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Diamond GD50

Enjoy simplicity with all excellent performances

Key features




The GDH-FAD test strips can eliminate interference from oxygen variation and non-glucose sugar such as maltose and galactose, providing you with the most reliable and accurate results.

Superior Sip-in Technology

Blood application made easier and faster with a light touch. Supported by our Superior Sip-in (SSI) technology, it allows blood to be easily drawn out onto the absorbent area of the strip even when moving. This reduces the chances of strip wastage and boosts accurate glucose detection.


New lancing comfort – smart and simple!

FORA’s lancing comfort device provides a more positive testing experience by minimizing the needle vibration as it penetrates through the skin.


How to Use

Step 1.  Sit back and relax

  • The Diamond GD50 is designed to make glucose testing easier and simpler. No strip coding is required.

Step 2.  Perform a control solution test

  • Insert the test strip to turn on the meter and push the button to mark this test as a control solution test displayed as “QC”. Apply the control solution and compare results with the range printed on the test strip vial. The results displayed on the screen should fall within the range.

Step 3.  Perform a blood glucose test

Voice Guide: Thank you for using this product. Please relax during measurement.Please apply blood to the strip.The blood glucose is xxx milligram per deci-liter.

  • Insert the test strip to turn on the meter. Wait for the meter to display the test strip    and blood drop    symbols. Mark your readings as pre meal or post-meal measurements.
  • Turn the dial and select a puncture depth. Hold the lancing device tip firmly against the selected puncture site. Push the release button to obtain a drop of blood.
  • Gently apply blood to the absorbent hole on the test strip. Blood will be drawn in by capillary action and the confirmation window will be completely filled.
  • After the meter counts down to 0, the test results with the date and time will be displayed and automatically saved in the memory.
  • Push the ejector to eject the test strip and dispose of it by following local regulations.

Step 4.  Result interpretation

A symbolic message will be displayed with the test results. It is intended for your reference only. Please consult your doctor for your blood glucose target range.

Should you have any concerns about your blood glucose levels, please consult your doctor immediately.

Step 5.  Data transmission

Test results can be uploaded via Bluetooth connectivity to devices with iOS/Android as the operating system or via a micro USB connection to a personal computer.

  • Connect the meter to your computer or TeleHealth gateway with the USB cable. “USB” will be displayed on the screen. New test results will be detected and transmitted automatically.


Model No. Diamond GD50
Blood Testing .Sample Size: 0.5 μL
.Measuring time: within 5 seconds
.Alternative Site Testing: Capillary and Venous
Test Strips .Enzyme: GDH-FAD
.No Strip Coding
Memory Capacity .A memory capacity of 450 test results with the date and time
.AC/PC in memory
.7/14/21/28/60/90-day averages
Universal Tone .YES
Functions .4 sets of daily alarms
.Ketone warning YES≥240 mg/dL (13.3 mmol/L)
.Strip indication light
.Strip ejection
Data Transmission .RS-232
Display .Large convex lens
Portability .YES
Power Source .One 1.5V AAA alkaline battery
Dimensions and Weight .104.4mm(L) × 58.0mm(W) × 23.0mm(H)
.71.2g (Without battery)
Measuring Conditions .Storage Condition :-20°C to 60°C below 95% Relative Humidity
.Operating Condition 10°C to 40°C below 85% Relative Humidity (non- condensing)
.Result Range :20-600mg/dL (0.5-33.3mmol/L)
.Hematocrit Range :20-60%



Checking Blood Sugar Levels

How large should the sample size be when checking blood sugar levels?

A small dosage of 0.5 micro liters would be sufficient.

How long would it take for the device to check the blood sugar levels?

Less than 5 seconds!

Can the Diamond glucose meters be used to perform alternative site tests?

Yes, you can also take blood samples from the palm, forearm, upper arm, thigh or calf. *Always check with your doctor before performing alternative site tests.

When should I perform AST?

Food, medication, illness, stress and exercise can affect blood glucose levels. Capillary blood at the fingertips reflects these changes faster than capillary blood from other sites. Thus, when testing blood glucose levels during or immediately after a meal, physical exercise, or any other situation, take a blood sample from your finger only.

We strongly recommend that you perform AST ONLY during the following times:

  • Pre-meal or fasting state (more than 2 hours after the last meal).
  • Two hours or more after taking insulin.
  • Two hours or more after exercise.

Do NOT perform AST if:

  • You think your blood glucose is low.
  • You are unaware of hypoglycemia
  • You are testing for hyperglycemia
  • Your AST results do not match the way you feel.
  • Your routine glucose results often fluctuate.

Does it provide Ketone warning?

Yes, when the reading is ≥ 240 mg/dL (13.3 mmol/L), a Ketone warning sign will appear on the glucose meter.

Test Strips and Coding

Does it need coding?

No, users are not required to code the meter. This is a step you can now avoid as the meter will automatically detect the test strip used.

Do the Diamond series glucose meters use the same test strips?

Yes, all glucose meters in the Diamond series share the same test strips which is convenient for the user.

Meter Care and Battery

What is the memory capacity? And how can it be retrieved?

The meter stores the 450 most recent blood glucose test results along with respective dates and times in its memory. The meter memory is activated when the meter is switched off.

Reviewing Test Results

  1. Push “Main button”
      will appear on the display. Push “Main button” again and the first reading you see is the last blood glucose result along with the date, time and the measurement mode.

  2. Push “Main button” to recall the test results stored in the meter.

  3. Exit the meter memory.
    After the last test results, push  “Main button’ again and the meter will turn off.

Reviewing Blood Glucose Day Average Results

  1. Push and hold “Main button”
    When     appears on the display, keep holding Main button for 3 seconds until the flashing     appears. Release Main button and then your 7-day average result measured in a general mode will appear on the display.

  2. Push “Main button” to review 14-, 21-, 28-, 60- and 90- day average results stored in each measuring mode in the order of Gen, AC and then PC.
  3. Exit the meter memory.
    Keep pushing “Main button” and the meter will turn off after displaying the last test result.

.Any time you wish to exit the memory, keep pushing “Main button” for 5 seconds or leave it alone for 3 minutes. The meter will switch off automatically.
.Control solution results are NOT included in the day averages.
.When using the meter for the first time, “---“ is displayed when the test results are recalled or the average result reviewed. This indicates that there is no test result in the memory.

Is the time and date or memory lost when the battery is removed?

Replacing the batteries does not affect the test results stored in the memory.

How many reminder alarms are built in the Diamond series meters?

There are 4 reminder alarms

What kind of battery does it use?

The meter uses one 1.5V AAA alkaline battery which can be found in many stores.

Special Features

How to turn the test reminder on/off?

The meter displays “On” or “OFF” and     . To set the first reminder, push  “Main button” to select “On”, then push SET to set the hour. When the hour is flashing, push “Main button” to add the hours. Push SET to confirm and then push “Main button” to add the minutes. Hold “Main button” to accelerate the hours and minutes. Push SET to confirm and go to the next alarm setting.

If you do not want to set an alarm, push SET to skip this step. If you want to turn off an alarm, find the alarm number by pushing SET in the setting mode, push “Main button” to change from “ON’ to “OFF”.

When your alarm goes off, the meter will beep and automatically turn on. You can push “Main button” to silence the alarm and insert a test strip to begin testing. If you do not push “Main button”, the meter will beep for 2 minutes then automatically switch off. If you do not wish to do the test at this time, push “Main button” to switch the meter off.

Can I download the results on the data management system? How?

  • Data Transmission Via Cable
    You can use the meter with a USB cable and the Health Care Software System to view test results on your personal computer. To learn more about the Health Care Software System or to obtain a USB cable separately, please contact your local customer service or the place of purchase for assistance.
  • Data transmission
    To transmit data, follow the instructions provided with the software. Results will be transmitted with the date and time. Remove the cable and the meter will automatically switch off.

WARNING: The meter will not be able to perform a blood glucose test while it is connected to the PC.

General Questions

Where can I get replacement lancets and test strips?

Replacement lancets and test strips are distributed through major distributors to your nearest stores and pharmacies, Please contact your local customer service or the place of purchase for assistance.



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