut and polished gemstone. This intensity reading is fed
into a microcontroller in which a calculation is performed
and converted to obtain the refractive index reading of the
gemstone
This tester was designed with the following
objectives:
• Reconrming the identity of colored gemstone using
Refractive Index
• Universal SI units
• Provide fairly consistent and reliable test results under
proper use;
The Presidium Refractive Index (R.I.) Meter II features
the following:
• Separates diamond, moissanite and gemstones in
seconds
• Refractive Index reading from 1.000 to ~ 3.000
• No waiting time between tests
• USB power inlet with International Voltage
Compatibility
• Low battery Indicator
• Automatic power off
• Online software updates
III. About your Presidium Refractive Index Meter II
6
Included in your package:
• Presidium Refractive Index Meter II
• Protective Carrying Case
• User Handbook
• Warranty Card
• Refractive Index Reference List
• USB Cable
• CD-ROM
3
2
6
1
4
5
7
1 Display Window
2 Test pad
3 Cylinder
4 Refractive Index chart
5 Flap
6 On/Off button
7 USB Inlet & USB cable
7
• Keep the tester dry. Precipitation and all types of
liquids or moisture can contain minerals that will
corrode electronic circuits. If your tester gets wet,
remove the battery, and allow the tester to dry
completely before replacing it.
• Do not use, store or expose the tester in dusty and
dirty areas. Its moving parts and electronic
components can be damaged.
• Do not use, store or expose the tester in hot areas.
High temperatures can damage or shorten the life of
the tester, damage batteries, and warp or melt certain
plastics.
• Do not use, store or expose the tester in cold areas.
When the tester returns to its normal temperature,
moisture can form inside the tester and damage
electronic circuit boards.
• Do not attempt to open the tester other than as
instructed in this handbook.
• Do not drop, knock, or shake the tester. Rough
handling may break internal circuit boards and ne
mechanics.
• Do not use harsh chemicals, cleaning solvents, or
strong detergents to clean the tester.
• Do not paint the tester. Paint can clog the moving parts
and prevent proper operation.
IV. IMPORTANT NOTICE
8
If the tester is not working properly, kindly contact our
Customer Service at service@presidium.com.sg or
Presidium Instruments Pte Ltd
No. 6 Penjuru Lane
Singapore 609187
Singapore
(65) 6379 5000
Attn: Customer Service Executive
9
Powering up your Presidium Refractive Index Meter II
This tester can be powered either by the use of an AC
power via USB connection (optional item sold separately)
or through the use of batteries. If AC power is used,
connect one end of the USB cable to the tester (Fig. 1.1).
and the other end of adaptor into a suitable electrical
outlet. Please ensure that only the adaptor supplied by
Presidium is used.
If battery is used (1 x 9V battery), take note of the positive
(+) and negative (-) directions of battery when inserting
the battery into the tester (Fig. 1.2). The use of alkaline
batteries is preferred, as it should generally give
approximately two and a half hours of continuous
operation, while the use of ordinary batteries will give a
shorter working life.
1. GETTING STARTED with your Presidium
Refractive Index Meter II
Fig. 1.2
Fig. 1.1
10
Fig. 1.3
Fig. 1.4
Turning on your Presidium Refractive Index Meter II
Remove Recessed Cylinder from the left hand side of
the housing by unlocking the latch (Fig. 1.3). Pull open
the Flap with your thumb and index nger, the Refractive
Index Chart will be visible. Remove the Protective Cover
from the Test Pad.
Press the ON/OFF button to turn on the unit (Fig. 1.4). To
ensure that the unit is functioning properly, cover the test
pad with Recessed Cylinder. The display should show
1.000.
11
Calibration
All testers have been calibrated during the manufacturing
process and no further adjustment or user intervention to
the unit is required.
Self-calibration should not be attempted. To minimize any
risks associated, users should contact Presidium at
service@presidium.com.sg or its service center for
assistance. In the event that users require the
manufacturer to re-calibrate the unit, the users will bear
the associated to/fro freight cost for the shipping of unit to
the service center.
Recommended testing conditions
The gemstone should be clean and dry before testing.
However, elaborate cleaning procedures are not normally
necessary.
The recommended testing temperature is 18°C – 27°C or
65°F- 80°F. Please allow the gemstone to adjust to room
temperature prior to testing. Exposure and/or operation of
the tester outside the room temperature would affect the
results and performance of the tester.
Battery information
Batteries generally can still be used, provided that the
“Low Batt” indicator does not light up.
Stop using the unit when the low battery indicator is
displayed to prevent inaccurate measurements.
Do not leave worn out batteries in the battery
compartment as the batteries may corrode, leak, and
damage the tester. Batteries should be removed when
the tester is expected to be stored for any extended
period of time.
12
Cleaning your gemstone prior to testing
Prepare a clean tissue. Carefully retrieve the gemstone
with tweezers and place the gemstone face down on the
table (Fig. 1.5).
Gently rub the table of gemstone against the
tissue/jewellery cloth and place the gemstone on the
centre of the Test Pad. Do not use ngers to place the
gemstone on test pad as ngerprint will affect the test
results. (Fig. 1.6).
Fig. 1.5
Fig. 1.6
To prevent inaccurate readings, replace with new battery
if the “Low Batt” indicator lights up. A test should not be
performed when the battery power is low or weak.
Batteries do not have to be removed when the AC
adaptor is in use.
13
Remove the cylinder and place a well-cleaned, polished
gemstone at the centre of the pad. Make sure that the
gemstone is well centered to prevent reading error
(Fig. 2.1).
Cover the gemstone with the recessed cylinder (Fig. 2.2).
2. PERFORMING A TEST with your Presidium
Refractive Index Meter II
Fig. 2.1
Fig. 2.2
14
The display window (Fig. 2.3) will show the Refractive
Index of the gemstone.
Due to infra-red light source, it is essentials that the facet
placed over the test pad hole is at least 3mm in diameter.
PC Connectivity via USB cable
Presidium Refractive Index Meter II comes with a CD as
an extension to more functions. This CD is included in the
package. Instruction manual on using the extended
functions is included in the CD.
Fig. 2.3
15
The test results are indicated as follows:
• A Refractive Index Reference List is provided for
easy reference to end-user. This list comprises
common gemstones available in the market. The
gemstones are arranged according to descending
Refractive Index. Please refer to attached table.
• The list includes the range of refractive index of
gemstones with respective tolerance provided in
brackets.
• The tolerance in refractive index is due to the
tolerance from the photo-sensor used.
• Example: The refractive index for sapphire is 1.757
(-0.016) – 1.790. The reading in bracket refers to the
tolerance. In other words, the R.I. reading of sapphire
from the unit ranges from 1.741 – 1.790.
• In case of a borderline reading, clean the stone and
pad again before the next test and/or move stone
slightly off center. By repositioning the stone, a
distorted reection from a scratched area of the
surface may be avoided. Repeat the test.
3. READING TEST RESULTS with your Presidium
Refractive Index Meter II
16
Synthetic Spinel/Synthetic Sapphire and High Zircon/
GGG have overlapping Reectivity Index. If performing
a second test using the Presidium Gem Tester for further
separation, the results indicated will be as follows:
• Synthetic Sapphire: needle goes to a high position in
the red zone.
• Synthetic Spinel: Needle goes about halfway into the
red zone.
• High Zircon: Needle goes 2/3 into the red zone.
• GGG: Needle goes 1/3 into the red zone
17
• Always keep the Test Pad free from dust and replace
the Protective Cover immediately after use.
• Do not use the tester when “Low Batt” indicator
appears. Change to new batteries before performing
any test.
• Do not leave worn out or dead batteries in the battery
compartment as they may corrode, leak or damage
the tester. Batteries should be removed when the
tester is to be stored for an extended period of time.
Your tester is a product of extensive design and
craftsmanship and should be treated with care.
Thank you for taking time to go through the user
handbook which will enable you to understand your
recent purchase better.
Presidium also recommends that you register your warranty
by sending the warranty registration card to us or
registering online at http://www.presidium.com.sg/
4. TAKING CARE of your Presidium Refractive Index
Meter II
18
Presidium Refractive
Index Meter II
(PRIM II) 用户手册
19
I. 关于本手册 pg 21
II. 关于 Presidium Refractive Index
Meter II pg 22
III.重要说明 pg 24
1.开始使用 Presidium Refractive Index
Meter II pg 26
2.在 Presidium Refractive Index Meter II
上执行检测 pg 30
3.在 Presidium Refractive Index Meter II
上读取检测结果 pg 32
4.维护 Presidium Refractive Index
Meter II pg 33
目录
( Chinese Version )
20
感谢您购买 Presidium Refractive Index Meter II（简
称“PRIM II”或“检测仪”）。
本手册旨在帮助您设置检测仪，并且将介绍关于如何正确
地使用检测仪及按照要求对其进行护理的所有知识。 请
仔细阅读这些说明，将其放在方便之处以便将来参考。
I. 关于本手册
21
Presidium Refractive Index Meter II 可检测在经过切
割和打磨的宝石表面反射的光线质量（强度）。 这一强
度读数将输入微控制器，在其中进行计算和换算，以获得
宝石的折射率读数。
此检测仪的设计达到了以下目标：
• 利用折射率分辨有色宝石；
• 采用通用的国际度量单位
• 如正确使用，可得到相当一致且可靠的检测结果；
Presidium Refractive Index (R.I.) Meter II 具有以
下特性：
• 几秒钟内区分钻石、莫桑石和其他宝石
• 折射率读数范围为 1.000 至 3.000 左右
• 可连续检测，无须等待
• 有 USB 供电插口，兼容国际电压标准
• 低电量指示灯
• 可自动关闭电源
• 在线更新软件
包装物品：
• Presidium Refractive Index Meter II
• 保护性便携袋
• 用户手册
• 质保卡
• 折射率参照表
• USB 线
• CD-ROM
II. 关于 Presidium Refractive Index Meter II
22
3
2
6
1
4
5
7
1
显示窗
2
检测台
3
小桶
4
折射率图表
5
活板
6
打开/关闭 (ON/OFF) 按钮
7
USB 插口和 USB 线
23
• 保持检测仪干燥。 雨水以及任何形式的液体或湿气
均可能含有对电子线路具有腐蚀性的矿物质。 如果
检测仪被打湿，请取出电池，让检测仪彻底晾干，
如仍然故障则需更换设备。
• 切勿在多灰尘和脏乱的环境中使用、存放或暴露
检测仪。这有可能损坏其活动部件或电子元件。
• 切勿在高温环境中使用、存放或暴露检测仪。 高温
有可能损坏或缩短检测仪的寿命、损伤电池以及
使某些塑料部件变形或熔化。
• 切勿在低温环境中使用、存放或暴露检测仪。 当检
测仪回到正常温度时可能在仪器内部形成湿气，
从而对电子线路板造成损害。
• 切勿尝试通过未在本手册中说明的方法来打开检测
仪。
• 切勿跌落、撞击或摇晃检测仪。 粗暴地使用可能导
致内部电路板和精密器械断裂。
• 切勿使用刺激性化学物质、清洁溶剂或强力洗涤
剂来清洗检测仪。
• 切勿给检测仪上漆。 油漆可能会阻塞活动部件，影
响其正常工作。
III. 重要说明
24
如果检测仪无法正常工作，请通过以下方式联系我们的客
户服务部门 - 电子邮件：service@presidium.com.sg
或者寄信至：
Presidium Instruments Pte Ltd
No. 6 Penjuru Lane
Singapore 609187
Singapore
(65) 6379 5000
Attn: Customer Service Executive
25
为 Presidium Refractive Index Meter II 供电
本检测仪既可通过 USB 连接（可单独选购的配件）使用
交流电源供电，也可使用电池供电。 如果使用交流电
源，请将 USB 线的一端连接检测仪，适配器的另一端直
接插入配套的电源插座中（图 1.1）。 请确保仅使用由
Presidium 提供的适配器。
如果使用电池（1 节 9V 电池），则在将电池放入检测仪
时应注意电池的正极 (+) 和负极 (-) 的方向（图 1.2）
。 推荐使用碱性电池，因为它一般可以保证约 2.5 个小
时的持续工作时间，使用普通电池的话其工作时间较短。
1. 开始使用 Presidium Refractive Index Meter II
图 1.2
图 1.1
26
图 1.3
图 1.4
打开 Presidium Refractive Index Meter II
拨开栓扣，将埋藏式小桶从机壳左侧取出（图 1.3）。
用拇指和食指拉开活板，将可看到折射率图表。 从测试
台上取下保护盖。
按下打开/关闭 (ON/OFF) 按钮打开检测仪（图 1.4）。
要确认设备是否工作正常，请用埋藏式小桶罩住检测台。
显示屏应该显示 1.000
27
校准
所有检测仪在制造过程中都经过校准，不需要对检测仪作
进一步调整或用户干预。
使用者不应该尝试自行校准。 为了尽量降低一切有关风
险，用户应该通过 service@presidium.com.sg 或服务中
心联系 Presidium 以寻求帮助。 如果用户需要制造商重
新校准检测仪，则用户应承担检测仪运至服务中心和返回
的相关运费。
推荐的检测条件
宝石接受检测前应清洁干燥。 但是通常不必执行复杂的
清洁程序。
建议的检测温度为 18°C – 27°C（65°F - 80°F）。
在检测前请让宝石调整至室温。 在室温范围外暴露和/或
操作检测仪都会影响检测结果和检测仪的性能。
电池信息
通常只要“低电量”指示灯不亮，电池就可继续使用。
切勿将用完的电池留在电池匣内，因为电池电解液可能出
现泄露，从而腐蚀和损坏检测仪。 如果预计要将检测仪
存放较长时间，应取出电池。
为防止读数不准确，如果“低电量”指示灯亮起，就应更
换新电池。 当电池的电量低或微弱时，不应执行检测
28
在检测前清洁宝石
准备一张干净的绵纸。用镊子小心地夹起宝石，将它的切
平面朝下放在纸上 （图 1.5）。
将宝石切平面抵住绵纸/首饰布轻轻擦拭（图 1.6）。
图 1.6
图 1.5
29
取下小桶，将经过适当清洁、擦亮的宝石放在检测台中央
（图 2.1）。
用埋藏式小桶罩住宝石（图 2.2），按住“Display”
（显示）按钮进行检测。 检测结果将显示在 LCD 显示
屏上
2. 在 Presidium Refractive Index Meter II 上执行
检测
图 2.1
图 2.2
30
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